H - Electricity – 04 – K
Patent
H - Electricity
04
K
350/20, 325/3
H04K 3/00 (2006.01) H04N 7/16 (2006.01)
Patent
CA 1121863
ABSTRACT OF THE DISCLOSURE 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.
315407
North American Philips Corporation
Van Steinburg C.e.
LandOfFree
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