Closed loop tunnel diode receiver for operation with a base band

Details Closed loop tunnel diode receiver for operation with a base band Closed loop tunnel diode receiver for operation with a base band

1974-04-08

1976-01-20

Libman, George H.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

325 16, 325312, 325322, 325325, 343 73, G01S 912, H04B 138

Patent

active

039342522

ABSTRACT:
A vehicle safety apparatus includes a base band pulse transmitter-receiver system for the detection of an impending collision immediately prior to the contact of the vehicle with another object for the actuation of restraining or other safety devices to protect the occupants of the vehicle when the crash event actually occurs. A semiconductor base band transmitter and receiver system is synchronously operated by a master clock, providing precise operation of the receiver gain control, sensitivity time control, and other receiver functions, in a low-cost, rugged, long-lived object detection system.

REFERENCES:
patent: 2677758 (1954-05-01), Robinson et al.
patent: 2981942 (1961-04-01), Gross
patent: 3662316 (1972-05-01), Robbins
patent: 3794996 (1974-02-01), Robbins et al.

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