H04R27/02 - CPC Classification Index

#1

20210168538

2021-06-03

HEARING AID CONFIGURED TO BE OPERATING IN A COMMUNICATION SYSTEM

#2

20210051423

2021-02-18

Hearing instrument with an authentication protocol

#3

20200389748

2020-12-10

Method for live public address, in a helmet, taking into account the auditory perception characteristics of the listener

#4

20190181822

2019-06-13

Metadata for ducking control

#5

20190149928

2019-05-16

Hearing aid configured to be operating in a communication system

#6

20190071280

2019-03-07

Elevator sound systems

#7

20180324516

2018-11-08

Personalization of auditory stimulus

#8

20180124527

2018-05-03

HEARING ASSISTANCE METHOD UTILIZING A BROADCAST AUDIO STREAM

#9

20180115845

2018-04-26

Indicator device for a hearing loop

#10

20180006752

2018-01-04

Wireless sound transmission system and method

#11

20180006621

2018-01-04

Metadata for ducking control

#12

20170347181

2017-11-30

Personalization of auditory stimulus

#13

20170339496

2017-11-23

Methods for hearing-assist systems in various venues

#14

20170295573

2017-10-12

Multiple transmission network

#15

20170257712

2017-09-07

Hearing aid configured to be operating in a communication system

#16

20170064434

2017-03-02

Personalization of auditory stimulus

#17

20160321030

2016-11-03

System for optimization of music listening

#18

20160142912

2016-05-19

Hearing instrument with an authentication protocol

#19

20160094920

2016-03-31

ASSISTIVE LISTENING SYSTEM AND METHOD FOR TELEVISION, RADIO & MUSIC SYSTEMS

#20

20150289066

2015-10-08

Hearing instrument with a separate link

#21

20150280676

2015-10-01

Metadata for ducking control

#22

20150195660

2015-07-09

Control device for induction loop system

#23

20150146896

2015-05-28

Elevator system and method for implementing a sound system for an elevator

#24

20130208931

2013-08-15

Hearing device

#25

20130129126

2013-05-23

Hearing assistance system and method

#26

20120300958

2012-11-29

Method of identifying a wireless communication channel in a sound system

#27

20110216919

2011-09-08

ASSISTIVE-LISTENING SYSTEM AND METHOD FOR TELEVISION, RADIO & MUSIC SYSTEMS

#28

20100166209

2010-07-01

Companion microphone system and method

#29

20100136930

2010-06-03

Radio Transmission Apparatus and Control Apparatus for Events Rooms as Well as Corresponding Method

#30

20090279725

2009-11-12

RADIO WITH HEARING LOSS COMPENSATION

#31

20090003637

2009-01-01

Communication system

#32

20080298614

2008-12-04

System for and Method of Offering an Optimized Sound Service to Individuals within a Place of Business

#33

20080069379

2008-03-20

ASSISTIVE-LISTENING SYSTEM AND METHOD FOR TELEVISION, RADIO & MUSIC SYSTEMS

#34

20070249289

2007-10-25

Radio transmission apparatus and control apparatus for events rooms as well as corresponding method

#35

20070086601

2007-04-19

Flexible wireless air interface system

#36

20070081683

2007-04-12

Physiologically-Based Signal Processing System and Method