FR2507335B1 - Appareil de commande de l'ouverture du diaphragme d'une camera - Google Patents

Appareil de commande de l'ouverture du diaphragme d'une camera

Info

Publication number
FR2507335B1
FR2507335B1 FR8209412A FR8209412A FR2507335B1 FR 2507335 B1 FR2507335 B1 FR 2507335B1 FR 8209412 A FR8209412 A FR 8209412A FR 8209412 A FR8209412 A FR 8209412A FR 2507335 B1 FR2507335 B1 FR 2507335B1
Authority
FR
France
Prior art keywords
diaphragm
camera
controlling
opening
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
FR8209412A
Other languages
English (en)
Other versions
FR2507335A1 (fr
Inventor
Ryuji Shiono
Tadashi Esashika
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Publication of FR2507335A1 publication Critical patent/FR2507335A1/fr
Application granted granted Critical
Publication of FR2507335B1 publication Critical patent/FR2507335B1/fr
Expired 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
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
    • G03B7/08—Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device
    • G03B7/091—Digital circuits
    • G03B7/095—Digital circuits for control of aperture

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure Control For Cameras (AREA)
  • Diaphragms For Cameras (AREA)
FR8209412A 1981-06-03 1982-05-28 Appareil de commande de l'ouverture du diaphragme d'une camera Expired FR2507335B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56085363A JPS57200017A (en) 1981-06-03 1981-06-03 Aperture locking device

Publications (2)

Publication Number Publication Date
FR2507335A1 FR2507335A1 (fr) 1982-12-10
FR2507335B1 true FR2507335B1 (fr) 1986-03-28

Family

ID=13856623

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8209412A Expired FR2507335B1 (fr) 1981-06-03 1982-05-28 Appareil de commande de l'ouverture du diaphragme d'une camera

Country Status (9)

Country Link
US (1) US4471383A (fr)
JP (1) JPS57200017A (fr)
AT (1) AT384511B (fr)
AU (1) AU554366B2 (fr)
CA (1) CA1168496A (fr)
DE (1) DE3220929A1 (fr)
FR (1) FR2507335B1 (fr)
GB (1) GB2101770B (fr)
NL (1) NL191106C (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58154972A (ja) * 1982-03-10 1983-09-14 Hitachi Ltd ビデオカメラの絞り値検出装置
JPS58156271A (ja) * 1982-03-12 1983-09-17 Hitachi Ltd レンズの絞り値検出装置
JPS5919471A (ja) * 1982-07-24 1984-01-31 Asahi Optical Co Ltd ビデオカメラのアイリス制御回路
JPS59148471A (ja) * 1983-02-14 1984-08-25 Asahi Optical Co Ltd 電子カメラの絞装置
JPS59208534A (ja) * 1983-05-12 1984-11-26 Olympus Optical Co Ltd プログラム式カメラの絞り制御装置
JPS60167576A (ja) * 1984-01-31 1985-08-30 Canon Inc 撮像装置
US4638366A (en) * 1984-07-13 1987-01-20 Hitachi Denshi Kabushiki Kaisha Automatic iris adjustment system
JPH01218268A (ja) * 1988-02-26 1989-08-31 Sony Corp 交換レンズ装置及びカメラ装置
JP2840744B2 (ja) * 1988-04-06 1998-12-24 ソニー株式会社 ビデオカメラ
US5428421A (en) * 1989-02-27 1995-06-27 Canon Kabushiki Kaisha Exposure control device
JPH04172879A (ja) * 1990-11-07 1992-06-19 Canon Inc 撮像装置
US5898459A (en) * 1997-03-26 1999-04-27 Lectrolarm Custom Systems, Inc. Multi-camera programmable pan-and-tilt apparatus
DE69830384T2 (de) * 1997-09-11 2006-01-26 Robert Bosch Gmbh Iris-steuerung
JP2001159770A (ja) * 1999-12-02 2001-06-12 Asahi Precision Co Ltd Ｃｃｔｖカメラ用レンズの絞り制御装置
AT413455B (de) * 2002-01-18 2006-03-15 Christian Ing Mag Tschida System mit einer kamera, passive zubehörkomponente und steuereinrichtung hiefür
US7315273B2 (en) * 2004-11-08 2008-01-01 Sony Corporation Analog-to-digital conversion method, analog-to-digital converter, semiconductor device for detecting distribution of physical quantity, and electronic apparatus
CN106154687A (zh) * 2016-07-19 2016-11-23 柳州龙辉科技有限公司 数码相机光圈驱动电路

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2316261B2 (de) * 1973-03-31 1978-09-21 Ernst Leitz Wetzlar Gmbh, 6300 Lahn- Wetzlar Vorrichtung zur Langzeit-Speicherung einer einem Belichtungsparameter analogen Spannung in fotografischen Kameras
NL7701811A (nl) * 1977-02-21 1978-08-23 Philips Nv Televisiekamera voorzien van een diafragma- regeling en een regelbare beeldsignaalver- sterkingsschakeling.
DE2734309A1 (de) * 1977-07-29 1979-02-08 Agfa Gevaert Ag Kinematografische kamera mit einer blendenregelvorrichtung
CH620524A5 (fr) * 1977-09-30 1980-11-28 Pignons Sa
US4190864A (en) * 1978-09-21 1980-02-26 Rca Corporation Remote iris control for television cameras
JPH0112252Y2 (fr) * 1980-01-21 1989-04-11
JPS56104579A (en) * 1980-01-23 1981-08-20 Nec Corp Television camera device
JPS5796422U (fr) * 1980-12-01 1982-06-14
JPS57207484A (en) * 1981-06-17 1982-12-20 Ikegami Tsushinki Co Ltd Protective device for pickup tube of television camera

Also Published As

Publication number Publication date
FR2507335A1 (fr) 1982-12-10
NL8202233A (nl) 1983-01-03
AT384511B (de) 1987-11-25
DE3220929C2 (fr) 1992-04-02
CA1168496A (fr) 1984-06-05
GB2101770B (en) 1985-03-27
GB2101770A (en) 1983-01-19
NL191106C (nl) 1995-01-16
NL191106B (nl) 1994-08-16
AU554366B2 (en) 1986-08-21
US4471383A (en) 1984-09-11
ATA214582A (de) 1987-04-15
DE3220929A1 (de) 1982-12-23
AU8429682A (en) 1982-12-09
JPS57200017A (en) 1982-12-08
JPH038526B2 (fr) 1991-02-06

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