ClassID:

223358

H04B1/1646 - 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; Receivers; Circuits adapted for the reception of stereophonic signals

Sub-classes:
Recent Application in this class:
#1
20260037215
2026-02-05

AI-BASED DJ SYSTEM AND METHOD FOR DECOMPOSING, MIXING AND PLAYING OF AUDIO DATA

#2
20250211274
2025-06-26

Audio Playback Management of Multiple Concurrent Connections

#3
20250096911
2025-03-20

ANTENNA ATTITUDE FAST MEASUREMENT SYSTEM AND METHOD THEREOF

#4
20240372573
2024-11-07

METHODS, CIRCUITS, SYSTEMS AND APPARATUS PROVIDING AUDIO SENSITIVITY ENHANCEMENT IN A WIRELESS RECEIVER, POWER MANAGEMENT AND OTHER PERFORMANCES

#5
20240283478
2024-08-22

METHOD FOR WIRELESS WI-FI TRANSMISSION OF DIGITAL SOUND WITH SOUND SYNCHRONIZING TECHNOLOGY APPLIED

#6
20240137060
2024-04-25

Audio Playback Management of Multiple Concurrent Connections

#7
20230336200
2023-10-19

Methods, circuits, systems and apparatus providing audio sensitivity enhancement in a wireless receiver, power management and other performances

#8
20230089356
2023-03-23

AI-BASED DJ SYSTEM AND METHOD FOR DECOMPOSING, MISING AND PLAYING OF AUDIO DATA

#9
20230016243
2023-01-19

AUDIO TRANSMISSION METHOD AND ELECTRONIC DEVICE

#10
20220345233
2022-10-27

Method for testing in-vehicle radio broadcast receiver device

#11
20220269476
2022-08-25

Method and device for audio crossfades using decomposed signals

#12
20220209807
2022-06-30

Methods, circuits, systems and apparatus providing audio sensitivity enhancement in a wireless receiver, power management and other performances

#13
20220103941
2022-03-31

Audio playback management of multiple concurrent connections

#14
20220103199
2022-03-31

Audio playback management of multiple concurrent connections

#15
20210326102
2021-10-21

METHOD AND DEVICE FOR DETERMINING MIXING PARAMETERS BASED ON DECOMPOSED AUDIO DATA

#16
20210306784
2021-09-30

AUDIO FIELD ADJUSTING METHOD AND APPARATUS

#17
20210294567
2021-09-23

Transition functions of decomposed signals

#18
20200336163
2020-10-22

Methods, circuits, systems and apparatus providing audio sensitivity enhancement in a wireless receiver, power management and other performances

#19
20200145040
2020-05-07

Demodulation apparatus, reception apparatus, and demodulation method

#20
20180248578
2018-08-30

Method and dual band radio receiver for handling analog dual band radio signal

#21
20170366211
2017-12-21

Electronic device having FM antenna and method for switching FM antenna

#22
20170097284
2017-04-06

Process for testing a compressor or a combustor of a gas turbine engine using a large compressed air storage reservoir

#23
20160373280
2016-12-22

DARC signal demodulation circuit arrangement and method for operating same

#24
20160302021
2016-10-13

Method, medium, and system decoding and encoding a multi-channel signal

#25
20150194979
2015-07-09

Analog and audio mixed-signal front end for 4G/LTE cellular system-on-chip

#26
20150188493
2015-07-02

FM receiver that receives fm signal and method for receiving FM signal

#27
20150137883
2015-05-21

Adaptive FM demodulator supporting multiple modes

#28
20150118982
2015-04-30

Radio with a switched mode power supply

#29
20140348328
2014-11-27

Signal quality estimation and control

#30
20140335809
2014-11-13

Methods, circuits, systems and apparatus providing audio sensitivity enhancement in a wireless receiver, power management and other performances

#31
20140335807
2014-11-13

Methods, circuits, systems and apparatus providing audio sensitivity enhancement in a wireless receiver, power management and other performances

#32
20130231070
2013-09-05

Radio preset key assignment method and apparatus

#33
20120257694
2012-10-11

Methods, circuits, systems and apparatus providing audio sensitivity enhancement in a wireless receiver, power management and other performances

#34
20120122413
2012-05-17

Radio receiver

#35
20110216855
2011-09-08

Receiver architectures for digital radio broadcasts and associated methods

#36
20110110529
2011-05-12

WIRELESS AUDIO SYSTEM

#37
20110110464
2011-05-12

Radio broadcast receiver

#38
20110047569
2011-02-24

SYSTEM AND METHOD OF PROVIDING IMPROVED RECEPTION OF BROADCAST SIGNALS

#39
20100285765
2010-11-11

Signal analysis for an improved detection of noise from an adjacent channel

#40
20100151807
2010-06-17

FM signal quality measurement

#41
20090275300
2009-11-05

Receiver and receiving method of FM signal

#42
20090253459
2009-10-08

Mobile communication terminal and method of controlling transmission characteristic thereof

#43
20090245440
2009-10-01

Output circuitry for minimizing spurious frequency content

#44
20090124230
2009-05-14

System and method for decoding RDS/RBDS data

#45
20090082886
2009-03-26

Audio System And Audio Processing Method

#46
20090054022
2009-02-26

Semiconductor device for use in radio tuner and method for manufacturing the same

#47
20080291991
2008-11-27

Radio receiver having a channel equalizer and method therefor

#48
20080290970
2008-11-27

Device for monitoring multiple broadcast signals

#49
20080232480
2008-09-25

Receiver architectures for digital radio broadcasts and associated methods

#50
20080166987
2008-07-10

Method and device for processing signals received by a receiver of radiophonic signals and car radio comprising such a device

#51
20080096502
2008-04-24

Radio preset key assignment method and apparatus

#52
20080051918
2008-02-28

Broadcast AM receiver, FM receiver and/or FM transmitter with integrated stereo audio codec, headphone drivers and/or speaker drivers

#53
20080051131
2008-02-28

Method and system for transporting FM data over a Bluetooth HCI link

#54
20080030271
2008-02-07

Stereo Separation Adjustment Circuit And Mos Integrated Circuit Thereof

#55
20070243834
2007-10-18

Oscillation controlling apparatus, recording medium having program recorded thereon, and channel selecting apparatus

#56
20070189426
2007-08-16

Method, medium, and system decoding and encoding a multi-channel signal

#57
20060205362
2006-09-14

Audio signal transmitting apparatus

#58
20060197694
2006-09-07

Integrated circuit with reduced coupling noise

#59
20060192707
2006-08-31

Integrated circuit with reduced analog coupling noise

#60
20060040627
2006-02-23

Fm receiver, noise eliminating apparatus of fm receiver, and noise eliminating method thereof

#61
20060008090
2006-01-12

Separation adjusting circuit

#62
20050105645
2005-05-19

Receiver with a signal path

#63
20050014478
2005-01-20

Radio human-machine interface using knobs and menu picks

#64
13618082
2016-05-31

System and method for detecting rated maximum system deviation (RMSD) and alleviating RMSD mismatch