ClassID:

227572

H04M3/301 - 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 Circuit arrangements at the subscriber's side of the line

Recent Application in this class:
#1
20220317173
2022-10-06

Detecting a single wire interruption

#2
20200267255
2020-08-20

FAULT ANALYSIS DEVICE

#3
20160191118
2016-06-30

ENHANCING SINGLE-ENDED LOOP TESTING SIGNALS

#4
20140211926
2014-07-31

Method and apparatus for transmission line testing

#5
20120307983
2012-12-06

Home wiring test system with missing filter detection

#6
20120307982
2012-12-06

HOME WIRING TEST SYSTEM USING FREQUENCY-BASED MEASUREMENT TECHNIQUES

#7
20120306895
2012-12-06

HOME WIRING TEST SYSTEMS AND METHOD

#8
20120099629
2012-04-26

Communications Wiring Noise Level Monitor and Alarm Indicator

#9
20110055632
2011-03-03

Wireless diagnostic system

#10
20100182914
2010-07-22

Apparatus and method for testing and fault isolation in a communication network

#11
20080267169
2008-10-30

Method and system for remote diagnosis of a device over a communication network

#12
20080219335
2008-09-11

Remote access integrated tester

#13
20080177534
2008-07-24

Assessing gateway quality using audio systems

#14
20080123538
2008-05-29

System and method for debugging internet protocol phones

#15
20080089400
2008-04-17

Method and apparatus for transmission line testing

#16
20080080680
2008-04-03

Media terminal adapter (MTA) local ringback option

#17
20080057937
2008-03-06

Method and Apparatus to Troubleshoot Voice Over Internet Protocol (VolP)

#18
20080043633
2008-02-21

Method and system for performing EMTA loop diagnostics

#19
20070121520
2007-05-31

System and method for automated double-ended field management of DSL service

#20
20070116184
2007-05-24

Method for testing the integrity of a communication cable

#21
20060153070
2006-07-13

System and method for monitoring, controlling and provisioning a telecommunications access network

#22
20060143548
2006-06-29

Error detection and reporting

#23
20060088141
2006-04-27

Method and apparatus for telephone line testing

#24
20050251858
2005-11-10

Providing applets to remote devices in a communications network

#25
20050220033
2005-10-06

Apparatus and method for testing and fault isolation in a communication network

#26
20050027826
2005-02-03

Microserver test port retrofit kit

#27
15198841
2016-11-22

Detecting dial tone on a telephone line