JPS6452344U - - Google Patents
Info
- Publication number
- JPS6452344U JPS6452344U JP14684387U JP14684387U JPS6452344U JP S6452344 U JPS6452344 U JP S6452344U JP 14684387 U JP14684387 U JP 14684387U JP 14684387 U JP14684387 U JP 14684387U JP S6452344 U JPS6452344 U JP S6452344U
- Authority
- JP
- Japan
- Prior art keywords
- indicator light
- intercom
- message
- message indicator
- manager
- 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
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 1
Landscapes
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Description
第１図は本考案の要部の構成を示した具体的な
回路図、第２図はその動作を示すタイムチヤート
、第３図は従来の要部構成を示した回路図、第４
図はその動作を示すタイムチヤート、第５図は住
戸人側と管理人側のインターホンシステムを示し
た説明図である。
（符号の説明）、１……伝送用端末器、２……
メツセージ表示灯点灯制御回路、３……メツセー
ジ表示灯消灯制御回路、４……呼出信号発生回路
、５……メツセージ表示灯。
Figure 1 is a specific circuit diagram showing the configuration of the main parts of the present invention, Figure 2 is a time chart showing its operation, Figure 3 is a circuit diagram showing the conventional configuration of the main parts, and Figure 4
The figure is a time chart showing the operation, and FIG. 5 is an explanatory diagram showing the intercom system on the resident's side and the manager's side. (Explanation of symbols), 1...Transmission terminal, 2...
Message indicator light lighting control circuit, 3...Message indicator light extinguishing control circuit, 4...Call signal generation circuit, 5...Message indicator light.
Claims (1)
ージ表示灯を有した住戸用インターホンにおいて
、 管理人側のメツセージ表示信号によつてメツセ
ージ表示灯を点灯保持するメツセージ表示灯点灯
制御回路と、メツセージ表示灯の点灯時において
送受話器を取り上げ、かつ管理人呼出スイツチを
操作したときに管理人室側のインターホンへ呼出
信号を出力する呼出信号発生回路と、この呼出信
号に応じて管理人側のインターホンの送受話器が
取り上げられたときにのみ上記点灯しているメツ
セージ表示灯を自動的に消灯するメツセージ表示
灯消灯制御回路とを設けたことを特徴とする集合
住宅の住戸用インターホン。[Scope of claim for utility model registration] In a residential unit intercom that has a message indicator light that indicates the presence or absence of a message from the manager's office, the message indicator light is turned on and held in response to a message display signal from the manager. a control circuit; a ringing signal generation circuit that outputs a ringing signal to an intercom on the side of the janitor's room when the handset is picked up and the janitor's calling switch is operated when the message indicator light is lit; An intercom for a dwelling unit in an apartment complex, characterized in that it is provided with a message indicator light extinguishing control circuit that automatically turns off the lit message indicator light only when the handset of the intercom on the manager side is picked up. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14684387U JPS6452344U (en) | 1987-09-26 | 1987-09-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14684387U JPS6452344U (en) | 1987-09-26 | 1987-09-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6452344U true JPS6452344U (en) | 1989-03-31 |
Family
ID=31416704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14684387U Pending JPS6452344U (en) | 1987-09-26 | 1987-09-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6452344U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55105462A (en) * | 1979-02-07 | 1980-08-13 | Nec Corp | Absence telephone system |
| JPS6133065A (en) * | 1984-07-25 | 1986-02-15 | Matsushita Electric Works Ltd | Interphone equipment for multiple dwelling housing |
-
1987
- 1987-09-26 JP JP14684387U patent/JPS6452344U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55105462A (en) * | 1979-02-07 | 1980-08-13 | Nec Corp | Absence telephone system |
| JPS6133065A (en) * | 1984-07-25 | 1986-02-15 | Matsushita Electric Works Ltd | Interphone equipment for multiple dwelling housing |
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