JPS5933365U - intercom - Google Patents
intercomInfo
- Publication number
- JPS5933365U JPS5933365U JP12834182U JP12834182U JPS5933365U JP S5933365 U JPS5933365 U JP S5933365U JP 12834182 U JP12834182 U JP 12834182U JP 12834182 U JP12834182 U JP 12834182U JP S5933365 U JPS5933365 U JP S5933365U
- Authority
- JP
- Japan
- Prior art keywords
- intercom
- power line
- carrier
- recorded
- utility
- 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
- Emergency Alarm Devices (AREA)
- 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図は従来の搬送式インターホンの概略説明図、第２
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３図は第２図の親機の回路構成を示す概略ブロック
図、第４図は第２図の子機の回路構成を示す概略ブ吊ツ
ク図である。
図面中、１０は電源ライン、１２は子機、１３は親機を
示す。Figure 1 is a schematic explanatory diagram of a conventional carrier type intercom;
The figure is a schematic explanatory diagram showing one embodiment of the intercom of the present invention, FIG. 3 is a schematic block diagram showing the circuit configuration of the base device in FIG. 2, and FIG. 4 is a schematic block diagram showing the circuit configuration of the slave device in FIG. 2. FIG. 2 is a schematic block diagram. In the drawing, 10 is a power line, 12 is a child device, and 13 is a parent device.
Claims (1)
ンとして使用する搬送式インターホンにセキュリティ機
能を具備させてなることを特徴とするインターホン。An intercom characterized in that a carrier intercom that uses a commercial frequency AC power line as a signal line for the intercom is equipped with a security function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12834182U JPS5933365U (en) | 1982-08-24 | 1982-08-24 | intercom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12834182U JPS5933365U (en) | 1982-08-24 | 1982-08-24 | intercom |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5933365U true JPS5933365U (en) | 1984-03-01 |
Family
ID=30291177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12834182U Pending JPS5933365U (en) | 1982-08-24 | 1982-08-24 | intercom |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5933365U (en) |
-
1982
- 1982-08-24 JP JP12834182U patent/JPS5933365U/en active Pending
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