BE484423A - - Google Patents

Info

Publication number
BE484423A
BE484423A BE484423DA BE484423A BE 484423 A BE484423 A BE 484423A BE 484423D A BE484423D A BE 484423DA BE 484423 A BE484423 A BE 484423A
Authority
BE
Belgium
Application number
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.)
Publication of BE484423A publication Critical patent/BE484423A/xx

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
    • 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
    • H04N3/22—Circuits for controlling dimensions, shape or centering of picture on screen
    • H04N3/227—Centering

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
BE484423D 1947-08-28 BE484423A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US770982A US2494457A (en) 1947-08-28 1947-08-28 Centering circuit for television receivers

Publications (1)

Publication Number Publication Date
BE484423A true BE484423A (fr)

Family

ID=25090320

Family Applications (1)

Application Number Title Priority Date Filing Date
BE484423D BE484423A (fr) 1947-08-28

Country Status (3)

Country Link
US (1) US2494457A (fr)
BE (1) BE484423A (fr)
FR (1) FR970351A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2779894A (en) * 1954-03-15 1957-01-29 Servo Corp Of America Automatic beam-centering circuit for cathode-ray devices
US3350600A (en) * 1965-05-24 1967-10-31 William J Hannan Rc circuit means to compensate for defocusing of a pulsed image intensifier
US3436592A (en) * 1965-06-11 1969-04-01 Hazeltine Research Inc Focus control apparatus

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2426439A (en) * 1943-10-08 1947-08-26 Gen Electric Signal portraying apparatus

Also Published As

Publication number Publication date
US2494457A (en) 1950-01-10
FR970351A (fr) 1951-01-03

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