JPS5714726A - Measuring device for quantity of light - Google Patents
Measuring device for quantity of lightInfo
- Publication number
- JPS5714726A JPS5714726A JP9032380A JP9032380A JPS5714726A JP S5714726 A JPS5714726 A JP S5714726A JP 9032380 A JP9032380 A JP 9032380A JP 9032380 A JP9032380 A JP 9032380A JP S5714726 A JPS5714726 A JP S5714726A
- Authority
- JP
- Japan
- Prior art keywords
- light
- capacitor
- switch
- output
- opened
- 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
Links
- 239000003990 capacitor Substances 0.000 abstract 4
- 238000005259 measurement Methods 0.000 abstract 2
- 239000008186 active pharmaceutical agent Substances 0.000 abstract 1
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 230000004907 flux Effects 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
- G01J1/44—Electric circuits
- G01J1/46—Electric circuits using a capacitor
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
- G01J1/44—Electric circuits
- G01J2001/4406—Plural ranges in circuit, e.g. switchable ranges; Adjusting sensitivity selecting gain values
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
- G01J1/44—Electric circuits
- G01J2001/4446—Type of detector
- G01J2001/446—Photodiode
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/12—Analogue/digital converters
- H03M1/50—Analogue/digital converters with intermediate conversion to time interval
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9032380A JPS5714726A (en) | 1980-07-01 | 1980-07-01 | Measuring device for quantity of light |
US06/279,215 US4465370A (en) | 1980-07-01 | 1981-06-30 | Light measuring device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9032380A JPS5714726A (en) | 1980-07-01 | 1980-07-01 | Measuring device for quantity of light |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP31694887A Division JPS63282622A (ja) | 1987-12-15 | 1987-12-15 | 光測定装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5714726A true JPS5714726A (en) | 1982-01-26 |
JPH0560049B2 JPH0560049B2 (ja) | 1993-09-01 |
Family
ID=13995308
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9032380A Granted JPS5714726A (en) | 1980-07-01 | 1980-07-01 | Measuring device for quantity of light |
Country Status (2)
Country | Link |
---|---|
US (1) | US4465370A (ja) |
JP (1) | JPS5714726A (ja) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6315082A (ja) * | 1986-07-08 | 1988-01-22 | 川崎製鉄株式会社 | 竪型冶金炉炉頂部への散水方法 |
JPH02161401A (ja) * | 1988-12-15 | 1990-06-21 | Ricoh Co Ltd | 高精度ミラーの作成方法 |
US9622635B2 (en) | 2001-01-24 | 2017-04-18 | Irobot Corporation | Autonomous floor-cleaning robot |
US9949608B2 (en) | 2002-09-13 | 2018-04-24 | Irobot Corporation | Navigational control system for a robotic device |
US9955841B2 (en) | 2006-05-19 | 2018-05-01 | Irobot Corporation | Removing debris from cleaning robots |
US10070764B2 (en) | 2007-05-09 | 2018-09-11 | Irobot Corporation | Compact autonomous coverage robot |
US10314449B2 (en) | 2010-02-16 | 2019-06-11 | Irobot Corporation | Vacuum brush |
US10521032B2 (en) | 2014-05-02 | 2019-12-31 | Semiconductor Energy Laboratory Co., Ltd. | Display device and input/output device |
Families Citing this family (50)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4882586A (en) * | 1984-06-13 | 1989-11-21 | Nartron Corporation | Analog-to-digital converter |
GB8605394D0 (en) * | 1986-03-05 | 1986-05-08 | Nat Radiological Protection Bo | Radiation detector |
US4909633A (en) * | 1986-05-12 | 1990-03-20 | Minolta Camera Kabushiki Kaisha | Multi-channel spectral light measuring device |
US4720628A (en) * | 1986-10-27 | 1988-01-19 | Tegal Corporation | Optical process for determining the endpoint of a process via analog multiplication of photocell signals |
JPS63163119A (ja) * | 1986-12-25 | 1988-07-06 | Fuji Electric Co Ltd | フオトセンサの受光強度測定装置 |
US4983973A (en) * | 1989-05-22 | 1991-01-08 | Brooktree Corporation | Non-linear analog-to-digital converter |
GB2235344B (en) * | 1989-08-24 | 1993-08-04 | Schlumberger Technologies Ltd | Analogue-to-digital converter |
JPH07119122B2 (ja) * | 1990-03-09 | 1995-12-20 | 富士ゼロックス株式会社 | レーザビームプリンタ |
CA2127076A1 (en) * | 1993-07-01 | 1995-01-02 | Soon-Gil Seo | Brightness measuring device for a camera and related control method |
US5850195A (en) * | 1993-09-09 | 1998-12-15 | Texas Instruments Incorporated | Monolithic light-to-digital signal converter |
US6313457B1 (en) | 1999-01-25 | 2001-11-06 | Gentex Corporation | Moisture detecting system using semiconductor light sensor with integral charge collection |
US6402328B1 (en) | 1999-01-25 | 2002-06-11 | Gentex Corporation | Automatic dimming mirror using semiconductor light sensor with integral charge collection |
US6359274B1 (en) * | 1999-01-25 | 2002-03-19 | Gentex Corporation | Photodiode light sensor |
KR100682523B1 (ko) * | 1999-01-25 | 2007-02-15 | 젠텍스 코포레이션 | 반도체 광 센서들을 가진 차량 기기 제어장치 |
US8788092B2 (en) | 2000-01-24 | 2014-07-22 | Irobot Corporation | Obstacle following sensor scheme for a mobile robot |
US8412377B2 (en) | 2000-01-24 | 2013-04-02 | Irobot Corporation | Obstacle following sensor scheme for a mobile robot |
US6956348B2 (en) | 2004-01-28 | 2005-10-18 | Irobot Corporation | Debris sensor for cleaning apparatus |
DE10026491A1 (de) * | 2000-05-27 | 2001-12-06 | Bosch Gmbh Robert | Lichtsensorsystem |
US6690134B1 (en) | 2001-01-24 | 2004-02-10 | Irobot Corporation | Method and system for robot localization and confinement |
US7663333B2 (en) | 2001-06-12 | 2010-02-16 | Irobot Corporation | Method and system for multi-mode coverage for an autonomous robot |
US8396592B2 (en) | 2001-06-12 | 2013-03-12 | Irobot Corporation | Method and system for multi-mode coverage for an autonomous robot |
WO2003034006A1 (de) * | 2001-10-10 | 2003-04-24 | Forschungszentrum Jülich GmbH | Kamerakopf zur schnellen aufzeichnung von spektren eines uv-spektrometers |
US7543946B2 (en) * | 2002-01-10 | 2009-06-09 | Gentex Corporation | Dimmable rearview assembly having a glare sensor |
US9128486B2 (en) | 2002-01-24 | 2015-09-08 | Irobot Corporation | Navigational control system for a robotic device |
US8386081B2 (en) * | 2002-09-13 | 2013-02-26 | Irobot Corporation | Navigational control system for a robotic device |
US7332890B2 (en) | 2004-01-21 | 2008-02-19 | Irobot Corporation | Autonomous robot auto-docking and energy management systems and methods |
JP2007530978A (ja) | 2004-03-29 | 2007-11-01 | エヴォリューション ロボティクス インコーポレイテッド | 反射光源を使用する位置推定方法および装置 |
US9008835B2 (en) | 2004-06-24 | 2015-04-14 | Irobot Corporation | Remote control scheduler and method for autonomous robotic device |
US7706917B1 (en) | 2004-07-07 | 2010-04-27 | Irobot Corporation | Celestial navigation system for an autonomous robot |
US8972052B2 (en) | 2004-07-07 | 2015-03-03 | Irobot Corporation | Celestial navigation system for an autonomous vehicle |
US8392021B2 (en) | 2005-02-18 | 2013-03-05 | Irobot Corporation | Autonomous surface cleaning robot for wet cleaning |
EP2145573B1 (en) | 2005-02-18 | 2011-09-07 | iRobot Corporation | Autonomous surface cleaning robot for wet and dry cleaning |
US7620476B2 (en) | 2005-02-18 | 2009-11-17 | Irobot Corporation | Autonomous surface cleaning robot for dry cleaning |
US8930023B2 (en) | 2009-11-06 | 2015-01-06 | Irobot Corporation | Localization by learning of wave-signal distributions |
KR101300492B1 (ko) | 2005-12-02 | 2013-09-02 | 아이로보트 코퍼레이션 | 커버리지 로봇 이동성 |
EP2816434A3 (en) * | 2005-12-02 | 2015-01-28 | iRobot Corporation | Autonomous coverage robot |
ES2623920T3 (es) | 2005-12-02 | 2017-07-12 | Irobot Corporation | Sistema de robot. |
EP2270619B1 (en) | 2005-12-02 | 2013-05-08 | iRobot Corporation | Modular robot |
KR101099808B1 (ko) | 2005-12-02 | 2011-12-27 | 아이로보트 코퍼레이션 | 로봇 시스템 |
US8417383B2 (en) | 2006-05-31 | 2013-04-09 | Irobot Corporation | Detecting robot stasis |
JP2008134097A (ja) * | 2006-11-27 | 2008-06-12 | Matsushita Electric Works Ltd | センサ装置 |
JP5027735B2 (ja) * | 2007-05-25 | 2012-09-19 | サッポロビール株式会社 | 発泡性アルコール飲料の製造方法 |
US7902537B2 (en) * | 2007-06-29 | 2011-03-08 | Sandisk 3D Llc | Memory cell that employs a selectively grown reversible resistance-switching element and methods of forming the same |
JP5073609B2 (ja) * | 2008-08-11 | 2012-11-14 | 日東電工株式会社 | 光導波路の製造方法 |
EP2168767A1 (en) | 2008-09-24 | 2010-03-31 | Fujifilm Corporation | Method of preparing lithographic printing plate |
US8620523B2 (en) | 2011-06-24 | 2013-12-31 | Gentex Corporation | Rearview assembly with multiple ambient light sensors |
EP2740003B1 (en) | 2011-08-05 | 2017-06-14 | Gentex Corporation | Optical assembly for a light sensor |
US9870753B2 (en) | 2013-02-12 | 2018-01-16 | Gentex Corporation | Light sensor having partially opaque optic |
US9207116B2 (en) | 2013-02-12 | 2015-12-08 | Gentex Corporation | Light sensor |
JP2022101257A (ja) * | 2020-12-24 | 2022-07-06 | 横河電機株式会社 | 光測定装置 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3102921A (en) * | 1957-12-21 | 1963-09-03 | Renault | Multi-channel spectral analyzer with internal standard control of light integration period |
JPS524765A (en) * | 1975-06-30 | 1977-01-14 | Hewlett Packard Yokogawa | Dual slope analoggtoodigital converter |
US4107667A (en) * | 1976-11-22 | 1978-08-15 | Texas Instruments Incorporated | Dual slope analog-to-digital converter with unique counting arrangement |
US4203668A (en) * | 1978-03-31 | 1980-05-20 | Creative Phototronics, Inc. | Digital exposure meter |
-
1980
- 1980-07-01 JP JP9032380A patent/JPS5714726A/ja active Granted
-
1981
- 1981-06-30 US US06/279,215 patent/US4465370A/en not_active Expired - Fee Related
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6315082A (ja) * | 1986-07-08 | 1988-01-22 | 川崎製鉄株式会社 | 竪型冶金炉炉頂部への散水方法 |
JPH02161401A (ja) * | 1988-12-15 | 1990-06-21 | Ricoh Co Ltd | 高精度ミラーの作成方法 |
US9622635B2 (en) | 2001-01-24 | 2017-04-18 | Irobot Corporation | Autonomous floor-cleaning robot |
US9949608B2 (en) | 2002-09-13 | 2018-04-24 | Irobot Corporation | Navigational control system for a robotic device |
US9955841B2 (en) | 2006-05-19 | 2018-05-01 | Irobot Corporation | Removing debris from cleaning robots |
US11072250B2 (en) | 2007-05-09 | 2021-07-27 | Irobot Corporation | Autonomous coverage robot sensing |
US10070764B2 (en) | 2007-05-09 | 2018-09-11 | Irobot Corporation | Compact autonomous coverage robot |
US11498438B2 (en) | 2007-05-09 | 2022-11-15 | Irobot Corporation | Autonomous coverage robot |
US10314449B2 (en) | 2010-02-16 | 2019-06-11 | Irobot Corporation | Vacuum brush |
US11058271B2 (en) | 2010-02-16 | 2021-07-13 | Irobot Corporation | Vacuum brush |
US10521032B2 (en) | 2014-05-02 | 2019-12-31 | Semiconductor Energy Laboratory Co., Ltd. | Display device and input/output device |
US11307687B2 (en) | 2014-05-02 | 2022-04-19 | Semiconductor Energy Laboratory Co., Ltd. | Display device and input/output device |
US11644918B2 (en) | 2014-05-02 | 2023-05-09 | Semiconductor Energy Laboratory Co., Ltd. | Display device and input/output device |
Also Published As
Publication number | Publication date |
---|---|
JPH0560049B2 (ja) | 1993-09-01 |
US4465370A (en) | 1984-08-14 |
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