Registers – Transfer mechanism – Traveling pawl
Patent
1976-06-24
1977-09-20
Ruggiero, Joseph F.
Registers
Transfer mechanism
Traveling pawl
307271, 343 5DP, 343 171PF, G01S 730, G06F 1520
Patent
active
040499537
ABSTRACT:
A complex pulse repetition frequency generator for producing a pulse repeion frequency (PRF) signal having programmable stagger intervals. The device consists of a clock for selecting one of a series of standard clock pulses which are used to increment a counter. A comparator compares the accumlated clock pulses with a stagger data output signal produced by a data memory source. When the outputs are equal, the comparator produces a PRF output pulse. Two data memory bands are provided; a random access memory in which stagger data can be programmed by a series of switches, and a preprogrammed read-only memory. Address counters are used with each memory unit and provide capability for addressing selected memory locations from the data memory sources. A pulse width generator allows the operator to vary the pulse width and utilizes an injection lock oscillator to prevent jitter whenever a standard clock pulse is used which is not an even multiple of a hundred nanoseconds.
REFERENCES:
patent: 3054958 (1962-09-01), Bensky et al.
patent: 3588898 (1971-06-01), Watters, Jr. et al.
patent: 3662386 (1972-05-01), Bryant
patent: 3702476 (1972-11-01), Nathanson et al.
patent: 3855593 (1974-12-01), Van Hijfte et al.
Cochran II William W.
Ruggiero Joseph F.
Sciascia Richard S.
St.Amand Joseph M.
The United States of America as represented by the Secretary of
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