Hand-held wireless computer controller system

Details Hand-held wireless computer controller system Hand-held wireless computer controller system

1985-10-30

1988-10-04

Zache, Raulfe B.

Boots, shoes, and leggings

G06F 100

Patent

active

047759283

ABSTRACT:
A hand-held, battery powered, wireless control station transmits alphanumeric characters and control functions to a receiver interfaced with a host computer. The control station includes a microcomputer which converts keyboard signals into a secured character code and transmits the secured character code to a computer interface transceiver using a frequency shift key modulation technique. The keyboard is a multiple function keyboard having plural shift keys allowing several character codes for each key. The computer interface transceiver only recognizes or accepts secured character codes. For the character codes accepted the computer interface transceiver forwards the character to the host computer via an RS 232 interface link. The computer interface transceiver also transmits the secured character code back to the hand-held control station which then displays the characters on a display confirming for the operator receipt of the character by the computer end transceiver. In addition, messages which originate in the computer can be transmitted to the hand-held control station and displayed on the display therein in a secure manner.

REFERENCES:
patent: 4005388 (1977-01-01), Morley et al.
patent: 4007443 (1977-02-01), Bromberg et al.
patent: 4247908 (1981-01-01), Lockhart, Jr. et al.
patent: 4354252 (1982-10-01), Lamb et al.
patent: 4381552 (1983-04-01), Nocilini et al.
patent: 4601011 (1986-07-01), Grynberg
patent: 4617554 (1986-10-01), Krause et al.
patent: 4650928 (1987-03-01), Numata
"Mobile Radio Data Link", VR1130 brochure by Vectran Corporation, pp. 1-3.
"Low Cost Programmable Intelligent Terminal for Data Collection and Field Computing" for 42C brochure by G.R. Electronics, pp. 1-2.
"VR-10 Radio Control", brochure by Vectran Corporation, pp. 1-6.
"Pocket Terminal Type PT8 and PT12", brochure by G.R. Electronics, pp. 1-6.

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