Registers – Transfer mechanism – Traveling pawl
Patent
1974-12-05
1976-05-25
Gruber, Felix D.
Registers
Transfer mechanism
Traveling pawl
23515053, 328165, 343 5DP, 356 5, G06F 1534, G01C 308
Patent
active
039596419
ABSTRACT:
Correlation in time of the extremely high frequency pulses which occur in tical rangefinders is accomplished by thresholding received returns at a low thresholding value, steering each received pulse to a plurality of up/down counters such that half of the time a counter is counting up and half of the time the counter is counting down. Dividing the up/down time of the counters in a digital format so as to provide a digital range readout from the up/down counters.
REFERENCES:
patent: 3646588 (1972-02-01), Van Popta
patent: 3678252 (1972-07-01), Payne
patent: 3701954 (1972-10-01), Seminatore et al.
patent: 3737790 (1973-06-01), Brown
patent: 3738749 (1973-06-01), Everest
patent: 3758868 (1973-09-01), Brown
patent: 3781888 (1972-12-01), Bail
patent: 3792245 (1974-02-01), Hocker et al.
Dent Irvin E.
Miller, Jr. Walter E.
Edelberg Nathan
Gibson Robert P.
Gruber Felix D.
Sims Robert C.
The United States of America as represented by the Secretary of
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