Furniture unit for hi=fi components - uses rectangular frame elements whose size varies in multiples of set min. to provide both electrical and mechanical connections
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Deflection system for TV obviating blanking beam - sweeps beam across perfectly horizontally and returns at same speed but displaced by one line
DE2757264A1
Programme selection system for TV or radio receiver - reads bar coded time and station data in broadcasting periodical and stores it in receiver for automatic switching
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Channel change circuit for television receivers - derives control signals from line and audio stages if transmission fails
DE2752373A1
Remote control of combined broadcast and TV receiver - has common keys for station selection and one key for supply unit and sound output stage connection
DE2746491A1
Electronic tape display for cassette recorders - uses photo resistors to allow display of relative amount of tape used
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Alphanumeric station display circuit for AM-FM radio - converts oscillator frequency into bit pattern which is compared with stored patterns for generating visual symbols
DE2741506A1
LED station indicator on radio set - shows radio station with one LED and sharpness of tuning with several LEDs each side of first
DE2740917A1
Coupled switch system for disc record player and tape cassette - has selective switch to allow independent or combined operation of player with tape record drive
DE2738100A1
Opto-electronic stereo control display over separate channels - has LEDs in single line, with different colour in line middle for overdrive signalling
DE2738099A1
Audio-visual language training system - has digital recording representing reproduced spoken text compared with manually entered data
DE2732302A1
TV line deflection circuit with east-west pincushion correction - has impedance switched in and out at line frequency between line transformer tap and junction of deflection coil and correction coil
DE2723952A1
Circuit combining known electronic units - has speech synthesiser which, when receiver is switched on, reveals receiver state through loudspeaker
DE2719618A1
Phase-locked loop decoder with frequency indicating light signals - selectively indicates reception of stereo and traffic radio signals
DE2714608A1
HI=FI set with inbuilt intercommunication system - has auxiliary amplifier and speaker to permit simultaneous operation of systems
DE2711107A1
Hi=Fi stereo equipment with program selectors - has selection switches and separate program selector for radio or tape record playback
DE2710851A1
HIFI SYSTEM WITH ROOM RECORDING DEVICE
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Thyristor deflection circuit for TV receiver - has supply current applied to tapping of commutating choke between sweep and flyback circuits
DE2652514A1
Electronic changeover switch system - is manually or remotely operated with two PIN diodes connected in series, with their junction point connected to changeover switch
DE2651954A1
Radio with built-in citizen band receiver - has pilot tone generator activated by standby switch
