Assignee
BLAUPUNKT WERKE GMBH
140 granted patents·4,224 citations·filing 1975–1996
Top patents by PatentIndex Score
140 records- 0196US4542525AMethod and apparatus for classifying audio signalsBLAUPUNKT WERKE GMBH·Filed 1983·Granted Sep 17, 1985·90 cites·28 claims
- 0295US4075591APrinted circuit coilsBLAUPUNKT WERKE GMBH·Filed 1977·Granted Feb 21, 1978·50 cites·2 claims
- 0394US4079419AMethod and apparatus for transmitting and receiving additional information in a television signalBLAUPUNKT WERKE GMBH·Filed 1975·Granted Mar 14, 1978·337 cites·6 claims
- 0493US4488179ATelevision viewing center systemBLAUPUNKT WERKE GMBH·Filed 1981·Granted Dec 11, 1984·745 cites·1 claims
- 0592US4868881AMethod and system of background noise suppression in an audio circuit particularly for car radiosBLAUPUNKT WERKE GMBH·Filed 1988·Granted Sep 19, 1989·75 cites·12 claims
- 0689US4476582AMobile broadcast receiver with channels selectable according to reception locationBLAUPUNKT WERKE GMBH·Filed 1983·Granted Oct 9, 1984·61 cites·10 claims
- 0789US4476573ARadio link remote control signaling system, and methodBLAUPUNKT WERKE GMBH·Filed 1982·Granted Oct 9, 1984·117 cites·13 claims
- 0889US4027112AHead-rest and loudspeaker combinationBLAUPUNKT WERKE GMBH·Filed 1976·Granted May 31, 1977·69 cites·28 claims
- 0988US5430890ARadio receiver for mobile reception with sampling rate oscillator frequency being an integer-number multiple of reference oscillation frequencyBLAUPUNKT WERKE GMBH·Filed 1992·Granted Jul 4, 1995·92 cites·6 claims
- 1088US4628526AMethod and system for matching the sound output of a loudspeaker to the ambient noise levelBLAUPUNKT WERKE GMBH·Filed 1984·Granted Dec 9, 1986·95 cites·20 claims
- 1188US4277817ALarge-area light sourceBLAUPUNKT WERKE GMBH·Filed 1979·Granted Jul 7, 1981·127 cites·4 claims
- 1288US4247955AApparatus for matching the sound output of a radio receiver to the ambient noise levelBLAUPUNKT WERKE GMBH·Filed 1980·Granted Jan 27, 1981·41 cites·19 claims
- 1388US4161995ALoudspeaker housing forming a closed, damped system, particularly for automotive installationBLAUPUNKT WERKE GMBH·Filed 1977·Granted Jul 24, 1979·59 cites·19 claims
- 1487US5493717AAdjacent channel interference detection & suppression circuitBLAUPUNKT WERKE GMBH·Filed 1994·Granted Feb 20, 1996·78 cites·8 claims
- 1587US5339455ARadio receiver adjacent-channel interference suppression circuitBLAUPUNKT WERKE GMBH·Filed 1993·Granted Aug 16, 1994·114 cites·4 claims
- 1687US5012255ACombination antenna and windshield heaterBLAUPUNKT WERKE GMBH·Filed 1989·Granted Apr 30, 1991·71 cites·9 claims
- 1786US4796247ACompact disc (CD) player and method of compensating for tracking jumpsBLAUPUNKT WERKE GMBH·Filed 1987·Granted Jan 3, 1989·79 cites·22 claims
- 1883US4741185AVehicular tape deck locking and lock-state indicating arrangementBLAUPUNKT WERKE GMBH·Filed 1986·Granted May 3, 1988·57 cites·19 claims
- 1983US4313222AH-F Portion of TV receiverBLAUPUNKT WERKE GMBH·Filed 1980·Granted Jan 26, 1982·78 cites·3 claims
- 2082US4947251ASuppression of flicker effects in a television receiverBLAUPUNKT WERKE GMBH·Filed 1988·Granted Aug 7, 1990·42 cites·7 claims
- 2180US4720700ASecurity system and method for electronic apparatus, particularly car radios or similar automotive audio equipmentBLAUPUNKT WERKE GMBH·Filed 1986·Granted Jan 19, 1988·63 cites·23 claims
- 2280US3949401AFrequency identification circuit for broadcast traffic information reception systemsBLAUPUNKT WERKE GMBH·Filed 1975·Granted Apr 6, 1976·39 cites·7 claims
- 2379US4633247ARemote control system for selectively activating and inactivating equipmentBLAUPUNKT WERKE GMBH·Filed 1985·Granted Dec 30, 1986·43 cites·8 claims
- 2479US4541110ACircuit for automatic selection between speech and music sound signalsBLAUPUNKT WERKE GMBH·Filed 1982·Granted Sep 10, 1985·25 cites·20 claims
- 2579US4435843AFM Receiver for general programs and special announcementsBLAUPUNKT WERKE GMBH·Filed 1981·Granted Mar 6, 1984·33 cites·31 claims
- 2678US4704736AMethod and apparatus for reducing interference in broadcast receiverBLAUPUNKT WERKE GMBH·Filed 1985·Granted Nov 3, 1987·30 cites·10 claims
- 2778US4016519APrinted circuit coilsBLAUPUNKT WERKE GMBH·Filed 1976·Granted Apr 5, 1977·27 cites·3 claims
- 2877US4450589AFM Receiver for reception of special announcements and general programsBLAUPUNKT WERKE GMBH·Filed 1981·Granted May 22, 1984·30 cites·34 claims
- 2976US4850037AMethod and circuit for receiving radio wave, especially multi-antenna diversity reception and apparatusBLAUPUNKT WERKE GMBH·Filed 1987·Granted Jul 18, 1989·47 cites·22 claims
- 3073US5659947ADevice for automatically populating a top and a bottom side of printed-circuit boards with SMD componentsBLAUPUNKT WERKE GMBH·Filed 1995·Granted Aug 26, 1997·41 cites·1 claims
- 3173US5119093AApparatus for converting a signal of a first sample rate into a signal of a second sample rateBLAUPUNKT WERKE GMBH·Filed 1990·Granted Jun 2, 1992·54 cites·13 claims
- 3272US4097988AMethod of manufacturing thick-film resistors to precise electrical valuesBLAUPUNKT WERKE GMBH·Filed 1977·Granted Jul 4, 1978·15 cites·7 claims
- 3369US5491755ACircuit for digital processing of audio signalsBLAUPUNKT WERKE GMBH·Filed 1994·Granted Feb 13, 1996·25 cites·7 claims
- 3469US4316224AMagnetic tape reproducer-recorder with means for tape segment identifying and locatingBLAUPUNKT WERKE GMBH·Filed 1979·Granted Feb 16, 1982·14 cites·2 claims
- 3569US4247889AHigh-voltage-secondary transformer, particularly television line transformerBLAUPUNKT WERKE GMBH·Filed 1979·Granted Jan 27, 1981·18 cites·7 claims
- 3669US4179009AMounting arrangement for a loudspeaker to a resonance panel permitting front insertion assemblyBLAUPUNKT WERKE GMBH·Filed 1978·Granted Dec 18, 1979·37 cites·6 claims
- 3769US4083008AMethod and circuit for generation of digitally frequency-shiftable electric signalsBLAUPUNKT WERKE GMBH·Filed 1976·Granted Apr 4, 1978·20 cites·22 claims
- 3868US4939791ADiversity radio receiver for use with multiple antenna, particularly car radioBLAUPUNKT WERKE GMBH·Filed 1988·Granted Jul 3, 1990·35 cites·4 claims
- 3968US4024577AControlled power supply for a television receiver equipped with remote controlBLAUPUNKT WERKE GMBH·Filed 1975·Granted May 17, 1977·23 cites·9 claims
- 4067US4584708ACommunication system, and transmitter therefor, including special announcement recognitionBLAUPUNKT WERKE GMBH·Filed 1985·Granted Apr 22, 1986·25 cites·44 claims
- 4167US4024475ADecoder for frequency-modulated tones of two different lengthsBLAUPUNKT WERKE GMBH·Filed 1976·Granted May 17, 1977·13 cites·6 claims
- 4266US5135341ADevice for fastening an electronic equipment to a mounting wallBLAUPUNKT WERKE GMBH·Filed 1991·Granted Aug 4, 1992·48 cites·2 claims
- 4365US5191312AAutomotive accessory control centerBLAUPUNKT WERKE GMBH·Filed 1991·Granted Mar 2, 1993·45 cites·3 claims
- 4465US4646147AMethod and apparatus for scrambling and unscrambling television signalsBLAUPUNKT WERKE GMBH·Filed 1984·Granted Feb 24, 1987·23 cites·21 claims
- 4563US5550922AVehicle radio automatic volume adjustment systemBLAUPUNKT WERKE GMBH·Filed 1994·Granted Aug 27, 1996·27 cites·6 claims
- 4663US4216545AMethod and apparatus of communicating emergency signals from a transceiver in a transceiver communication network, particularly for citizen-band emergency useBLAUPUNKT WERKE GMBH·Filed 1978·Granted Aug 5, 1980·24 cites·8 claims
- 4763US4148077AMethod of playing back video records through television receiver operating at a different line standardBLAUPUNKT WERKE GMBH·Filed 1977·Granted Apr 3, 1979·13 cites·2 claims
- 4861US5345602AReceiver with multiple antennasBLAUPUNKT WERKE GMBH·Filed 1992·Granted Sep 6, 1994·61 cites·4 claims
- 4961US4808981AAutomotive electronic communication apparatus with theft disabling, particularly car radio or similar automotive audio equipmentBLAUPUNKT WERKE GMBH·Filed 1988·Granted Feb 28, 1989·25 cites·12 claims
- 5061US4679026ACar radio theft alarm systemBLAUPUNKT WERKE GMBH·Filed 1985·Granted Jul 7, 1987·33 cites·8 claims
Showing the top 50 of 140 patent records by PatentIndex Score.
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