H03C1/62 - CPC Classification Index

ClassID:

218865 ⎘

H03C1/62 - CPC Classification

Classification description:

Amplitude modulation Modulators in which amplitude of carrier component in output is dependent upon strength of modulating signal, e.g. no carrier output when no modulating signal is present

Recent Application in this class:

20250219879

2025-07-03

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

20250062940

2025-02-20

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

20210036657

2021-02-04

Oscillator device

20190103838

2019-04-04

MODULATOR AND MODULATION METHOD

20180301945

2018-10-18

Transmitter and microwave power transmission system

20160020938

2016-01-21

Methods and systems for down-converting a signal using a complementary transistor structure

20160013755

2016-01-14

Methods and systems for down-converting a signal

20150341196

2015-11-26

Method and system for down-converting and electromagnetic signal

20150312085

2015-10-29

Method and system for down-converting an electromagnetic signal

#10

20150312084

2015-10-29

Method and system for down-converting an electromagnetic signal

#11

20150295536

2015-10-15

Methods and systems for down-converting a signal

#12

20150244551

2015-08-27

Method and system for down-converting an electromagnetic signal

#13

20140241464

2014-08-28

Method and system for down-converting an electromagnetic signal, and transforms for same, and aperture relationships

#14

20130243120

2013-09-19

ASK modulator and transmitter having the same

#15

20120220254

2012-08-30

Methods and systems for down-converting a signal using a complementary transistor structure

#16

20120178389

2012-07-12

Systems, methods and devices for dual closed loop modulation controller for nonlinear RF amplifier

#17

20120170681

2012-07-05

Negative amplitude polar transmitter

#18

20110183640

2011-07-28

Method and system for down-converting an electromagnetic signal, and transforms for same, and aperture relationships

#19

20110151821

2011-06-23

Methods and systems for down-converting a signal using a complementary transistor structure

#20

20100056084

2010-03-04

Up-conversion based on gated information signal

#21

20090258613

2009-10-15

Systems, methods and devices for dual closed loop modulation controller for nonlinear RF amplifier

#22

20090203345

2009-08-13

Method and system for down-converting an electromagnetic signal, transforms for same, and aperture relationships

#23

20090098839

2009-04-16

Transmitter and communication apparatus

#24

20080272441

2008-11-06

Method and circuit for down-converting a signal

#25

20080182544

2008-07-31

Converting an electromagnetic signal via sub-sampling

#26

20070259627

2007-11-08

Method and system for frequency up-conversion with modulation embodiments

#27

20070243838

2007-10-18

Systems, methods and devices for dual closed loop modulation controller for nonlinear RF amplifier

#28

20070105510

2007-05-10

Apparatus and method for communicating an input signal in polar representation

#29

20060252388

2006-11-09

Digital amplitude modulation transmitter with pulse width modulating RF drive

#30

20060141975

2006-06-29

Methods and systems for down-converting a signal using a complementary transistor structure

#31

20050272395

2005-12-08

Method and circuit for down-converting a signal

#32

20050215207

2005-09-29

Method and system for frequency up-conversion with a variety of transmitter configurations

#33

20050202797

2005-09-15

Methods and systems for down-converting a signal using a complementary transistor structure

#34

20050136861

2005-06-23

Method and system for frequency up-conversion with modulation embodiments

#35

20050064827

2005-03-24

Amplifier power control in frequency hopping applications and methods

#36

20050009494

2005-01-13

Method and system for down-converting and up-converting an electromagnetic signal, and transforms for same