IT1133446B - IMPROVEMENTS TO SAW-TOOTH VOLTAGE GENERATORS FOR SCANNING A TELEVISION SCREEN - Google Patents

IMPROVEMENTS TO SAW-TOOTH VOLTAGE GENERATORS FOR SCANNING A TELEVISION SCREEN

Info

Publication number
IT1133446B
IT1133446B IT12573/80A IT1257380A IT1133446B IT 1133446 B IT1133446 B IT 1133446B IT 12573/80 A IT12573/80 A IT 12573/80A IT 1257380 A IT1257380 A IT 1257380A IT 1133446 B IT1133446 B IT 1133446B
Authority
IT
Italy
Prior art keywords
saw
scanning
television screen
voltage generators
tooth voltage
Prior art date
Application number
IT12573/80A
Other languages
Italian (it)
Other versions
IT8012573A0 (en
Inventor
Jean Michel Moreau
Original Assignee
Thomson Csf
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Thomson Csf filed Critical Thomson Csf
Publication of IT8012573A0 publication Critical patent/IT8012573A0/en
Application granted granted Critical
Publication of IT1133446B publication Critical patent/IT1133446B/en

Links

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
    • H03K4/50—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 voltage is produced across a capacitor
    • H03K4/501—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 voltage is produced across a capacitor the starting point of the flyback period being determined by the amplitude of the voltage across the capacitor, e.g. by a comparator
    • H03K4/502—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 voltage is produced across a capacitor the starting point of the flyback period being determined by the amplitude of the voltage across the capacitor, e.g. by a comparator the capacitor being charged from a constant-current source
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
    • H04N3/16—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by deflecting electron beam in cathode-ray tube, e.g. scanning corrections
    • H04N3/24—Blanking circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Details Of Television Scanning (AREA)
IT12573/80A 1979-06-19 1980-06-18 IMPROVEMENTS TO SAW-TOOTH VOLTAGE GENERATORS FOR SCANNING A TELEVISION SCREEN IT1133446B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7915660A FR2459583A1 (en) 1979-06-19 1979-06-19 Sawtooth waveform generator with adjustable flyback black=out - uses charging capacitor with series resistor to cause voltage jump

Publications (2)

Publication Number Publication Date
IT8012573A0 IT8012573A0 (en) 1980-06-18
IT1133446B true IT1133446B (en) 1986-07-09

Family

ID=9226785

Family Applications (1)

Application Number Title Priority Date Filing Date
IT12573/80A IT1133446B (en) 1979-06-19 1980-06-18 IMPROVEMENTS TO SAW-TOOTH VOLTAGE GENERATORS FOR SCANNING A TELEVISION SCREEN

Country Status (3)

Country Link
DE (1) DE3022727A1 (en)
FR (1) FR2459583A1 (en)
IT (1) IT1133446B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0069165B1 (en) * 1981-07-08 1984-08-08 Deutsche ITT Industries GmbH Integrated circuit for television receivers or colour television receivers
DE4238615C1 (en) * 1992-11-16 1993-11-25 Telefunken Microelectron Generating line flyback pulses for display tube - using operational amplifier circuit with input from sawtooth wave signal generator controlling amplitude and frequency

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL295144A (en) * 1962-07-10
FR1564005A (en) * 1968-03-06 1969-04-18
DE2533599C3 (en) * 1975-07-26 1982-03-11 Philips Patentverwaltung Gmbh, 2000 Hamburg Integrable deflection circuitry

Also Published As

Publication number Publication date
IT8012573A0 (en) 1980-06-18
FR2459583A1 (en) 1981-01-09
DE3022727A1 (en) 1981-01-22
FR2459583B1 (en) 1983-03-04

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