Assignee
WESCOM SWITCHING
16 patents
Top patents by PatentIndex Score
US4359679ANov 16, 1982
Switching d-c. regulator and load-sharing system for multiple regulators
WESCOM SWITCHING74 citations96
US4257119AMar 17, 1981
PCM switching system for wide and narrow band signals
WESCOM SWITCHING60 citations96
US4064377ADec 20, 1977
Electronic hybrid and hybrid repeater
WESCOM SWITCHING73 citations96
US4256926AMar 17, 1981
Microprocessor control complex for a telecommunication switching system
WESCOM SWITCHING81 citations95
US4259549AMar 31, 1981
Dialed number to function translator for telecommunications switching system control complex
WESCOM SWITCHING83 citations93
US4267593AMay 12, 1981
Method and means for digital conferencing
WESCOM SWITCHING32 citations92
US4154988AMay 15, 1979
Method and means for accessing program memory of a common control telecommunications switching system
WESCOM SWITCHING45 citations91
US4149038AApr 10, 1979
Method and apparatus for fault detection in PCM muliplexed system
WESCOM SWITCHING61 citations91
US4289934ASep 15, 1981
Integrated automatic call distribution facility and PBX system
WESCOM SWITCHING50 citations90
US4146749AMar 27, 1979
Telecommunications network having multi-function spare network block
WESCOM SWITCHING35 citations89
US4377843AMar 22, 1983
Data distribution interface
WESCOM SWITCHING67 citations85
US4205203AMay 27, 1980
Methods and apparatus for digitally signaling sounds and tones in a PCM multiplex system
WESCOM SWITCHING32 citations85
US4185250AJan 22, 1980
Voice frequency RC active filter
WESCOM SWITCHING21 citations82
US4266292AMay 5, 1981
Method and apparatus for testing analog-to-digital and digital-to-analog code converters
WESCOM SWITCHING24 citations81
US4140882AFeb 20, 1979
Methods and apparatus for special status indication in telephone systems
WESCOM SWITCHING23 citations75
US4218589AAug 19, 1980
Method and apparatus for testing tone generators
WESCOM SWITCHING0 citations51