Patents
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)
11/1999
11/30/1999US5995815 Multiple band receiver
11/18/1999WO1999059256A1 Fully integrated all-cmos am receiver
11/17/1999CN1235417A Channel selection apparatus
11/16/1999US5987313 Apparatus for controlling tuning point and tuning circuit having function of controlling tuning point
11/16/1999CA2090098C Channel display device for receivable channels
11/11/1999WO1999057809A1 High frequency receiver range switching circuit
11/11/1999DE19819544A1 Schaltungsanordnung zur Bereichsumschaltung in Hochfrequenzempfängern Circuit arrangement for range switching in high-frequency receivers
11/10/1999EP0955771A1 Television receiver
11/10/1999CN1234696A Selective paging wireless receiver using direct conversion method
11/09/1999US5983088 Wide frequency spectrum television tuner with single local oscillator
11/09/1999US5983081 Method for generating frequencies in a direct conversion transceiver of a dual band radio communication system, a direct conversion transceiver of a dual band radio communication system and the use of this method and apparatus in a mobile station
11/09/1999US5982240 Voltage controlled oscillator using a plurality of switchable oscillators
11/02/1999US5978663 Antenna tuning circuit
10/1999
10/27/1999EP0952667A1 Tuning apparatus
10/27/1999CN1233359A Multiple band receiver
10/26/1999US5974302 Dual band cellular/PCS transceiver
10/26/1999CA2019339C Channel selecting apparatus
10/21/1999DE19816490A1 Pre-selection filter layout for high frequency receivers
10/14/1999WO1999039447A3 Global tuner
10/13/1999EP0806082B1 Wide frequency spectrum television tuner with single local oscillator
10/12/1999US5966646 Dual-band radio receiver
09/1999
09/29/1999EP0945980A1 Band switchable tuning circuit
09/29/1999CN1230075A Double tuning loop
09/23/1999WO1999048201A2 Tuning with diode detector
09/22/1999EP0944172A2 Phase-locked loop for generating an output signal in two or more frequency ranges
09/16/1999WO1999046930A1 Interactive selection system for a video decoder modulator channel
09/16/1999DE19811104A1 Method of automatic switchover of bands in tuner
09/10/1999WO1999045636A1 Front end filter circuitry for a dual band gsm/dcs cellular phone
09/08/1999EP0940981A2 Channel selection apparatus
09/01/1999EP0939488A1 Voltage controlled tuning cicuit
08/1999
08/18/1999CN1044758C Data receving method of multi-broadcasting receiver
08/10/1999US5937339 Frequency-selection device provided with a lock-on detector
08/05/1999WO1999039447A2 Global tuner
08/04/1999EP0932938A2 Arrangement in a communication system
07/1999
07/28/1999EP0931385A2 Multiple band receiver
07/28/1999CN1224276A Circuit arrangement for switching and adjusting mutual parallel frequency range filter branch
07/27/1999US5930697 Heterodyne receiver with synchronous demodulation for receiving time signals
07/27/1999US5930696 Broadband low-noise low-intermodulation receiver
07/21/1999EP0929936A1 Multiple preamplifier circuit for a television tuner
07/14/1999EP0929153A1 Double-tuned circuit
07/13/1999CA2258823A1 Fast tuner system
07/13/1999CA2065758C Dual port oscillator for two-stage direct conversion receiver
06/1999
06/23/1999CN1220547A Cable modem tuner
06/17/1999WO1999030417A1 Automatic gain-controlled vhf/uhf antenna tuning apparatus
06/17/1999WO1999030385A1 Vhf/uhf self-tuning planar antenna system
06/16/1999CN1220059A Tuning system for achieving quick acquisition times for digital satellite receiver
06/09/1999CN1219020A Frequency converter circuit of tuner for cable modem
06/03/1999WO1999027690A1 System for processing broadcasted signals
06/02/1999EP0920121A1 Frequency converter circuit for cable modem tuner
04/1999
04/28/1999EP0911969A1 Amplifier circuit with dual gain
04/28/1999EP0911962A1 Cable modem tuner
04/28/1999EP0911960A1 Resonance circuit for balanced oscillator
04/20/1999US5896562 Transmitter/receiver for transmitting and receiving of an RF signal in two frequency bands
04/08/1999DE19727564C1 Storing channel locations for stations in tuner equipment
04/01/1999WO1999001933A3 Multiple mode direct conversion receiver
03/1999
03/31/1999EP0905891A1 Television tuner, integrated tuner circuit and method for controlling the television tuner
03/31/1999CN1212563A Integrated circuit for frequency modulation
03/31/1999CN1212387A Automatic radio station memory programming
03/25/1999WO1999001930A3 Band-pass filter
03/24/1999CN1211870A Selective RF circuit with varactor tuned bandpass switched bandpass filters
03/16/1999US5883553 Filter unit adapted for miniaturization and for selecting a particular signal where a plurality of signals different in bandwidth coexist
03/03/1999EP0899877A1 IC for tuner
03/03/1999EP0899876A1 Automatic radio station memory programming
03/02/1999US5877822 Method for storing digital channel tuning data, and circuit, television receiver and video cassette recorder implementing the method
02/1999
02/26/1999CA2240425A1 Automatic radio station memory programming
02/24/1999EP0898365A1 UHF/VHF tuner
02/24/1999CN1209000A Arrangement for tuning resonant circuit for both super high frequency and far super high frequency
02/02/1999US5867771 Circuit arrangement comprising a tuner and a splitter-modulator
01/1999
01/26/1999US5864753 Radio station tuning system
01/26/1999US5864751 System for programming a radio receiver
01/20/1999EP0891653A1 Tuning system for achieving quick acquisition times for a digital satellite receiver
01/20/1999EP0761038B1 Variable-frequency oscillator circuit
01/20/1999CN1041781C Previous channel feature in television receiver having multiple rf inputs
01/14/1999WO1999001933A2 Multiple mode direct conversion receiver
01/14/1999WO1999001930A2 Band-pass filter
01/13/1999CN1205134A Receiver tuning
01/12/1999US5859674 Tuning circuit for a receiver, particularly a television receiver
01/07/1999EP0889584A2 Circuit for switching and tuning of parallel connected filter branches with different frequency range
12/1998
12/30/1998CN1203482A Channel selecting method and apparatus
12/23/1998EP0886376A1 Command protocol for circuits used for receiving microwave signals and device implementing the protocol
12/22/1998US5852784 Multiband mobile unit communication apparatus
12/10/1998DE19824817A1 Short wave receiver
12/09/1998EP0883238A2 Receiver for different frequency bands
12/01/1998US5845200 Method and an apparatus for automatically tuning a receiver
11/1998
11/24/1998US5842120 Radio receiver with programmable digital tuner immune to manufacturing variations in varactor capacitance
11/24/1998US5841334 RF capacitor circuit and method of electronically tuning same
11/19/1998WO1998052292A1 Dual-band radio receiver
11/18/1998EP0878906A1 Radio receiver
11/11/1998CN1198642A Radio selecting/calling receiver and adaptable data displaying/selecting equipment
11/05/1998WO1998049568A1 Multi-signal generator
11/04/1998CN1040600C 无线电接收机 Radio receiver
10/1998
10/28/1998EP0874467A2 Broadcast receiver
10/21/1998EP0872959A1 Low noise frequency divider
10/13/1998US5822687 Method and apparatus for automatic tuning calibration of electrically tuned filters
10/13/1998US5821838 Double tuning circuit of TV tuner
10/07/1998EP0868775A1 Frequency agile modulator
10/06/1998US5819166 Receiving apparatus having a database containing broadcasting-station information
10/06/1998US5818305 Automatic substitution of a reference oscillator for synchronizing two transmitter co-channel local oscillators
09/1998
09/30/1998EP0868025A1 Radio receiver
09/29/1998US5815218 Circuit device including RF converter, tuner and if amplifier
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