FR2224754A1 - - Google Patents

Info

Publication number
FR2224754A1
FR2224754A1 FR7410441A FR7410441A FR2224754A1 FR 2224754 A1 FR2224754 A1 FR 2224754A1 FR 7410441 A FR7410441 A FR 7410441A FR 7410441 A FR7410441 A FR 7410441A FR 2224754 A1 FR2224754 A1 FR 2224754A1
Authority
FR
France
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.)
Withdrawn
Application number
FR7410441A
Other languages
French (fr)
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.)
Elsag Bailey Inc
Original Assignee
Bailey Meter Co
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 Bailey Meter Co filed Critical Bailey Meter Co
Publication of FR2224754A1 publication Critical patent/FR2224754A1/fr
Withdrawn legal-status Critical Current

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
    • G01N21/01—Arrangements or apparatus for facilitating the optical investigation
    • G01N21/15—Preventing contamination of the components of the optical system or obstruction of the light path

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)
  • Sampling And Sample Adjustment (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Optical Measuring Cells (AREA)
FR7410441A 1973-04-09 1974-03-27 Withdrawn FR2224754A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00348876A US3847487A (en) 1973-04-09 1973-04-09 Constant effective slot length light pipe

Publications (1)

Publication Number Publication Date
FR2224754A1 true FR2224754A1 (en) 1974-10-31

Family

ID=23369947

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7410441A Withdrawn FR2224754A1 (en) 1973-04-09 1974-03-27

Country Status (6)

Country Link
US (1) US3847487A (en)
JP (1) JPS5236025B2 (en)
CA (1) CA989642A (en)
FR (1) FR2224754A1 (en)
GB (1) GB1471335A (en)
IT (1) IT1010912B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991010124A1 (en) * 1989-12-29 1991-07-11 Sredneaziatsky Nauchno-Issledovatelsky I Proektny Institut Tsvetnoi Metallurgii Device for measuring gas optical density

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4205550A (en) * 1979-03-12 1980-06-03 Econics Corporation Sample chamber for gas analyzer
US4206630A (en) * 1979-03-12 1980-06-10 Econics Corporation Sample chamber for gas analyzer
US4277131A (en) * 1980-01-29 1981-07-07 The United States Of America As Represented By The Administrator Of The United States Environmental Protection Agency Antifouling window assembly
GB2148487B (en) * 1983-10-13 1987-01-14 Perkins Engines Group Apparatus for measuring smoke density
US4572663A (en) * 1983-12-22 1986-02-25 Elliott Turbomachinery Co., Inc. Method and apparatus for selectively illuminating a particular blade in a turbomachine
US4687327A (en) * 1985-02-25 1987-08-18 The Dow Chemical Company Oil mist monitor
US6565352B2 (en) * 2001-04-09 2003-05-20 Ken E. Nielsen Smoke density monitor
US7319524B2 (en) * 2005-03-28 2008-01-15 Honeywell International, Inc. Air purged optical densitometer
US20100188659A1 (en) * 2009-01-29 2010-07-29 Valery Shver In-situ devices, systems, and methods for gas species measurement
US9797397B2 (en) * 2015-09-04 2017-10-24 Hamilton Sundstrand Corporation Pump sleeve

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1901570A (en) * 1928-11-09 1933-03-14 Westinghouse Electric & Mfg Co Smoke indicator
US2624012A (en) * 1949-04-02 1952-12-30 Bailey Meter Co Radiant energy measuring system
GB1135146A (en) * 1967-07-11 1968-11-27 Central Electr Generat Board Optical devices for examination of smoke or dust laden gas
US3628028A (en) * 1968-03-01 1971-12-14 Honeywell Inc Window cleaning apparatus for photometric instruments

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991010124A1 (en) * 1989-12-29 1991-07-11 Sredneaziatsky Nauchno-Issledovatelsky I Proektny Institut Tsvetnoi Metallurgii Device for measuring gas optical density

Also Published As

Publication number Publication date
GB1471335A (en) 1977-04-21
JPS49131491A (en) 1974-12-17
CA989642A (en) 1976-05-25
IT1010912B (en) 1977-01-20
JPS5236025B2 (en) 1977-09-13
US3847487A (en) 1974-11-12
DE2416672A1 (en) 1974-10-24
DE2416672B2 (en) 1977-03-31

Similar Documents

Publication Publication Date Title
AU476761B2 (en)
AU465372B2 (en)
BR7405035D0 (en)
AU474593B2 (en)
AU474511B2 (en)
AU474838B2 (en)
AU465453B2 (en)
AU465434B2 (en)
AU450229B2 (en)
AU476714B2 (en)
JPS5236025B2 (en)
AU476696B2 (en)
AU472848B2 (en)
AU466283B2 (en)
AU477823B2 (en)
AR193950A1 (en)
AU471461B2 (en)
AU476873B1 (en)
AR195311A1 (en)
AU461342B2 (en)
AR195948A1 (en)
AU477824B2 (en)
AU1891376A (en)
AR196123Q (en)
BG19479A1 (en)

Legal Events

Date Code Title Description
ST Notification of lapse