JPS6364148U - - Google Patents
Info
- Publication number
- JPS6364148U JPS6364148U JP15822686U JP15822686U JPS6364148U JP S6364148 U JPS6364148 U JP S6364148U JP 15822686 U JP15822686 U JP 15822686U JP 15822686 U JP15822686 U JP 15822686U JP S6364148 U JPS6364148 U JP S6364148U
- Authority
- JP
- Japan
- Prior art keywords
- constant current
- generation circuit
- current diode
- signal generation
- selection
- 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 5
- 238000010586 diagram Methods 0.000 description 2
Description
第1図はこの考案の一実施例による電話機を示
すブロツク図であり、第2図は従来の電話機を示
すブロツク図である。
2は選択信号発生回路、3は出力接点、6はス
イツチ、8は第1の定電流ダイオード、9は第2
の定電流ダイオード。なお、図中、同一符号は同
一、又は相当部分を示す。
FIG. 1 is a block diagram showing a telephone according to an embodiment of this invention, and FIG. 2 is a block diagram showing a conventional telephone. 2 is a selection signal generation circuit, 3 is an output contact, 6 is a switch, 8 is a first constant current diode, and 9 is a second
constant current diode. In addition, in the figures, the same reference numerals indicate the same or equivalent parts.
Claims (1)
じて開閉する出力接点を有してダイヤルパルス信
号を発生するとともに、選択情報に応じた周波数
の押しボタンダイヤル信号を発生する選択信号発
生回路を備えた電話器において、前記ラインの一
方と前記選択信号発生回路の電源端子との間に第
1の定電流ダイオードを接続するとともに、前記
ラインの一方と前記選択信号発生回路の電源端子
との間に、前記選択信号発生回路がダイヤルパル
ス信号送出時にオフ、押しボタンダイヤル信号送
出時にオンとなるスイツチを介して、第2の定電
流ダイオードを前記第1の定電流ダイオードと同
一の極性で接続したことを特徴とする電話機。 It is equipped with a selection signal generation circuit that has an output contact that is connected in parallel to the line and opens and closes according to the selection information to generate a dial pulse signal, and also generates a push button dial signal of a frequency according to the selection information. In the telephone, a first constant current diode is connected between one of the lines and the power terminal of the selection signal generation circuit, and a first constant current diode is connected between one of the lines and the power terminal of the selection signal generation circuit. , the second constant current diode is connected with the same polarity as the first constant current diode through a switch that is turned off when the selection signal generation circuit sends out the dial pulse signal and turned on when the pushbutton dial signal is sent out; A phone featuring:
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15822686U JPS6364148U (en) | 1986-10-17 | 1986-10-17 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15822686U JPS6364148U (en) | 1986-10-17 | 1986-10-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6364148U true JPS6364148U (en) | 1988-04-27 |
Family
ID=31081518
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15822686U Pending JPS6364148U (en) | 1986-10-17 | 1986-10-17 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6364148U (en) |
-
1986
- 1986-10-17 JP JP15822686U patent/JPS6364148U/ja active Pending