JPH0286287U - - Google Patents
Info
- Publication number
- JPH0286287U JPH0286287U JP16730388U JP16730388U JPH0286287U JP H0286287 U JPH0286287 U JP H0286287U JP 16730388 U JP16730388 U JP 16730388U JP 16730388 U JP16730388 U JP 16730388U JP H0286287 U JPH0286287 U JP H0286287U
- Authority
- JP
- Japan
- Prior art keywords
- signaling signal
- signal transmitting
- transmitting circuit
- photocoupler
- transmits
- 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
- 230000011664 signaling Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Dc Digital Transmission (AREA)
Description
第1図はこの考案の一実施例によるシグナリン
グ信号送信回路を示す回路図、第2図は従来のシ
グナリング信号送信回路の回路図である。
図において、10は抵抗、11はドライバゲー
ト、12は定電流回路を示す。なお、図中、同一
符号は同一、または相当部分を示す。
FIG. 1 is a circuit diagram showing a signaling signal transmitting circuit according to an embodiment of this invention, and FIG. 2 is a circuit diagram of a conventional signaling signal transmitting circuit. In the figure, 10 is a resistor, 11 is a driver gate, and 12 is a constant current circuit. In addition, in the figures, the same reference numerals indicate the same or corresponding parts.
Claims (1)
グナリング信号送信回路において、スイツチング
にフオトカプラを用いたことを特徴とするシグナ
リング信号送信回路。 1. A signaling signal transmitting circuit that transmits a signaling signal by current drive, characterized in that a photocoupler is used for switching.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16730388U JPH0286287U (en) | 1988-12-22 | 1988-12-22 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16730388U JPH0286287U (en) | 1988-12-22 | 1988-12-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0286287U true JPH0286287U (en) | 1990-07-09 |
Family
ID=31455472
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16730388U Pending JPH0286287U (en) | 1988-12-22 | 1988-12-22 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0286287U (en) |
-
1988
- 1988-12-22 JP JP16730388U patent/JPH0286287U/ja active Pending