Key mover

• US 6,014,092 A
• Filed: 12/11/1992
• Issued: 01/11/2000
• Est. Priority Date: 10/14/1987
• Status: Expired due to Term

• Current Assignee: Universal Electronics, Inc.
• Original Assignee: Universal Electronics, Inc.
• Inventors: Darbee, Paul V., DuPerault, Don G., Nguyen, Kimthoa T., Luo, Qiuju
• Primary Examiner(s): Zimmerman, Brian
• Assistant Examiner(s): Edwards, Jr., Timothy
• Application Number:
  US07/990,854
• Time in Patent Office: 2,587 Days
• Field of Search: 341/23, 341/22, 341/176, 364/709.12, 364/709.14, 364/709.15, 364/709.16, 235/430, 235/431, 340/825.69, 340/825.72, 340/825.24, 340/825.25
• US Class Current: 341/23
• CPC Class Codes: G08C 19/28 using pulse code
• CPC Class Codes: G08C 2201/20 Binding and programming of remote control devices
• CPC Class Codes: G08C 2201/21 Programming remote control devices via third means
• CPC Class Codes: G08C 2201/33 Remote control using macros, scripts
• CPC Class Codes: G08C 2201/92 Universal remote control
• CPC Class Codes: G08C 23/04 using light waves, e.g. infrared
• CPC Class Codes: H01H 2009/189 with a tactile symbol or indication, e.g. for blind people
• CPC Class Codes: H01H 2221/056 Modular conception
• CPC Class Codes: H01H 9/0235 specially adapted for remote control, e.g. of audio or video apparatus
• CPC Class Codes: H03J 1/0025 in a remote control unit remote control tuning in general H03J9/00
• CPC Class Codes: H03J 2200/24 Remote control device with display showing program content
• CPC Class Codes: H03J 9/06 using electromagnetic waves other than radio waves, e.g. light
• CPC Class Codes: H04B 1/202 by remote control
• CPC Class Codes: H04B 10/114 Indoor or close-range type systems
• CPC Class Codes: H04B 10/116 Visible light communication
• CPC Class Codes: H04N 21/41265 having a remote control device for bidirectional communication between the remote control device and client device unidirectional remote control device H04N21/42204
• CPC Class Codes: H04N 5/44 Receiver circuitry for the reception of television signals according to analogue transmission standards H04N5/14 takes precedence

Abstract

The remote control device comprises: A microprocessor including a CPU and a memory; a keypad including a set of keys coupled to the microprocessor; lamp driver circuitry coupled to the microprocessor; circuitry for generating IR signals coupled to the IR lamp driver circuitry; code data for executing command functions for a plurality of devices of different manufacturers stored in the memory; a Key Reassignment table in the memory containing key identity, device ID, mode data and command function data; and a program stored in the memory for reassigning a different function for the same or different device to a key on the keypad upon the inputting of a predetermined keystroke sequence on the keypad.

Claims

1. A remote control device comprising:

a microprocessor including a CPU and memory means;

a keypad including a set of keys including device keys, mode keys and alpha numeric keys coupled to said microprocessor;

lamp driver circuitry coupled to said microprocessor;

means for generating IR signals coupled to said IR lamp driver circuitry;

instructions and data in binary form stored in said memory means for enabling command functions for controlling a plurality of devices manufactured by different manufacturers to be retrieved and supplied to said means for generating IR signals;

a Key Reassignment table in said memory means containing key identity mode data, device data format, and function data; and

program instructions in binary form stored in said memory means for enabling one to assign a different command function to a key on the keypad upon the inputting of a predetermined keystroke sequence on said keypad, wherein said predetermined keystrokes are a combination of letter keystrokes and number keystrokes.

2. The remote control device of claim 1 wherein the predetermined keystrokes are three letter keystrokes followed by three number keystrokes.

3. The remote control device of claim 2 wherein the keystrokes for the letter keystrokes are A-B-C and the keystrokes for the number keystrokes are 9-9-9.

4. A method for reassigning a function to a key on a keypad in a remote control device including:

a microprocessor comprising a CPU and memory means;

a keypad including a set of keys coupled to the CPU;

lamp driver circuitry coupled to the microprocessor;

means for generating IR signals coupled to the IR lamp driver circuitry;

instructions and data in binary form stored in said memory means for enabling command functions for controlling a plurality of devices manufactured by different manufacturers to be retrieved and supplied to said means for generating IR signals; and

,

a Key Reassignment Table in said memory means containing key identity and mode, device data format, and command function data,

said method comprising the steps of;

entering a predetermined keystroke sequence on the keypad;

sensing with the microprocessor the keys struck to determine with the microprocessor if the predetermined keystroke sequence is a command to perform special function processing to reassign to a key a function of a device to be controlled, a new mode;

determining with the microprocessor if a function key has been depressed;

storing the key identity and current mode into a "FROM" entry in the Key Reassignment Table;

determining with the microprocessor if the next key depressed is a mode key;

setting, with the microprocessor and program instructions for enabling one to assign a different command function to a key, the new mode;

determining with the microprocessor if a function sequence of keystrokes has been entered on the keypad for a valid function for the device and mode selected;

obtaining with the program instructions device data format and command function data corresponding to the function and mode selected from the Key Reassignment Table; and

,

storing the data obtained in a "TO" entry in the Key Reassignment Table.

5. The method of claim 4 wherein said keystrokes for initiating the special function of reassignment include alpha numeric keystrokes.

6. The method of claim 5 wherein the alpha numeric keystrokes are A-B-C and 9-9-9.

7. A remote control device comprising:

a microprocessor including a CPU and memory means;

a keypad including a set of keys coupled to said microprocessor;

lamp driver circuitry coupled to said microprocessor;

means for generating IR signals coupled to said IR lamp driver circuitry;

instructions and data in binary form stored in said memory means for enabling command functions for controlling a plurality of devices manufactured by different manufacturers to be retrieved and supplied to said means for generating IR signals;

a Key Reassignment Table in said memory means containing key identity and mode, device data format, and command function data;

program instructions in binary form stored in said memory means for enabling one to assign a different command function to a key on the keypad upon the inputting of a predetermined keystroke sequence on said keypad;

said microprocessor and program instructions including;

means for sensing when a predetermined keystroke sequence has been entered on the keypad;

means for determining if the predetermined key stroke sequence is a command to perform special function processing to reassign to a key a function for a device;

means for determining if a function key has been depressed;

means for storing the key identity and current mode into a "FROM" entry in the Key Reassignment Table;

means for determining if the next key depressed is a mode key;

means for setting the new mode;

means for determining if a function sequence of keystrokes has been entered on the keypad for a valid function for the device and mode selected;

means for obtaining device data format and command function data corresponding to the function and mode selected; and

means for storing the data in a "TO" entry in the Key Reassignment Table.

8. A remote control device for controlling first and second devices responsive to IR signals, the remote control device comprising:

means for generating IR signals;

a keypad having

first and second device keys operatively connected to select a first device mode and a second device mode, respectively, and

a plurality of predetermined function keys operatively connected to the means for generating IR signals such that operation of the predetermined function keys performs respective functions on the first device when the first device mode is selected and such that operation of the predetermined function keys performs respective functions on the second device when the second device mode is selected; and

means for reassigning the predetermined function keys across the device modes such that operation of at least one of the predetermined function keys performs the respective function on the second device when the first device mode is selected.

9. The remote control device of claim 8, wherein:

the first device mode is selected from the group consisting of TV, VCR, AUX, STEREO and CABLE;

the second device mode is selected from the group consisting of TV, VCR, AUX, STEREO and CABLE; and

the plurality of predetermined function keys includes a volume key and a mute key.

10. The remote control device of claim 9, wherein the plurality of predetermined function keys further includes a power key and a channel key.

11. The remote control device of claim 9, wherein the first device mode is the TV mode, the second device mode is the stereo mode, and the predetermined function keys reassigned to the TV from the stereo include the volume key such that operation of the volume key while in TV device mode affects the stereo.

12. The remote control device of claim 9, wherein the first device mode is the cable mode, the second device mode is the TV mode, and the predetermined function keys reassigned to the TV from the cable includes the volume key such that operation of the volume key while in cable device mode affects the TV.

13. The remote control device of claim 9, wherein the plurality of predetermined function keys further includes a play key and a stop key.

14. The remote control device of claim 13, wherein the first device mode is the TV mode, the second device mode is the VCR mode, and the predetermined function keys reassigned to the TV mode from the VCR mode include the play key and the stop key.

15. A remote control device for controlling first and second devices responsive to IR signals, wherein each device is adapted to perform a corresponding set of available functions and is not adapted to perform a corresponding set of unavailable functions, and wherein the remote control device comprises:

means for generating IR signals;

a keypad having

first and second device keys operatively connected to select a first device mode and a second device mode, respectively, and

a plurality of predetermined function keys operatively connected to the means for generating IR signals such that operation of predetermined function keys performs respective functions on the first device when the first device mode is selected and the first device corresponding set of available functions includes the respective function and such that operation of another of the predetermined function keys performs respective functions on the second device when the second device mode is selected and the second device corresponding set of available functions includes the respective function, wherein

the plurality of predetermined function keys includes a first key corresponding to a first respective function included in the second device corresponding set of unavailable functions and a second key corresponding to a second respective function included in the first and second device corresponding sets of available functions;

means for assigning an available function selected from the second device corresponding set of available functions to the first key such operation of the first key when the second device mode is selected will perform the available function on the second device; and

means for assigning the second respective function across devices such that operation of the second key when the second device mode is selected performs the second respective function on the first device.