Classifications

• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
  • H04N9/00—Details of colour television systems
  • H04N9/64—Circuits for processing colour signals
  • H04N9/66—Circuits for processing colour signals for synchronous demodulators
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
  • H03D1/00—Demodulation of amplitude-modulated oscillations
  • H03D1/22—Homodyne or synchrodyne circuits
  • H03D1/229—Homodyne or synchrodyne circuits using at least a two emittor-coupled differential pair of transistors
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
  • H03D13/00—Circuits for comparing the phase or frequency of two mutually-independent oscillations
  • H03D13/007—Circuits for comparing the phase or frequency of two mutually-independent oscillations by analog multiplication of the oscillations or by performing a similar analog operation on the oscillations
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
  • H04N5/00—Details of television systems
  • H04N5/04—Synchronising
  • H04N5/12—Devices in which the synchronising signals are only operative if a phase difference occurs between synchronising and synchronised scanning devices, e.g. flywheel synchronising
  • H04N5/126—Devices in which the synchronising signals are only operative if a phase difference occurs between synchronising and synchronised scanning devices, e.g. flywheel synchronising whereby the synchronisation signal indirectly commands a frequency generator

Landscapes

• Engineering & Computer Science (AREA)
• Multimedia (AREA)
• Signal Processing (AREA)
• Power Engineering (AREA)
• Processing Of Color Television Signals (AREA)
• Synchronizing For Television (AREA)
• Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)

Applications Claiming Priority (1)

Publications (3)

Family

ID=13982980

Family Applications (1)

Country Status (6)

Families Citing this family (1)

Family Cites Families (3)

• 1970
  • 1970-10-13 JP JP8987770A patent/JPS5316267B1/ja active Pending
• 1971
  • 1971-03-04 DE DE2110389A patent/DE2110389C2/de not_active Expired
  • 1971-03-05 NL NLAANVRAGE7102960,A patent/NL170686C/xx not_active IP Right Cessation
  • 1971-03-12 US US123540A patent/US3678185A/en not_active Expired - Lifetime
  • 1971-03-19 FR FR7109852A patent/FR2108126B1/fr not_active Expired
  • 1971-04-19 GB GB2315071*A patent/GB1310204A/en not_active Expired

Also Published As

Similar Documents

Legal Events