JPH0739031Y2 - 煙感知器 - Google Patents

煙感知器

Info

Publication number
JPH0739031Y2
JPH0739031Y2 JP4505489U JP4505489U JPH0739031Y2 JP H0739031 Y2 JPH0739031 Y2 JP H0739031Y2 JP 4505489 U JP4505489 U JP 4505489U JP 4505489 U JP4505489 U JP 4505489U JP H0739031 Y2 JPH0739031 Y2 JP H0739031Y2
Authority
JP
Japan
Prior art keywords
slit
smoke
deformable body
heat
view
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 - Lifetime
Application number
JP4505489U
Other languages
English (en)
Japanese (ja)
Other versions
JPH02138395U (OSRAM
Inventor
誠 小舘
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.)
Sohgo Security Services Co Ltd
Original Assignee
Sohgo Security Services Co Ltd
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 Sohgo Security Services Co Ltd filed Critical Sohgo Security Services Co Ltd
Priority to JP4505489U priority Critical patent/JPH0739031Y2/ja
Publication of JPH02138395U publication Critical patent/JPH02138395U/ja
Application granted granted Critical
Publication of JPH0739031Y2 publication Critical patent/JPH0739031Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Fire-Detection Mechanisms (AREA)
JP4505489U 1989-04-19 1989-04-19 煙感知器 Expired - Lifetime JPH0739031Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4505489U JPH0739031Y2 (ja) 1989-04-19 1989-04-19 煙感知器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4505489U JPH0739031Y2 (ja) 1989-04-19 1989-04-19 煙感知器

Publications (2)

Publication Number Publication Date
JPH02138395U JPH02138395U (OSRAM) 1990-11-19
JPH0739031Y2 true JPH0739031Y2 (ja) 1995-09-06

Family

ID=31558900

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4505489U Expired - Lifetime JPH0739031Y2 (ja) 1989-04-19 1989-04-19 煙感知器

Country Status (1)

Country Link
JP (1) JPH0739031Y2 (OSRAM)

Also Published As

Publication number Publication date
JPH02138395U (OSRAM) 1990-11-19

Similar Documents

Publication Publication Date Title
US5400014A (en) Smoke detector with dark chamber
US6877895B2 (en) Fire sensor
GB2356708A (en) Sensor system with self-test facility
HUP9900846A2 (hu) Fogyasztásmérő felnyitását érzékelő eszköz és ilyen eszközzel felszerelt fogyasztásmérő
JPH0739031Y2 (ja) 煙感知器
US20250218267A1 (en) Point heat detectors based on surface mounted thermistors
JP4718844B2 (ja) 火災警報器
CN119832675A (zh) 双波长烟温复合火灾探测器及探测方法
JPH10188163A (ja) 感知器
JP3823739B2 (ja) 火災感知器
JPS5840478Y2 (ja) 煙感知器
KR102455803B1 (ko) 화재 감지 장치 및 방법
JPH1058U (ja) 炎感知器の保護カバー
JP3189006B2 (ja) 熱煙複合感知器
JPS605429Y2 (ja) 熱式火災感知器
JPH0219902Y2 (OSRAM)
JPH0749596Y2 (ja) 散乱光式煙感知器
JPH09153187A (ja) 煙感知器
JP2563642Y2 (ja) 移動体の検知装置
JPH1116063A (ja) 煙感知器
JPH0313747Y2 (OSRAM)
JPH06258454A (ja) 赤外線センサを用いて人の在室を検知する方法
KR100187904B1 (ko) 기압변동의 검출기
JPH03127198A (ja) 煙監視システム
KR20220052004A (ko) 화재 감지 방법 및 장치

Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term