ClassID:

221583

H03K7/02 - CPC Classification

Classification description:

Modulating pulses with a continuously-variable modulating signal Amplitude modulation, i.e. PAM

Recent Application in this class:
#1
20260149628
2026-05-28

SYSTEM AND METHOD FOR DISTORTION MITIGATION

#2
20260032026
2026-01-29

TRANSMISSION OF TIME SENSITIVE SIGNAL

#3
20250219879
2025-07-03

ISOLATION INTEGRATED CIRCUIT, CARRIER FREQUENCY CONTROL CIRCUIT AND MODULATION SIGNAL GENERATION METHOD

#4
20250184191
2025-06-05

PAM3 TRANSMITTER, OPERATING METHOD OF PAM3 TRANSMITTER AND ELECTRONIC DEVICE INCLUDING THE SAME

#5
20250062940
2025-02-20

Isolation integrated circuit, carrier frequency control circuit and modulation signal generation method

#6
20240305287
2024-09-12

CODING FOR PULSE AMPLITUDE MODULATION WITH AN ODD NUMBER OF OUTPUT LEVELS

#7
20240259007
2024-08-01

RECEIVER INCLUDING A PULSE AMPLITUDE MODULATION DECODER, AND A MEMORY DEVICE INCLUDING THE SAME

#8
20240154609
2024-05-09

Semiconductor Device Including A Pulse Amplitude Modulation Driver

#9
20240097667
2024-03-21

Coding for pulse amplitude modulation with an odd number of output levels

#10
20240039522
2024-02-01

Differential interface circuit

#11
20230396243
2023-12-07

HIGH PERFORMANCE PULSE-AMPLITUDE MODULATION (PAM)/NON-RETURN-TO-ZERO (NRZ) TRANSMITTER DRIVER FOR HIGH-SPEED WIRELINE LINKS

#12
20230353431
2023-11-02

LOW POWER PAM-4 OUTPUT TRANSMITTER

#13
20230268912
2023-08-24

Semiconductor device including a pulse amplitude modulation driver

#14
20230163763
2023-05-25

Transceiver and method of driving the same

#15
20230154502
2023-05-18

Low power memory system using dual input-output voltage supplies

#16
20230081418
2023-03-16

Systems and methods for transition encoding compatible PAM4 encoding

#17
20230075962
2023-03-09

Termination for pulse amplitude modulation

#18
20220368573
2022-11-17

Techniques for communicating multi-level signals

#19
20220238142
2022-07-28

Low power memory system using dual input-output voltage supplies

#20
20220116031
2022-04-14

Signal analysis method and signal analysis module

#21
20220076715
2022-03-10

Memory devices configured to generate pulse amplitude modulation-based DQ signals, memory controllers, and memory systems including the memory devices and the memory controllers

#22
20210384897
2021-12-09

Multi-level output driver with adjustable pre-distortion capability

#23
20210257811
2021-08-19

Photonic transmitter drivers with logic using cascaded differential transistor pairs stepped by supply voltage differences

#24
20210091980
2021-03-25

PAM-4 calibration

#25
20210006257
2021-01-07

Modulators

#26
20200343883
2020-10-29

Multi-level output driver with adjustable pre-distortion capability

#27
20200099388
2020-03-26

Modulators

#28
20200076414
2020-03-05

Digital pulse width modulation driver system

#29
20190394071
2019-12-26

PAM-4 calibration

#30
20190305765
2019-10-03

Data bus inversion (DBI) on pulse amplitude modulation (PAM) and reducing coupling and power noise on PAM-4 I/O

#31
20190255321
2019-08-22

SKIN TREATMENT DEVICE COMPRISING A PULSE MODULATOR

#32
20190253044
2019-08-15

Pulse amplitude modulation transmitter and pulse amplitude modulation receiver

#33
20190044768
2019-02-07

Pulse amplitude modulation transmitter and pulse amplitude modulation receiver

#34
20180191536
2018-07-05

PAM4 signal generation apparatus

#35
20180183422
2018-06-28

Pulse-amplitude modulated hybrid comparator circuit

#36
20180152284
2018-05-31

Collaborative clock and data recovery

#37
20180123701
2018-05-03

Amplitude adjustment circuit, digital coherent receiver, and amplitude adjustment method

#38
20180069542
2018-03-08

Multi-level output driver with adjustable pre-distortion capability

#39
20180013385
2018-01-11

Microwave generator with power factor correction function and control method thereof

#40
20170353197
2017-12-07

Driver circuit for a passive resonant circuit, and transmitter device

#41
20170229974
2017-08-10

Converter for converting code-modulated power with conversion code, power transmission system, and controller

#42
20170170816
2017-06-15

Method and apparatus for pulse width modulation

#43
20170033918
2017-02-02

Collaborative clock and data recovery

#44
20160352315
2016-12-01

Low-power high-swing PAM4/PAM8 fast driver

#45
20160182030
2016-06-23

Pulse area modulation method and pulse area modulator using thereof

#46
20150256369
2015-09-10

OOK modulation device and wireless transmitting device including the same

#47
20150229271
2015-08-13

Current driven floating driver circuit

#48
20140184349
2014-07-03

Apparatus, system and method for configuring signal modulation

#49
20130336659
2013-12-19

Multiplexed pulse modulation using superposition

#50
20130285758
2013-10-31

Serial communication protocol for medical device

#51
20130243120
2013-09-19

ASK modulator and transmitter having the same

#52
20120183091
2012-07-19

Signal transmission device, electronic device, and signal transmission method

#53
20110298299
2011-12-08

Method and apparatus for interlaced amplitude pulsing using a hard-tube type pulse generator

#54
20090302899
2009-12-10

Differential inverse aliasing digital to analog converter

#55
20090174495
2009-07-09

CONTACTLESS IC CARD SYSTEM

#56
20090154544
2009-06-18

Amplifier modulation method and apparatus

#57
20090135974
2009-05-28

Impulse waveform generating apparatus and radio-frequency pulse waveform generating apparatus

#58
20090108951
2009-04-30

Methods and apparatus for reducing peak-to-RMS amplitude ratio in communication signals

#59
20080284450
2008-11-20

Arc wave generator for testing an arc-fault circuit interrupter

#60
20080150603
2008-06-26

Signal generation circuit, jitter injection circuit, semiconductor chip and test apparatus

#61
20070297531
2007-12-27

CONTACTLESS IC CARD SYSTEM

#62
20070216421
2007-09-20

Method of Generating High Voltages at Low Frequencies Using Small Transformers

#63
20070170985
2007-07-26

Contactless IC card system

#64
20060220759
2006-10-05

Contactless IC card system

#65
20060018375
2006-01-26

Polar signal processor to drive a segmented power amplifier and method therefore

#66
20060006955
2006-01-12

Contactless IC card system

#67
20050286652
2005-12-29

Transmit signal generator and method

#68
20050264333
2005-12-01

Efficient pulse amplitude modulation transmit modulation

#69
19359117
2026-03-10

Serdes transmitter and receiver utilizing single frequency phase amplitude modulation

#70
18160427
2024-06-25

Signal modulation circuit for solid state electronic device and circuit incorporating the same

#71
17322022
2022-07-19

Techniques for communicating multi-level signals

#72
16414327
2020-08-18

Programmable polar and cartesian radio frequency digital to analog converter

#73
16133456
2019-11-05

PAM-4 voltage-mode driver with stabilized output

#74
15661533
2019-10-29

System and method for generating plurality of short RF pulses

#75
15410566
2019-01-29

Low-power decision threshold control for high-speed signaling