ClassID:

218772

H03B2200/0078 - CPC Classification

Classification description:

Indexing scheme relating to details of oscillators covered by; Functional aspects of oscillators generating or using signals in quadrature

Recent Application in this class:
#1
20260039520
2026-02-05

ELECTRONIC CIRCUIT FOR DELIVERING SIGNALS IN QUADRATURE

#2
20250047240
2025-02-06

Quadrature Oscillator

#3
20240388251
2024-11-21

QUADRATURE OSCILLATOR

#4
20240235907
2024-07-11

ELECTRONIC CIRCUIT FOR DELIVERING SIGNALS IN QUADRATURE

#5
20240137254
2024-04-25

ELECTRONIC CIRCUIT FOR DELIVERING SIGNALS IN QUADRATURE

#6
20220286089
2022-09-08

Quadrature oscillator circuitry and circuitry comprising the same

#7
20210391853
2021-12-16

Radio design, control, and architecture

#8
20210167782
2021-06-03

Quadrature oscillator circuitry and circuitry comprising the same

#9
20210135676
2021-05-06

IQ signal source

#10
20210119578
2021-04-22

Quadrature voltage-controlled oscillator circuit with phase shift

#11
20200252070
2020-08-06

Local oscillator

#12
20190341886
2019-11-07

Quadrature oscillator

#13
20190165729
2019-05-30

Transformer feed-back quadrature voltage controlled oscillator for correcting dynamic phase error and communication apparatus using the same

#14
20190058441
2019-02-21

Quadrature oscillation circuit and CDR circuit

#15
20180351559
2018-12-06

Four-phase oscillator and CDR circuit

#16
20170288607
2017-10-05

Balanced unilateral frequency quadrupler

#17
20160254784
2016-09-01

Signal generator and associated phase shift apparatus and method

#18
20160181975
2016-06-23

Power oscillator apparatus with transformer-based power combining

#19
20150145612
2015-05-28

Ultra-low voltage-controlled oscillator with trifilar coupling

#20
20140203881
2014-07-24

Ultra-low voltage-controlled oscillator with trifilar coupling

#21
20130241661
2013-09-19

Voltage-controlled oscillator module and method for generating oscillator signals

#22
20120262239
2012-10-18

Low power wideband LO using tuned injection locked oscillator

#23
20120223779
2012-09-06

Voltage-controlled oscillator

#24
20120182078
2012-07-19

Quadrature voltage-controlled oscillator and method of providing four-phase output signals

#25
20120133446
2012-05-31

Quadrature voltage controlled oscillator including transmission line

#26
20120081155
2012-04-05

Dual-mode voltage controlled oscillator, frequency synthesizer and wireless receiving device

#27
20110241788
2011-10-06

Multi-phase signal generator and voltage-controlled oscillator thereof

#28
20110148535
2011-06-23

Multiple phase voltage controlled oscillator including a resonant circuit and negative resistance circuit

#29
20110050296
2011-03-03

Divide-by-two injection-locked ring oscillator circuit

#30
20110003571
2011-01-06

Low power LO distribution using a frequency-multiplying subharmonically injection-locked oscillator

#31
20100225375
2010-09-09

Reference signal generator circuit with filter-less quadrature mixers for wide-band applications

#32
20100188160
2010-07-29

Oscillator arrangement

#33
20100182065
2010-07-22

Multi-phase ultra-wideband signal generator using differential pulse oscillators and array thereof

#34
20100109724
2010-05-06

Submillimeter-wave signal generation by linear superimposition of phase-shifted fundamental tone signals

#35
20100085122
2010-04-08

Device with two differential oscillators with pulsed power supply coupled to and in quadrature-phase with each other

#36
20090237168
2009-09-24

VOLTAGE-CONTROLLED OSCILLATOR

#37
20090231047
2009-09-17

Multi-phase voltage-control oscillator

#38
20090215423
2009-08-27

MULTI-PORT CORRELATOR AND RECEIVER HAVING THE SAME

#39
20090137213
2009-05-28

Adaptive radio transceiver with offset PLL with subsampling mixers

#40
20090096494
2009-04-16

Circuit arrangement for generating a complex signal and the use of this circuit arrangement in a high-frequency transmitter or receiver

#41
20090079509
2009-03-26

LC quadrature oscillator having phase and amplitude mismatch compensator

#42
20080238515
2008-10-02

Signal generation apparatus for frequency conversion in communication system

#43
20080129392
2008-06-05

Colpitts quadrature voltage controlled oscillator

#44
20080106343
2008-05-08

Multi-phase voltage-control oscillator

#45
20080030244
2008-02-07

Quadrature frequency doubler with adjustable phase offset

#46
20070247242
2007-10-25

QUADRATURE VOLTAGE-CONTROLLED OSCILLATOR

#47
20070085617
2007-04-19

Amplifier arrangement for ultra-wideband applications and method

#48
20070077905
2007-04-05

QUADRATURE VOLTAGE CONTROLLED OSCILLATOR

#49
20070069831
2007-03-29

Voltage controlled oscillator circuitry and methods

#50
20070057740
2007-03-15

Quadrature voltage controlled oscillator and wireless transceiver including the same

#51
20060269014
2006-11-30

Oscillator frequency selection

#52
20060181356
2006-08-17

Quadrature voltage controlled oscillator

#53
20060115032
2006-06-01

System and method for using programmable frequency offsets in a data network

#54
20060087473
2006-04-27

Radar system using quadrature signal

#55
20050281356
2005-12-22

Quadrature voltage controlled oscillator with automated phase control

#56
20050186930
2005-08-25

Adaptive radio transceiver with offset PLL with subsampling mixers

#57
17650834
2023-07-04

Quadrature voltage-controlled oscillator (QVCO) with improved phase noise and quadrature imbalance trade-off