Registers – Transfer mechanism – Traveling pawl
Patent
1975-07-11
1977-05-24
Malzahn, David H.
Registers
Transfer mechanism
Traveling pawl
235181, G06F 752, G06F 1534
Patent
active
040257720
ABSTRACT:
A system for digital signal processing, including a random access memory (RAM) accessed by counters and used for storing and shifting signals in a convolver, correlator, matched filter or multiplier. An input signal and a reference signal are applied from opposite ends of the device such that the signals scan past each other at a relative velocity with respect to each other for obtaining either the convolution or correlation function of signals. The RAM operates as a shift register delay line and provides time scale inversion of signals when desired.
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patent: 3760172 (1973-09-01), Quate
patent: 3774019 (1973-11-01), Cook
patent: 3777130 (1973-12-01), Croisier et al.
patent: 3831013 (1974-08-01), Alsup et al.
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