JPS51124312A - Answering unit - Google Patents
Answering unitInfo
- Publication number
- JPS51124312A JPS51124312A JP4942875A JP4942875A JPS51124312A JP S51124312 A JPS51124312 A JP S51124312A JP 4942875 A JP4942875 A JP 4942875A JP 4942875 A JP4942875 A JP 4942875A JP S51124312 A JPS51124312 A JP S51124312A
- Authority
- JP
- Japan
- Prior art keywords
- answering unit
- answering
- unit
- room
- units
- 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
Landscapes
- Closed-Circuit Television Systems (AREA)
Abstract
PURPOSE: For the answering units used in high-rise buildings such as hotels, to make it possible to select the answering unit in any desired room to call by connecting one front office unit and a plural number of room units.
COPYRIGHT: (C)1976,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4942875A JPS51124312A (en) | 1975-04-23 | 1975-04-23 | Answering unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4942875A JPS51124312A (en) | 1975-04-23 | 1975-04-23 | Answering unit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS51124312A true JPS51124312A (en) | 1976-10-29 |
Family
ID=12830815
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4942875A Pending JPS51124312A (en) | 1975-04-23 | 1975-04-23 | Answering unit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS51124312A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58141086A (en) * | 1982-02-15 | 1983-08-22 | Matsushita Electric Works Ltd | Television interphone system |
JPS5949081A (en) * | 1982-09-14 | 1984-03-21 | Matsushita Electric Works Ltd | Television interphone system |
JPS61182388A (en) * | 1985-02-07 | 1986-08-15 | Aihon Kk | Television talking device |
JPS63234792A (en) * | 1987-03-24 | 1988-09-30 | Izumi Soken Eng:Kk | Unmanned information desk guiding system |
-
1975
- 1975-04-23 JP JP4942875A patent/JPS51124312A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58141086A (en) * | 1982-02-15 | 1983-08-22 | Matsushita Electric Works Ltd | Television interphone system |
JPS5949081A (en) * | 1982-09-14 | 1984-03-21 | Matsushita Electric Works Ltd | Television interphone system |
JPS61182388A (en) * | 1985-02-07 | 1986-08-15 | Aihon Kk | Television talking device |
JPS63234792A (en) * | 1987-03-24 | 1988-09-30 | Izumi Soken Eng:Kk | Unmanned information desk guiding system |
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