Blaupunkt-Werke GmbH

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H04B TRANSMISSION 10200
 
  
 
H04H BROADCAST COMMUNICATION 946
 
  
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 5280
 
  
 
H03D DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER 247
 
  
 
B23P OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 155
 
  
 
B60Q ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL 163
 
  
 
F02P IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES 138
 
  
 
F16B DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING 148
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 1446
 
  
 
H03F AMPLIFIERS 182

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6195783 Process and apparatus for synchronizing the block counter in an RDS radio data receiverSep 19, 97Feb 27, 01[G06F]
6169773 System for synchronizing a block counter in a radio-data-system (RDS) receiverApr 02, 98Jan 02, 01[H04L]
5915028 Amplitude demodulatorMay 13, 97Jun 22, 99[H04H]
5737834 Process and apparatus for automatically assembling the tops and bottoms of circuitboards with SMDSMay 03, 96Apr 14, 98[B23P, H05K]
5661809 Radio receiver having digital signal processingFeb 14, 95Aug 26, 97[H04H]
5631963 Circuit arrangement for the recognition of adjacent channel interferenceOct 31, 94May 20, 97[H04H]
5606619 Circuit arrangement for deriving a signal indicating noise in a received stereo multiplex signalFeb 13, 95Feb 25, 97[H04H]
5592557 Radio receiver with digital signal processingFeb 16, 95Jan 07, 97[H04H]
5584060 Circuit arrangement for derivation of a signal dependent on the change direction of the incoming signal levelMar 06, 95Dec 10, 96[H04B]
5561716 DemodulatorNov 22, 94Oct 01, 96[H04H]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6031918 Device for controlling the volume of a car radio as a function of driving noiseExpiredFeb 27, 97Feb 29, 00[H04R]
5799393 Method for producing a plated-through hole on a printed-circuit boardExpiredSep 23, 96Sep 01, 98[H04K]
5673324 Radio receiver circuit for deriving at least one reception quality signalExpiredMar 21, 94Sep 30, 97[H04H]
5659947 Device for automatically populating a top and a bottom side of printed-circuit boards with SMD componentsExpiredJul 18, 96Aug 26, 97[B23P, H05K]
5594799 Circuit for suppression of short-lived noise-phenomena in a digital audio signalExpiredMar 28, 94Jan 14, 97[H04B, H04H]
5550922 Vehicle radio automatic volume adjustment systemExpiredAug 10, 94Aug 27, 96[H03G]
5493717 Adjacent channel interference detection & suppression circuitExpiredMay 31, 94Feb 20, 96[H04B]
5491755 Circuit for digital processing of audio signalsExpiredJan 18, 94Feb 13, 96[H04B]
5457423 Radio data signal demodulator with clock signal recoveryExpiredMay 16, 94Oct 10, 95[H04L]
5457722 Circuit for frequency division by an odd numberExpiredJan 18, 94Oct 10, 95[H03K]
5430890 Radio receiver for mobile reception with sampling rate oscillator frequency being an integer-number multiple of reference oscillation frequencyExpiredNov 20, 92Jul 04, 95[H04B]
5345607 RDS radio receiver with program type modeExpiredJan 17, 92Sep 06, 94[H04B]
5317313 Method and apparatus for analog/digital conversionExpiredJun 09, 93May 31, 94[H03M]
5195109 Digital radio receiver with program-controlled mixing oscillator frequencyExpiredFeb 04, 91Mar 16, 93[H04L, H04B]
5119093 Apparatus for converting a signal of a first sample rate into a signal of a second sample rateExpiredMay 24, 90Jun 02, 92[H03M]
5077827 Warning receiver readiness monitoring circuitExpiredJan 24, 90Dec 31, 91[H04B]
5063611 Theft-protected vehicular accessory apparatus, particularly car radio and audio equipmentExpiredJul 21, 88Nov 05, 91[H04B]
5060300 Receiver switchable between network supply mode and power-conserving battery supply modeExpiredNov 30, 90Oct 22, 91[H04B]
5046127 Transmission path tester for broadcastingExpiredFeb 07, 89Sep 03, 91[H04B]
5012255 Combination antenna and windshield heaterExpiredMar 07, 89Apr 30, 91[H01Q]

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