Analogue circuits

Industry

CPC
G03B7/081

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Parent Industries

GPHYSICS G03Photography G03BAPPARATUS 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 G03B7/00Control of exposure by setting shutters, diaphragms or filters, separately or conjointly

Current Industry

G03B7/081Analogue circuits

Industries

Patents Grantslast 30 patents

Information Patent Grant
CMOS-analog IC for controlling camera and camera system using the same
- Patent number 5,708,880
- Issue date Jan 13, 1998
- Olympus Optical Co., Ltd.
- Keiji Kunishige
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
CMOS-analog IC for controlling camera and camera system using the same
- Patent number 5,557,363
- Issue date Sep 17, 1996
- Olympus Optical Co., Ltd.
- Keiji Kunishige
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photometering device
- Patent number 5,276,320
- Issue date Jan 4, 1994
- Nikon Corporation
- Seiichi Yasukawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Camera shutter and viewfinder control apparatus
- Patent number 5,032,863
- Issue date Jul 16, 1991
- Canon Kabushiki Kaisha
- Nobuaki Date
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Camera shutter and viewfinder control apparatus
- Patent number 4,945,379
- Issue date Jul 31, 1990
- Canon Kabushiki Kaisha
- Nobuaki Date
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photometric device
- Patent number 4,870,443
- Issue date Sep 26, 1989
- Canon Kabushiki Kaisha
- Shingo Hayakawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photometric device for pseudo format camera
- Patent number 4,855,780
- Issue date Aug 8, 1989
- Canon Kabushiki Kaisha
- Shingo Hayakawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Camera
- Patent number 4,827,304
- Issue date May 2, 1989
- Konishiroku Photo Industry Co., Ltd.
- Koji Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Camera
- Patent number 4,730,202
- Issue date Mar 8, 1988
- Konishiroku Photo Industry Co., Ltd.
- Koji Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Camera having an exposure mode change-over device
- Patent number 4,534,639
- Issue date Aug 13, 1985
- Canon Kabushiki Kaisha
- Yuichiro Konishi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Exposure control system for photographic camera apparatus
- Patent number 4,527,888
- Issue date Jul 9, 1985
- Polaroid Corporation
- George D. Whiteside
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Camera provided with a device for generating a signal representativ...
- Patent number 4,472,043
- Issue date Sep 18, 1984
- Canon Kabushiki Kaisha
- Ryoichi Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Exposure control device of camera for flash exposure
- Patent number 4,429,969
- Issue date Feb 7, 1984
- Nippon Kogaku K.K.
- Takashi Saegusa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Exposure control system
- Patent number 4,420,237
- Issue date Dec 13, 1983
- Canon Kabushiki Kaisha
- Yukio Ogawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Camera with exposure measuring system
- Patent number 4,391,500
- Issue date Jul 5, 1983
- Canon Kabushiki Kaisha
- Tokuichi Tsunekawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Exposure compensation information forming apparatus for a camera
- Patent number 4,382,667
- Issue date May 10, 1983
- Canon Kabushiki Kaisha
- Masayoshi Kiuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Adapter for coupling a photographic camera with a viewing device
- Patent number 4,273,431
- Issue date Jun 16, 1981
- Polaroid Corporation
- Zane M. Farmer
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Exposure adjusting device for camera
- Patent number 4,221,476
- Issue date Sep 9, 1980
- Canon Kabushiki Kaisha
- Hiroshi Aizawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photographic camera having electromagnetic operation control
- Patent number 4,129,877
- Issue date Dec 12, 1978
- Canon Kabushiki Kaisha
- Masayoshi Yamamichi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Scanning shutter blade arrangement with ambient and flash ranges
- Patent number 4,104,653
- Issue date Aug 1, 1978
- Polaroid Corporation
- Bruce K. Johnson
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Aperture setting device for use with exposure control device
- Patent number 4,079,390
- Issue date Mar 14, 1978
- West Electric Co., Ltd.
- Hiroshi Iwata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Light measuring circuit with stray capacitance compensating means
- Patent number 4,076,977
- Issue date Feb 28, 1978
- Canon Kabushiki Kaisha
- Tokuichi Tsunekawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electronic shutter control circuit
- Patent number 4,072,965
- Issue date Feb 7, 1978
- Fuji Photo Film Co., Ltd.
- Toshihiro Kondo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Exposure control system with braking capability
- Patent number 4,017,873
- Issue date Apr 12, 1977
- Polaroid Corporation
- Edwin K. Shenk
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Shutter for camera
- Patent number 4,017,872
- Issue date Apr 12, 1977
- West Electric Company, Ltd.
- Hiroshi Iwata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Exposure control device
- Patent number 4,009,866
- Issue date Mar 1, 1977
- West Electric Company, Ltd.
- Hiroshi Iwata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Trim control apparatus for photographic exposure control system
- Patent number 4,007,468
- Issue date Feb 8, 1977
- Polaroid Corporation
- Igor Blinow
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Systems for statically determining brightness characteristics of an...
- Patent number 3,994,595
- Issue date Nov 30, 1976
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Tsukumo Nobusawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Exposure control system employing a blade position sensor
- Patent number 3,977,012
- Issue date Aug 24, 1976
- Polaroid Corporation
- Irving Erlichman
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Automatic exposure control system
- Patent number 3,975,744
- Issue date Aug 17, 1976
- Polaroid Corporation
- Bruce K. Johnson
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Analogue circuits

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

CMOS-analog IC for controlling camera and camera system using the same

CMOS-analog IC for controlling camera and camera system using the same

Photometering device

Camera shutter and viewfinder control apparatus

Camera shutter and viewfinder control apparatus

Photometric device

Photometric device for pseudo format camera

Camera

Camera

Camera having an exposure mode change-over device

Exposure control system for photographic camera apparatus

Camera provided with a device for generating a signal representativ...

Exposure control device of camera for flash exposure

Exposure control system

Camera with exposure measuring system

Exposure compensation information forming apparatus for a camera

Adapter for coupling a photographic camera with a viewing device

Exposure adjusting device for camera

Photographic camera having electromagnetic operation control

Scanning shutter blade arrangement with ambient and flash ranges

Aperture setting device for use with exposure control device

Light measuring circuit with stray capacitance compensating means

Electronic shutter control circuit

Exposure control system with braking capability

Shutter for camera

Exposure control device

Trim control apparatus for photographic exposure control system

Systems for statically determining brightness characteristics of an...

Exposure control system employing a blade position sensor

Automatic exposure control system