Patents-Review.com
ClassID:

218739 ⎘

H03B2200/0012 - CPC Classification

Classification description:

Indexing scheme relating to details of oscillators covered by; Types of oscillators Pierce oscillator

Recent Application in this class:
#1
20250392257
2025-12-25

OSCILLATING CIRCUIT AND ELECTRONIC DEVICE

 #2
20250323600
2025-10-16

CRYSTAL OSCILLATOR ENERGY INJECTION

 #3
20250247050
2025-07-31

BACK GATE BIASING OF CRYSTAL OSCILLATORS FOR ENHANCED NEGATIVE RESISTANCE

 #4
20250167733
2025-05-22

ELECTRONIC OSCILLATOR WITH INDEPENDENT CONTROLS OF VARIABLE CAPACITIES

 #5
20250158570
2025-05-15

OSCILLATION CIRCUIT AND ELECTRONIC DEVICE

 #6
20240267000
2024-08-08

OSCILLATOR REGULATION

 #7
20240022210
2024-01-18

Amplitude regulator for crystal oscillator

 #8
20230421100
2023-12-28

Amplitude regulator for crystal oscillator

 #9
20230387854
2023-11-30

Constant-gm current source

 #10
20230291355
2023-09-14

Oscillation circuit and electronic device

 #11
20230188093
2023-06-15

Oscillator frequency accuracy and amplitude control

 #12
20220286086
2022-09-08

Tapped inductor voltage controlled oscillator

 #13
20220029585
2022-01-27

Voltage tolerant oscillator with enhanced RF immunity performance

 #14
20210391863
2021-12-16

Oscillator circuit with bias current generator

 #15
20210273610
2021-09-02

Oscillator circuit with two current supplies

 #16
20210194429
2021-06-24

Voltage tolerant oscillator with enhanced RF immunity performance

 #17
20210006252
2021-01-07

Oscillator circuit with bias current generator

 #18
20200373884
2020-11-26

Oscillator circuit arrangement

 #19
20200235702
2020-07-23

Low power crystal oscillator

 #20
20200220496
2020-07-09

Ultra-low-power oscillator with DC-only sustaining amplifier

 #21
20190372523
2019-12-05

Tapped inductor voltage controlled oscillator

 #22
20190356268
2019-11-21

Circuit with shunt path

 #23
20190305786
2019-10-03

Crystal oscillator and method for adjusting oscillation frequency

 #24
20190268002
2019-08-29

Oscillator circuit with bias current generator

 #25
20190190447
2019-06-20

Fast start-up circuit for low power crystal oscillator

 #26
20190044479
2019-02-07

Low-voltage crystal oscillator circuit compatible with GPIO

 #27
20190020309
2019-01-17

Low power crystal oscillator

 #28
20190006990
2019-01-03

Crystal driver circuit with external oscillation signal amplitude control

 #29
20180337635
2018-11-22

Method and circuit for exciting a crystal oscillation circuit

 #30
20180278209
2018-09-27

TEMPERATURE COMPENSATED OSCILLATOR AND ELECTRONIC DEVICE

 #31
20180034412
2018-02-01

Tapped inductor voltage controlled oscillator

 #32
20170331461
2017-11-16

Trigger and oscillation system

 #33
20170318529
2017-11-02

Bluetooth low energy beacon with FBAR-based oscillator-per-channel

 #34
20170237441
2017-08-17

Oscillator circuit with bias current generator

 #35
20170201258
2017-07-13

Oscillator with dynamic gain control

 #36
20170194908
2017-07-06

VARIABLE GAIN ELECTRO-MECHANICAL OSCILLATOR AND METHOD FOR STARTING BALANCED OSCILLATIONS

 #37
20170126234
2017-05-04

Integrated circuit device, electronic device, electronic apparatus, and base station

 #38
20170033740
2017-02-02

Low voltage crystal oscillator (XTAL) driver with feedback controlled duty cycling for ultra low power

 #39
20160344342
2016-11-24

Tapped inductor voltage controlled oscillator

 #40
20150116048
2015-04-30

Oscillation circuit, oscillator, manufacturing method of oscillator, electronic device, and moving object

 #41
20140104009
2014-04-17

Crystal oscillator with electrostatic discharge (ESD) compliant drive level limiter

 #42
20130285755
2013-10-31

System and method for supporting different types of oscillator circuits

 #43
20130038400
2013-02-14

Temperature-compensated crystal oscillator

 #44
20120293271
2012-11-22

Voltage tunable oscillator using bilayer graphene and a lead zirconate titanate capacitor

 #45
20120280842
2012-11-08

System and method for supporting different types of oscillator circuits

 #46
20120262243
2012-10-18

Oscillator having a plurality of switchable MEMS vibrators

 #47
20120235760
2012-09-20

Oscillator having a plurality of switchable MEMS vibrators

 #48
20120229149
2012-09-13

METHOD FOR DETERMINING LOAD CAPACITANCE OF AN OSCILLATOR CIRCUIT, OSCILLATOR CIRCUIT AND ELECTRONIC APPARATUS

 #49
20120223783
2012-09-06

Oscillator circuit and electronic apparatus including the same

 #50
20120161888
2012-06-28

Crystal oscillator circuit

 #51
20120154066
2012-06-21

Oscillator, and clock generator, semiconductor device, and electronic device including the same

 #52
20120126907
2012-05-24

Oscillation circuit

 #53
20120098609
2012-04-26

Crystal oscillator with low-power mode

 #54
20120092079
2012-04-19

Oscillator circuit and method of improving noise immunity

 #55
20120063504
2012-03-15

System and method for crystal oscillator frequency tuning

 #56
20110241787
2011-10-06

Technique for detecting crystals

 #57
20110193569
2011-08-11

Oscillator circuit with RF suppression

 #58
20110133845
2011-06-09

OSCILLATOR CIRCUIT

 #59
20100321123
2010-12-23

Low power consuming quartz oscillator circuit with active polarisation

 #60
20100289587
2010-11-18

System and method for reducing power consumption of an oscillator

 #61
20100188157
2010-07-29

Multi-oscillator circuit with variable power supply

 #62
20090261914
2009-10-22

CRYSTAL OSCILLATOR CIRCUITS

 #63
20090219103
2009-09-03

Oscillator arrangement and method for operating an oscillating crystal

 #64
20080315965
2008-12-25

Third overtone crystal oscillator

 #65
20080174377
2008-07-24

THIRD OVERTONE CRYSTAL OSCILLATOR

 #66
20080136541
2008-06-12

Oscillator circuit

 #67
20070001774
2007-01-04

Apparatus, system, and method for oscillator network with multiple parallel oscillator circuits

 #68
20060255871
2006-11-16

Inverting amplifier and crystal oscillator having same

 #69
20060081892
2006-04-20

MOS capacitor type semiconductor device and crystal oscillation device using the same

 #70
20060017517
2006-01-26

Voltage controlled oscillator

 #71
20050083141
2005-04-21

Arrangement for low power clock generation

 #72
20050083140
2005-04-21

Crystal oscillator circuit

 #73
20050059375
2005-03-17

Voltage controlled oscillator, frequency synthesizer and communication apparatus

 #74
18433182
2026-01-20

Oscillator integrated piezoelectric radiator

 #75
17853070
2023-07-18

Fast startup crystal oscillator circuit with programmable injection time and adaptive startup time to achieve high amplitude oscillation

 #76
15707541
2019-11-19

Non-inverting multi-mode oscillator

 #77
14152523
2015-06-09

Amplitude limiting circuit for a crystal oscillator