| Patent Number |
Title Of Patent |
Date Issued |
| 4833728 |
Automatic station searcher |
May 23, 1989 |
| An automatic station searching device for a radio receiver in which the order in which the station data is stored in a memory device can be altered so that the user can easily selected between storage in the order of signal strength or storage in the order of frequency. Frequency and |
| 4800434 |
Power source for electronic tuning tuner |
January 24, 1989 |
| A power source for an electronically tuned tuner in which a horizontal deflection circuit supplies high voltage power to a fly-back transformer, supplying power to the tuner, when a television signal is received but otherwise a battery source is switched into supplying the tuner. The |
| 4761814 |
Variable bandwidth multivoice demodulating circuit |
August 2, 1988 |
| A multivoice demodulator circuit in which a sub-signal is separated from the main signal. The sub-signal may have different content and characteristic dependent upon the reception mode of the original signal. The sub-signal is given different frequency characteristics dependent upon |
| 4737991 |
Audio multiplex television tuner |
April 12, 1988 |
| In a sound multiplex television tuner, when the input field strength becomes smaller than a certain value, a level control means continuously attenuates the sub signal demodulation output with the aid of the field strength detection signal which a field strength detector circuit provides |
| 4703501 |
Sound multiplex receiver |
October 27, 1987 |
| A multiplex sound receiver in which a detection signal is extracted from a broadcast to indicate whether the broadcast is monaural, stereo, or multi-lingual. The detection signal is used for controlling the separating of the channels. According to the invention, the detection signal is |
| 4680793 |
Noise eliminating circuit |
July 14, 1987 |
| A noise eliminating circuit including a subsignal modulator circuit, a matrix circuit, and sample-and-hold circuits, for reducing signal distortion as well as preventing the in-circuit generation of noise. The sample-and-hold circuits are disposed in the signal paths of a main signal |
