Radio control system with pluggable modules for changing system

Details Radio control system with pluggable modules for changing system Radio control system with pluggable modules for changing system

1975-10-30

1979-12-04

Bookbinder, Marc E.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

325355, 343225, 361392, H04B 700

Patent

active

041774264

ABSTRACT:
A radio control system for controlling model airplanes, model boats and the like. The system includes a multi-channel transmitter and a multi-channel receiver each operative on the same assigned radio control frequency. The system operating frequency is changeable by exchanging both a small pluggable transmitter module and a small pluggable receiver module with a different transmitter and receiver module respectively, the latter modules being operative on an assigned radio control frequency different from that of the former modules. The system provides quick and easy change of the operating frequency thereby permitting simultaneous radio control of many models via many such systems operating on non-interfering radio control frequencies.

REFERENCES:
patent: 2560320 (1951-07-01), Winkler
patent: 2580453 (1952-01-01), Murray et al.
patent: 2798944 (1957-07-01), Lund
patent: 3324396 (1967-06-01), Schneider
patent: 3333200 (1967-07-01), Wolfram
patent: 3667045 (1972-05-01), Combs
patent: 3747108 (1973-07-01), Ringer
patent: 3754187 (1973-08-01), Deming
patent: 3835454 (1974-09-01), Palmieri et al.
patent: 3858116 (1974-12-01), Friedl et al.
patent: 3886453 (1975-05-01), Quintilliani et al.

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