JPS62161443U - - Google Patents
Info
- Publication number
- JPS62161443U JPS62161443U JP4913186U JP4913186U JPS62161443U JP S62161443 U JPS62161443 U JP S62161443U JP 4913186 U JP4913186 U JP 4913186U JP 4913186 U JP4913186 U JP 4913186U JP S62161443 U JPS62161443 U JP S62161443U
- Authority
- JP
- Japan
- Prior art keywords
- telephone
- telephone line
- line
- going
- closes
- 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 claims description 3
- 238000010586 diagram Methods 0.000 description 3
Description
第1図は本考案の電話転送装置のブロツク図、
第2図は電話転送装置の概略を表すブロツク図、
第3図は従来の電話転送装置のブロツク図である
。
1,2,4…電話交換機、3…電話転送装置、
12,14…トランス、16…検出回路、17…
押下スイツチ、21…制御回路、22…タイマ回
路、23…駆動回路、24…表示手段。
Figure 1 is a block diagram of the telephone transfer device of the present invention.
Figure 2 is a block diagram showing the outline of the telephone transfer device.
FIG. 3 is a block diagram of a conventional telephone transfer device. 1, 2, 4...telephone exchange, 3...telephone transfer device,
12, 14...Transformer, 16...Detection circuit, 17...
Press switch, 21...control circuit, 22...timer circuit, 23...drive circuit, 24...display means.
Claims (1)
を該第1の電話器を介さずに閉結する第1のスイ
ツチと、第2の電話器が接続されている第2の電
話回線を該第2の電話器を介さずに閉結する第2
のスイツチと、該第2の電話回線が閉結されたこ
とを検出する検出回路と、該検出回路が該第2の
電話回線の閉結を検出したとき計時動作を開始す
るタイマ回路と、該タイマ回路が出力を発したと
き、該第1の電話回線と該第2の電話回線とを接
続するスイツチを駆動する駆動回路とを有するこ
とを特徴とする電話転送装置。 a first switch that closes a first telephone line to which a first telephone is connected without going through the first telephone; and a second telephone line to which a second telephone is connected. A second telephone that closes the telephone without going through the second telephone.
a detection circuit that detects that the second telephone line is closed; a timer circuit that starts a timing operation when the detection circuit detects that the second telephone line is closed; A telephone transfer device comprising: a drive circuit that drives a switch connecting the first telephone line and the second telephone line when the timer circuit issues an output.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4913186U JPS62161443U (en) | 1986-04-01 | 1986-04-01 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4913186U JPS62161443U (en) | 1986-04-01 | 1986-04-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS62161443U true JPS62161443U (en) | 1987-10-14 |
Family
ID=30871295
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4913186U Pending JPS62161443U (en) | 1986-04-01 | 1986-04-01 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS62161443U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8695685B2 (en) | 2009-06-26 | 2014-04-15 | Sms Siemag Aktiengesellschaft | Method and device for producing steel strips by means of belt casting |
-
1986
- 1986-04-01 JP JP4913186U patent/JPS62161443U/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8695685B2 (en) | 2009-06-26 | 2014-04-15 | Sms Siemag Aktiengesellschaft | Method and device for producing steel strips by means of belt casting |