ClassID:

222212

H03L7/148 - CPC Classification

Classification description:

Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop; Details of the phase-locked loop for assuring constant frequency when supply or correction voltages fail or are interrupted by using digital means for generating the oscillator control signal said digital means comprising a counter or a divider

Recent Application in this class:
#1
20250240022
2025-07-24

DIGITAL DELAY LINE OF A MEMORY SYSTEM AND METHOD OF ADJUSTING TIMING OF CLOCKS USING THEREOF

#2
20230412176
2023-12-21

Method and system of dynamically controlling reset signal of IQ divider

#3
20220407523
2022-12-22

MULTIPLE SAMPLE-RATE DATA CONVERTER

#4
20220337255
2022-10-20

Radio-frequency (RF) apparatus for digital frequency synthesizer including sigma-delta modulator and associated methods

#5
20220337254
2022-10-20

Apparatus for digital frequency synthesizer with sigma-delta modulator and associated methods

#6
20220173936
2022-06-02

Method for checking a message in a communication system

#7
20200403625
2020-12-24

Time-to-digital conversion circuit and method of the same

#8
20200395947
2020-12-17

Random number generating device and operating method of the same

#9
20200393869
2020-12-17

Apparatus and method to maintain stable clocking

#10
20200321969
2020-10-08

PHASE CANCELLATION IN A PHASE-LOCKED LOOP

#11
20200195261
2020-06-18

Apparatus for digitally controlled oscillators and associated methods

#12
20200052706
2020-02-13

Apparatus including safety logic

#13
20200021301
2020-01-16

Phase cancellation in a phase-locked loop

#14
20190296753
2019-09-26

Method for managing a phase-locked loop and related circuit

#15
20190280699
2019-09-12

Phase cancellation in a phase-locked loop

#16
20180123606
2018-05-03

Coarse adjustment cell array applied to digitally controlled oscillator and related apparatus

#17
20160072507
2016-03-10

Frequency divider and related electronic device

#18
20160065220
2016-03-03

CMOS oscillator having stable frequency with process, temperature, and voltage variation

#19
20130328604
2013-12-12

Clock generator and system including the same

#20
20130271194
2013-10-17

Digital delay-locked loop with drift sensor

#21
20130030881
2013-01-31

METHODS AND APPARATUS FOR PERFORMING FINANCIAL TRANSACTIONS

#22
20080211636
2008-09-04

Radio frequency communications devices

#23
20080191762
2008-08-14

Digital hold in a phase-locked loop

#24
20080048835
2008-02-28

Radio frequency identification apparatuses

#25
20080048832
2008-02-28

Systems Utilizing an Interrogator and One or More RFID Tags

#26
20080030353
2008-02-07

Method and apparatus for wireless communication of identification information between radio frequency devices

#27
20080030306
2008-02-07

Radio Frequency Identification Sensor Tag Apparatuses

#28
20070293209
2007-12-20

Systems for Remotely Maintaining Inventory

#29
20070139164
2007-06-21

System and method for identifying a radio frequency identification (RFID) device

#30
20060220694
2006-10-05

Voltage hold circuit and clock synchronization circuit

#31
20060109059
2006-05-25

System and method for maintaining an accurate frequency on a voltage controlled oscillator

#32
20060082445
2006-04-20

Radio frequency data communications device

#33
20050088314
2005-04-28

Radio frequency data communications device

#34
17317846
2022-04-19

Signal synchronizing device and digital signal output device

#35
16221192
2019-11-19

Failsafe clock product using frequency estimation

#36
16221188
2020-03-31

Delay adjustment using frequency estimation

#37
16001104
2018-12-04

Non-linear oven-controlled crystal oscillator compensation circuit

#38
14934058
2016-11-29

In system calibration of wake up timer

#39
14727673
2016-10-04

Timing recovery for digital receiver with interleaved analog-to-digital converters

#40
14016972
2016-02-09

Dual-input oscillator for redundant phase-locked loop (PLL) operation