DE2751073C2 - Rauchmelder - Google Patents

Rauchmelder

Info

Publication number
DE2751073C2
DE2751073C2 DE2751073A DE2751073A DE2751073C2 DE 2751073 C2 DE2751073 C2 DE 2751073C2 DE 2751073 A DE2751073 A DE 2751073A DE 2751073 A DE2751073 A DE 2751073A DE 2751073 C2 DE2751073 C2 DE 2751073C2
Authority
DE
Germany
Prior art keywords
pulse
smoke
pulses
alarm
output signal
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
Application number
DE2751073A
Other languages
German (de)
English (en)
Other versions
DE2751073A1 (de
Inventor
William J. Pembroke Mass. Malinowski
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.)
Pyrotector Inc
Original Assignee
Chloride Batterijen Bv Vlaardingen Nl
Chloride Batterijen Vlaardingen BV
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 US05/742,194 external-priority patent/US4075499A/en
Priority claimed from US05/742,225 external-priority patent/US4068130A/en
Application filed by Chloride Batterijen Bv Vlaardingen Nl, Chloride Batterijen Vlaardingen BV filed Critical Chloride Batterijen Bv Vlaardingen Nl
Publication of DE2751073A1 publication Critical patent/DE2751073A1/de
Application granted granted Critical
Publication of DE2751073C2 publication Critical patent/DE2751073C2/de
Expired legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
DE2751073A 1976-11-16 1977-11-15 Rauchmelder Expired DE2751073C2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/742,194 US4075499A (en) 1976-11-16 1976-11-16 Smoke detector with means for changing light pulse frequency
US05/742,225 US4068130A (en) 1976-11-16 1976-11-16 Smoke detector with means for changing light pulse frequency

Publications (2)

Publication Number Publication Date
DE2751073A1 DE2751073A1 (de) 1978-05-24
DE2751073C2 true DE2751073C2 (de) 1982-06-03

Family

ID=27113981

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2751073A Expired DE2751073C2 (de) 1976-11-16 1977-11-15 Rauchmelder

Country Status (14)

Country Link
JP (1) JPS5387282A (sv)
AR (1) AR215485A1 (sv)
AU (1) AU512053B2 (sv)
BR (1) BR7707636A (sv)
CA (1) CA1085019A (sv)
CH (1) CH620038A5 (sv)
DE (1) DE2751073C2 (sv)
FR (1) FR2370974A1 (sv)
GB (1) GB1555182A (sv)
IE (1) IE46081B1 (sv)
IL (1) IL52977A (sv)
IN (1) IN147535B (sv)
NZ (1) NZ185220A (sv)
SE (1) SE421841B (sv)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014110460B3 (de) * 2014-07-24 2015-05-13 Eq-3 Entwicklung Gmbh Optischer Rauchmelder und Verfahren zur optischen Rauchdetektion

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2939139A1 (de) * 1979-09-27 1981-04-09 Agfa-Gevaert Ag, 5090 Leverkusen Entfernungsmessvorrichtung
JPS56100343A (en) * 1980-01-14 1981-08-12 Matsushita Electric Works Ltd Photoelectric type smoke sensor
JPS6225802U (sv) * 1985-07-31 1987-02-17
DE3840277C2 (de) * 1988-11-30 1997-04-17 Diehl Gmbh & Co Einrichtung zur Lokalisierung von Fahrzeugen im Gefechtsfeld

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3917956A (en) * 1974-03-08 1975-11-04 Pyrotector Inc Smoke detector
US3946241A (en) * 1973-11-26 1976-03-23 Pyrotector, Incorporated Light detector with pulsed light source and synchronous data gating

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014110460B3 (de) * 2014-07-24 2015-05-13 Eq-3 Entwicklung Gmbh Optischer Rauchmelder und Verfahren zur optischen Rauchdetektion
EP2977972A1 (de) 2014-07-24 2016-01-27 EQ-3 Entwicklung GmbH Optischer rauchmelder und verfahren zur optischen rauchdetektion

Also Published As

Publication number Publication date
CA1085019A (en) 1980-09-02
AU3066877A (en) 1979-05-24
AU512053B2 (en) 1980-09-18
IL52977A (en) 1979-09-30
FR2370974B1 (sv) 1983-12-23
FR2370974A1 (fr) 1978-06-09
BR7707636A (pt) 1978-08-01
DE2751073A1 (de) 1978-05-24
CH620038A5 (en) 1980-10-31
IL52977A0 (en) 1977-11-30
NZ185220A (en) 1981-10-19
IN147535B (sv) 1980-03-29
IE46081L (en) 1978-05-16
SE7712831L (sv) 1978-05-17
AR215485A1 (es) 1979-10-15
GB1555182A (en) 1979-11-07
IE46081B1 (en) 1983-02-09
SE421841B (sv) 1982-02-01
JPS5387282A (en) 1978-08-01
JPS5724501B2 (sv) 1982-05-25

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Legal Events

Date Code Title Description
OD Request for examination
D2 Grant after examination
8327 Change in the person/name/address of the patent owner

Owner name: PYROTECTOR INC., HINGHAM, MASS., US

8328 Change in the person/name/address of the agent

Free format text: BARDEHLE, H., DIPL.-ING., PAT.-ANW. PAGENBERG, J., DR.JUR., RECHTSANW. DOST, W., DIPL.-CHEM. DR.RER.NAT. ALTENBURG, U., DIPL.-PHYS., PAT.-ANW. FROHWITTER, B., DIPL.-ING. GRAVENREUTH FRHR. VON, G., DIPL.-ING.(FH), RECHTSANW., 8000 MUENCHEN