Patents for H03J 5 - Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner (3,151) |
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04/30/1997 | DE19539939A1 Code transmitter e.g. for motor vehicle theft prevention system |
04/30/1997 | CN1148755A Circuit for synchronous transmitter local oscillator frequency in digital microwave system applied in same wave channel |
04/23/1997 | EP0769872A2 Circuit with a high frequency receiver stage and a transmission stage |
04/23/1997 | EP0769850A1 High frequency tuner |
04/10/1997 | DE19640867A1 Multiplex radio receiver for Radio Data System |
04/09/1997 | CN1147186A Two band 25 channel cordless telephone system |
04/08/1997 | US5619283 Double tuned RF circuit with balanced secondary |
04/02/1997 | EP0766391A1 Radio receiver |
03/27/1997 | DE19639238A1 Eingangsabstimmkreis für Fernsehgerät Eingangsabstimmkreis for TV |
03/27/1997 | DE19639237A1 Double television tuner device |
03/27/1997 | DE19635891A1 Receiver with signal generating oscillator at frequency corresponding to oscillation control signal |
03/19/1997 | CN1145554A Superheterodyne receiving circuit and superheterodyne receiver |
03/18/1997 | US5613197 Multi-channel transponder with channel amplification at a common lower frequency |
03/13/1997 | DE19533008A1 Receiver especially for radio data system |
03/12/1997 | EP0761038A1 Variable-frequency oscillator circuit |
03/05/1997 | EP0487548B1 Synthesized selective call receiver having variable characteristics |
02/19/1997 | CN1143431A Tuning system with DC-DC converter |
02/19/1997 | CN1143285A Station selecting and processing device for mobile FM receivor |
02/18/1997 | US5604927 Receiver having an adjustable bandwidth filter |
02/11/1997 | US5603097 Digital radio system capable of high-speed frequency changing at low power consumption |
02/05/1997 | CN1142158A Method for storage of tuning data of digital channel, and circuit, TV receiver, videorecorder thereof |
02/05/1997 | CN1142140A Storage for selecting channel by frequency synthesizer, and system using same |
01/22/1997 | EP0755120A1 Phase-locked loop circuit |
01/22/1997 | CN1140934A Apparatus and method of setting variable dividing radio and apparatus using the same |
01/21/1997 | CA2048758C Linkable scan lists for a television receiver |
01/21/1997 | CA2048753C Previous channel feature in a television receiver having multiple rf inputs |
01/14/1997 | US5594510 Method for tuning the channel of broadcasting waves and identifying channel plan by applying memorized frequency data |
12/27/1996 | EP0750421A1 Method for the storage of digital tuning data, circuit, television receiver and magnetic video recorder for implementing the same |
12/18/1996 | EP0749055A2 Heterodyne receiver with synchronous demodulation for time signal reception |
12/10/1996 | US5584062 Method and apparatus for compensating phase locked receivers |
12/10/1996 | US5584061 Receiver with automatic tuning function |
12/04/1996 | EP0745284A1 Adaptive system for self-tuning and selecting a carrier frequency in a radio frequency communication system |
11/13/1996 | CN1135696A Tuning circuit for receiver, especially for television receiver |
11/06/1996 | CN1135137A Circuit device including RF converter, Tuner and IF amplifier |
10/30/1996 | EP0740415A1 Switching circuit for a satellite broadcasting converter |
10/30/1996 | EP0739535A1 Tuning system with dc-dc converter |
10/08/1996 | US5564099 Radio signal reception with a PLL frequency controlled for an IF signal depending on coexistence of a spurious signal with the radio signal |
10/03/1996 | WO1996015652A3 Tuning system with dc-dc converter |
09/24/1996 | US5559475 Frequency synthesizer for synthesizing signals of a variety of frequencies by cross modulation |
09/12/1996 | DE2858826C2 Receiver tuner permitting channel searching |
09/11/1996 | EP0731572A2 Radio station tuning system |
09/11/1996 | CN1130823A Satellite receiving tuner with band broadness changeable demodulation circuit |
08/20/1996 | US5548839 Wide band radio-frequency converter having multiple use of intermediate frequency translators |
08/20/1996 | US5548821 Adaptive system for self-tuning and selecting a carrier frequency in a radio frequency communication system |
08/14/1996 | EP0726648A1 Tuning circuit for a receiver apparatus particularly a television receiver |
08/14/1996 | EP0479932B1 Frequency synthesizer with an interface controller and buffer memory |
08/07/1996 | EP0725489A1 Broadcasting station data detecting apparatus for a mobile body and broadcast receiving apparatus for mobile bodies |
08/01/1996 | WO1996023354A1 Wide frequency spectrum television tuner with single local oscillator |
07/30/1996 | US5541469 Resonator utilizing width expansion mode |
07/11/1996 | DE19600208A1 Video signal processor circuit e.g. for VHS video recorder |
07/09/1996 | US5535443 Negative feedback control circuit having a common line for input and output signal |
06/26/1996 | EP0718964A2 Switchable oscillator circuit and method |
06/25/1996 | US5530924 Radio station memory presets with stored audio effects |
06/04/1996 | US5524288 Tuning of a radio receiver |
05/30/1996 | WO1996016472A1 Multi-frequency local oscillators |
05/30/1996 | WO1996015652A2 Tuning system with dc-dc converter |
05/15/1996 | EP0712104A2 Multi-channel transponder with channel amplification at a common lower frequency |
05/15/1996 | CN1122536A 无线电接收机 Radio receiver |
04/30/1996 | US5513385 Reception apparatus, signal reproducing apparatus using reception apparatus and control method thereof |
04/25/1996 | WO1996012341A1 Wide band radio-frequency converter having multiple use of intermediate frequency translators |
04/25/1996 | CA2202769A1 Wide band radio-frequency converter having multiple use of intermediate frequency translators |
04/24/1996 | EP0708528A1 Radio receiver with automatic searching of stations |
04/10/1996 | CN1120283A Double tuned RF circuit with balanced secondary |
04/09/1996 | US5507021 Method to input alphanumerical information into a device having a central computer, a memory, and a keypad |
03/27/1996 | CN1119391A Bandswitchable double tuned RF circuit with balanced secondary |
03/21/1996 | DE19533774A1 Keyboard operated tuning control method for receiver |
03/20/1996 | CN1118979A Remote control device having a self illumination circuit and self illuminating method thereof |
03/13/1996 | EP0701341A2 Network follow processing method and RDS receiver executing same |
03/12/1996 | US5499394 Filter switching circuit |
03/12/1996 | US5499056 Bandswitchable double tuned RF circuit with balanced secondary |
02/29/1996 | WO1996006485A1 Broadcasting station data detecting apparatus for a mobile body and broadcast receiving apparatus for mobile bodies |
02/20/1996 | US5493718 Dual-channel low current low noise block downconverter |
02/14/1996 | EP0696871A1 Bandswitchable double tuned RF circuit with balanced secondary |
02/14/1996 | EP0696870A1 Double tuned RF circuit with balanced secondary |
01/17/1996 | CN1115139A Synthesizer receiver |
01/10/1996 | EP0691740A2 Radio station memory presets with stored audio effects |
01/10/1996 | EP0691736A1 Control of audio effects in radio receivers |
01/10/1996 | EP0681775A4 Automatic tuning radio/tv using filtered seek. |
01/09/1996 | US5483685 Quick channel selection system for broadcast areas having small number of active channels |
01/09/1996 | US5483209 Reception band switching circuit with variable attenuation control |
01/02/1996 | US5481227 Oscillator, synthesizer tuner circuit and AM synchronous detect circuit employing the oscillator |
12/14/1995 | DE4420424A1 Controlling transmitter memory of radio receiver for automatic tuning |
12/13/1995 | EP0687081A1 RDS receiver using EON information |
12/13/1995 | EP0686324A1 Receiver having an adjustable bandwidth filter |
12/13/1995 | EP0686318A1 High-frequency wideband tuner |
12/12/1995 | US5475871 Communication system with control signal based tuning |
12/07/1995 | WO1995033307A1 Variable-frequency oscillator circuit |
12/05/1995 | US5473442 VCE control of a cable converter unit |
11/30/1995 | DE4418432A1 Variable frequency oscillator with feedback network coupled to amplifying network |
11/29/1995 | EP0684711A1 Method of and apparatus for selecting a broadcast station using programme type information transmitted on a subcarrier in the programme signal |
11/28/1995 | US5471652 Frequency synthesizer and multiplier circuit arrangement for a radio telephone |
11/15/1995 | EP0681775A1 Automatic tuning radio/tv using filtered seek |
10/31/1995 | US5463362 Tuner circuit having a switching diode to change receiving bands |
10/25/1995 | EP0679024A2 Circuit with a high frequency receiver stage and a transmission stage |
10/25/1995 | EP0678981A2 High-frequency receiving stage |
10/04/1995 | CN1109659A Resonator utilizing width expansion mode |
09/27/1995 | CN1109250A Radio selective calling receiver having synthesizers |
08/31/1995 | WO1995019074A3 High-frequency wideband tuner |
08/30/1995 | EP0669721A2 Oscillator, synthesizer tuner circuit and AM synchronous detect circuit employing the oscillator |
08/23/1995 | EP0668656A1 A tuner for a satellite broadcasting receiver |