JPH071883Y2 - 伝送装置 - Google Patents

伝送装置

Info

Publication number
JPH071883Y2
JPH071883Y2 JP80889U JP80889U JPH071883Y2 JP H071883 Y2 JPH071883 Y2 JP H071883Y2 JP 80889 U JP80889 U JP 80889U JP 80889 U JP80889 U JP 80889U JP H071883 Y2 JPH071883 Y2 JP H071883Y2
Authority
JP
Japan
Prior art keywords
communication
signal
line
circuit
photocoupler
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
JP80889U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0292261U (enrdf_load_html_response
Inventor
茂 新村
文男 佐藤
綱男 古谷
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.)
Secom Co Ltd
Original Assignee
Secom 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 Secom Co Ltd filed Critical Secom Co Ltd
Priority to JP80889U priority Critical patent/JPH071883Y2/ja
Publication of JPH0292261U publication Critical patent/JPH0292261U/ja
Application granted granted Critical
Publication of JPH071883Y2 publication Critical patent/JPH071883Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

JP80889U 1989-01-10 1989-01-10 伝送装置 Expired - Lifetime JPH071883Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP80889U JPH071883Y2 (ja) 1989-01-10 1989-01-10 伝送装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP80889U JPH071883Y2 (ja) 1989-01-10 1989-01-10 伝送装置

Publications (2)

Publication Number Publication Date
JPH0292261U JPH0292261U (enrdf_load_html_response) 1990-07-23
JPH071883Y2 true JPH071883Y2 (ja) 1995-01-18

Family

ID=31200147

Family Applications (1)

Application Number Title Priority Date Filing Date
JP80889U Expired - Lifetime JPH071883Y2 (ja) 1989-01-10 1989-01-10 伝送装置

Country Status (1)

Country Link
JP (1) JPH071883Y2 (enrdf_load_html_response)

Also Published As

Publication number Publication date
JPH0292261U (enrdf_load_html_response) 1990-07-23

Similar Documents

Publication Publication Date Title
US4232195A (en) Telephone responder apparatus
JPH071883Y2 (ja) 伝送装置
JPH0731357Y2 (ja) 警報装置
JP2004265254A (ja) 侵入者通報装置
JPH041549B2 (enrdf_load_html_response)
JPS6124359A (ja) 遠方監視装置における局線状態監視方式
JPS6337549B2 (enrdf_load_html_response)
JP3004156B2 (ja) 自動情報送信装置
JPS647532B2 (enrdf_load_html_response)
JP3249021B2 (ja) 自動通報装置
KR0118526Y1 (ko) 외부 전화기를 이용한 도어 잠김 상태 확인 장치
JP2596319B2 (ja) 警備端末装置
JP2575303B2 (ja) 網制御装置
JPH04223655A (ja) 電話回線を使用した非常自動通報装置
JP2979413B2 (ja) 公衆電話網によるセンタ装置と端末装置の接続方式
JPH0498964A (ja) 自動通報装置の回線異常検出装置
JP3107647B2 (ja) 異常通報装置
JP2586146Y2 (ja) 非常通報システム
JPH0365576B2 (enrdf_load_html_response)
CA1173575A (en) Communication system
JPH0337783B2 (enrdf_load_html_response)
JPH0562088A (ja) 住宅情報システム
JPS5879367A (ja) 網制御装置
JPH0815291B2 (ja) データ送受信機能に障害のある子局の判別方式
JPS641837B2 (enrdf_load_html_response)

Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term