JPH0560049B2 - - Google Patents

Info

Publication number
JPH0560049B2
JPH0560049B2 JP55090323A JP9032380A JPH0560049B2 JP H0560049 B2 JPH0560049 B2 JP H0560049B2 JP 55090323 A JP55090323 A JP 55090323A JP 9032380 A JP9032380 A JP 9032380A JP H0560049 B2 JPH0560049 B2 JP H0560049B2
Authority
JP
Japan
Prior art keywords
output
range
integral
switching
circuit
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 - Lifetime
Application number
JP55090323A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5714726A (en
Inventor
Yoshio Yuasa
Nobukazu Kawagoe
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.)
Minolta Co Ltd
Original Assignee
Minolta Co Ltd
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 Minolta Co Ltd filed Critical Minolta Co Ltd
Priority to JP9032380A priority Critical patent/JPS5714726A/ja
Priority to US06/279,215 priority patent/US4465370A/en
Publication of JPS5714726A publication Critical patent/JPS5714726A/ja
Publication of JPH0560049B2 publication Critical patent/JPH0560049B2/ja
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00Photometry, e.g. photographic exposure meter
    • G01J1/42Photometry, e.g. photographic exposure meter using electric radiation detectors
    • G01J1/44Electric circuits
    • G01J1/46Electric circuits using a capacitor
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00Photometry, e.g. photographic exposure meter
    • G01J1/42Photometry, e.g. photographic exposure meter using electric radiation detectors
    • G01J1/44Electric circuits
    • G01J2001/4406Plural ranges in circuit, e.g. switchable ranges; Adjusting sensitivity selecting gain values
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00Photometry, e.g. photographic exposure meter
    • G01J1/42Photometry, e.g. photographic exposure meter using electric radiation detectors
    • G01J1/44Electric circuits
    • G01J2001/4446Type of detector
    • G01J2001/446Photodiode
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12Analogue/digital converters
    • H03M1/50Analogue/digital converters with intermediate conversion to time interval

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
JP9032380A 1980-07-01 1980-07-01 Measuring device for quantity of light Granted JPS5714726A (en)

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 JPS5714726A (en) 1982-01-26
JPH0560049B2 true JPH0560049B2 (en]) 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 (en])
JP (1) JPS5714726A (en])

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008134097A (ja) * 2006-11-27 2008-06-12 Matsushita Electric Works Ltd センサ装置

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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
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
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
JPH02161401A (ja) * 1988-12-15 1990-06-21 Ricoh Co Ltd 高精度ミラーの作成方法
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
US6359274B1 (en) 1999-01-25 2002-03-19 Gentex Corporation Photodiode light sensor
US6402328B1 (en) 1999-01-25 2002-06-11 Gentex Corporation Automatic dimming mirror using semiconductor light sensor with integral charge collection
JP2003524545A (ja) * 1999-01-25 2003-08-19 ジェンテクス・コーポレーション 半導体光センサを用いる車両装置制御
US6313457B1 (en) 1999-01-25 2001-11-06 Gentex Corporation Moisture detecting system using semiconductor light sensor with integral charge collection
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
US7571511B2 (en) 2002-01-03 2009-08-11 Irobot Corporation Autonomous floor-cleaning robot
US7429843B2 (en) 2001-06-12 2008-09-30 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
ATE383569T1 (de) * 2001-10-10 2008-01-15 Forschungszentrum Juelich Gmbh Kamerakopf zur schnellen aufzeichnung von spektren eines vuv 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
US8428778B2 (en) 2002-09-13 2013-04-23 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
SG174000A1 (en) 2004-06-24 2011-09-29 Irobot Corp Remote control scheduler and method for autonomous robotic device
US8972052B2 (en) 2004-07-07 2015-03-03 Irobot Corporation Celestial navigation system for an autonomous vehicle
US7706917B1 (en) 2004-07-07 2010-04-27 Irobot Corporation Celestial navigation system for an autonomous robot
US8392021B2 (en) 2005-02-18 2013-03-05 Irobot Corporation Autonomous surface cleaning robot for wet cleaning
US7620476B2 (en) 2005-02-18 2009-11-17 Irobot Corporation Autonomous surface cleaning robot for dry cleaning
EP2149324B1 (en) 2005-02-18 2011-09-07 iRobot Corporation Autonomous surface cleaning robot for wet and dry cleaning
US8930023B2 (en) 2009-11-06 2015-01-06 Irobot Corporation Localization by learning of wave-signal distributions
EP2267568B1 (en) 2005-12-02 2014-09-24 iRobot Corporation Autonomous coverage robot navigation system
KR101099808B1 (ko) 2005-12-02 2011-12-27 아이로보트 코퍼레이션 로봇 시스템
EP2120122B1 (en) 2005-12-02 2013-10-30 iRobot Corporation Coverage robot mobility
EP2816434A3 (en) * 2005-12-02 2015-01-28 iRobot Corporation Autonomous coverage robot
WO2007065034A1 (en) 2005-12-02 2007-06-07 Irobot Corporation Modular robot
EP2548492B1 (en) 2006-05-19 2016-04-20 iRobot Corporation Removing debris from cleaning robots
US8417383B2 (en) 2006-05-31 2013-04-09 Irobot Corporation Detecting robot stasis
ES2571739T3 (es) 2007-05-09 2016-05-26 Irobot Corp Robot autónomo de cubrimiento compacto
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
US8151705B2 (en) 2008-09-24 2012-04-10 Fujifilm Corporation Method of preparing lithographic printing plate
EP2536322B1 (en) 2010-02-16 2017-04-05 iRobot Corporation Vacuum brush
US8620523B2 (en) 2011-06-24 2013-12-31 Gentex Corporation Rearview assembly with multiple ambient light sensors
WO2013022731A1 (en) 2011-08-05 2013-02-14 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
TWI655442B (zh) 2014-05-02 2019-04-01 日商半導體能源研究所股份有限公司 輸入/輸出裝置
DE102019114537A1 (de) * 2019-05-29 2020-12-03 OSRAM Opto Semiconductors Gesellschaft mit beschränkter Haftung Optoelektronisches sensorbauelement zur lichtmessung mit eingebauter redundanz
JP7516240B2 (ja) * 2020-12-24 2024-07-16 横河電機株式会社 光測定装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008134097A (ja) * 2006-11-27 2008-06-12 Matsushita Electric Works Ltd センサ装置

Also Published As

Publication number Publication date
US4465370A (en) 1984-08-14
JPS5714726A (en) 1982-01-26

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