Detector device

Details Detector device Detector device

1988-09-21

1990-06-26

Jordan, Charles T.

Ammunition and explosives

Igniting devices and systems

Ignition or detonation circuit

356 4, F42C 1302

Patent

active

049362160

ABSTRACT:
Transmitter and receiver devices are included in an active optic proximity fuse for providing increased resistance to aerosols. The transmitter and receiver units operate with optical radiation and include a signal processing unit which reacts to a target located in a sensing region and reflecting optical radiation emitted from the transmitter device to the receiver device. The sensing region displays, most proximal a carrier of the proximity fuse, an inner sensing limit which is located at an inner distance from the carrier. The signal processing unit operates with preparatory signal processing and/or time measurement of reflected signals when the target is located within the sensing region, and emits an activation signal only when the target passes the inner sensing limit.

REFERENCES:
patent: 3034436 (1962-05-01), Arthaber et al.
patent: 3942446 (1976-03-01), Cruzan
patent: 4010689 (1977-03-01), Sochard et al.
patent: 4022132 (1977-05-01), Blomqvist et al.
patent: 4213394 (1980-07-01), Brenner
patent: 4310760 (1982-01-01), Gardner
patent: 4409900 (1983-10-01), Currie
patent: 4627351 (1986-12-01), Thordarson et al.
patent: 4651647 (1988-02-01), Baker

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