Patent assignee · US · COMPANY

Wescom Switching, Inc.

16Patents
0Active
16Granted
35Portfolio score

Filing activity: Mar 11, 1976 → Jun 15, 1979

Most-cited patents

PatentTitleAreaCited byStatus
US4256926A Microprocessor control complex for a telecommunication switching system Electricity 68 Expired
US4259549A Dialed number to function translator for telecommunications switching system control complex Physics 59 Expired
US4064377A Electronic hybrid and hybrid repeater Electricity 53 Expired
US4359679A Switching d-c. regulator and load-sharing system for multiple regulators Electricity 52 Expired
US4377843A Data distribution interface Physics 52 Expired
US4289934A Integrated automatic call distribution facility and PBX system Electricity 45 Expired
US4257119A PCM switching system for wide and narrow band signals Electricity 39 Expired
US4149038A Method and apparatus for fault detection in PCM muliplexed system Electricity 38 Expired
US4154988A Method and means for accessing program memory of a common control telecommunications switching system Electricity 37 Expired
US4146749A Telecommunications network having multi-function spare network block Electricity 31 Expired
US4267593A Method and means for digital conferencing Electricity 30 Expired
US4205203A Methods and apparatus for digitally signaling sounds and tones in a PCM multiplex system Electricity 29 Expired
US4266292A Method and apparatus for testing analog-to-digital and digital-to-analog code converters Electricity 19 Expired
US4140882A Methods and apparatus for special status indication in telephone systems Emerging Cross-Sectional Technologies 14 Expired
US4185250A Voice frequency RC active filter Electricity 6 Expired
US4218589A Method and apparatus for testing tone generators Electricity 0 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.