Assignee
NORTHERN ELECTRIC CO
64 granted patents·1,474 citations·filing 1974–1977
Top patents by PatentIndex Score
64 records- 0197US4029916AMulti-contact push-button switch and plural embodiment for keyboard switch assemblyNORTHERN ELECTRIC CO·Filed 1975·Granted Jun 14, 1977·89 cites·6 claims
- 0296US3981023AIntegral lens light emitting diodeNORTHERN ELECTRIC CO·Filed 1974·Granted Sep 14, 1976·108 cites·6 claims
- 0393US4150428AMethod for providing a substitute memory in a data processing systemNORTHERN ELECTRIC CO·Filed 1974·Granted Apr 17, 1979·84 cites·2 claims
- 0493US3996429AMulti-contact push-button switch having plural prestressed contact members designed to provide plural circuit simultaneous switching inputsNORTHERN ELECTRIC CO·Filed 1975·Granted Dec 7, 1976·70 cites·3 claims
- 0591US3946467AClamp for an optical fibreNORTHERN ELECTRIC CO·Filed 1974·Granted Mar 30, 1976·65 cites·7 claims
- 0689US4069399ATDM PCM Communication systemNORTHERN ELECTRIC CO·Filed 1975·Granted Jan 17, 1978·54 cites·8 claims
- 0789US3968564AAlignment of optical fibers to light emitting diodesNORTHERN ELECTRIC CO·Filed 1975·Granted Jul 13, 1976·61 cites·4 claims
- 0889US3946328AFunctionally tunable active filterNORTHERN ELECTRIC CO·Filed 1975·Granted Mar 23, 1976·52 cites·10 claims
- 0988US4149772AOptical fibre having low mode dispersionNORTHERN ELECTRIC CO·Filed 1977·Granted Apr 17, 1979·60 cites·7 claims
- 1086US3962062ASputtered dielectric thin filmsNORTHERN ELECTRIC CO·Filed 1974·Granted Jun 8, 1976·38 cites·10 claims
- 1185US4107509AApparatus for treating body members with heat and moistureNORTHERN ELECTRIC CO·Filed 1977·Granted Aug 15, 1978·59 cites·8 claims
- 1285US4002819AWater blocked electric cablesNORTHERN ELECTRIC CO·Filed 1976·Granted Jan 11, 1977·40 cites·10 claims
- 1384US3972585AConnectors for optical fibersNORTHERN ELECTRIC CO·Filed 1975·Granted Aug 3, 1976·44 cites·5 claims
- 1483US4001513AMethod and apparatus for the detection of fraudulent toll telephone callsNORTHERN ELECTRIC CO·Filed 1975·Granted Jan 4, 1977·38 cites·11 claims
- 1583US3946171AMultiple pushbutton switch assembly for telephone sets and the likeNORTHERN ELECTRIC CO·Filed 1974·Granted Mar 23, 1976·25 cites·4 claims
- 1682US3972304ADevice for filling multi-stranded electric cableNORTHERN ELECTRIC CO·Filed 1975·Granted Aug 3, 1976·40 cites·4 claims
- 1779US4004077AWater blocked electric cablesNORTHERN ELECTRIC CO·Filed 1975·Granted Jan 18, 1977·31 cites·2 claims
- 1876US3960530AMethod of coating a glass fiber filamentNORTHERN ELECTRIC CO·Filed 1975·Granted Jun 1, 1976·31 cites·5 claims
- 1976US3955082APhotodiode detector with selective frequency responseNORTHERN ELECTRIC CO·Filed 1974·Granted May 4, 1976·21 cites·5 claims
- 2075US3984643AMethod and apparatus for establishing a plurality of simultaneous conferences in a PCM switching systemNORTHERN ELECTRIC CO·Filed 1975·Granted Oct 5, 1976·18 cites·14 claims
- 2173USD244381STelephone boothNORTHERN ELECTRIC CO·Filed 1975·Granted May 17, 1977·12 cites·1 claims
- 2272US3936602AFull duplex data transmission system using two speeds of diphase signal for simplified syncNORTHERN ELECTRIC CO·Filed 1974·Granted Feb 3, 1976·29 cites·4 claims
- 2372US3931566ATemperature compensated current sensing circuit for a power supplyNORTHERN ELECTRIC CO·Filed 1974·Granted Jan 6, 1976·26 cites·1 claims
- 2471US4131690AMethod of powder coating an insulated electrical conductorNORTHERN ELECTRIC CO·Filed 1975·Granted Dec 26, 1978·19 cites·11 claims
- 2571USD244455STelephone standNORTHERN ELECTRIC CO·Filed 1975·Granted May 24, 1977·11 cites·1 claims
- 2670US4034185AElectric blanket control circuitNORTHERN ELECTRIC CO·Filed 1975·Granted Jul 5, 1977·21 cites·15 claims
- 2770US3969721ALight emitting diode indicator assembly for a multiple pushbutton arrayNORTHERN ELECTRIC CO·Filed 1975·Granted Jul 13, 1976·14 cites·5 claims
- 2864US4008447AMiniature electrical relayNORTHERN ELECTRIC CO·Filed 1975·Granted Feb 15, 1977·15 cites·6 claims
- 2964US3996426AProtection circuit for telephone switching systemNORTHERN ELECTRIC CO·Filed 1976·Granted Dec 7, 1976·10 cites·4 claims
- 3063USD244380STelephone standNORTHERN ELECTRIC CO·Filed 1975·Granted May 17, 1977·8 cites·1 claims
- 3163US3946977ATelephone unit with retractable mounting bracketNORTHERN ELECTRIC CO·Filed 1974·Granted Mar 30, 1976·13 cites·1 claims
- 3262US4002391AInsulation slicing terminalNORTHERN ELECTRIC CO·Filed 1976·Granted Jan 11, 1977·22 cites·7 claims
- 3361US3962714ASemiconductor optical modulatorNORTHERN ELECTRIC CO·Filed 1974·Granted Jun 8, 1976·11 cites·6 claims
- 3460US3970972AShock resistant, temperature compensated helical resonatorNORTHERN ELECTRIC CO·Filed 1975·Granted Jul 20, 1976·13 cites·12 claims
- 3559US3988614AEqualization of chromatic pulse dispersion in optical fibresNORTHERN ELECTRIC CO·Filed 1975·Granted Oct 26, 1976·16 cites·12 claims
- 3659US3949238ADistributed power switch for modular systemsNORTHERN ELECTRIC CO·Filed 1975·Granted Apr 6, 1976·32 cites·5 claims
- 3756US3980807APolyurethane jacketing of metal sheathed cableNORTHERN ELECTRIC CO·Filed 1975·Granted Sep 14, 1976·12 cites·3 claims
- 3856US3959808AVariable stripe width semiconductor laserNORTHERN ELECTRIC CO·Filed 1974·Granted May 25, 1976·9 cites·5 claims
- 3954US3949504ALighted display for a consoleNORTHERN ELECTRIC CO·Filed 1974·Granted Apr 13, 1976·11 cites·3 claims
- 4053US4028501AMethod and apparatus for translating multiple frequency signallingNORTHERN ELECTRIC CO·Filed 1976·Granted Jun 7, 1977·10 cites·5 claims
- 4153US3955054ATelephone housing having interchangeable dial face insertsNORTHERN ELECTRIC CO·Filed 1974·Granted May 4, 1976·12 cites·7 claims
- 4252US3987364APocket test set with moulded casing for testing communication cablesNORTHERN ELECTRIC CO·Filed 1976·Granted Oct 19, 1976·13 cites·8 claims
- 4350US3953676ADigital control of a loudspeaking telephone systemNORTHERN ELECTRIC CO·Filed 1974·Granted Apr 27, 1976·12 cites·13 claims
- 4448USD244454STelephone standNORTHERN ELECTRIC CO·Filed 1975·Granted May 24, 1977·4 cites·1 claims
- 4547US4021652AIncrementally adjustable digital attenuator/amplifierNORTHERN ELECTRIC CO·Filed 1975·Granted May 3, 1977·8 cites·7 claims
- 4646US4031490AAnalog signal processorNORTHERN ELECTRIC CO·Filed 1976·Granted Jun 21, 1977·8 cites·3 claims
- 4746US3993959ASecond-order canonical active filterNORTHERN ELECTRIC CO·Filed 1974·Granted Nov 23, 1976·8 cites·6 claims
- 4846US3975751AMonolithic light-emitting diode and modulatorNORTHERN ELECTRIC CO·Filed 1974·Granted Aug 17, 1976·6 cites·8 claims
- 4942US4001735ASingle amplifier immittance networkNORTHERN ELECTRIC CO·Filed 1975·Granted Jan 4, 1977·9 cites·8 claims
- 5042US3987475ANondestructive charge sensing in a charge coupled deviceNORTHERN ELECTRIC CO·Filed 1975·Granted Oct 19, 1976·5 cites·4 claims
Showing the top 50 of 64 patent records by PatentIndex Score.
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