Modular wireless diagnostic test and information system

• US 5,884,202 A
• Filed: 07/20/1995
• Issued: 03/16/1999
• Est. Priority Date: 07/20/1995
• Status: Expired due to Fees

• Current Assignee: Agilent Technologies, Inc.
• Original Assignee: Hewlett-Packard Company (HP Inc.)
• Inventors: Arjomand, Hossein
• Primary Examiner(s): NGUYEN, TAN QUANG
• Application Number:
  US08/504,935
• Time in Patent Office: 1,335 Days
• Field of Search: 701/29, 701/33, 701/35, 73/117.2, 73/117.3, 73/118.1, 307/10.1, 307/10.2, 340/438, 340/439, 340/825.69, 340/459, 340/825.72, 345/2, 345/173, 364/424.034, 364/424.038, 364/424.04
• US Class Current: 701/29
• CPC Class Codes: G01M 15/05 by combined monitoring of two or more different engine parameters
• CPC Class Codes: G01R 31/006 on road vehicles, e.g. automobiles or trucks testing of ignition installations peculiar to internal combustion engines F02P17/00
• CPC Class Codes: G07C 2205/02 using a vehicle scan tool

Abstract

A computer-based apparatus provides access to complex technical information needed, for example, to maintain and repair complicated equipment, such as a motor vehicle. The apparatus includes a combined user interface and main control module to communicate with at least one remotely operated instrumentation module to control and obtain data by wireless communication. The combined user interface and main control module has an interactive display which enables the user to command the functions of the remotely deployed instrumentation module(s) and enter data through interaction with the display, as well as executes diagnostic application programs and displays information to the user. Alternatively, a separate user interface module and main control module connected by wireless communication can be provided, in which the user interface module not only commands the functions of the instrumentation module(s), but also commands remote execution of diagnostic application programs by the main control module.

Claims

1. An automobile diagnosis apparatus, comprising:

a control mechanism that accepts user input and provides information for use in diagnosis of an automobile engine;

a first instrumentation module detachably connected to a first position of the automobile engine and receiving a first set of data from the automobile engine, including

a first wireless communication mechanism that receives instructions from the control mechanism and that transmits information for use in diagnosis of the automobile engine to the control mechanism; and

a second instrumentation module detachably connected to a second position of the automobile engine and receiving a second set of data from the automobile engine, including;

a second wireless communication mechanism that receives instructions from the control mechanism and that transmits information for use in diagnosis of the automobile engine to the control mechanism;

the control mechanism including a third wireless communication mechanism that enables the control mechanism to communicate directly with each instrumentation module, the control mechanism transmitting instructions in response to the user input to at least one of the instrumentation modules and receiving from the instrumentation module, information in response to the instructions for use in the diagnosis of the automobile engine;

wherein the first set of data and the second set of data differ.

2. The apparatus of claim 1,

the control mechanism including:

a integrated user interface module; and

a control module that obtains from at least one of the instrumentation modules information for use in diagnosis of an automobile.

3. The apparatus of claim 2,

wherein the control module is physically detached from the integrated user interface module.

4. The apparatus of claim 3,

the control module including a wireless communication mechanism to communicate with the integrated user interface module;

and

the integrated user interface module including a wireless communication mechanism to communicate with the control module.

5. The apparatus of claim 3,

wherein the integrated user interface module is a hand-held device.

6. The apparatus of claim 2,

the control mechanism including a mount mechanism that enables the control mechanism to be detachably mounted to the automobile.

7. The apparatus of claim 6,

the mount mechanism including a tilt stand.

8. The apparatus of claim 6,

the mount mechanism including a hanger.

9. The apparatus of claim 2,

wherein the integrated user interface module is a hand-free device.

10. The apparatus of claim 1,

the control mechanism including a control module that obtains, from at least one of the instrumentation modules information for use in diagnosis of the automobile and a voice-activated communication mechanism that enables communication with the control module.

11. The apparatus of claim 2,

wherein the control mechanism is a hand-held device.

12. The apparatus of claim 1, including:

a first connector that detachably connects the first instrumentation module to an engine control module.

13. The apparatus of claim 1, including:

a second connector that detachably connects the second instrumentation module to an electrical component of the automobile engine.

14. The apparatus of claim 1,

wherein the first instrumentation module is a vehicle communication interface instrumentation module.

15. The apparatus of claim 1,

wherein the second instrumentation module is a digital volt-ohm meter instrumentation module.

16. The apparatus of claim 1,

a third instrumentation module, including:

an engine analyzer connected to the automobile;

an interface module connected to the engine analyzer and the control mechanism, the interface module including;

a wireless communication mechanism that enables communication with the control mechanism.

17. The apparatus of claim 1, further comprising:

a network access mechanism that links the control mechanism to a communication link.

18. The apparatus of claim 17,

the network access mechanism including:

a wireless communication mechanism that enables communication between the network access mechanism and the control mechanism; and

a network interface that enables communication between the network access mechanism and the communication link.

19. The apparatus of claim 1, further comprising:

a wireless-to-wired LAN access system that enables wireless communication to the control mechanism and wired communication to a LAN.

20. A computer readable storage medium for use in an automotive diagnosis computer system, comprising:

a first executable module including instructions that enable the computer system to accept user input and to display information;

a second executable module that enables wireless communication to a plurality of instrumentation modules, each instrumentation module coupled to a select position of the automobile engine and for obtaining a distinct set of data from the automobile engine, the second executable module including instructions that transmit directives to at least one of the instrumentation modules and that receives a distinct set of data from the instrumentation module in response to the transmitted directives; and

a third executable module including instructions that generate the directives in response to the user input and which selects at least one instrumentation module to provide information in response to the directives.

21. The apparatus of claim 20,

a repository of technical data for use by the computer system in the diagnosis of an automobile.

22. The apparatus of claim 20,

a plurality of diagnostic routines for use by the computer system in the diagnosis of an automobile.

23. The apparatus of claim 20,

wherein the third executable module is an application program used to perform specified functions for use in the diagnosis of an automobile.

24. A method for automotive diagnosis, the method comprising the steps of:

providing a first wireless communication link to a first instrumentation module detachable coupled to a first position of the automobile engine;

providing a second wireless communication link to a second instrumentation module detachable coupled to a second position of the automobile engine;

retrieving a first set of data from the first instrumentation module; and

obtaining a second set of data from the second instrumentation, the second set of data differing from the first set of data.

25. The method of claim 24,

providing a technical information database;

accessing the technical information database for information in response to the user input; and

displaying the accessed information to the user.

26. The method of claim 24, including the step of:

before the retrieving step, transmitting a first set of instructions to the first instrumentation module to obtain the first set of data.

27. The method of claim 24, including the step of:

before the obtaining step, transmitting a second set of instructions to the second instrumentation module to obtain the second set of data.