GB2000863B - Creación de Inventos y Patentes con Inteligencia Artificial

GB2000863B – Smoke detectors
– Google Patents

GB2000863B – Smoke detectors
– Google Patents
Smoke detectors

Info

Publication number
GB2000863B

GB2000863B
GB7827386A
GB7827386A
GB2000863B
GB 2000863 B
GB2000863 B
GB 2000863B
GB 7827386 A
GB7827386 A
GB 7827386A
GB 7827386 A
GB7827386 A
GB 7827386A
GB 2000863 B
GB2000863 B
GB 2000863B
Authority
GB
United Kingdom
Prior art keywords
smoke detectors
detectors
smoke
Prior art date
1977-06-20
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
GB7827386A
Other versions

GB2000863A
(en

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.)

American District Telegraph Co

Original Assignee
American District Telegraph 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.)
1977-06-20
Filing date
1978-06-20
Publication date
1982-02-03

1978-06-20
Application filed by American District Telegraph Co
filed
Critical
American District Telegraph Co

1979-01-17
Publication of GB2000863A
publication
Critical
patent/GB2000863A/en

1982-02-03
Application granted
granted
Critical

1982-02-03
Publication of GB2000863B
publication
Critical
patent/GB2000863B/en

Status
Expired
legal-status
Critical
Current

Links

Espacenet

Global Dossier

Discuss

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

G08B17/103—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device

G08B17/107—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device for detecting light-scattering due to smoke

GB7827386A
1977-06-20
1978-06-20
Smoke detectors

Expired

GB2000863B
(en)

Applications Claiming Priority (1)

Application Number
Priority Date
Filing Date
Title

US05/808,055

US4163969A
(en)

1977-06-20
1977-06-20
Variable frequency light pulser for smoke detectors

Publications (2)

Publication Number
Publication Date

GB2000863A

GB2000863A
(en)

1979-01-17

GB2000863B
true

GB2000863B
(en)

1982-02-03

Family
ID=25197746
Family Applications (1)

Application Number
Title
Priority Date
Filing Date

GB7827386A
Expired

GB2000863B
(en)

1977-06-20
1978-06-20
Smoke detectors

Country Status (6)

Country
Link

US
(1)

US4163969A
(en)

JP
(1)

JPS548578A
(en)

CA
(1)

CA1079381A
(en)

DE
(1)

DE2826888A1
(en)

FR
(1)

FR2395500A1
(en)

GB
(1)

GB2000863B
(en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party

Publication number
Priority date
Publication date
Assignee
Title

GB2044504B
(en)

1979-03-17
1983-04-20
Hochiki Co
Count discriminating fire detector

US4539556A
(en)

1983-04-15
1985-09-03
Pittway Corporation
Combustion products detector with accelerated test

JPS60139254U
(en)

1984-02-28
1985-09-14
ホーチキ株式会社

Photoelectric detection device

JPS60231201A
(en)

1984-04-29
1985-11-16
Toshiba Corp
Sensor circut

FR2723233B1
(en)

1994-07-29
1996-10-04
Lewiner Jacques

IMPROVEMENTS ON OPTICAL SMOKE DETECTORS

JPH09270085A
(en)

1996-04-01
1997-10-14
Hamamatsu Photonics Kk
Smoke production detector

US5831537A
(en)

1997-10-27
1998-11-03
Slc Technologies, Inc.
Electrical current saving combined smoke and fire detector

US8604709B2
(en)

2007-07-31
2013-12-10
Lsi Industries, Inc.
Methods and systems for controlling electrical power to DC loads

US8903577B2
(en)

2009-10-30
2014-12-02
Lsi Industries, Inc.
Traction system for electrically powered vehicles

US7598683B1
(en)

2007-07-31
2009-10-06
Lsi Industries, Inc.
Control of light intensity using pulses of a fixed duration and frequency

AU2009257179B2
(en)

2008-06-10
2014-12-11
Garrett Thermal Systems Limited
Particle detection

TWI503530B
(en)

2009-05-01
2015-10-11
Xtralis Technologies Ltd
Particle detection

GB2551546B
(en)

2016-06-21
2020-02-12
Ffe Ltd
Improvements in or relating to beam phasing

CN110136390A
(en)

2019-05-28
2019-08-16
赛特威尔电子股份有限公司
A kind of smog detection method, device, smoke alarm and storage medium

Family Cites Families (5)

* Cited by examiner, † Cited by third party

Publication number
Priority date
Publication date
Assignee
Title

JPS5030945Y2
(en)

1971-02-25
1975-09-10

US3846773A
(en)

1972-08-18
1974-11-05
W Lintelmann
Battery operated surveillance device

US3917956A
(en)

1974-03-08
1975-11-04
Pyrotector Inc
Smoke detector

US4068130A
(en)

1976-11-16
1978-01-10
Chloride Incorporated
Smoke detector with means for changing light pulse frequency

US4075499A
(en)

1976-11-16
1978-02-21
Chloride, Incorporated
Smoke detector with means for changing light pulse frequency

1977

1977-06-20
US
US05/808,055
patent/US4163969A/en
not_active
Expired – Lifetime

1978

1978-06-19
CA
CA305,694A
patent/CA1079381A/en
not_active
Expired

1978-06-19
DE
DE19782826888
patent/DE2826888A1/en
not_active
Ceased

1978-06-19
FR
FR7818296A
patent/FR2395500A1/en
active
Granted

1978-06-20
JP
JP7478978A
patent/JPS548578A/en
active
Granted

1978-06-20
GB
GB7827386A
patent/GB2000863B/en
not_active
Expired

Also Published As

Publication number
Publication date

US4163969A
(en)

1979-08-07

GB2000863A
(en)

1979-01-17

FR2395500A1
(en)

1979-01-19

FR2395500B1
(en)

1983-07-22

CA1079381A
(en)

1980-06-10

DE2826888A1
(en)

1979-01-04

JPS548578A
(en)

1979-01-22

JPS6155158B2
(en)

1986-11-26

Información de contacto