Differential signal decoder

Details Differential signal decoder Differential signal decoder

1982-01-05

1984-08-21

Dobeck, B.

Electricity: motive power systems

Positional servo systems

'sampling' systems including miscellaneous 'sampled data'...

318662, 318602, 318663, G05B 2102

Patent

active

044672535

ABSTRACT:
A decoder decodes and accurately scales so-called "tribit" servo signals after the receipt of only one tribit pattern without the use of A.G.C. by storing the peak values of the position indicating pulses the capacitors in first and second peak-and-hold circuits and thereafter discharging both capacitors with the same time constant, activating a sample-and-hold circuit to hold the value of the output of a difference amplifier at the instant when the output of a summing amplifier falls below a predetermined value.

REFERENCES:
patent: 3098957 (1963-07-01), Thompson et al.
patent: 3675135 (1972-07-01), Weller
patent: 4266168 (1981-05-01), Andersen
patent: 4270077 (1981-05-01), Swartz et al.
patent: 4334179 (1982-06-01), Grimes et al.
patent: 4357566 (1982-11-01), Du Vall
patent: 4371921 (1983-02-01), Cushman

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