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  2. /G · Physics
  3. /G11 · Information storage
  4. /G11B · Information storage based on relative movement between record carrier and transducer
  5. /G11B 20/00 · Signal processing not specific to the method of recording or reproducing
  6. /G11B 20/10 · Digital recording or reproducing
  7. /G11B 20/14 · Using self-clocking codes
  8. /G11B 20/1403 · Characterised by the use of two levels
  9. /G11B 20/1407 · Code representation depending on a single bit, i.e. where a one is
  10. /G11B 20/1415
G11B 20/1415

Conversion to or from pulse frequency coding

Official title: {conversion to or from pulse frequency coding}

G11B20/1415 (Conversion to or from pulse frequency coding) appears on 4 US grants and 1 published applications in this corpus.

Search patents in G11B

Where it sits

  1. GPhysics
  2. G11Information storage
  3. G11BInformation storage based on relative movement between record carrier and transducer
  4. G11B 20/00Signal processing not specific to the method of recording or reproducing
  5. G11B 20/10Digital recording or reproducing
  6. G11B 20/14Using self-clocking codes
  7. G11B 20/1403Characterised by the use of two levels
  8. G11B 20/1407Code representation depending on a single bit, i.e. where a one is
  9. G11B 20/1415Conversion to or from pulse frequency coding
Granted patents
4
Published applications
1
Assignees
5
Inventors
7
Latest grant
5 Jun 1984

Filings by year

Granted patentsPublished applications
G11B 20/1415: granted patents and published applications per publication year
YearGranted patentsPublished applications
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200901

1976198619962009

By publication year. Applications have been published since 2001.

Recent patents

  • Bi-phase space code data signal reproducing circuit5 Jun 1984US 4,453,157 AVictor Company of Japan, Ltd.
  • Tape-recorded signal recovery method and apparatus5 Oct 1982US 4,353,099 APrecision Data, Inc.
  • System and method for loading computer diagnostic programs5 Sep 1978US 4,112,501 AData General Corporation
  • Conversion of FSK to NRZ coding24 Aug 1976US 3,976,996 ARCA Corporation
  • Audio System And Audio Processing Method26 Mar 2009US 2009/0082886 A1Mediatek Inc.

Most cited

By later US patents
  • Tape-recorded signal recovery method and apparatus10US 4,353,099 APrecision Data, Inc. · 1982
  • System and method for loading computer diagnostic programs7US 4,112,501 AData General Corporation · 1978
  • Conversion of FSK to NRZ coding2US 3,976,996 ARCA Corporation · 1976
  • Bi-phase space code data signal reproducing circuit1US 4,453,157 AVictor Company of Japan, Ltd. · 1984

Top assignees

Documents
  • DGData General Corporation1
  • Mediatek Inc.1
  • PDPrecision Data, Inc.1
  • RCA Corporation1
  • Victor Company of Japan, Ltd.1

Often classified with

  • G01RMeasuring electric variables1
  • H04BTransmission1
  • H04LDigital communication1
  • H04SStereophonic systems1

Documents that also carry the other class.

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Search every US patent grant since 1976 and every published application since 2001. Updated weekly from USPTO.

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