JPH0517755Y2 - - Google Patents

Info

Publication number
JPH0517755Y2
JPH0517755Y2 JP10051087U JP10051087U JPH0517755Y2 JP H0517755 Y2 JPH0517755 Y2 JP H0517755Y2 JP 10051087 U JP10051087 U JP 10051087U JP 10051087 U JP10051087 U JP 10051087U JP H0517755 Y2 JPH0517755 Y2 JP H0517755Y2
Authority
JP
Japan
Prior art keywords
sensitivity
output
circuit
level
voltage
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
JP10051087U
Other languages
English (en)
Japanese (ja)
Other versions
JPS647396U (enrdf_load_html_response
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 filed Critical
Priority to JP10051087U priority Critical patent/JPH0517755Y2/ja
Publication of JPS647396U publication Critical patent/JPS647396U/ja
Application granted granted Critical
Publication of JPH0517755Y2 publication Critical patent/JPH0517755Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Fire-Detection Mechanisms (AREA)
  • Fire Alarms (AREA)
JP10051087U 1987-06-30 1987-06-30 Expired - Lifetime JPH0517755Y2 (enrdf_load_html_response)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10051087U JPH0517755Y2 (enrdf_load_html_response) 1987-06-30 1987-06-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10051087U JPH0517755Y2 (enrdf_load_html_response) 1987-06-30 1987-06-30

Publications (2)

Publication Number Publication Date
JPS647396U JPS647396U (enrdf_load_html_response) 1989-01-17
JPH0517755Y2 true JPH0517755Y2 (enrdf_load_html_response) 1993-05-12

Family

ID=31328648

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10051087U Expired - Lifetime JPH0517755Y2 (enrdf_load_html_response) 1987-06-30 1987-06-30

Country Status (1)

Country Link
JP (1) JPH0517755Y2 (enrdf_load_html_response)

Also Published As

Publication number Publication date
JPS647396U (enrdf_load_html_response) 1989-01-17

Similar Documents

Publication Publication Date Title
US5084696A (en) Signal detection system with dynamically adjustable detection threshold
KR100247115B1 (ko) 자동차용 배터리 방전 방지장치
US4814748A (en) Temporary desensitization technique for smoke alarms
US5850178A (en) Alarm system having synchronizing pulse generator and synchronizing pulse missing detector
EP1417661B1 (en) Warning system
US3846773A (en) Battery operated surveillance device
GB2336455A (en) Detecting device and alarm system
US3914753A (en) Intruder alarm system
JPH0517755Y2 (enrdf_load_html_response)
US4103285A (en) Vehicle anti-theft alarm system
JPS6351318B2 (enrdf_load_html_response)
JP3118595B2 (ja) 光電式煙感知器
JPH0460275B2 (enrdf_load_html_response)
JPS642235Y2 (enrdf_load_html_response)
EP0234116B1 (en) Alarm system
JP3713606B2 (ja) 火災検知器
JPH06325273A (ja) 紫外線式感知器
JPS6234398Y2 (enrdf_load_html_response)
JPS6349823Y2 (enrdf_load_html_response)
KR970006054Y1 (ko) 화재 자동 경보 장치
JPS6349824Y2 (enrdf_load_html_response)
JPH0522871Y2 (enrdf_load_html_response)
JP2542814B2 (ja) 蓄積回路を有する2信号型煙感知器
KR200210753Y1 (ko) 연기 감지기회로
JP2758651B2 (ja) 光電式感知器回路