FR2274044A1 - Detecteurs d'aerosols - Google Patents

Detecteurs d'aerosols

Info

Publication number
FR2274044A1
FR2274044A1 FR7517479A FR7517479A FR2274044A1 FR 2274044 A1 FR2274044 A1 FR 2274044A1 FR 7517479 A FR7517479 A FR 7517479A FR 7517479 A FR7517479 A FR 7517479A FR 2274044 A1 FR2274044 A1 FR 2274044A1
Authority
FR
France
Prior art keywords
aerosol detectors
aerosol
detectors
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
Application number
FR7517479A
Other languages
English (en)
Other versions
FR2274044B1 (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.)
RCA Corp
Original Assignee
RCA Corp
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
Priority claimed from US05/476,442 external-priority patent/US3932851A/en
Priority claimed from US05/476,445 external-priority patent/US3949390A/en
Application filed by RCA Corp filed Critical RCA Corp
Publication of FR2274044A1 publication Critical patent/FR2274044A1/fr
Application granted granted Critical
Publication of FR2274044B1 publication Critical patent/FR2274044B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/64—Constructional details of receivers, e.g. cabinets or dust covers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/62—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode
    • G01N27/68—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode using electric discharge to ionise a gas
    • G01N27/70—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode using electric discharge to ionise a gas and measuring current or voltage
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
    • G08B17/11—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using an ionisation chamber for detecting smoke or gas

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Business, Economics & Management (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Emergency Management (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
  • Fire-Detection Mechanisms (AREA)
FR7517479A 1974-06-05 1975-06-04 Detecteurs d'aerosols Granted FR2274044A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/476,442 US3932851A (en) 1974-06-05 1974-06-05 Aerosol detector
US05/476,445 US3949390A (en) 1974-06-05 1974-06-05 High voltage aerosol detector

Publications (2)

Publication Number Publication Date
FR2274044A1 true FR2274044A1 (fr) 1976-01-02
FR2274044B1 FR2274044B1 (fr) 1979-03-23

Family

ID=27045179

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7517479A Granted FR2274044A1 (fr) 1974-06-05 1975-06-04 Detecteurs d'aerosols

Country Status (5)

Country Link
JP (1) JPS516592A (fr)
DE (1) DE2523792A1 (fr)
FR (1) FR2274044A1 (fr)
GB (1) GB1503157A (fr)
NL (1) NL7506607A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54163140A (en) * 1978-06-15 1979-12-25 Fukuoka Kagaku Kougiyou Kk Shoes and making method thereof
DE3631954A1 (de) * 1986-09-19 1988-03-31 Masuda Senichi Messgeraet fuer ultrafeine teilchen
JPH0664505U (ja) * 1993-02-22 1994-09-13 株式会社クミアイゴム 履物のアッパー
FR2971354B1 (fr) * 2011-02-04 2013-01-25 Inst Pour Le Dev De La Science L Education Et La Technologie Idset Detecteur de fumee

Also Published As

Publication number Publication date
JPS516592A (ja) 1976-01-20
GB1503157A (en) 1978-03-08
DE2523792A1 (de) 1976-01-02
NL7506607A (nl) 1975-12-09
FR2274044B1 (fr) 1979-03-23

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Legal Events

Date Code Title Description
ST Notification of lapse