Patents
Sitemap › H03 - Basic electronic circuitry › H03B - Generation of oscillations, directly or by frequency-changing, by circuits employing active elements which operate in a non-switching manner; Generation of noise by such circuits › H03B 25 - Simultaneous generation by a free-running oscillator of oscillations having different frequencies
Patents for H03B 25 - Simultaneous generation by a free-running oscillator of oscillations having different frequencies (79)
12/2014
12/18/2014US20140368242 Method and apparatus for control of a digital phase locked loop (dpll) with exponentially shaped digitally controlled oscillator (dco)
06/2014
06/18/2014CN103872987A Method and circuit for converting alternating-current sine wave signals into direct-current step wave signals
06/17/2014US8754678 Apparatus and methods for invertible sine-shaping for phase interpolation
08/2013
08/15/2013WO2013083735A3 Oscillator having dual topology
04/2013
04/09/2013US8417983 Adjusting a device clock source to reduce wireless communication interference
11/2012
11/29/2012US20120303690 Random number generator with ring oscillation circuit
09/2012
09/04/2012US8260835 Random number generator with ring oscillation circuit
04/2012
04/11/2012EP2086107B1 Oscillator, transmission/reception device, and frequency synthesizer
09/2011
09/13/2011US8018290 Oscillator, transmitter-receiver and frequency synthesizer
04/2011
04/27/2011CN102035473A High stability sine wave signal generator
11/2010
11/11/2010US20100283550 Multi-output oscillator using single oscillator and method of generating multiple outputs using the same
08/2010
08/18/2010CN201557081U Reference oscillator
08/05/2010US20100194471 Periodic timing jiperiodic timing jitter reduction in oscillatory systems
06/2010
06/24/2010WO2010069956A2 Direct mixer with transistor and sample-and-hold module
02/2010
02/25/2010US20100045348 Oscillator, transmitter-receiver and frequency synthesizer
01/2010
01/13/2010CN100581049C Sine-wave generator with high precise frequency
12/2009
12/22/2009CA2533623C Tunable oscillator
12/10/2009US20090302953 Magnetic oscillator with multiple coherent phase output
10/2009
10/14/2009CN100550601C Voltage controlled oscillator for frequency synthesizer
10/06/2009US7598817 Oscillator for outputting different oscillation frequencies
08/2009
08/05/2009EP2086107A1 Oscillator, transmission/reception device, and frequency synthesizer
05/2009
05/07/2009US20090115546 Modulator comprising a dual-frequency oscillator and a synthesizer
02/2009
02/04/2009CN100459439C Multifrequency medium resonant oscillator
12/2008
12/18/2008US20080313249 Random number generator with ring oscillation circuit
10/2008
10/22/2008CN101290566A Random number generator with ring oscillation circuit
09/2008
09/09/2008US7424500 Random number generator with ring oscillation circuit
07/2008
07/03/2008US20080157886 Oscillator
07/02/2008CN100399261C Random number generator with ring oscillation circuit
05/2008
05/08/2008US20080106344 Circuit arrangement for a gps system
04/2008
04/24/2008WO2008047763A1 Oscillator, transmission/reception device, and frequency synthesizer
04/22/2008US7362188 System-on-a-chip (SoC) clock management—a scalable clock distribution approach
11/2007
11/06/2007US7292108 Voltage controlled oscillator for frequency synthesizer
10/2007
10/11/2007WO2007114956A2 Linking and browsing media on television
09/2007
09/18/2007US7271671 Arranging a crystal to generate an oscillating signal
06/2007
06/20/2007CN1985437A Modulator comprising a dual-frequency oscillator and a synthesizer
04/2007
04/04/2007EP1769578A1 Modulator comprising a dual-frequency oscillator and a synthesizer
10/2006
10/25/2006CN1852022A Sine-wave generator with high precise frequency
09/2006
09/19/2006US7109809 Method and circuit for reducing VCO noise
08/2006
08/02/2006EP1686685A2 Tunable, maximum power output, frequency harmonic comb generator
04/2006
04/05/2006EP1104593B1 Oscillators
06/2005
06/15/2005EP1542355A1 Voltage controlled oscillator for frequency synthesizer
06/15/2005CN1627630A Voltage controlled oscillator for frequency synthesizer
06/09/2005US20050122177 Voltage controlled oscillator for frequency synthesizer
02/2005
02/02/2005CN1573681A Random number generator with ring oscillation circuit
12/2004
12/30/2004US20040264233 Random number generator with ring oscillation circuit
06/2003
06/03/2003US6573800 Continuously changing random signal generating arrangement and method
04/2003
04/29/2003US6556090 Oscillator circuit for a validator
12/2002
12/19/2002US20020190800 Continuously changing random signal generating arrangement and method
11/2001
11/13/2001US6316943 Signal generator
06/2001
06/06/2001EP1104593A1 Oscillators
11/2000
11/29/2000EP1056192A2 Radio receiver
02/2000
02/24/2000WO2000010246A1 Oscillators
02/22/2000US6028425 Signal generator
01/2000
01/25/2000US6018274 Radio receiver and frequency generator for use with digital signal processing circuitry
07/1999
07/28/1999CN1224275A Variable frequency oscillator
07/13/1999CA2065758C Dual port oscillator for two-stage direct conversion receiver
05/1998
05/05/1998US5748049 Multi-frequency local oscillators
09/1997
09/16/1997US5668504 Frequency synthesizer
05/1997
05/06/1997US5627498 Multiple frequency oscillator
01/1997
01/22/1997EP0755113A2 Radio receiver and frequency generator
01/15/1997EP0753941A1 Frequency synthesizer
05/1996
05/30/1996WO1996016472A1 Multi-frequency local oscillators
04/1995
04/11/1995US5406230 Chip type oscillator and oscillation circuit using this oscillator
06/1994
06/15/1994EP0601217A1 Oscillator circuit
05/1994
05/03/1994US5309116 Multimode crystal oscillator
11/1993
11/16/1993US5263197 Dual port oscillator for two-stage direct conversion receiver
05/1993
05/13/1993DE4232378A1 Generator for different frequency electric oscillations - has first transistor coupled to second transistor emitter via oscillation quartz
11/1992
11/10/1992US5162745 Multichannel sine synthesizer
11/03/1992US5160901 Multimode crystal oscillator
08/1991
08/07/1991EP0440283A2 Multiple channel sine synthesizer
08/1989
08/30/1989CN2043762U Multifunctional non-contact detector
08/22/1989US4859969 Single transistor dual mode crystal oscillator(U)
02/1986
02/25/1986US4573025 Drift-equalized, multi-frequency oscillator
10/1983
10/25/1983CA1155927A1 Balanced modulator
10/11/1983US4409565 Circuit arrangement for producing a low frequency alternating current
09/1981
09/09/1981EP0035138A2 Circuit arrangement for the generation of a low-frequency alternating current for electro-therapy
03/1978
03/14/1978US4079280 Quartz resonator cut to compensate for static and dynamic thermal transients
06/1976
06/29/1976US3967210 Multimode and multistate ladder oscillator and frequency recognition device
05/1976
05/11/1976US3956703 Multichannel generator