Method and apparatus for processing an analog signal

Details Method and apparatus for processing an analog signal Method and apparatus for processing an analog signal

1979-10-18

1982-06-01

Miller, Jr., Stanley D.

Electrical transmission or interconnection systems

Personnel safety or limit control features

Interlock

307494, 307542, 328 28, 328150, H03K 500, H03K 522

Patent

active

043330240

ABSTRACT:
A method and apparatus for processing an analog signal before it is converted into steep-sided pulses wherein a variable D.C. voltage is generated whose variation is representative of the change in values of the negative-going portions of the analog signal. A voltage summing means receives on the one hand the analog signal and on the other hand the variable D.C. voltage to provide steep-sided output pulses in synchronization with the "significant" portions of the analog signal.

REFERENCES:
patent: 3344284 (1967-09-01), Thompson
patent: 3838448 (1974-09-01), Garde et al.
patent: 3909594 (1975-09-01), Allais et al.
patent: 3982434 (1976-09-01), McMartrie
patent: 4012715 (1977-03-01), Essenmacher
patent: 4123674 (1978-10-01), Comiskey et al.

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