Rack entry vehicle communication system

Details Rack entry vehicle communication system Rack entry vehicle communication system

1978-12-15

1980-11-25

Britton, Howard W.

Telecommunications

Receiver or analog modulated signal frequency converter

Signal selection based on frequency

180167, 180168, 414909, H04B 900

Patent

active

042362555

ABSTRACT:
Improved apparatus for communicating information between a movable rack entry vehicle and a reference station by means of optical radiation, such as infrared radiation. A universal asynchronous receiver-transmitter is located on both the vehicle and the reference station so that information originating in parallel form can be communicated in serial form.

REFERENCES:
patent: 2941346 (1960-06-01), Perry
patent: 2996137 (1961-08-01), Chu
patent: 3009525 (1972-12-01), Stern
patent: 3095937 (1963-07-01), Vulliet-Durand
patent: 3314189 (1967-04-01), Carroll
patent: 3705387 (1961-11-01), DeLiban
patent: 3817406 (1974-06-01), Sawada
patent: 3824597 (1974-07-01), Berg
patent: 3838412 (1974-09-01), Jones
patent: 3848755 (1974-11-01), Bussienne
patent: 3880299 (1975-04-01), Zollinger
patent: 4095097 (1978-06-01), Reeve
patent: 4150284 (1979-04-01), Trenkler

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