H04M3/308 - CPC Classification Index

ClassID:

227579 ⎘

H04M3/308 - CPC Classification

Classification description:

Automatic or semi-automatic exchanges; Arrangements for supervision, monitoring or testing with means for applying test signals or for measuring; Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop Craftsperson test terminals

Recent Application in this class:

20150056980

2015-02-26

Transportable telecommunication interconnection device

20140211926

2014-07-31

Method and apparatus for transmission line testing

20140132292

2014-05-15

Test board

20130101092

2013-04-25

Handheld subscriber line test equipment

20130022177

2013-01-24

Phone test set modem

20120307982

2012-12-06

HOME WIRING TEST SYSTEM USING FREQUENCY-BASED MEASUREMENT TECHNIQUES

20120306895

2012-12-06

HOME WIRING TEST SYSTEMS AND METHOD

20120257726

2012-10-11

Multi-use telephone test sets and related systems

20120237001

2012-09-20

PHONE TEST SET TDR

#10

20120051524

2012-03-01

Phone test set modem

#11

20120008750

2012-01-12

Tool for testing distribution cabinets of a telephone network

#12

20120008504

2012-01-12

Telecommunication port testing apparatus

#13

20110018547

2011-01-27

Test instruments for pulse TDR, step TDR and transmission analysis

#14

20100327852

2010-12-30

Test apparatus for a broadband telecommunication network

#15

20100271039

2010-10-28

Apparatus for detecting imbalances in a paired line

#16

20100074415

2010-03-25

System and method for testing a DSL and POTS connection

#17

20100067666

2010-03-18

Multi-use telephone test sets and related systems and methods

#18

20090161561

2009-06-25

Method and system for determining characters of channels

#19

20090116622

2009-05-07

DEVICE, SYSTEM AND METHOD OF TELECOMMUNICATIONS WIRE PAIR QUALIFICATION

#20

20080294359

2008-11-27

Method and device for testing communication circuits

#21

20080219335

2008-09-11

Remote access integrated tester

#22

20080089400

2008-04-17

Method and apparatus for transmission line testing

#23

20080080676

2008-04-03

Method and system for evaluating analog telephone lines

#24

20080074122

2008-03-27

LINE ANALYZER WITH AUTOMATIC PAIR COMBINATION SEQUENCING

#25

20080056453

2008-03-06

Code violation generator and methods of generating code violations

#26

20080043927

2008-02-21

Automated telephone line test apparatus with intelligent diagnostic function

#27

20080013695

2008-01-17

SYSTEM AND METHOD FOR VERIFYING CENTRAL OFFICE WIRING ASSOCIATED WITH LINE SHARING

#28

20070223667

2007-09-27

Service request apparatus and service request process method

#29

20070136416

2007-06-14

Method and system for testing audio server

#30

20070033455

2007-02-08

Load testing of a telecommunication network

#31

20060227941

2006-10-12

OmniTester

#32

20060088141

2006-04-27

Method and apparatus for telephone line testing

#33

20060023845

2006-02-02

Methods and test sets for testing multi-line telecommunications service

#34

20050276398

2005-12-15

DSL tester

#35

20050226393

2005-10-13

Voice over DSL adapter for test equipment

#36

20050206791

2005-09-22

Apparatus for injecting electrical signals into lines or cables for location purposes

#37

20050135259

2005-06-23

Hand-held electronic tester for telecommunications networks

#38

20050036602

2005-02-17

System and method for auto sensing and provisioning two or four wire mode on a communications line with rate adaptation

#39

20050036586

2005-02-17

System and method for verifying central office wiring associated with line sharing

#40

20050013415

2005-01-20

Craft menu system using caller ID functionality for installation and testing

#41

14597967

2015-09-29

Digital subscriber line identification method