|
US4554581A
|
|
STV Decoder with improved data signal recognition capability
|
|
CA1191943A
|
|
Receiver for a tv sound transmission system
|
|
CA1206592A
|
|
Adapter for rendering a non-addressable catv converter addressable
|
|
CA1208760A
|
|
Vertical interval data blanker
|
|
US4600921A
|
|
Full-field teletext system with dynamic addressability
|
|
US4574277A
|
|
Selective page disable for a video display
|
|
CA1207887A
|
|
Stv decoder with improved data signal recognition capability
|
|
US4449145A
|
|
Intelligent teletext decoder
|
|
US4430012A
|
|
Paper guide for line printer
|
|
US4518997A
|
|
Demodulator having two phase shift networks for wide band television audio
|
|
US4461040A
|
|
Integrated single balanced mixer/oscillator with slot and hybrid coupler
|
|
US4461041A
|
|
Integrated RF receiver/waveguide
|
|
US4456925A
|
|
Television/telephone system with automatic dialing
|
|
US4489347A
|
|
Sine-wave decoding technique
|
|
US4415842A
|
|
Television receiver start-up circuit
|
|
US4422020A
|
|
Vertical image correction for projection TV
|
|
US4431720A
|
|
Imaging screen and coating therefor for rear-projection television
|
|
US4461032A
|
|
CATV Service controller
|
|
US4408269A
|
|
Balanced power supply with polarized capacitors
|
|
US4415348A
|
|
Method of manufacture for projection television system
|
