JPS5933366U - intercom - Google Patents
intercomInfo
- Publication number
- JPS5933366U JPS5933366U JP12931182U JP12931182U JPS5933366U JP S5933366 U JPS5933366 U JP S5933366U JP 12931182 U JP12931182 U JP 12931182U JP 12931182 U JP12931182 U JP 12931182U JP S5933366 U JPS5933366 U JP S5933366U
- Authority
- JP
- Japan
- Prior art keywords
- intercom
- base unit
- security function
- alarm
- function
- 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
- Alarm Systems (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案のインターホンの一実施例を示す概略説
明図、第２図は第１図の親機の回路構成を示す概略ブロ
ック図、第３図は第、−１図の子機の回路構成を示す概
略ブロック図である。
図面中、１は交流電源ライン、３は子機、４は親機を示
す。Fig. 1 is a schematic explanatory diagram showing one embodiment of the intercom of the present invention, Fig. 2 is a schematic block diagram showing the circuit configuration of the main unit in Fig. 1, and Fig. 3 is a schematic block diagram showing the circuit configuration of the main unit in Fig. 1. FIG. 2 is a schematic block diagram showing a circuit configuration. In the drawings, 1 indicates an AC power line, 3 indicates a slave unit, and 4 indicates a master unit.
Claims (1)
ンとして使用する搬送式インターホン親機と子機とより
なるインターホンにおいて、該親機にセキュリティ機能
を具備させるとともに該親機のセキュリティ機能の動作
に彪動して警報を発する警報機能を上記子機に具備させ
てなることを特徴とするインターホン。In an intercom consisting of a carrier type intercom base unit and a slave unit that use a commercial frequency AC power line as a signal line for the intercom, the base unit is equipped with a security function and the base unit is equipped with a security function that mimics the operation of the security function of the base unit. An intercom characterized in that the handset is equipped with an alarm function that issues an alarm when
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12931182U JPS5933366U (en) | 1982-08-26 | 1982-08-26 | intercom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12931182U JPS5933366U (en) | 1982-08-26 | 1982-08-26 | intercom |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5933366U true JPS5933366U (en) | 1984-03-01 |
Family
ID=30293037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12931182U Pending JPS5933366U (en) | 1982-08-26 | 1982-08-26 | intercom |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5933366U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4990097A (en) * | 1972-12-27 | 1974-08-28 | ||
| JPS56104566A (en) * | 1980-01-24 | 1981-08-20 | Matsushita Electric Works Ltd | Interphone |
-
1982
- 1982-08-26 JP JP12931182U patent/JPS5933366U/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4990097A (en) * | 1972-12-27 | 1974-08-28 | ||
| JPS56104566A (en) * | 1980-01-24 | 1981-08-20 | Matsushita Electric Works Ltd | Interphone |
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