Classifications

• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03K—PULSE TECHNIQUE
  • H03K4/00—Generating pulses having essentially a finite slope or stepped portions
  • H03K4/06—Generating pulses having essentially a finite slope or stepped portions having triangular shape
  • H03K4/08—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape
  • H03K4/48—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices
  • H03K4/60—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices in which a sawtooth current is produced through an inductor
  • H03K4/62—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices in which a sawtooth current is produced through an inductor using a semiconductor device operating as a switching device
  • H03K4/64—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices in which a sawtooth current is produced through an inductor using a semiconductor device operating as a switching device combined with means for generating the driving pulses
  • H03K4/66—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices in which a sawtooth current is produced through an inductor using a semiconductor device operating as a switching device combined with means for generating the driving pulses using a single device with positive feedback, e.g. blocking oscillator
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03K—PULSE TECHNIQUE
  • H03K4/00—Generating pulses having essentially a finite slope or stepped portions
  • H03K4/06—Generating pulses having essentially a finite slope or stepped portions having triangular shape
  • H03K4/08—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape
  • H03K4/10—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only
  • H03K4/26—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only in which a sawtooth current is produced through an inductor
  • H03K4/28—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only in which a sawtooth current is produced through an inductor using a tube operating as a switching device
  • H03K4/32—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only in which a sawtooth current is produced through an inductor using a tube operating as a switching device combined with means for generating the driving pulses
• • 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)
• Synchronizing For Television (AREA)
• Dc-Dc Converters (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=7273177

Family Applications (1)

Country Status (4)

• 1965
  • 1965-01-29 DE DE1965L0049846 patent/DE1266803B/de active Pending
• 1966
  • 1966-01-28 NL NL6601123A patent/NL6601123A/xx unknown
  • 1966-01-28 BE BE675728D patent/BE675728A/xx unknown
  • 1966-01-28 GB GB392066A patent/GB1140571A/en not_active Expired

Also Published As

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