JPS5137490B2 - - Google Patents

Info

Publication number: JPS5137490B2
Authority: JP; Japan
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

JP48106487A

Other versions

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.)

1972-09-21

Filing date

1973-09-20

Publication date

1976-10-15

1973-09-20 Application filed filed Critical

1974-07-11 Publication of JPS4971821A publication Critical patent/JPS4971821A/ja

1976-10-15 Publication of JPS5137490B2 publication Critical patent/JPS5137490B2/ja

Status Expired legal-status Critical Current

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
- H04N23/50—Constructional details
- H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
- 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
- H04N23/71—Circuitry for evaluating the brightness variation
- 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)
Exposure Control For Cameras (AREA)

JP48106487A 1972-09-21 1973-09-20 Expired JPS5137490B2 (ja)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US29080272A	1972-09-21	1972-09-21

Publications (2)

Publication Number	Publication Date
JPS4971821A JPS4971821A (ja)	1974-07-11
JPS5137490B2 true JPS5137490B2 (ja)	1976-10-15

Family

ID=23117631

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP48106487A Expired JPS5137490B2 (ja)	1972-09-21	1973-09-20

Country Status (7)

Country	Link
US (1)	US3767853A (ja)
JP (1)	JPS5137490B2 (ja)
CA (1)	CA985777A (ja)
DE (1)	DE2347397C3 (ja)
FR (1)	FR2200970A5 (ja)
GB (1)	GB1443794A (ja)
NL (1)	NL7312668A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS55139866U (ja) *	1979-03-26	1980-10-06

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4037254A (en) *	1975-12-10	1977-07-19	Harris Corporation	Automatic digital iris correction
US4158859A (en) *	1977-07-25	1979-06-19	Hazeltine Corporation	Automatic control of iris and clamping voltage in video signal generator
US4268866A (en) *	1979-11-09	1981-05-19	Rca Corporation	Peak-response controller for average-responding automatic iris
JPS623958Y2 (ja) *	1980-04-14	1987-01-29
US4330870A (en) *	1980-09-05	1982-05-18	Datapoint Corporation	Optical data link
JPS5827472A (ja) *	1981-08-10	1983-02-18	Sony Corp	固体撮像装置の制御装置
US4622596A (en) *	1983-02-21	1986-11-11	Canon Kabushiki Kaisha	Image pickup apparatus
US4468700A (en) *	1983-03-15	1984-08-28	Lectrolarm Custom Systems, Inc.	Automatic iris control lens system
US4584610A (en) *	1984-02-16	1986-04-22	Olympus Optical Co., Ltd.	Electronic photographing apparatus
US4746988A (en) *	1986-06-30	1988-05-24	Eastman Kodak Company	Exposure control apparatus for a still video camera having an electronic viewfinder
JPH03274870A (ja) *	1990-03-24	1991-12-05	Sony Corp	ビデオカメラのアイリス制御装置
US5349382A (en) *	1991-01-25	1994-09-20	Canon Kabushiki Kaisha	Image pickup apparatus with image light focus prevention
GB9416406D0 (en) *	1994-08-13	1994-10-05	Univ Of Huddersfield	Colour inspection system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1727887U (de) *	1955-06-30	1956-08-09	Fernseh Gmbh	Vorrichtung zum schutz von fersehkameraobjektiven bzw. bildaufnahmeroehren.
DE1128461B (de) *	1959-01-15	1962-04-26	Fernseh Gmbh	Einrichtung zum Schutz einer Fernsehaufnahmeroehre gegen Fehl-bedienung ihrer motorisch angetriebenen Lichtstromregeleinrichtung
US3377427A (en) *	1965-07-29	1968-04-09	George J. Fischer	Light-sensitive optical control system for a television camera
US3652154A (en) *	1970-08-07	1972-03-28	Us Air Force	Light control system for use in very low light intensities
US3711644A (en) *	1970-09-18	1973-01-16	Copal Co Ltd	Automatic diaphragm control apparatus for image tube
US3691302A (en) *	1971-02-25	1972-09-12	Gte Sylvania Inc	Automatic light control for low light level television camera
US3961302A (en) *	1974-11-15	1976-06-01	Cts Corporation	Variable resistance control

1972
- 1972-09-21 US US00290802A patent/US3767853A/en not_active Expired - Lifetime
1973
- 1973-09-11 CA CA180,816A patent/CA985777A/en not_active Expired
- 1973-09-14 NL NL7312668A patent/NL7312668A/xx not_active Application Discontinuation
- 1973-09-18 GB GB4375273A patent/GB1443794A/en not_active Expired
- 1973-09-20 JP JP48106487A patent/JPS5137490B2/ja not_active Expired
- 1973-09-20 FR FR7333765A patent/FR2200970A5/fr not_active Expired
- 1973-09-20 DE DE2347397A patent/DE2347397C3/de not_active Expired

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS55139866U (ja) *	1979-03-26	1980-10-06

Also Published As

Publication number	Publication date
GB1443794A (en)	1976-07-28
AU6035773A (en)	1975-03-20
JPS4971821A (ja)	1974-07-11
DE2347397A1 (de)	1974-03-28
US3767853A (en)	1973-10-23
FR2200970A5 (ja)	1974-04-19
DE2347397B2 (de)	1976-03-25
NL7312668A (ja)	1974-03-25
DE2347397C3 (de)	1985-08-01
CA985777A (en)	1976-03-16

Publication	Publication Date	Title
FR2183079B1 (ja)	1984-03-30
JPS48100750A (ja)	1973-12-19
FR2200970A5 (ja)	1974-04-19
JPS5334353B2 (ja)	1978-09-20
FR2187344A1 (ja)	1974-01-18
JPS49132224A (ja)	1974-12-18
JPS48100352A (ja)	1973-12-18
JPS4932919U (ja)	1974-03-22
JPS493423A (ja)	1974-01-12
JPS49623U (ja)	1974-01-07
JPS5434698B2 (ja)	1979-10-29
JPS48104025A (ja)	1973-12-26
FR2212705B1 (ja)	1976-11-19
JPS5320968Y2 (ja)	1978-06-02
JPS5240053Y2 (ja)	1977-09-10
JPS5228411Y2 (ja)	1977-06-28
JPS4913887U (ja)	1974-02-05
CS155046B1 (ja)	1974-04-30
JPS4894714U (ja)	1973-11-12
JPS4927673U (ja)	1974-03-09
JPS4924839U (ja)	1974-03-02
CS153392B1 (ja)	1974-02-25
JPS4990710U (ja)	1974-08-06
JPS4967414U (ja)	1974-06-12
JPS4890037U (ja)	1973-10-30

JPS5137490B2 - - Google Patents

Info

Links

Classifications

Landscapes

Applications Claiming Priority (1)

Publications (2)

Family

ID=23117631

Family Applications (1)

Country Status (7)

Cited By (1)

Families Citing this family (13)

Family Cites Families (7)

Cited By (1)

Also Published As

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