Classifications

• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
  • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
  • H03D7/06—Transference of modulation from one carrier to another, e.g. frequency-changing by means of discharge tubes having more than two electrodes
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
  • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
  • H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
  • H03B5/10—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being vacuum tube
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
  • H04N5/00—Details of television systems
  • H04N5/14—Picture signal circuitry for video frequency region
  • H04N5/16—Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level
  • H04N5/165—Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level to maintain the black level constant
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
  • H04N5/00—Details of television systems
  • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
  • H04N5/46—Receiver circuitry for the reception of television signals according to analogue transmission standards for receiving on more than one standard at will
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
  • H04N5/00—Details of television systems
  • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
  • H04N5/60—Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals
  • H04N5/62—Intercarrier circuits, i.e. heterodyning sound and vision carriers
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
  • H04N9/00—Details of colour television systems
  • H04N9/44—Colour synchronisation
  • H04N9/455—Generation of colour burst signals; Insertion of colour burst signals in colour picture signals or separation of colour burst signals from colour picture signals

Landscapes

• Engineering & Computer Science (AREA)
• Multimedia (AREA)
• Signal Processing (AREA)
• Power Engineering (AREA)
• Processing Of Color Television Signals (AREA)
• Details Of Television Scanning (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=23231799

Family Applications (5)

Family Applications Before (4)

Country Status (5)

Families Citing this family (6)

Family Cites Families (4)

• 0
  • BE BE523818D patent/BE523818A/xx unknown
  • NL NL93128D patent/NL93128C/xx active
  • BE BE541218D patent/BE541218A/xx unknown
  • NL NL196211D patent/NL196211A/xx unknown
  • NL NL190747D patent/NL190747A/xx unknown
  • NL NLAANVRAGE7509665,A patent/NL182237B/xx unknown
  • NL NL92053D patent/NL92053C/xx active
  • BE BE546697D patent/BE546697A/xx unknown
• 1952
  • 1952-10-27 US US317027A patent/US2726282A/en not_active Expired - Lifetime
• 1953
  • 1953-09-04 GB GB24544/53A patent/GB738922A/en not_active Expired
  • 1953-10-23 FR FR1089661D patent/FR1089661A/fr not_active Expired
• 1955
  • 1955-05-05 FR FR69171D patent/FR69171E/fr not_active Expired
  • 1955-09-13 FR FR69176D patent/FR69176E/fr not_active Expired
• 1956
  • 1956-03-30 FR FR69793D patent/FR69793E/fr not_active Expired
• 1957
  • 1957-07-17 FR FR72100D patent/FR72100E/fr not_active Expired

Also Published As

Similar Documents