JPS61155757U - - Google Patents
Info
- Publication number
- JPS61155757U JPS61155757U JP1985039020U JP3902085U JPS61155757U JP S61155757 U JPS61155757 U JP S61155757U JP 1985039020 U JP1985039020 U JP 1985039020U JP 3902085 U JP3902085 U JP 3902085U JP S61155757 U JPS61155757 U JP S61155757U
- Authority
- JP
- Japan
- Prior art keywords
- metal coating
- long groove
- substrate
- optical path
- light
- 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.)
- Pending
Links
- 230000003287 optical effect Effects 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 239000000758 substrate Substances 0.000 claims description 4
- 239000000779 smoke Substances 0.000 claims description 3
- 229920003002 synthetic resin Polymers 0.000 claims 1
- 239000000057 synthetic resin Substances 0.000 claims 1
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
-
- 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
- G08B17/113—Constructional details
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Fire-Detection Mechanisms (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1985039020U JPS61155757U (US07655746-20100202-C00011.png) | 1985-03-20 | 1985-03-20 | |
US06/836,324 US4700079A (en) | 1985-03-20 | 1986-03-05 | Light-transmission type smoke detector having a spiral optical path |
GB08606819A GB2172701B (en) | 1985-03-20 | 1986-03-19 | Light-transmission type smoke detector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1985039020U JPS61155757U (US07655746-20100202-C00011.png) | 1985-03-20 | 1985-03-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS61155757U true JPS61155757U (US07655746-20100202-C00011.png) | 1986-09-27 |
Family
ID=12541422
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1985039020U Pending JPS61155757U (US07655746-20100202-C00011.png) | 1985-03-20 | 1985-03-20 |
Country Status (3)
Country | Link |
---|---|
US (1) | US4700079A (US07655746-20100202-C00011.png) |
JP (1) | JPS61155757U (US07655746-20100202-C00011.png) |
GB (1) | GB2172701B (US07655746-20100202-C00011.png) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014136414A1 (ja) * | 2013-03-04 | 2014-09-12 | パナソニック株式会社 | デバイス |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63163698A (ja) * | 1986-12-26 | 1988-07-07 | ホーチキ株式会社 | 散乱光式煙感知器 |
US5060508A (en) * | 1990-04-02 | 1991-10-29 | Gaztech Corporation | Gas sample chamber |
US5568130A (en) * | 1994-09-30 | 1996-10-22 | Dahl; Ernest A. | Fire detector |
DE19512126C1 (de) * | 1995-04-04 | 1996-09-05 | Hekatron Gmbh | Vorrichtung zum Detektieren eines Gases oder Aerosols |
JPH09270085A (ja) * | 1996-04-01 | 1997-10-14 | Hamamatsu Photonics Kk | 発煙検知装置 |
US6876305B2 (en) * | 1999-12-08 | 2005-04-05 | Gentex Corporation | Compact particle sensor |
US6778091B2 (en) | 2001-01-09 | 2004-08-17 | Qualey, Iii James R. | Smoke chamber |
GB2372099B (en) * | 2001-02-08 | 2003-11-05 | Status Scient Controls Ltd | Gas sensor |
TWI235965B (en) * | 2001-04-24 | 2005-07-11 | Matsushita Electric Works Ltd | Fire detector unit |
GB2396405B (en) * | 2002-12-05 | 2006-03-08 | E2V Tech Uk Ltd | Gas sensors |
US7244939B2 (en) * | 2003-12-09 | 2007-07-17 | Dynament Limited | Gas sensor |
GB2401432B (en) * | 2003-12-09 | 2005-05-04 | Dynament Ltd | Gas sensor |
RU2340947C2 (ru) * | 2007-06-15 | 2008-12-10 | Валерий Васильевич Овчинников | Пожарный дымовой оптико-электронный извещатель |
GB201000756D0 (en) * | 2010-01-18 | 2010-03-03 | Gas Sensing Solutions Ltd | Gas sensor with radiation guide |
ITMI20130478A1 (it) * | 2013-03-29 | 2014-09-30 | N E T Srl | Rilevatore ottico di gas a geometria variabile |
US9804084B2 (en) * | 2013-11-11 | 2017-10-31 | Amphenol Thermometrics, Inc. | Optical gas sensor |
KR102267044B1 (ko) * | 2019-12-11 | 2021-06-18 | 주식회사 태성환경연구소 | 비분산적외선 방식의 이산화탄소 가스센서 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51136473A (en) * | 1975-05-06 | 1976-11-25 | Cerberus Ag | Depreciation concentration detector |
JPS5538281B2 (US07655746-20100202-C00011.png) * | 1976-09-17 | 1980-10-03 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53144387A (en) * | 1977-05-23 | 1978-12-15 | Hochiki Co | Depreciation type detector |
US4383253A (en) * | 1979-01-29 | 1983-05-10 | International Quartz Ltd. | Ionization smoke detector |
US4386388A (en) * | 1981-09-04 | 1983-05-31 | Northern Telecom Limited | Printed circuit board assembly |
US4547673A (en) * | 1983-01-10 | 1985-10-15 | Detector Electronics Corporation | Smoke and flame detector |
US4626695A (en) * | 1984-07-16 | 1986-12-02 | Pittway Corporation | Photoelectric combustion products detector with low power consumption and improved noise immunity |
-
1985
- 1985-03-20 JP JP1985039020U patent/JPS61155757U/ja active Pending
-
1986
- 1986-03-05 US US06/836,324 patent/US4700079A/en not_active Expired - Lifetime
- 1986-03-19 GB GB08606819A patent/GB2172701B/en not_active Expired
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51136473A (en) * | 1975-05-06 | 1976-11-25 | Cerberus Ag | Depreciation concentration detector |
JPS5538281B2 (US07655746-20100202-C00011.png) * | 1976-09-17 | 1980-10-03 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014136414A1 (ja) * | 2013-03-04 | 2014-09-12 | パナソニック株式会社 | デバイス |
JPWO2014136414A1 (ja) * | 2013-03-04 | 2017-02-09 | パナソニックIpマネジメント株式会社 | デバイス |
US9958381B2 (en) | 2013-03-04 | 2018-05-01 | Panasonic Intellectual Property Management Co., Ltd. | Carbon dioxide sensor |
US10018556B2 (en) | 2013-03-04 | 2018-07-10 | Panasonic Intellectual Property Management Co., Ltd. | Gas detecting device including light emitter, light receiver, and an optical member |
Also Published As
Publication number | Publication date |
---|---|
GB2172701B (en) | 1988-09-07 |
GB2172701A (en) | 1986-09-24 |
GB8606819D0 (en) | 1986-04-23 |
US4700079A (en) | 1987-10-13 |