Self-contained portable computing unit
AssigneeTexas Instruments Incorporated
InventorsJoseph H. McCain, E. R. Webb, William R. Lueders
Life of this patent
Estimating the term…
Abstract
A data and communication system including a hand-held unit (17) and an infrared communication satellite (10) is used to provide for the interchange of data between a host computer (13), individual personal computers (15), the hand-held computing unit (17) and factory machinery, including process controllers.
Claims32
A self-contained portable handheld computing unit, comprising:
- a processor unit to process data for the self-contained portable handheld computing unit;
- a boot ROM having data to boot the self-contained portable handheld computing unit;
- an input/output ROM to input and output data for the self-contained portable handheld computing unit;
- at least one input/output port to input and output data;
- a communication interface to interface with the self-contained portable handheld computing unit;
- a RAM memory;
- a display to display data for said self-contained portable handheld computing unit;
- a display touch scanner to input data for said self-contained portable handheld computing unit;
- and
- an optical disk interface to interface with stored data for the self-contained portable handheld computing unit,
- wherein the communication interface is an infrared communication interface.
A self-contained portable handheld unit, comprising:
- a processor unit to process data for the self-contained portable handheld computing unit;
- a boot ROM including programming for initialization of the self-contained portable handheld computing unit;
- an input/output ROM to input and output data for a self-contained portable handheld unit;
- at least one input/output port coupled to input/output ROM;
- a communication interface for automatic addressing and communication with the self-contained portable handheld unit from a remote source;
- a RAM memory to store data for said self-contained portable handheld computing unit;
- a display to display data from said self-contained portable handheld unit;
- a display touch scanner to input data to said self-contained portable handheld unit;
- and
- an optical disk interface to store data for said self-contained portable handheld unit,
- wherein the communication interface is an infrared communication interface.
A self-contained portable handheld unit, comprising, a processor unit to process data for self-contained portable handheld computing unit, a boot ROM including programming for initialization of the self-contained portable handheld computing unit, an input/output ROM in input and output data for the self-contained portable handheld computing unit, at least one input/output port coupled to the self-contained portable handheld computing unit, a RAM memory, an infrared communication interface for automatic addressing and communication with the self-contained portable handheld computing unit from a remote source, a display for the self-contained portable handheld computing unit, said display being programmable to display multiple menus, including touch sensitive areas on each of said multiple menus to provide for item selection from the menus, a split screen circuit to provide both simultaneous text and graphic screen on said display, and a display touch scanner to scan said touch sensitive areas.
Dependencies are inferred from the claim text.