FR970351A - Dispositif de stabilisation des rayons cathodiques - Google Patents

Dispositif de stabilisation des rayons cathodiques

Info

Publication number
FR970351A
FR970351A FR970351DA FR970351A FR 970351 A FR970351 A FR 970351A FR 970351D A FR970351D A FR 970351DA FR 970351 A FR970351 A FR 970351A
Authority
FR
France
Prior art keywords
cathode ray
stabilization device
ray stabilization
cathode
stabilization
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
English (en)
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
RCA Corp
Original Assignee
RCA Corp
Radio Corporation of America
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 RCA Corp, Radio Corporation of America filed Critical RCA Corp
Application granted granted Critical
Publication of FR970351A publication Critical patent/FR970351A/fr
Expired legal-status Critical Current

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)
FR970351D 1947-08-28 1948-08-13 Dispositif de stabilisation des rayons cathodiques Expired FR970351A (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
FR970351A true FR970351A (fr) 1951-01-03

Family

ID=25090320

Family Applications (1)

Application Number Title Priority Date Filing Date
FR970351D Expired FR970351A (fr) 1947-08-28 1948-08-13 Dispositif de stabilisation des rayons cathodiques

Country Status (3)

Country Link
US (1) US2494457A (en, 2012)
BE (1) BE484423A (en, 2012)
FR (1) FR970351A (en, 2012)

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
BE484423A (en, 2012)
US2494457A (en) 1950-01-10

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