JPS58123656U - telephone - Google Patents
telephoneInfo
- Publication number
- JPS58123656U JPS58123656U JP2035382U JP2035382U JPS58123656U JP S58123656 U JPS58123656 U JP S58123656U JP 2035382 U JP2035382 U JP 2035382U JP 2035382 U JP2035382 U JP 2035382U JP S58123656 U JPS58123656 U JP S58123656U
- Authority
- JP
- Japan
- Prior art keywords
- detection circuit
- detection
- value
- circuit
- power supply
- 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.)
- Granted
Links
Landscapes
- Power Sources (AREA)
- Devices For Supply Of Signal Current (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図は本考案の一実施例を示す回路構成図、第2図は
その動作例を示すフローチャートである。
10・・・・・・電話機回路部、15・・・・・・電源
回路、16・・・・・・通話回路、20・・・・・・制
御部、21・・・・・・入出力ポート、22・・・・・
・中央処理装置、40・〕・・・・フックスイッチ、5
0・・・・・・リレー制御回路、70・−・・・・第1
検出回路、80・・・・・・第2検出回路。
第2図
[l
[FIG. 1 is a circuit diagram showing an embodiment of the present invention, and FIG. 2 is a flowchart showing an example of its operation. 10...Telephone circuit section, 15...Power supply circuit, 16...Telephone circuit, 20...Control unit, 21...Input/output Port, 22...
・Central processing unit, 40.]...Hook switch, 5
0...Relay control circuit, 70...1st
Detection circuit, 80... Second detection circuit. Figure 2 [l [
Claims (1)
話機において、オフフック後に前記電源の電圧が第1の
電圧値以上であるか否かを検出する第1検出回路と、同
じく第2の電圧値以上であるか否かを検出する第2検出
回路とを備え、前記制御回路は、前記第1検出回路や出
力に基いてリセット状態を解除されて前記第2検出回路
の出力の検知動作を行なうと共に検知結果に基いて主制
御動作を開始するように構成してなることを特徴とする
電話機。 −In a telephone set that obtains power for a control circuit by using a central power supply from an exchange, a first detection circuit detects whether the voltage of the power supply is equal to or higher than a first voltage value after off-hook; a second detection circuit that detects whether or not the value is greater than or equal to a value, and the control circuit is configured to release the reset state based on the first detection circuit and the output and perform a detection operation of the output of the second detection circuit. 1. A telephone set which is configured to start a main control operation based on a detection result. −
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2035382U JPS58123656U (en) | 1982-02-15 | 1982-02-15 | telephone |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2035382U JPS58123656U (en) | 1982-02-15 | 1982-02-15 | telephone |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS58123656U true JPS58123656U (en) | 1983-08-23 |
JPH0224299Y2 JPH0224299Y2 (en) | 1990-07-03 |
Family
ID=30032523
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2035382U Granted JPS58123656U (en) | 1982-02-15 | 1982-02-15 | telephone |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS58123656U (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60193532A (en) * | 1984-03-15 | 1985-10-02 | Canon Inc | Film forming device |
JPS60201768A (en) * | 1984-03-27 | 1985-10-12 | Tamura Electric Works Ltd | Power supply circuit of public telephone |
JPH01208961A (en) * | 1988-02-16 | 1989-08-22 | Funai Denki Kk | Telephone set |
JP2018186441A (en) * | 2017-04-27 | 2018-11-22 | サクサ株式会社 | Telephone unit |
-
1982
- 1982-02-15 JP JP2035382U patent/JPS58123656U/en active Granted
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60193532A (en) * | 1984-03-15 | 1985-10-02 | Canon Inc | Film forming device |
JPS60201768A (en) * | 1984-03-27 | 1985-10-12 | Tamura Electric Works Ltd | Power supply circuit of public telephone |
JPH01208961A (en) * | 1988-02-16 | 1989-08-22 | Funai Denki Kk | Telephone set |
JP2018186441A (en) * | 2017-04-27 | 2018-11-22 | サクサ株式会社 | Telephone unit |
Also Published As
Publication number | Publication date |
---|---|
JPH0224299Y2 (en) | 1990-07-03 |
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