Electrical pulse counters – pulse dividers – or shift registers: c – Applications – Control
Patent
1983-02-11
1985-08-13
Heyman, John S.
Electrical pulse counters, pulse dividers, or shift registers: c
Applications
Control
377 42, 377 23, 324178, G01P 364, G06M 302
Patent
active
045354626
ABSTRACT:
An automatic velocity delay circuit utilizes the output signal of a radio equency velocimeter for determining the time a projectile takes to pass a sensor located at the muzzle end of a gun. The circuit uses this time interval pulse and clocking pulses to provide an X-ray trigger pulse at the precise instant that the projectile passes an X-ray head located at a selected position along a parallel path of projectile travel, thus insuring a photographic record of the projectile in the muzzle blast region.
REFERENCES:
patent: 3567951 (1971-03-01), Montgomery et al.
patent: 3914580 (1975-10-01), Watson et al.
patent: 4031373 (1977-06-01), Beckwith
patent: 4228397 (1980-10-01), Schmidt
patent: 4303983 (1981-12-01), Chaborski
patent: 4385227 (1983-05-01), Bridges
Gibson Robert P.
Heyman John S.
Lane Anthony T.
Sachs Michael C.
The United States of America as represented by the Secretary of
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