Assignee
TELEFUNKEN ELECTRONIC GMBH
DE·133 granted patents·2,518 citations·filing 1980–1992
Top patents by PatentIndex Score
133 records- 0199US4975814AWide-area lampTELEFUNKEN ELECTRONIC GMBH·Filed 1989·Granted Dec 4, 1990·178 cites·15 claims
- 0297US4780752ALuminescent semiconductor componentTELEFUNKEN ELECTRONIC GMBH·Filed 1982·Granted Oct 25, 1988·203 cites·1 claims
- 0396US5084804AWide-area lampTELEFUNKEN ELECTRONIC GMBH·Filed 1989·Granted Jan 28, 1992·82 cites·20 claims
- 0493US4877460ASolar cell moduleTELEFUNKEN ELECTRONIC GMBH·Filed 1988·Granted Oct 31, 1989·170 cites·7 claims
- 0591US5082339AOptical read-write head with diffraction grating structureTELEFUNKEN ELECTRONIC GMBH·Filed 1989·Granted Jan 21, 1992·70 cites·21 claims
- 0688US4931794AOptoelectronic keyboardTELEFUNKEN ELECTRONIC GMBH·Filed 1987·Granted Jun 5, 1990·142 cites·14 claims
- 0787US5075822AHousing for installation in motor vehiclesTELEFUNKEN ELECTRONIC GMBH·Filed 1990·Granted Dec 24, 1991·88 cites·9 claims
- 0884US4483605ACircuit for a computerized photoflash controlTELEFUNKEN ELECTRONIC GMBH·Filed 1983·Granted Nov 20, 1984·23 cites·16 claims
- 0981US4694117ASolar cellTELEFUNKEN ELECTRONIC GMBH·Filed 1986·Granted Sep 15, 1987·50 cites·6 claims
- 1080US4914402AOpto-electronic transimpedance amplifierTELEFUNKEN ELECTRONIC GMBH·Filed 1989·Granted Apr 3, 1990·41 cites·16 claims
- 1177US4567762AThermoelectric level detector and a method for its manufactureTELEFUNKEN ELECTRONIC GMBH·Filed 1982·Granted Feb 4, 1986·36 cites·26 claims
- 1276US5225669ASensor system with adjustment for ambient conditionsTELEFUNKEN ELECTRONIC GMBH·Filed 1991·Granted Jul 6, 1993·40 cites·10 claims
- 1375US4674093ACircuit arrangement for actuating semiconductor lasersTELEFUNKEN ELECTRONIC GMBH·Filed 1984·Granted Jun 16, 1987·22 cites·20 claims
- 1475US4580288AReceiver input circuitTELEFUNKEN ELECTRONIC GMBH·Filed 1983·Granted Apr 1, 1986·20 cites·17 claims
- 1574US4697042ASolar generatorTELEFUNKEN ELECTRONIC GMBH·Filed 1986·Granted Sep 29, 1987·32 cites·7 claims
- 1674US4609880ABroad-band amplifier for the amplification of a photoelectric currentTELEFUNKEN ELECTRONIC GMBH·Filed 1984·Granted Sep 2, 1986·20 cites·12 claims
- 1773US4639686AHigh frequency amplifier circuitTELEFUNKEN ELECTRONIC GMBH·Filed 1984·Granted Jan 27, 1987·18 cites·9 claims
- 1872US5311398AHousing for motor vehicle electronic systemTELEFUNKEN ELECTRONIC GMBH·Filed 1992·Granted May 10, 1994·35 cites·17 claims
- 1972US4525594AWafer-shaped solar cellTELEFUNKEN ELECTRONIC GMBH·Filed 1984·Granted Jun 25, 1985·34 cites·16 claims
- 2072US4449404AThermoelectric level measuring deviceTELEFUNKEN ELECTRONIC GMBH·Filed 1982·Granted May 22, 1984·25 cites·15 claims
- 2171US5208728AHousing for fitting in motor vehicles to hold electronic componentsTELEFUNKEN ELECTRONIC GMBH·Filed 1992·Granted May 4, 1993·35 cites·18 claims
- 2271US4695940ADynamic frequency divider with a mixer stage and an amplifierTELEFUNKEN ELECTRONIC GMBH·Filed 1986·Granted Sep 22, 1987·19 cites·7 claims
- 2370US5122878ATelevision tuner and circuitry for switching between two frequency rangesTELEFUNKEN ELECTRONIC GMBH·Filed 1989·Granted Jun 16, 1992·36 cites·34 claims
- 2469US4734598AControllable integratorTELEFUNKEN ELECTRONIC GMBH·Filed 1985·Granted Mar 29, 1988·16 cites·8 claims
- 2567US4642414ASolar cellTELEFUNKEN ELECTRONIC GMBH·Filed 1985·Granted Feb 10, 1987·23 cites·16 claims
- 2666US4543444ASolar-cellTELEFUNKEN ELECTRONIC GMBH·Filed 1984·Granted Sep 24, 1985·25 cites·5 claims
- 2764US5203019ARadio receiver with improved automatic gain controlTELEFUNKEN ELECTRONIC GMBH·Filed 1990·Granted Apr 13, 1993·20 cites·36 claims
- 2863US4695915AShort circuit and overload protection circuit for output stage transistorsTELEFUNKEN ELECTRONIC GMBH·Filed 1985·Granted Sep 22, 1987·18 cites·18 claims
- 2961US5254484AMethod for recrystallization of preamorphized semiconductor surfaces zonesTELEFUNKEN ELECTRONIC GMBH·Filed 1991·Granted Oct 19, 1993·48 cites·10 claims
- 3061US5220903AElectronic ignition systemTELEFUNKEN ELECTRONIC GMBH·Filed 1991·Granted Jun 22, 1993·13 cites·17 claims
- 3161US4589049AProtection circuit for integrated circuitsTELEFUNKEN ELECTRONIC GMBH·Filed 1984·Granted May 13, 1986·19 cites·7 claims
- 3260US4577393AProcess for the production of a solar cellTELEFUNKEN ELECTRONIC GMBH·Filed 1984·Granted Mar 25, 1986·21 cites·17 claims
- 3359US4829356ALateral transistor with buried semiconductor zoneTELEFUNKEN ELECTRONIC GMBH·Filed 1987·Granted May 9, 1989·24 cites·8 claims
- 3459US4817198ARadio receiverTELEFUNKEN ELECTRONIC GMBH·Filed 1985·Granted Mar 28, 1989·35 cites·17 claims
- 3559US4621279ANon-evacuated, rapidly coolable housing for an opto-electronic semiconductor componentTELEFUNKEN ELECTRONIC GMBH·Filed 1984·Granted Nov 4, 1986·20 cites·20 claims
- 3658US5250466AMethod for manufacturing ohmic contacts for compound semiconductorsTELEFUNKEN ELECTRONIC GMBH·Filed 1992·Granted Oct 5, 1993·18 cites·13 claims
- 3758US5159532AElectronic control unit with multiple hybrid circuit assemblies integrated on a single common ceramic carrierTELEFUNKEN ELECTRONIC GMBH·Filed 1991·Granted Oct 27, 1992·30 cites·3 claims
- 3858US4956305AProcess for fabricating an integrated circuitTELEFUNKEN ELECTRONIC GMBH·Filed 1989·Granted Sep 11, 1990·23 cites·9 claims
- 3958US4541000AVaractor or mixer diode with surrounding substrate metal contact and top surface isolationTELEFUNKEN ELECTRONIC GMBH·Filed 1981·Granted Sep 10, 1985·15 cites·15 claims
- 4057US4978939ASettable resistorTELEFUNKEN ELECTRONIC GMBH·Filed 1989·Granted Dec 18, 1990·14 cites·21 claims
- 4156US4907292ATelevision tunerTELEFUNKEN ELECTRONIC GMBH·Filed 1987·Granted Mar 6, 1990·20 cites·15 claims
- 4256US4760535AControl circuit for tuning a high-frequency input circuitTELEFUNKEN ELECTRONIC GMBH·Filed 1985·Granted Jul 26, 1988·16 cites·28 claims
- 4356US4479479AElectronically controlled ignition system and use of this ignition systemTELEFUNKEN ELECTRONIC GMBH·Filed 1982·Granted Oct 30, 1984·10 cites·14 claims
- 4455US4866502ARC lineTELEFUNKEN ELECTRONIC GMBH·Filed 1987·Granted Sep 12, 1989·25 cites·11 claims
- 4555US4577171AInput circuit comprising at least two input pathsTELEFUNKEN ELECTRONIC GMBH·Filed 1984·Granted Mar 18, 1986·16 cites·17 claims
- 4654US4942439ALight-emitting diode of GaAsP compound semiconductive materialTELEFUNKEN ELECTRONIC GMBH·Filed 1988·Granted Jul 17, 1990·13 cites·15 claims
- 4754US4915743ASpace solar cellTELEFUNKEN ELECTRONIC GMBH·Filed 1988·Granted Apr 10, 1990·14 cites·20 claims
- 4853US5077831ASafeguard device with coded transmitted signalTELEFUNKEN ELECTRONIC GMBH·Filed 1989·Granted Dec 31, 1991·24 cites·6 claims
- 4953US4418321AFeedback amplifier or threshold value switch for a current feed differential stageTELEFUNKEN ELECTRONIC GMBH·Filed 1981·Granted Nov 29, 1983·8 cites·6 claims
- 5051US4879522AIntegrated complementary push-pull B final stageTELEFUNKEN ELECTRONIC GMBH·Filed 1988·Granted Nov 7, 1989·10 cites·4 claims
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