BE890245A - Circuit et procede de reglage automatique du courant de faisceau d'un tube analyseur de camera video - Google Patents

Circuit et procede de reglage automatique du courant de faisceau d'un tube analyseur de camera video

Info

Publication number
BE890245A
BE890245A BE0/205883A BE205883A BE890245A BE 890245 A BE890245 A BE 890245A BE 0/205883 A BE0/205883 A BE 0/205883A BE 205883 A BE205883 A BE 205883A BE 890245 A BE890245 A BE 890245A
Authority
BE
Belgium
Prior art keywords
circuit
video camera
beam current
automatically adjusting
analyzer tube
Prior art date
Application number
BE0/205883A
Other languages
English (en)
Inventor
J O Ryan
Original Assignee
Ampex
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 Ampex filed Critical Ampex
Publication of BE890245A publication Critical patent/BE890245A/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/40—Circuit details for pick-up tubes
    • H04N23/41—Beam current control

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
  • Details Of Television Scanning (AREA)
BE0/205883A 1980-09-08 1981-09-07 Circuit et procede de reglage automatique du courant de faisceau d'un tube analyseur de camera video BE890245A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/185,097 US4331980A (en) 1980-09-08 1980-09-08 Circuit and method for automatically setting the beam currents in a video camera

Publications (1)

Publication Number Publication Date
BE890245A true BE890245A (fr) 1982-01-04

Family

ID=22679580

Family Applications (1)

Application Number Title Priority Date Filing Date
BE0/205883A BE890245A (fr) 1980-09-08 1981-09-07 Circuit et procede de reglage automatique du courant de faisceau d'un tube analyseur de camera video

Country Status (9)

Country Link
US (1) US4331980A (fr)
JP (1) JPS5779775A (fr)
BE (1) BE890245A (fr)
CA (1) CA1169162A (fr)
DE (1) DE3135571C2 (fr)
FR (1) FR2490047A1 (fr)
GB (1) GB2085689B (fr)
HK (1) HK50289A (fr)
NL (1) NL8104143A (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4503466A (en) * 1982-02-23 1985-03-05 Ampex Corporation Apparatus and method for generating optimizing pictures under low light conditions
EP0103451A3 (fr) * 1982-09-09 1984-10-24 Link Electronics Limited Dispositif d'alignement de faisceau d'électrons et d'ajustage du courant de faisceau d'électrons dans un tube cathodique
NL8204022A (nl) * 1982-10-19 1984-05-16 Philips Nv Werkwijze voor het instellen van de stroomsterkte van een elektronenbundel in een opneembuis en daarvoor geschikt televisiekamerastelsel.
JPH0822025B2 (ja) * 1985-02-25 1996-03-04 株式会社日立製作所 画像入力装置
US4809071A (en) * 1985-12-16 1989-02-28 Hitachi, Ltd. & Hitachi Medical Corp. Television camera device and x-ray television apparatus using the same
US4724485A (en) * 1986-09-29 1988-02-09 National Biomedical Research Foundation Television scanning with improved resolution

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2903584A (en) * 1957-01-24 1959-09-08 David L Jaffe Sweep waveform generator
US3006994A (en) * 1957-01-26 1961-10-31 Grundig Max Television pickup camera with spiral scanning and beam intensity modulation proportional to deflection velocity
GB1318037A (en) * 1969-10-31 1973-05-23 Image Analysing Computers Ltd Television picture production
DE2424402C3 (de) * 1973-05-21 1978-08-24 Hitachi Electronics Ltd. Verfahren und Anordnung zur Steuerung der Stärke des Elektronenstrahls in einer Bildaufnahmeröhre vom Vidicon-Typ
DE2805691C3 (de) * 1978-02-10 1983-11-03 Siemens AG, 1000 Berlin und 8000 München Digitale Steuereinheit in einem Farbfernseh-Empfänger zur Ansteuerung der Ablenkendstufen

Also Published As

Publication number Publication date
FR2490047B1 (fr) 1985-03-15
US4331980A (en) 1982-05-25
HK50289A (en) 1989-06-30
DE3135571C2 (de) 1984-06-28
GB2085689A (en) 1982-04-28
DE3135571A1 (de) 1982-08-19
FR2490047A1 (fr) 1982-03-12
CA1169162A (fr) 1984-06-12
JPH0526393B2 (fr) 1993-04-15
JPS5779775A (en) 1982-05-19
GB2085689B (en) 1984-05-10
NL8104143A (nl) 1982-04-01

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: AMPEX CORP.

Effective date: 19910930