JPS63174756U - - Google Patents
Info
- Publication number
- JPS63174756U JPS63174756U JP1259487U JP1259487U JPS63174756U JP S63174756 U JPS63174756 U JP S63174756U JP 1259487 U JP1259487 U JP 1259487U JP 1259487 U JP1259487 U JP 1259487U JP S63174756 U JPS63174756 U JP S63174756U
- Authority
- JP
- Japan
- Prior art keywords
- intercom
- telephone
- line
- handset
- call
- 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
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Description
第１図は本考案の一実施例のブロツク図、第２
図は従来のインターホンのブロツク図である。
１……インターホン子機、２……接続ケーブル
、３……インターホン親機、４……電話回線、１
１……スピーカ、１２……マイク、１３……呼出
しスイツチ、３１……呼出し検出、３２……ス
イツチ、３３……スイツチ、３４……スイツ
チ、３５……メモリ、３６……ダイアラ、３７
……受話器、３８……ＮＣＵ、３９……リンガ、
４０……呼出し検出、４１……制御回路、４２
……フツクスイツチ。
Figure 1 is a block diagram of one embodiment of the present invention;
The figure is a block diagram of a conventional intercom. 1... Intercom handset, 2... Connection cable, 3... Intercom base unit, 4... Telephone line, 1
1...Speaker, 12...Microphone, 13...Call switch, 31...Call detection, 32...Switch, 33...Switch, 34...Switch, 35...Memory, 36...Dialer, 37
...Telephone receiver, 38...NCU, 39...Linger,
40...Call detection, 41...Control circuit, 42
...Futsuku switch.
Claims (1)
ーホン親機からなるインターホンにおいて、イン
ターホン子機からの呼出しを検出すると、予め設
定しておいた電話番号にダイアルする手段と、電
話回線が相手の電話機とつながつたことを検出す
ると、電話回線とインターホン子機とを接続し、
回線が切れたことを検出すると、再び切断する手
段とを有するインターホン。 In an intercom consisting of an intercom handset and an intercom base unit with telephone functions, when a call from the intercom handset is detected, there is a means to dial a preset telephone number, and a telephone line is connected to the other party's telephone. When it detects this, it connects the telephone line and intercom handset,
An intercom having means for disconnecting the line again when detecting that the line has been disconnected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1259487U JPS63174756U (en) | 1987-01-29 | 1987-01-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1259487U JPS63174756U (en) | 1987-01-29 | 1987-01-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63174756U true JPS63174756U (en) | 1988-11-14 |
Family
ID=30800870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1259487U Pending JPS63174756U (en) | 1987-01-29 | 1987-01-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63174756U (en) |
-
1987
- 1987-01-29 JP JP1259487U patent/JPS63174756U/ja active Pending
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