ClassID:

223428

H04B1/68 - CPC Classification

Classification description:

Details of transmission systems, not covered by a single one of groups - ; Details of transmission systems not characterised by the medium used for transmission for wholly or partially suppressing the carrier or one side band

Recent Application in this class:
#1
20250202515
2025-06-19

SINGLE-SIDEBAND PHASE-SENSITIVE DETECTION METHOD AND SYSTEM

#2
20240421847
2024-12-19

SYNTHESIZING COMPOSITE SIGNALS

#3
20240340030
2024-10-10

DIGITAL CANCELLATION OF CIM3 DISTORTION FOR DIGITAL TRANSMITTERS

#4
20240297681
2024-09-05

METHOD AND APPARATUS FOR CHANNEL AGGREGATION AND SINGLE SIDEBAND TRANSMISSION

#5
20240224090
2024-07-04

FREQUENCY DEPENDENT RESIDUAL SIDEBAND INDICATIONS

#6
20240214155
2024-06-27

FREQUENCY DEPENDENT RESIDUAL SIDE BAND CORRECTION

#7
20240214083
2024-06-27

FREQUENCY DEPENDENT RESIDUAL SIDE BAND TRAINING SIGNALS

#8
20240097713
2024-03-21

METHODS AND DEVICES FOR SELECTIVELY AMPLIFYING MULTIPLE CARRIERS IN DIFFERENT FREQUENCY BANDS

#9
20230318643
2023-10-05

APPARATUS, SYSTEM AND METHOD OF TRANSMITTING A WIDEBAND RADIO FREQUENCY (RF) TRANSMIT (TX) SIGNAL

#10
20200403290
2020-12-24

Reflective microstrip tuning circuit

#11
20190280777
2019-09-12

Signal processing method, apparatus, and optical fiber transmission system

#12
20180213599
2018-07-26

Operation in an environment with two different radio access technologies

#13
20170207813
2017-07-20

Single RF PA chain for CA FDD-TDD and TDD TX

#14
20170093458
2017-03-30

ONLINE RESIDUAL SIDE BAND (RSB) CALIBRATION UTILIZING A FREQUENCY CORRECTION CHANNEL (FCCH)

#15
20160191110
2016-06-30

Peak to average power ratio reduction of OFDM signals

#16
20160164569
2016-06-09

Frequency conversion system with improved spurious response and frequency agility

#17
20160056848
2016-02-25

Single-sideband transmitter using class-S amplifier

#18
20150171916
2015-06-18

Mobile device with antenna and capacitance sensing system with slotted metal bezel

#19
20150131745
2015-05-14

Digital television transmitting/receiver and method of processing data in digital television transmitter/receiver

#20
20150093999
2015-04-02

Device configuration using interference

#21
20150031305
2015-01-29

Radio network with a low power consumption and method for operating such a radio network

#22
20140362950
2014-12-11

Crest factor reduction of inter-band carrier aggregated signals

#23
20140295773
2014-10-02

TRANSMITTER FOR WAKING UP ELECTRONIC SYSTEMS, RECEIVER, AIRCRAFT AND SPACECRAFT AND METHOD

#24
20110170616
2011-07-14

Digital television transmitter/receiver and method of processing data in digital television transmitter/receiver

#25
20100316138
2010-12-16

Digital television transmitter and method of coding data in digital television transmitter

#26
20100080318
2010-04-01

SYSTEM AND METHOD FOR IMPROVED FREQUENCY ESTIMATION FOR HIGH-SPEED COMMUNICATION

#27
20090086808
2009-04-02

Equalization and decision-directed loops with trellis demodulation in high definition TV

#28
20090026266
2009-01-29

Coil pair with carrier suppression

#29
20090017780
2009-01-15

RESIDUAL CARRIER AND SIDE BAND PROCESSING SYSTEM AND METHOD

#30
20080182519
2008-07-31

Method and System for Robust Single Sideband LO Generation

#31
20070217499
2007-09-20

Robust DTV signals that can overcome burst errors up to 1040 bytes or more in length

#32
20070201353
2007-08-30

Computational circuits and methods for processing modulated signals having non-constant envelopes

#33
20070092036
2007-04-26

8-Vsb like backward-compatible robust stream modulation for atsc digital tv transmission

#34
20070092034
2007-04-26

Trellis encoding device for encoding transmission stream and method thereof

#35
20070081595
2007-04-12

Digital television transmitter/receiver and method of processing data in digital television transmitter/receiver

#36
20070071110
2007-03-29

Digital television transmitter and method of coding data in digital television transmitter

#37
20070047668
2007-03-01

Single side band modulator module and single side band modulator device using the same

#38
20060284669
2006-12-21

Noise shaping technique for spread spectrum communications

#39
20060245514
2006-11-02

Modulation device, demodulation device, modulation method and demodulation method

#40
20060199551
2006-09-07

Single RF oscillator single-side band modulation for RFID readers using tone insertion during reader reception

#41
20060009170
2006-01-12

Numerical control of sideband energy and modulation compression method for the radio frequency transmission of high speed data

#42
20050105651
2005-05-19

Dual mode QAM/VSB receiver

#43
20050101269
2005-05-12

Residual carrier and side band processing system and method

#44
20050075089
2005-04-07

Image rejection mixer and multiband generator

#45
17380762
2022-11-08

Technique for efficient soft-decision demodulation of HE-CPM

#46
16822992
2020-10-06

High-entropy continuous phase modulation data transmitter

#47
15956499
2019-07-30

Apparatus and receiver for receiving RF analog signals