JPH0260361U - - Google Patents
Info
- Publication number
- JPH0260361U JPH0260361U JP13979188U JP13979188U JPH0260361U JP H0260361 U JPH0260361 U JP H0260361U JP 13979188 U JP13979188 U JP 13979188U JP 13979188 U JP13979188 U JP 13979188U JP H0260361 U JPH0260361 U JP H0260361U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- ring
- call
- relay
- holding
- 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
- 238000012544 monitoring process Methods 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Alarm Systems (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13979188U JPH0260361U (sv) | 1988-10-26 | 1988-10-26 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13979188U JPH0260361U (sv) | 1988-10-26 | 1988-10-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0260361U true JPH0260361U (sv) | 1990-05-02 |
Family
ID=31403379
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13979188U Pending JPH0260361U (sv) | 1988-10-26 | 1988-10-26 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0260361U (sv) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020026421A1 (ja) * | 2018-08-02 | 2020-02-06 | 三菱電機株式会社 | エレベーターの非常通報システム |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5426126A (en) * | 1977-07-28 | 1979-02-27 | Citizen Watch Co Ltd | Type head for dot printer |
JPS6160555B2 (sv) * | 1977-06-27 | 1986-12-22 | Jeneraru Erekutoritsuku Co Plc Za | |
JPS63238758A (ja) * | 1987-03-26 | 1988-10-04 | Matsushita Electric Works Ltd | 集合住宅用監視通話システム |
-
1988
- 1988-10-26 JP JP13979188U patent/JPH0260361U/ja active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6160555B2 (sv) * | 1977-06-27 | 1986-12-22 | Jeneraru Erekutoritsuku Co Plc Za | |
JPS5426126A (en) * | 1977-07-28 | 1979-02-27 | Citizen Watch Co Ltd | Type head for dot printer |
JPS63238758A (ja) * | 1987-03-26 | 1988-10-04 | Matsushita Electric Works Ltd | 集合住宅用監視通話システム |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020026421A1 (ja) * | 2018-08-02 | 2020-02-06 | 三菱電機株式会社 | エレベーターの非常通報システム |
JPWO2020026421A1 (ja) * | 2018-08-02 | 2021-08-02 | 三菱電機株式会社 | エレベーターの非常通報システム |
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