Microcomputer based keyboard command entry concept for VHF commu

Details Microcomputer based keyboard command entry concept for VHF commu Microcomputer based keyboard command entry concept for VHF commu

1984-05-30

1987-03-17

Gruber, Felix D.

Boots, shoes, and leggings

364449, 455 77, 455186, G06F 1550, H04B 126, H04B 138, H04B 700

Patent

active

046512829

ABSTRACT:
Airborne navigation and communication systems are disclosed including a VOR/LOC (VHR Omnirange/Localizer) receiver and a communication transceiver each with separate control and display panels. Each panel includes a ten push-button press keys numbered 0-9, a function controller for operating mode selection and general control, a pair of digital displays (5 digits each) for displaying keyboard channel selection including an active channel and a standby channel and additional data, three function press keys--one for switching a standby channel into the active channel or vice versa or resetting the timer or changing the digital bearing display from "TO" to "FROM", a second key for either recalling a channel or backing up to a digit for correction during data entry, and a third key for storing frequency in memory locations or entering data. The panels are connected to a data processor and the data processor is connected to a plurality of circuits corresponding to the panel functions whereby the panel commands are received by the data processor and the data processor stores the panel's information in electronically alterable ROMs, or controls the operation of the plurality of circuits or both in response to the panel commands and generates return signals for display and output to other instruments.

REFERENCES:
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patent: 4270213 (1981-05-01), Falk et al.
patent: 4317226 (1982-02-01), Belisomi
patent: 4371978 (1983-02-01), Lusko
patent: 4454583 (1984-06-01), Schneiderhan et al.
patent: 4491966 (1985-01-01), Morcerf et al.

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