CATV Subscription service control device and attenuator therefor

Details CATV Subscription service control device and attenuator therefor CATV Subscription service control device and attenuator therefor

1977-12-22

1980-09-09

Buczinski, S. C.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

333 81R, 333109, 333262, 358 86, H04N 716, H01P 122

Patent

active

042220661

ABSTRACT:
A CATV subscription service control device has a switched buffer to prevent jamming signals from a switched attenuator from propagating throughout the system. The attenuator uses mutual inductance to achieve a high degree of attenuation.

REFERENCES:
patent: 3188384 (1965-06-01), Townsend
patent: 3452299 (1969-06-01), Angel
patent: 3859457 (1975-01-01), Kirk, Jr.
patent: 3898375 (1975-08-01), Hannan et al.
patent: 3921106 (1975-11-01), Williams
patent: 3989887 (1976-11-01), Murphy
patent: 4039954 (1977-08-01), Toonder
CL & B Release for Magnavox MX4000 RSC, Apr. 13, 1976, Conklin, Labs & Bebee Inc., Syracuse, NY 13201.

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