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using light beam separating prisms
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G02B7/343
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PHYSICS
G02
Optics
G02B
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
G02B7/00
Mountings, adjusting means, or light-tight connections, for optical elements
Current Industry
G02B7/343
using light beam separating prisms
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Patents Grants
last 30 patents
Information
Patent Grant
System and method for measuring the focus state of an optical instr...
Patent number
11,237,375
Issue date
Feb 1, 2022
LABORATORIO EUROPEO DI SPETTROSCOPIE NON LINEARI (LENS)
Ludovico Silvestri
G02 - OPTICS
Information
Patent Grant
Image capturing apparatus and focusing method thereof
Patent number
10,298,833
Issue date
May 21, 2019
Hamamatsu Photonics K.K.
Hideshi Oishi
G02 - OPTICS
Information
Patent Grant
Focus adjustment apparatus, control method of focus adjustment appa...
Patent number
10,116,857
Issue date
Oct 30, 2018
Canon Kabushiki Kaisha
Naoki Iwasaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Imaging device
Patent number
9,723,292
Issue date
Aug 1, 2017
FUJIFILM Corporation
Shuji Ono
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Auto-focus device and method for controlling operation of same
Patent number
9,609,204
Issue date
Mar 28, 2017
FUJIFILM Corporation
Takashi Ebato
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image sensing apparatus, image sensing system and focus detection m...
Patent number
9,560,258
Issue date
Jan 31, 2017
Canon Kabushiki Kaisha
Ryo Yamasaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Lens device
Patent number
9,554,034
Issue date
Jan 24, 2017
FUJIFILM Corporation
Yoshitaka Mori
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Automatic focusing apparatus with cyclic pattern determination
Patent number
9,411,128
Issue date
Aug 9, 2016
Canon Kabushiki Kaisha
Shingo Isobe
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Automatic focusing apparatus with cyclic pattern determination
Patent number
8,860,872
Issue date
Oct 14, 2014
Canon Kabushiki Kaisha
Shingo Isobe
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Distance measuring device and imaging device
Patent number
8,773,645
Issue date
Jul 8, 2014
Nikon Corporation
Yasushi Ogino
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image sensing apparatus, image sensing system and focus detection m...
Patent number
8,767,118
Issue date
Jul 1, 2014
Canon Kabushiki Kaisha
Ryo Yamasaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method of measuring irradiation position shift and focus shift in o...
Patent number
8,755,094
Issue date
Jun 17, 2014
Canon Kabushiki Kaisha
Yasuaki Otoguro
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Semiconductor device
Patent number
8,754,978
Issue date
Jun 17, 2014
Canon Kabushiki Kaisha
Hidetoshi Hayashi
G01 - MEASURING TESTING
Information
Patent Grant
Image sensing apparatus, image sensing system and focus detection m...
Patent number
8,405,760
Issue date
Mar 26, 2013
Canon Kabushiki Kaisha
Ryo Yamasaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image-taking apparatus and control method thereof
Patent number
7,665,912
Issue date
Feb 23, 2010
Canon Kabushiki Kaisha
Makoto Oikawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical apparatus and image-taking system
Patent number
7,616,879
Issue date
Nov 10, 2009
Canon Kabushiki Kaisha
Akihiko Nagano
G02 - OPTICS
Information
Patent Grant
Camera, control method therefor, program, and storage medium
Patent number
7,565,072
Issue date
Jul 21, 2009
Canon Kabushiki Kaisha
Kenji Ito
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Focus-state detecting device, image sensing apparatus and image sen...
Patent number
7,414,231
Issue date
Aug 19, 2008
Canon Kabushiki Kaisha
Hajime Fukui
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image sensing apparatus with movable light flux splitter and contro...
Patent number
7,355,154
Issue date
Apr 8, 2008
Canon Kabushiki Kaisha
Koichi Washisu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Autofocus module for microscope-based systems
Patent number
6,875,972
Issue date
Apr 5, 2005
Leica Microsystems Wetzlar GmbH
Albert Kreh
G02 - OPTICS
Information
Patent Grant
Autofocus system
Patent number
6,809,883
Issue date
Oct 26, 2004
Fuji Photo Optical Co., Ltd.
Satoshi Yahagi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Surveying instrument having a phase-difference detection type focus...
Patent number
6,677,568
Issue date
Jan 13, 2004
PENTAX Corporation
Masami Shirai
G01 - MEASURING TESTING
Information
Patent Grant
Focus error signal detection device with separating prism
Patent number
5,281,802
Issue date
Jan 25, 1994
Ricoh Company, Ltd.
Junichi Kitabayashi
G02 - OPTICS
Information
Patent Grant
Focus detecting device
Patent number
4,849,782
Issue date
Jul 18, 1989
Canon Kabushiki Kaisha
Takeshi Koyama
G02 - OPTICS
Information
Patent Grant
Focusing detector having a scanning grating used both as a beam spl...
Patent number
4,816,664
Issue date
Mar 28, 1989
Ernst Leitz Wetzlar GmbH
Klaus-Dieter Schaefer
G02 - OPTICS
Information
Patent Grant
Focus detecting optical system including two prisms for light refra...
Patent number
4,808,808
Issue date
Feb 28, 1989
Minolta Camera Kabushiki Kaisha
Toshihiko Karasaki
G02 - OPTICS
Information
Patent Grant
Flash photographing system
Patent number
4,760,418
Issue date
Jul 26, 1988
Canon Kabushiki Kaisha
Akira Ishizaki
G02 - OPTICS
Information
Patent Grant
Light measuring device for a camera
Patent number
4,745,426
Issue date
May 17, 1988
Canon Kabushiki Kaisha
Yasuo Suda
G02 - OPTICS
Information
Patent Grant
Photographic apparatus
Patent number
4,697,905
Issue date
Oct 6, 1987
Canon Kabushiki Kaisha
Kazuo Fujibayashi
G02 - OPTICS
Information
Patent Grant
Focus detector system with a distortion compensation mask
Patent number
4,698,492
Issue date
Oct 6, 1987
Canon Kabushiki Kaisha
Keiji Ohtaka
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
SYSTEM AND METHOD FOR MEASURING THE FOCUS STATE OF AN OPTICAL INSTR...
Publication number
20190339504
Publication date
Nov 7, 2019
LABORATORIO EUROPEO Dl SPETTROSCOPIE NON LINEARI (LENS)
Ludovico SILVESTRI
G02 - OPTICS
Information
Patent Application
IMAGE CAPTURING APPARATUS, CONTROL METHOD THEREFOR, AND STORAGE MEDIUM
Publication number
20170302844
Publication date
Oct 19, 2017
Canon Kabushiki Kaisha
Miyako Nakamoto
G02 - OPTICS
Information
Patent Application
AUTOMATIC FOCUSING APPARATUS WITH CYCLIC PATTERN DETERMINATION
Publication number
20140340564
Publication date
Nov 20, 2014
Shingo Isobe
G02 - OPTICS
Information
Patent Application
IMAGE SENSING APPARATUS, IMAGE SENSING SYSTEM AND FOCUS DETECTION M...
Publication number
20140247385
Publication date
Sep 4, 2014
Canon Kabushiki Kaisha
Ryo Yamasaki
G02 - OPTICS
Information
Patent Application
IMAGE SENSING APPARATUS, IMAGE SENSING SYSTEM AND FOCUS DETECTION M...
Publication number
20130169858
Publication date
Jul 4, 2013
Canon Kabushiki Kaisha
Ryo Yamasaki
G02 - OPTICS
Information
Patent Application
SEMICONDUCTOR DEVICE
Publication number
20130063633
Publication date
Mar 14, 2013
Canon Kabushiki Kaisha
Hidetoshi Hayashi
G02 - OPTICS
Information
Patent Application
IMAGE PICKUP APPARATUS AND METHOD FOR CONTROLLING THE SAME
Publication number
20120300083
Publication date
Nov 29, 2012
Canon Kabushiki Kaisha
Shohei Funamoto
G02 - OPTICS
Information
Patent Application
METHOD OF MEASURING IRRADIATION POSITION SHIFT AND FOCUS SHIFT IN O...
Publication number
20120287483
Publication date
Nov 15, 2012
Canon Kabushiki Kaisha
Yasuaki Otoguro
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Automatic Focusing Apparatus
Publication number
20120281131
Publication date
Nov 8, 2012
Canon Kabushiki Kaisha
Shingo Isobe
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DISTANCE MEASURING DEVICE AND IMAGING DEVICE
Publication number
20120120383
Publication date
May 17, 2012
Nikon Corporation
Yasushi Ogino
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
IMAGE SENSING APPARATUS, IMAGE SENSING SYSTEM AND FOCUS DETECTION M...
Publication number
20100045849
Publication date
Feb 25, 2010
Canon Kabushiki Kaisha
Ryo Yamasaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Image-taking apparatus and control method thereof
Publication number
20060275026
Publication date
Dec 7, 2006
Makoto Oikawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Image sensing apparatus
Publication number
20060226341
Publication date
Oct 12, 2006
Koichi Washisu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Camera, control method therefor, program, and storage medium
Publication number
20060165403
Publication date
Jul 27, 2006
Kenji Ito
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical apparatus and image-taking system
Publication number
20060120710
Publication date
Jun 8, 2006
Akihiko Nagano
G02 - OPTICS
Information
Patent Application
Focus-state detecting device, image sensing apparatus image sensing...
Publication number
20060066957
Publication date
Mar 30, 2006
Hajime Fukui
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Autofocus module for microscope-based systems
Publication number
20040124334
Publication date
Jul 1, 2004
Albert Kreh
G02 - OPTICS
Information
Patent Application
Autofocus system
Publication number
20030174413
Publication date
Sep 18, 2003
Satoshi Yahagi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Surveying instrument having a phase-difference detection type focus...
Publication number
20020008189
Publication date
Jan 24, 2002
ASAHI KOGAKU KOGYO KABUSHIKI KAISHA
Masami Shirai
G01 - MEASURING TESTING
Information
Patent Application
Multipoint focus detecting apparatus
Publication number
20010008580
Publication date
Jul 19, 2001
ASAHI KOGAKU KOGYO KABUSHIKI KAISHA
Takayuki Sensui
G02 - OPTICS