BR7203428D0 - Aperfeicoamento em dispositivos medidores da opacidade de fumacas - Google Patents

Aperfeicoamento em dispositivos medidores da opacidade de fumacas

Info

Publication number
BR7203428D0
BR7203428D0 BR3428/72A BR342872A BR7203428D0 BR 7203428 D0 BR7203428 D0 BR 7203428D0 BR 3428/72 A BR3428/72 A BR 3428/72A BR 342872 A BR342872 A BR 342872A BR 7203428 D0 BR7203428 D0 BR 7203428D0
Authority
BR
Brazil
Prior art keywords
improvement
measuring devices
smoke opacity
opacity measuring
smoke
Prior art date
Application number
BR3428/72A
Other languages
English (en)
Inventor
L Bignardi
Original Assignee
Tecneco Spa
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 Tecneco Spa filed Critical Tecneco Spa
Publication of BR7203428D0 publication Critical patent/BR7203428D0/pt

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/47—Scattering, i.e. diffuse reflection
    • G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
    • G01N21/53—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke
    • G01N21/534—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke by measuring transmission alone, i.e. determining opacity

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
BR3428/72A 1971-05-26 1972-05-26 Aperfeicoamento em dispositivos medidores da opacidade de fumacas BR7203428D0 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2499771 1971-05-26

Publications (1)

Publication Number Publication Date
BR7203428D0 true BR7203428D0 (pt) 1973-05-17

Family

ID=11215364

Family Applications (1)

Application Number Title Priority Date Filing Date
BR3428/72A BR7203428D0 (pt) 1971-05-26 1972-05-26 Aperfeicoamento em dispositivos medidores da opacidade de fumacas

Country Status (6)

Country Link
US (1) US3816004A (pt)
JP (1) JPS5429914B1 (pt)
AR (1) AR202375A1 (pt)
BR (1) BR7203428D0 (pt)
CA (1) CA971769A (pt)
ES (1) ES403465A1 (pt)

Families Citing this family (33)

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GB1549193A (en) * 1975-04-29 1979-08-01 Hartridge Ltd Leslie Apparatus for measuring smoke density
EP0200553B1 (en) * 1985-05-01 1990-12-19 Nippondenso Co., Ltd. Optical dust detector assembly
KR910006887B1 (ko) * 1988-06-15 1991-09-10 마쯔시다덴기산교 가부시기가이샤 전기소제기의 쓰레기 검지장치
US5819367A (en) * 1997-02-25 1998-10-13 Yashima Electric Co., Ltd. Vacuum cleaner with optical sensor
US8412377B2 (en) 2000-01-24 2013-04-02 Irobot Corporation Obstacle following sensor scheme for a mobile robot
US8788092B2 (en) 2000-01-24 2014-07-22 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
US7571511B2 (en) 2002-01-03 2009-08-11 Irobot Corporation Autonomous floor-cleaning robot
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
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
US7720554B2 (en) 2004-03-29 2010-05-18 Evolution Robotics, Inc. Methods and apparatus for position estimation using reflected light sources
JP2008508572A (ja) 2004-06-24 2008-03-21 アイロボット コーポレーション 携帯ロボットのプログラミングおよび診断ツール
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
ES2346343T3 (es) 2005-02-18 2010-10-14 Irobot Corporation Robot autonomo de limpieza de superficies para una limpieza en seco y en mojado.
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
EP1969438B1 (en) 2005-12-02 2009-09-09 iRobot Corporation Modular robot
KR101300493B1 (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
EP2544065B1 (en) 2005-12-02 2017-02-08 iRobot Corporation Robot system
ES2706729T3 (es) 2005-12-02 2019-04-01 Irobot Corp Sistema de robot
EP2394553B1 (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
EP3031375B1 (en) 2007-05-09 2021-11-03 iRobot Corporation Compact autonomous coverage robot
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
CN105147193B (zh) 2010-02-16 2018-06-12 艾罗伯特公司 真空吸尘器毛刷

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3496558A (en) * 1967-07-03 1970-02-17 Univ Utah Methane and coal dust detection
US3541336A (en) * 1967-11-08 1970-11-17 Harry Einstein Photoelectric gas monitor having either reflective or absorbing plate at one end of sample tube
US3600590A (en) * 1968-11-12 1971-08-17 Harry Einstein Gas measuring apparatus for detecting contaminants

Also Published As

Publication number Publication date
ES403465A1 (es) 1975-05-01
JPS5429914B1 (pt) 1979-09-27
US3816004A (en) 1974-06-11
CA971769A (en) 1975-07-29
AR202375A1 (es) 1975-06-06

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