Assignee
INT MOBILE MACHINES
US·39 granted patents·3,127 citations·filing 1974–1992
Top patents by PatentIndex Score
39 records- 0199US4675863ASubscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channelsINT MOBILE MACHINES·Filed 1985·Granted Jun 23, 1987·458 cites·18 claims
- 0298US5022024ASubscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channelsINT MOBILE MACHINES·Filed 1989·Granted Jun 4, 1991·306 cites·10 claims
- 0398US4912705ASubscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channelsINT MOBILE MACHINES·Filed 1989·Granted Mar 27, 1990·349 cites·4 claims
- 0498US4817089ASubscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channelsINT MOBILE MACHINES·Filed 1987·Granted Mar 28, 1989·317 cites·15 claims
- 0597US5121391ASubscriber RF telephone system for providing multiple speech and/or data singals simultaneously over either a single or a plurality of RF channelsINT MOBILE MACHINES·Filed 1989·Granted Jun 9, 1992·280 cites·2 claims
- 0695US4825448ASubscriber unit for wireless digital telephone systemINT MOBILE MACHINES·Filed 1986·Granted Apr 25, 1989·82 cites·10 claims
- 0794US4893317ADigital signals and frequency correction in a digital wireless systemINT MOBILE MACHINES·Filed 1988·Granted Jan 9, 1990·60 cites·1 claims
- 0893US5119375ASubscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channelsINT MOBILE MACHINES·Filed 1990·Granted Jun 2, 1992·142 cites·224 claims
- 0987US4953197ACombination spatial diversity systemINT MOBILE MACHINES·Filed 1988·Granted Aug 28, 1990·120 cites·8 claims
- 1087US4785450AApparatus and method for obtaining frequency agility in digital communication systemsINT MOBILE MACHINES·Filed 1987·Granted Nov 15, 1988·121 cites·8 claims
- 1185US5008900ASubscriber unit for wireless digital subscriber communication systemINT MOBILE MACHINES·Filed 1989·Granted Apr 16, 1991·131 cites·8 claims
- 1282US5072308ACommunication signal compression system and methodINT MOBILE MACHINES·Filed 1990·Granted Dec 10, 1991·75 cites·36 claims
- 1380US4006316ACode-controlled detection and function actuating systemINT MOBILE MACHINES·Filed 1975·Granted Feb 1, 1977·37 cites·11 claims
- 1478US4974099ACommunication signal compression system and methodINT MOBILE MACHINES·Filed 1989·Granted Nov 27, 1990·47 cites·57 claims
- 1577US4881240AAM equalizer circuit for digital systemsINT MOBILE MACHINES·Filed 1988·Granted Nov 14, 1989·19 cites·5 claims
- 1677US4644561AModem for RF subscriber telephone systemINT MOBILE MACHINES·Filed 1985·Granted Feb 17, 1987·42 cites·24 claims
- 1775US4811420AInitialization of communication channel between a subsciber station and a base station in a subscriber communication systemINT MOBILE MACHINES·Filed 1987·Granted Mar 7, 1989·113 cites·17 claims
- 1875US4777633ABase station for wireless digital telephone systemINT MOBILE MACHINES·Filed 1987·Granted Oct 11, 1988·125 cites·15 claims
- 1970US4996697ADeglitching means for digital communication systemsINT MOBILE MACHINES·Filed 1988·Granted Feb 26, 1991·13 cites·1 claims
- 2069US5101418ADigital time-multiplexed quadrature frequency upconverterINT MOBILE MACHINES·Filed 1988·Granted Mar 31, 1992·13 cites·1 claims
- 2168US4764940AModem for RF subscriber telephone systemINT MOBILE MACHINES·Filed 1986·Granted Aug 16, 1988·28 cites·4 claims
- 2267US5168507AAutomatic adaptive equalizerINT MOBILE MACHINES·Filed 1989·Granted Dec 1, 1992·22 cites·22 claims
- 2367US4935927ABase station emulatorINT MOBILE MACHINES·Filed 1987·Granted Jun 19, 1990·73 cites·2 claims
- 2464US5159705AFrequency synthesizer circuitINT MOBILE MACHINES·Filed 1992·Granted Oct 27, 1992·13 cites·19 claims
- 2564US4994802ASubscriber unit for wireless digital telephone systemINT MOBILE MACHINES·Filed 1988·Granted Feb 19, 1991·14 cites·1 claims
- 2663US5146473ASubscriber unit for wireless digital subscriber communication systemINT MOBILE MACHINES·Filed 1991·Granted Sep 8, 1992·14 cites·8 claims
- 2757US3936617ACode-controlled ringer attachment for telephonesINT MOBILE MACHINES·Filed 1974·Granted Feb 3, 1976·10 cites·8 claims
- 2856US5177741ASubscriber unit for wireless digital telephone systemINT MOBILE MACHINES·Filed 1988·Granted Jan 5, 1993·7 cites·2 claims
- 2955US4779262AConnection of subscriber communication network base station to external information networkINT MOBILE MACHINES·Filed 1986·Granted Oct 18, 1988·20 cites·4 claims
- 3054US5212830ARadio frequency communications systemINT MOBILE MACHINES·Filed 1991·Granted May 18, 1993·37 cites·10 claims
- 3151US4943983ASubscriber unit for wireless digital telephone systemINT MOBILE MACHINES·Filed 1988·Granted Jul 24, 1990·4 cites·1 claims
- 3251US4785260AFrequency synthesizer for broadcast telephone system having multiple assignable frequency channelsINT MOBILE MACHINES·Filed 1986·Granted Nov 15, 1988·10 cites·4 claims
- 3349US4862107AFrequency synthesizer for broadcast telephone system having multiple assignable frequency channelsINT MOBILE MACHINES·Filed 1988·Granted Aug 29, 1989·9 cites·2 claims
- 3445USD279003SCode attachment housing for a telephone standINT MOBILE MACHINES·Filed 1982·Granted May 28, 1985·3 cites·1 claims
- 3538US4940956ABand-pass filter and support structure thereforINT MOBILE MACHINES·Filed 1988·Granted Jul 10, 1990·4 cites·11 claims
- 3638US4439638ASound-activated code-controlled detection system for telephones and the likeINT MOBILE MACHINES·Filed 1982·Granted Mar 27, 1984·5 cites·10 claims
- 3732US4446339ARotary dial decoderINT MOBILE MACHINES·Filed 1982·Granted May 1, 1984·2 cites·6 claims
- 3831US4081130AFilter-type pulse detection meansINT MOBILE MACHINES·Filed 1976·Granted Mar 28, 1978·1 cites·6 claims
- 3930US4001708ACode-controlled ringer attachment for telephones including a-peak-to-peak gain controlled amplifierINT MOBILE MACHINES·Filed 1975·Granted Jan 4, 1977·1 cites·2 claims
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