JPH0223186U - - Google Patents
Info
- Publication number
- JPH0223186U JPH0223186U JP9900788U JP9900788U JPH0223186U JP H0223186 U JPH0223186 U JP H0223186U JP 9900788 U JP9900788 U JP 9900788U JP 9900788 U JP9900788 U JP 9900788U JP H0223186 U JPH0223186 U JP H0223186U
- Authority
- JP
- Japan
- Prior art keywords
- light emitting
- emitting diode
- power supply
- circuit output
- terminal
- 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
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 238000012544 monitoring process Methods 0.000 description 1
Landscapes
- Selective Calling Equipment (AREA)
Description
第１図は本考案一実施例の要部回路図、第２図
は他の実施例の具体回路図、第３図は本考案に係
る遠隔制御用端末器を用いた遠隔監視制御システ
ムの概略構成図、第４図は同上の動作説明図、第
５図は同上の要部具体回路図、第６図は従来例の
要部回路図である。
１は中央制御装置、２，３は端末器、４は信号
線、２０は端末器回路、２１は整流回路、２２は
電源回路、ＬＤは発光ダイオード、Ｑはスイツチ
ング用トランジスタである。
Fig. 1 is a circuit diagram of a main part of one embodiment of the present invention, Fig. 2 is a specific circuit diagram of another embodiment, and Fig. 3 is an outline of a remote monitoring and control system using a remote control terminal according to the present invention. FIG. 4 is an operational explanatory diagram of the same as above, FIG. 5 is a specific circuit diagram of the main part of the same, and FIG. 6 is a circuit diagram of the main part of the conventional example. 1 is a central control unit, 2 and 3 are terminals, 4 is a signal line, 20 is a terminal circuit, 21 is a rectifier circuit, 22 is a power supply circuit, LD is a light emitting diode, and Q is a switching transistor.
Claims (1)
され上記中央制御装置からアクセスされたときに
データを時分割多重伝送する端末器回路と、中央
制御装置からの伝送信号を整流する整流回路と、
整流回路出力を安定化した端末器回路用電源を形
成する電源回路とを具備した遠隔制御用端末器に
おいて、整流回路出力を動作表示用発光ダイオー
ドを介して電源回路に印加し、端末器回路出力に
て制御されるスイツチング用トランジスタを発光
ダイオードに並列接続し、スイツチング用トラン
ジスタのオフ時に発光ダイオードを点灯させるよ
うにしたことを特徴とする遠隔制御用端末器。 (2) 整流回路出力を直列接続された複数の発光
ダイオードを介して電源回路に印加し、端末器回
路出力にて制御されるスイツチング用トランジス
タを各発光ダイオードに並列接続したことを特徴
とする請求項１記載の遠隔制御用端末器。[Claims for Utility Model Registration] (1) A terminal circuit that is connected to a central control device via a pair of signal lines and transmits data via time division multiplexing when accessed from the central control device; a rectifier circuit that rectifies the transmission signal of
In a remote control terminal equipped with a power supply circuit that stabilizes the rectifier circuit output and forms a power supply for the terminal circuit, the rectifier circuit output is applied to the power supply circuit via an operation display light emitting diode, and the terminal circuit output is A remote control terminal device, characterized in that a switching transistor controlled by a light emitting diode is connected in parallel with a light emitting diode, and the light emitting diode is turned on when the switching transistor is turned off. (2) A claim characterized in that the rectifier circuit output is applied to the power supply circuit via a plurality of series-connected light emitting diodes, and a switching transistor controlled by the terminal circuit output is connected in parallel to each light emitting diode. Item 1. The remote control terminal device according to item 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9900788U JPH0715254Y2 (en) | 1988-07-26 | 1988-07-26 | Remote control terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9900788U JPH0715254Y2 (en) | 1988-07-26 | 1988-07-26 | Remote control terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0223186U true JPH0223186U (en) | 1990-02-15 |
| JPH0715254Y2 JPH0715254Y2 (en) | 1995-04-10 |
Family
ID=31325773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9900788U Expired - Lifetime JPH0715254Y2 (en) | 1988-07-26 | 1988-07-26 | Remote control terminal |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0715254Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0484593A (en) * | 1990-07-27 | 1992-03-17 | Mitsubishi Electric Corp | Transmission terminal equipment |
-
1988
- 1988-07-26 JP JP9900788U patent/JPH0715254Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0484593A (en) * | 1990-07-27 | 1992-03-17 | Mitsubishi Electric Corp | Transmission terminal equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0715254Y2 (en) | 1995-04-10 |
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