Assignee
AG COMMUNICATION SYSTEMS
US96 patents
Top patents by PatentIndex Score
US5542070AJul 30, 1996
Method for rapid development of software systems
AG COMMUNICATION SYSTEMS201 citations96
US5214650AMay 25, 1993
Simultaneous voice and data system using the existing two-wire inter-face
AG COMMUNICATION SYSTEMS201 citations96
US5019939AMay 28, 1991
Thermal management plate
AG COMMUNICATION SYSTEMS55 citations96
US5898917AApr 27, 1999
System for providing enhanced services in cellular radio telecommunication systems using #CCSC based triggers
AG COMMUNICATION SYSTEMS182 citations94
US5175764ADec 29, 1992
Enhanced high voltage line interface circuit
AG COMMUNICATION SYSTEMS91 citations94
US5978373ANov 2, 1999
Wide area network system providing secure transmission
AG COMMUNICATION SYSTEMS195 citations93
US5727057AMar 10, 1998
Storage, transmission, communication and access to geographical positioning data linked with standard telephony numbering and encoded for use in telecommunications and related services
AG COMMUNICATION SYSTEMS765 citations92
US4991170AFeb 5, 1991
Circuit for interfacing a digital signal processor to a serial interface controller
AG COMMUNICATION SYSTEMS71 citations92
US4978912ADec 18, 1990
Chip carrier socket test probe
AG COMMUNICATION SYSTEMS30 citations92
US4863388ASep 5, 1989
Rotating contact ZIF connector
AG COMMUNICATION SYSTEMS31 citations92
US5875231AFeb 23, 1999
Telephone call on hold service for a party placed on hold by another party
AG COMMUNICATION SYSTEMS109 citations91
US5323460AJun 21, 1994
Enhanced subscriber line interface circuit
AG COMMUNICATION SYSTEMS41 citations91
US5253291AOct 12, 1993
Hybrid balance and combination codec filter circuit
AG COMMUNICATION SYSTEMS46 citations91
US5058141AOct 15, 1991
Single circuit for detecting a frame synchronization pattern and generating control signals
AG COMMUNICATION SYSTEMS23 citations91
US5249188ASep 28, 1993
Synchronizing two processors as an integral part of fault detection
AG COMMUNICATION SYSTEMS57 citations90
US4979108ADec 18, 1990
Task synchronization arrangement and method for remote duplex processors
AG COMMUNICATION SYSTEMS53 citations90
US5208803AMay 4, 1993
Circuit for testing digital lines
AG COMMUNICATION SYSTEMS31 citations89
US6075855AJun 13, 2000
Method of accessing a SCP in an ISUP network with partial release
AG COMMUNICATION SYSTEMS136 citations88
US5946378AAug 31, 1999
Information on hold telephony service
AG COMMUNICATION SYSTEMS50 citations88
US5828735AOct 27, 1998
Games on hold telephony service
AG COMMUNICATION SYSTEMS27 citations88
US5191514AMar 2, 1993
Printed circuit card guide with locking hook
AG COMMUNICATION SYSTEMS40 citations88
US5120909AJun 9, 1992
Terminating devices detection and verification circuit
AG COMMUNICATION SYSTEMS29 citations88
US5119365AJun 2, 1992
Bi-directional buffer line amplifier
AG COMMUNICATION SYSTEMS41 citations87
US4956911ASep 18, 1990
Tool for repairing surface mounted components on printed circuit board
AG COMMUNICATION SYSTEMS25 citations87
US4866703ASep 12, 1989
Integrated services digital network module
AG COMMUNICATION SYSTEMS35 citations86
US5944432AAug 31, 1999
Device for providing disposable sanitary keyboard covers
AG COMMUNICATION SYSTEMS55 citations85
US5729678AMar 17, 1998
Bus monitor system
AG COMMUNICATION SYSTEMS53 citations83
US4964019AOct 16, 1990
Multilayer bonding and cooling of integrated circuit devices
AG COMMUNICATION SYSTEMS19 citations82
US4848639AJul 18, 1989
Compliant pad for use in tape automated bonding process
AG COMMUNICATION SYSTEMS22 citations82
US5854794ADec 29, 1998
Digital transmission framing system
AG COMMUNICATION SYSTEMS42 citations81
US5808486ASep 15, 1998
Glitch free clock enable circuit
AG COMMUNICATION SYSTEMS42 citations81
US5956379ASep 21, 1999
Digital phase lock detector and low-pass filter selector
AG COMMUNICATION SYSTEMS23 citations80
US5058112AOct 15, 1991
Programmable fault insertion circuit
AG COMMUNICATION SYSTEMS23 citations80
US4961219AOct 2, 1990
Circuit for synthesizing an impedance across the tip and ring leads of a telephone line circuit
AG COMMUNICATION SYSTEMS21 citations80
US5210934AMay 18, 1993
Extraction tool for high density cable connectors
AG COMMUNICATION SYSTEMS20 citations76
US5206795AApr 27, 1993
Compliant connection for substrates
AG COMMUNICATION SYSTEMS16 citations74
US5154631AOct 13, 1992
Substrate mounting device
AG COMMUNICATION SYSTEMS9 citations74
US4985748AJan 15, 1991
Universal tape for use in tape automated bonding system
AG COMMUNICATION SYSTEMS15 citations74
US4903168AFeb 20, 1990
Substrate carrier device
AG COMMUNICATION SYSTEMS8 citations74
US5140616AAug 18, 1992
Network independent clocking circuit which allows a synchronous master to be connected to a circuit switched data adapter
AG COMMUNICATION SYSTEMS13 citations73
US4987516AJan 22, 1991
Substrate carrier device
AG COMMUNICATION SYSTEMS15 citations73
US5796594AAug 18, 1998
Interlocking circuit card faceplate for reduced EMI emissions
AG COMMUNICATION SYSTEMS9 citations72
US5353198AOct 4, 1994
Side plates for retrofit card file adapter assembly
AG COMMUNICATION SYSTEMS9 citations72
US5261827ANov 16, 1993
Movable shroud center standoff
AG COMMUNICATION SYSTEMS15 citations71
US5133256AJul 28, 1992
Printer plate locating device
AG COMMUNICATION SYSTEMS14 citations71
US5283827AFeb 1, 1994
Digital line card for interfacing a remotely located digital telephone to a central office system
AG COMMUNICATION SYSTEMS7 citations70
US5251313AOct 5, 1993
Method of bit rate adaption using the ECMA 102 protocol
AG COMMUNICATION SYSTEMS13 citations70
US5228081AJul 13, 1993
Ringing signal control circuit for an enhanced subscriber line interface
AG COMMUNICATION SYSTEMS11 citations70
US5163090ANov 10, 1992
Over-current verifier circuit for an enhanced subscriber line interface
AG COMMUNICATION SYSTEMS10 citations70
US4926115AMay 15, 1990
Unique phase difference measuring circuit
AG COMMUNICATION SYSTEMS13 citations70
Showing the top 50 of 96 patents by PatentIndex Score.