Programmable radio frequency communications device capable of programming a similar device

• US 4,843,588 A
• Filed: 09/22/1986
• Issued: 06/27/1989
• Est. Priority Date: 09/17/1982
• Status: Expired due to Term

• Current Assignee: Telefonaktiebolaget LM Ericsson
• Original Assignee: General Electric Company
• Inventors: Flynn, Patrick J.
• Primary Examiner(s): NOT, DEFINED
• Assistant Examiner(s): Ruiz, Adolfo
• Application Number:
  US06/910,353
• Time in Patent Office: 1,009 Days
• Field of Search: 364/900 MS File, 364/200 MS File, 364/409, 455/151, 455/186, 455/4, 340/825.44, 340/825.52, 339/14 MS File
• US Class Current: 455/186.1
• CPC Class Codes: H03J 5/0263 the digital values being held in an auxiliary non erasable memory
• CPC Class Codes: H04W 88/02 Terminal devices

Abstract

A computer controlled radio communications device (e.g. a radio) having functional characteristics such as operating frequencies (i.e. a "personality") determined, at least in part, by characteristic-defining stored digital data and having the ability to automatically transmit/receive such characteristic/defining stored digital data to/from a similar computer-controlled radio communications device so as to provide another device having similar functional characteristics (i.e. a "cloned" device). A special unidirectional data transfer wiring harness is preferably used in conjunction with externally accessible plug connectors on each device to temporarily effect the requisite interconnection between the devices during such a personality "cloning" process.

Claims

1. A first computer-controlled digital radio communications device having functional characteristics determined, at least in part, by characteristic-defining stored digital data and having the ability to automatically transmit/receive said characteristic-defining digital data to and from another computer-controlled digital radio device to provide said first and another digital radio communications devices with digital programming defining substantially identical functional characteristics, and first digital radio communications device comprising:

digital data processor means for performing control functions in response to digital data,

digital data memory means connected to said data processor means for storing said characteristic-defining digital data and for determining, at least in part, said control functions to be performed by said data processor means,

data input, output and control connections between said data processor means and an external multi-conductor connector,

said data processor means being programmed to selectively operate in either of the following special operational modes;

(a) to read and output via said connections said characteristic-defining digital data to said another digital radio communications device, or

(b) to accept and store via said connections said characteristic-defining digital data provided by said another digital radio communications device; and

a unidirectional data transfer wiring harness means for interconnection between said external multi-conductor connector and the external multi-conductor connector of said another digital radio communications device, said wiring harness means for transferring said characteristic-defining stored digital data between said digital data memory means and said another digital radio communications device so as to cause both said first and said another digital radio communications devices to operate substantially identically, said wiring harness means comprising;

a data receiving end connector;

a data transmitting end connector, each of said data transmitting end connector and data receiving end connector capable of being electrically connected to either of said first digital radio communications device and said another digital radio communications device; and

internal electrical conductors connected to said control connections of at least one of said data transmitting end connector and said data receiving end connector, said data processor means including means for electrically distinguishing said data transmitting end connector from said data receiving end connector.

2. A computer-controlled device as in claim 1 wherein said data processor means is of a type which can be interrupted and wherein said data input, output and control connections comprise:

a mode-controlling input connection to an I/O port of said data processor means;

an interrupt connection to an interrupt terminal of said digital data processor means, said processor means including means for selectively interrupting its normal operation and branching to one of said special operational modes depending upon the instantaneous status of said mode-controlling input connection; and

a data output connection to an I/O port of said data processor means.

3. A computer-controlled device as in claim 2 wherein:

said interrupt connection also serves as a data input connection after the data processor means has been interrupted.

4. A computer-controlled device as in claim 3 wherein said data processor means is programmed

(a) to read and output on said data output connection successive bits of said characteristic-defining digital data in response to corresponding successive bit clocking signals received on said data input connection in the first above-mentioned special operational mode, and

(b) to supply successive bit clocking signals on said data output connection and to accept and store from said data input connection successive bits of said characteristic-defining data in the second above-mentioned special operational mode.

5. A pair of interconnected computer controlled devices as in claim 1 wherein said internal electrical conductors connected to said control connections includes a short circuit therebetween at one of said ends.

6. Uni-directional data transfer wiring apparatus for temporarily interconnecting first and second digital radio communications devices each of the type including means for storing digital data and each further including radio frequency transceiving means for transmitting and receiving radio frequency signals in accordance with characteristic-defining digital data stored in the digital data storing means thereof, said wiring apparatus for automatically transferring said characteristic-defining stored digital data from one of said first and second digital radio communications device to the other of said first and second digital radio communications devices so as to provide two digital radio communications devices having substantially identical transmitting and receiving functions, said wiring apparatus comprising:

a cable having a first end and a second end;

a data receiving end connector connected to said cable first end;

a data transmitting end connector connected to said cable second end;

each of said connectors being capable of electrically connecting to either said first or said second device;

internal electrical control connection means associated with at least one of said first and second ends for making said first and second ends electrically distinguishable from one another by each of said first and second devices, said control connection means including input/output connection transposing means for transposing electrical signals output from one of said first and second radio frequency communications devices to the input of the other of said first and second devices and vice versa.

7. Unidirectional data transfer wiring apparatus as in claim 6 further comprising manual switch means for triggering the initiation of a data transfer cycle.

8. A computer controlled radio communication device having at least some operational characteristics determined by stored characteristic-defining digital data and comprising:

radio frequency circuit means for transmitting and/or receiving radio frequency signals on radio frequency channels being determined at least in part by said stored characteristic-defining digital data;

a digital data processing means having input, output, control and ground terminals and connected to said circuit means, for controlling operations of said circuit means in accordance with characteristic-defining digital data stored in a digital data memory means;

said digital data memory means connected to said data processing means for storing characteristic-defining digital data and applying said stored characteristic-defining digital data to said processing means;

a bidirectional data transfer connector means having at least four externally accessible connectors for individually making the following four electrical connections internally of said device;

(a) a ground electrical reference connection electrically connected to said data processing means ground terminal,

(b) a control connection electrically connected to said data processing means control terminal,

(c) a data input connection electrically connected to said data processing means input terminal, and

(d) a data output connection electrically connected to said data processing means output terminal, and

interconnection means connected to said bidirectional data transfer connector means for connecting said device to a further computer controlled radio communication device also having a digital data memory means, radio frequency circuit means, digital data processing means and a bidirectional data transfer connector means and for transferring said stored characteristic-defining digital data between said device and said further device to cause at least some operations of said radio frequency circuit means of said first and further devices to be substantially identically to one another in response to said transferred characteristic-defining digital data;

said data processing means being programmed to selectively, alternately perform the following functions;

(a) read and output said stored characteristic-defining digital data to the memory means of said further similar computer controlled radio communication device interconnected thereto via said interconnection means; and

(b) accept and store said stored characteristic-defining digital data from the memory means of said further device interconnected thereto via said interconnection means.

9. A computer controlled radio communication device as in claim 8 wherein said data processing means includes means for selectively performing the reading and outputting function or the accepting and storing function depending upon whether said control connection is electrically grounded.

10. A computer controlled radio communication device as in claim 8 and 10 wherein said data processing means includes means for selectively performing the reading and outputting function or the accepting and storing function in response to sensing the electrical grounding of said data input connection.

11. A computer controlled radio communication device as in claim 8 or 9 wherein said data processing means includes means for supplying successive bits of said stored digital data at said data output connection in response to receipt of corresponding successive bit clocking signals at said data input connection.

12. A computer controlled radio communication device as in claim 8 or 9 wherein said data processing means includes means for supplying successive bit clocking signals at said data output connection and for accepting and storing corresponding successive bits of digital data presented thereto at said data input connection.

13. A computer controlled radio communication device as in claim 8 or 9 wherein said data processing means includes:

an interrupt terminal,

means for executing an interrupt control subroutine in response to an initial change in electrical status of said interrupt terminal,

means connected to said interrupt terminal for monitoring the electrical status of said interrupt terminal and for utilizing the interrupt terminal electrical status as digital input data after said executing means executes said interrupt control subroutine and plural digital data input/output terminals,

said control connection being connected to one of said input/output terminals;

said data output connection being connected to another of said input/output terminals; and

said data input connection being connected to said interrupt terminal.

14. A computer controlled radio communication device as in claim 13 wherein data processing means includes:

means for transferring program control to a special interrupt program subroutine whenever said data input connection is grounded

means for testing the status (grounded or ungrounded of said control connection;

means connected to said testing means for supplying successive bit clock signals on said data output connection if said testing means reveals said control operation is grounded and for accepting and storing in the memory means corresponding successive bit data signals received on said data input connection; and

means connected to said testing means for reading and supplying from said memory means corresponding successive bit data signals onto said data output connection in response to successive bit clock signals received on said data input connection if said testing means reveals said control connection is ungrounded.

15. A method for automatically transferring characteristic-defining stored digital data including radio frequency control data between similar digital radio communications devices having functional characteristics including radio operating frequencies determined, at least in part, by such characteristic-defining stored digital data so as to provide two devices having similar functional characteristics including radio operating frequency characteristics, said method comprising:

providing in each device data input, output and control connections between a data processor means and an external multi-conductor connector,

programming said data processor means in each device to selectively operate in either of the following special operational modes both of which cause said communications devices to operate on the same preprogrammed radio frequencies;

(a) to read and output via said connections said characteristic-defining digital data to memory means of the other similar device; and

(b) to accept and store via said connections said characteristic-defining digital data from the memory means of the other similar device; and

transmitting and/or receiving radio frequency signals having a frequency controlled in response to said accepted and stored characteristic-defining digital data.

16. A method as in claim 15 wherein the data processor means is of a type which can be interrupted and has an interrupt terminal and wherein said data input, output and control connections each include a mode-controlling input connection to an I/O port of said data processor means, said mode-controlling input connection having an instantaneous status, and further comprising:

selectively interrupting the processor means from its normal operation and causing it to branch to one of said special operational modes depending upon the instantaneous status of said mode-controlling input connection.

17. A method as in claim 15 wherein said data processor means includes:

(a) means for reading and outputting to said data output connection successive bits of said characteristic-defining digital data in response to corresponding successive bit clocking signals received on a data input connection in the first special operational mode, and

(b) means for supplying successive bit clocking signals on said data output connection and for accepting and storing from said data input connection successive bits of said characteristic-defining data in the second special operational mode.

18. A method for automatically transferring characteristic-defining stored digital data between similar computer controlled radio communication devices each including radio frequency circuit means for transmitting and receiving radio frequency signals under control of stored characteristic-defining digital data, a digital data processing means having input, output, control and ground terminals, said processing means for controlling the operation of said radio frequency circuit means, digital data memory means connected to said data processing means for storing said characteristic-defining digital data, and a bidirectional data transfer connector having at least four externally accessible connectors individually making the following four electrical connections internally of said device:

(a) a ground electrical reference connection electrically connected to said data processing means ground terminal, (b) a control connection electrically connected to said data processing means control terminal, (c) a data input connection electrically connected to said data processing means input terminal, and (d) a data output connection electrically connected to said data processing means output terminal,

said method comprising the steps of;

programming said data processing means to selectively, alternately;

(a) read said characteristic-defining digital data from said digital data memory means and output said read characteristic-defining digital data to a further computer controlled radio communication device interconnected thereto via said externally accessible connectors; and

(b) accept said characteristic-defining digital data stored in said further similar, preprogrammed radio communications device interconnected thereto via said externally accessible connectors and store said characteristic-defining digital data into said memory means, so as to cause said device and said further device to store substantially identical characteristic-defining data; and

controlling at least one operating parameter of said radio frequency circuit means in accordance with said stored characteristic-defining digital data.

19. A method as in claim 18 wherein said data processing means includes means for selectively alternately reading and outputting said stored data or accepting and storing said stored data depending upon whether said control connection is electrically grounded.

20. A method as in claim 18 or 19 wherein said data processing means includes means for selectively reading and outputting said stored data or accepting and storing said stored data in response to sensing the electrical grounding of said data input connection.

21. A method as in claim 18 or 19 wherein said data processing means includes means for supplying successive bits of said stored digital data at said data output connection in response to receipt of corresponding successive bit clocking signals at said data input connection.

22. A method as in claim 18 or 19 wherein said data processing means includes means for supplying successive bit clocking signals at said data output connection and for accepting and storing corresponding successive bits of digital data presented thereto at said data input connection.

35. A method as in claim 18 wherein said stored digital data specifies at least one radio frequency channel and said controlling step includes controlling said radio frequency circuit means to operate on said at least one radio frequency channel specified by said stored digital data.

36. A method as in claim 18 wherein said stored digital data specifies an audio modulation tone, and said controlling step includes controlling said radio frequency circuit means to transmit and/or decode said audio modulation tone specified by said stored digital data.

23. A method for communicating digital signals comprising the steps of:

(1) connecting an electrical connector terminating a first end of a uni-directional wiring harness to a mating electrical connector of a first digital signal processor-controlled device,

(2) connecting a further electrical connector terminating a further end of said wiring harness to a mating electrical connector of a second digital signal processor-controlled device, said electrical connector terminating said wiring harness first end being substantially mechanically identical to said further electrical connector terminating said wiring harness further end, said first device making connector being substantially mechanically identical to said second device mating connector, said first device mating connector capable of mating with either of said electrical connector terminating said wiring harness first end or said further electrical connector terminating said wiring harness further end, said second device mating connector capable of mating with either of said electrical connector terminating said wiring harness first end and said further electrical connector terminating said wiring harness further end,

(3) transmitting characteristic-defining digital signals from one of said first and second devices to the other of said first and second devices via said wiring harness,

(4) electrically testing, with said first device, whether the electrical connector connected to first device mating connector has a certain electrical characteristic possessed by only one of said electrical connector terminating said wiring harness first end and said further electrical connector terminating said wiring harness further end,

(5) transmitting characteristic-defining data signals onto said wiring harness with said first device if said testing step (4) reveals said electrical connector connected to said first device mating connector has said certain electrical characteristic, and otherwise receiving characteristic-defining data signals from said wiring harness with said first device;

(6) electrically testing, with said second device, whether the electrical connector connected to second device mating connector has said certain electrical characteristic; and

(7) transmitting characteristic-defining data signals onto said wiring harness with said second device if said testing step (6) reveals said electrical connector connected to said second device mating connector has said certain electrical characteristic, and otherwise receiving characteristic-defining data signals from said wiring harness with said second device.

24. A system for communicating data signals between a first and second digital signal processor-controlled device comprising:

a uni-directional wiring harness having a first end a further end, an electrical connector terminating said first end of said wiring harness, a further electrical connector terminating said further end of said wiring harness, said electrical connector terminating said wiring harness first end being substantially mechanically identical to said further electrical connector terminating said wiring harness further end;

a first digital signal processor-controlled device including a mating electrical connector, said first device mating connector capable of mating with either of said electrical connector terminating said wiring harness first end and said further electrical connector terminating said wiring harness further end;

a second digital signal processor-controlled device including a mating electrical connector, said second device mating connector being substantially mechanically identical to said first device mating connector, said second device mating connector capable of mating with either of said electrical connector terminating said wiring harness first end and said further electrical connector terminating said wiring harness further end;

first testing means electrically connected to said first device mating electrical connector for electrically testing whether an electrical connector connected to first device mating connector has a certain electrical characteristic possessed by only one of said electrical connector terminating said wiring harness first end and said further electrical connector terminating said wiring harness further end;

means electrically connected to said first device mating electrical connector for transmitting characteristic-defining data signals onto said wiring harness from said first device if said first testing means reveals said electrical connector connected to said first device mating connector has said certain electrical characteristic, and for otherwise receiving characteristic-defining data signals from said wiring harness with said first device;

second testing means electrically connected to said second device mating electrical connector for electrically testing whether an electrical connector connected to second device mating connector has said certain electrical characteristic; and

means electrically connected to said second device mating electrical connector for transmitting characteristic-defining data signals onto said wiring harness from said second device if said second testing means reveals said electrical connector connected to said second device mating connector has said certain electrical characteristic, and for otherwise receiving characteristic-defining data signals from said wiring harness with said second device.

25. A digital radio communications device including:

(a) radio frequency circuit means for transmitting and/or receiving radio frequency signals;

(b) first non-volatile memory means for storing characteristic-defining digital signals;

(c) digital signal processing means, connected to said radio frequency circuit means and to said first memory means, for controlling said radio frequency circuit means to operate in a certain manner in response to said characteristic-defining digital signals stored in said first memory means; and

(d) cloning means, adapted for coupling to a further digital radio communications device having a further memory means and a further radio frequency circuit means, for copying characteristic-defining digital signals from;

(i) one of said first memory means and said further digital radio communications device further memory means into (ii) the other of said first memory means and said further digital radio communications device further memory means, said copied characteristic-defining digital signals resulting in both said first radio frequency circuit means and said further digital radio communications device radio frequency circuit means to operate in said certain manner

26. A digital radio communications device as in claim 25 wherein said copying means includes uni-directional wiring harness means for temporarily electrically connecting said first and further memory means together and for communicating said characteristic-defining digital signals in a single direction between said first and said further memory means.

27. A digital radio communications device comprising:

radio frequency circuit means for processing radio frequency signals;

first memory means for storing digital signals defining a characteristic of the operation of said radio frequency circuit means;

digital signal processing means, connected to said first memory means and to said radio frequency circuit means, for controlling said radio frequency circuit means to operate in accordance with said characteristics-defining digital signals stored in said first memory means; and

cloning means, adapted for temporary connection between said device and a further digital radio communications device having a further, preprogrammed memory means, for reading said characteristic-defining digital signals from said further memory means and for storing said read characteristic-defining digital signals into said first memory means to thereby cause certain characteristics of the operation of said device and said further device to become substantially identical.

37. A device as in claim 27 wherein:

said radio frequency circuit means transmits and receives radio signals over radio frequencies preset by said digital signals stored in said first memory means; and

said cloning means causes said device and said further device to operate on substantially identical preset radio frequencies.

28. A digital radio communications device comprising:

radio frequency circuit means for processing radio frequency signals;

first memory means for storing digital signals defining a characteristic of the operation of said radio frequency circuit means;

digital signal processing means, connected to said first memory means and to said radio frequency circuit means, for controlling said radio frequency circuit means to operate in accordance with characteristic-defining digital signals stored in said first memory means; and

cloning means, adapted for temporary connection between said device and a further digital radio communications device having a further memory means, for reading said characteristic-defining digital signals from said first memory means and for storing said characteristic-defining digital signals into said further memory means to thereby make certain characteristics of the operation of said device and said further device substantially identical.

38. A device as in claim 28 wherein:

said radio frequency circuit means transmits and receives radio signals over radio frequencies preset by said digital signals stored in said first memory means; and

said cloning means causes said device and said further device to operate on substantially identical preset radio frequencies.

29. A radio frequency communications system comprising:

(a) a first digital radio communications device including;

first radio frequency circuit means for transmitting radio frequency signals to a second digital radio communications device and for receiving radio frequency signals transmitted by said second digital radio communications device,

first memory means for storing digital signals defining a characteristic of the operation of said first radio frequency circuit means, and

first digital signal processing means, connected to said first memory means and to said first radio frequency circuit means, for controlling said first radio frequency circuit means to operate in accordance with said characteristic-defining digital signals stored in said first memory means;

(b) said second digital radio communications device including;

second radio frequency circuit means for transmitting radio frequency signals to said first communications device and for receiving radio frequency signals transmitted by said first communications device,

second memory means for storing digital signals defining a characteristic of the operation of said second radio frequency circuit means, and

second digital signal processing means, connected to said second memory means and to said second radio frequency circuit means, for controlling said second radio frequency circuit means to operate in accordance with said characteristic-defining digital signals stored in said second memory means; and

(c) cloning means, operatively coupling said first and second radio communication devices together, for controlling said first processing means to read said characteristic-defining digital signals stored in said first memory means, for communicating said read characteristic-defining digital signals to said second communications device, for controlling said second processing means to store said communicated characteristic-defining digital signals into said second memory means, and for thereby preprogramming said second radio frequency circuit means to operate in a substantially identical manner with respect to said characteristic as said first radio frequency circuit means.

30. A system as in claim 29 wherein:

said first digital signal processing means is preprogrammed so as to operate alternately in a first and a second mode, said first processing means reading characteristic-defining digital signals stored in said first memory means and communicating said read signals to said second digital signal processing means when operating in said first mode, said first processing means receiving characteristic-defining digital signals communicated thereto by said second digital signal processing means and storing said communicated characteristic-defining digital signals in said first memory means when operating in said second mode;

said second digital signal processing means is preprogrammed so as to operate alternately in said first and said second mode, said second processing means reading characteristic-defining digital signals stored in said second memory means and communicating said read characteristic-defining digital signals to said first digital signal processing means when operating in said first mode, said second processing means receiving characteristic-defining digital signals communicated thereto by said first digital signal processing means and storing said communicated characteristic-defining digital signals in said second memory means when operating in said second mode; and

said cloning means is connected between said first and second digital signal processing means, controls said first and second processing means to operate in different modes, and communicates said characteristic-defining digital signals between said first and second processing means.

31. A system as in claim 29 wherein:

said cloning means includes a cable having first and second ends, said first end terminating in a connector adapted for connection to either of said first and second processing means, said second end terminating in a further connector adapted for connection to either of said first and second processing means, said cable communicating characteristic-defining digital signals between said first and second processing means;

said first digital signal processing means in preprogrammed so as to operate in said first mode whenever said cable first end is connected thereto and to operate in said second mode whenever said cable second end is connected thereto; and

said second digital signal processing means is preprogrammed so as to operate in said first mode whenever said cable first end is connected thereto and to operate in said second mode whenever said cable second end is connected thereto.

32. A system as n claim 31 wherein:

said cable first and second ends are mechanically identically and electrically different; and

said first processing means is preprogrammed to test whether said cable first end is connected to said first processing means, and to test whether said cable second end is connected to said first processing means; and

said second processing means is also preprogrammed to test whether said cable first end is connected to said second processing means, and to test whether said cable second end is connected to said second processing means.

39. A system as in claim 29 wherein:

said first and second radio frequency circuit means transmit and receive radio frequency signals on radio frequencies preset by said digital signals stored in said first and second memory means, respectively; and

said cloning means is also for causing said first and second devices to operate on substantially identical preset radio frequencies.

33. A method of programming digital radio communications device having radio frequency circuit means for transmitting and/or receiving radio frequency signals, digital signal processing means connected to said circuit means for controlling the operation of said circuit means in accordance with digital control signals applied thereto, and non-volatile memory means connected to said processing means for storing said digital control signals and for applying said stored digital control signals to said processing means, said method comprising the steps of:

(a) providing a first communications device having digital control signals stored in the non-volatile memory means thereof;

(b) temporarily establishing a digital data communications path between said first communications device memory means and a further memory means of a further communications device;

(c) reading said digital control signals stored in said first device memory means;

(d) communicating said read digital control signals to said further communications device via said temporary communications path;

(e) storing said communicated digital control signals in said further memory means so as to cause said first and further memory means to store substantially identical digital control signals;

(f) after said storing step (e), eliminating said digital data communications path established by said establishing step (b); and

(g) operating both said first and said further communications devices in a substantially identical manner in response to said digital control signals now commonly stored in both said first and further memory means.

34. A method as in claim 33 wherein:

said first and second device memory means each include storage locations preassigned to store said digital control signals;

said storing step (a) stores said digital control signals in the preassigned storage locations of said first device memory means; and

said storing step (e) stores said communicated control signals into storage locations of said second device memory means which correspond to said first device memory means preassigned storage locations.

40. A system as in claim 33 wherein said operating step (g) includes controlling said radio frequency circuit means of said first and further devices to operate on the same preset radio frequency channels in response to said digital control signals commonly stored in both said first and second memory means.