초록 ▼

A television receiver is adapted for use of standardized plug-in descramblers which are coupled to the receiver by a connector. The connector is accessible from the exterior of the housing of the receiver without significant disassembly. The connector has terminals electrically coupled to various ke

A television receiver is adapted for use of standardized plug-in descramblers which are coupled to the receiver by a connector. The connector is accessible from the exterior of the housing of the receiver without significant disassembly. The connector has terminals electrically coupled to various key points in the receiver. Each type of descrambler is adapted for descrambling a particular type of scrambled signal, and for that purpose uses certain of the connector terminals. The plug-in descrambler also selects the operating frequency characteristics of the tuner.

대표청구항 ▼

A television receiver adapted for use with a plurality of tunerless video signal descramblers, comprising: a cabinet for housing components of said receiver; a tuner in said cabinet and having an input for receiving a plurality of modulated television signals, said signals occupying both standard br

A television receiver adapted for use with a plurality of tunerless video signal descramblers, comprising: a cabinet for housing components of said receiver; a tuner in said cabinet and having an input for receiving a plurality of modulated television signals, said signals occupying both standard broadcast channels and cable televsion channels, said tuner being remotely controllable for selecting a predetermined one television signal from among said plurality and for converting said predetermined one television signal to an intermediate frequency signal, said tuner having an output terminal for providing said intermediate frequency signal thereat; an intermediate-frequency signal amplifier in said cabinet for amplifying said intermediate-frequency signal, said amplifier having an input terminal and an output terminal; a connector accessible from the exterior of said cabinet, said connector having first and second terminals; first coupling means for coupling said output terminal of said tuner to said first terminal of said connector; second coupling means for coupling said second terminal of said connector to said input terminal of said amplifier means; and wherein said connector is of a type selected to mate with a similar descrambler connector so that when the connectors are mated said intermediate frequency signal is coupled from said tuner to said amplifier via said connector thereby enabling descrambling of said intermediate frequency signal prior to amplification by said amplifier.