H04M2201/26 - CPC Classification Index

ClassID:

228074 ⎘

H04M2201/26 - CPC Classification

Classification description:

Electronic components, circuits, software, systems or apparatus used in telephone systems A/D convertors

Recent Application in this class:

20220360960

2022-11-10

Device pairing taking into account at least one condition

20200241138

2020-07-30

PROXIMITY SENSOR, PARTICULARLY FOR MOBILE DEVICES LIKE SMARTPHONES, TABLETS OR THE LIKE

20200178056

2020-06-04

Device pairing taking into account at least one condition

20190238683

2019-08-01

Retrofit digital network speaker system

20190159004

2019-05-23

Device pairing with a dual use piezoelectric acoustic component and vibration sensor

20190075443

2019-03-07

Device pairing taking into account at least one condition

20180139330

2018-05-17

Retrofit digital network speaker system

20180077278

2018-03-15

Signal processing device, non-transitory computer-readable storage medium, signal processing method, and telephone apparatus

20170214780

2017-07-27

Device pairing with a dual use piezoelectric acoustic component and vibration sensor

#10

20170208425

2017-07-20

Device pairing taking into account at least one condition

#11

20170201931

2017-07-13

Methods and apparatus for improved low energy data communications

#12

20140066022

2014-03-06

Service server apparatus, service providing method, and service providing program

#13

20130148646

2013-06-13

SYSTEMS AND METHODS OF PROVIDING COMMUNICATIONS SERVICES

#14

20090051649

2009-02-26

Wearable display interface client

#15

20090022283

2009-01-22

Telephone call processing method and apparatus

#16

15354211

2018-01-30

Retrofit digital network speaker system