JPS56147566A - Video camera - Google Patents

Video camera

Info

Publication number
JPS56147566A
JPS56147566A JP5122380A JP5122380A JPS56147566A JP S56147566 A JPS56147566 A JP S56147566A JP 5122380 A JP5122380 A JP 5122380A JP 5122380 A JP5122380 A JP 5122380A JP S56147566 A JPS56147566 A JP S56147566A
Authority
JP
Japan
Prior art keywords
potential
iris
power supply
comparator
amount
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.)
Granted
Application number
JP5122380A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0211069B2 (cs
Inventor
Takashi Kuniyoshi
Hiroyuki Takimoto
Tatsuzo Ujo
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP5122380A priority Critical patent/JPS56147566A/ja
Priority to DE3115092A priority patent/DE3115092A1/de
Publication of JPS56147566A publication Critical patent/JPS56147566A/ja
Priority to US06/550,517 priority patent/US4492982A/en
Publication of JPH0211069B2 publication Critical patent/JPH0211069B2/ja
Granted legal-status Critical Current

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
    • H04N23/70—Circuitry for compensating brightness variation in the scene
    • H04N23/75—Circuitry for compensating brightness variation in the scene by influencing optical camera components

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
JP5122380A 1980-04-18 1980-04-18 Video camera Granted JPS56147566A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP5122380A JPS56147566A (en) 1980-04-18 1980-04-18 Video camera
DE3115092A DE3115092A1 (de) 1980-04-18 1981-04-14 Videokamera
US06/550,517 US4492982A (en) 1980-04-18 1983-11-10 Video camera image tube burn-in prevention apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5122380A JPS56147566A (en) 1980-04-18 1980-04-18 Video camera

Publications (2)

Publication Number Publication Date
JPS56147566A true JPS56147566A (en) 1981-11-16
JPH0211069B2 JPH0211069B2 (cs) 1990-03-12

Family

ID=12880932

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5122380A Granted JPS56147566A (en) 1980-04-18 1980-04-18 Video camera

Country Status (1)

Country Link
JP (1) JPS56147566A (cs)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MX2008013542A (es) 2006-04-21 2008-10-31 Toko Yakuhin Kogyo Kk Preparacion rociable adhesiva para la piel/mucosa del tipo gel y sistema de administracion que utiliza la preparacion.

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS501606A (cs) * 1972-12-06 1975-01-09

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS501606A (cs) * 1972-12-06 1975-01-09

Also Published As

Publication number Publication date
JPH0211069B2 (cs) 1990-03-12

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