JPH0483652U - - Google Patents
Info
- Publication number
- JPH0483652U JPH0483652U JP12646690U JP12646690U JPH0483652U JP H0483652 U JPH0483652 U JP H0483652U JP 12646690 U JP12646690 U JP 12646690U JP 12646690 U JP12646690 U JP 12646690U JP H0483652 U JPH0483652 U JP H0483652U
- Authority
- JP
- Japan
- Prior art keywords
- resistor
- light emitting
- emitting diodes
- control circuit
- circuit
- 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Accessory Devices And Overall Control Thereof (AREA)
Description
第１図は実施例による多重制御回路、第２図は
シリアルデータの構成図、第３図はＳＷセンスデ
ータ出力期間時のドライバ入出力関係図、第４図
は実施例のタイムチヤート、第５図は従来例を示
すオペレーシヨンパネルの正面図、第６図は従来
例による多重制御回路である。
１……ドライバＩＣ、２……第１の回路、３…
…第２の回路。
FIG. 1 is a multiplex control circuit according to the embodiment, FIG. 2 is a configuration diagram of serial data, FIG. 3 is a driver input/output relationship diagram during the SW sense data output period, FIG. 4 is a time chart of the embodiment, and FIG. The figure is a front view of a conventional operation panel, and FIG. 6 is a conventional multiplex control circuit. 1... Driver IC, 2... First circuit, 3...
...Second circuit.
Claims (1)
各出力端に接続し、この発光ダイオードの各他端
にそれぞれ第１の抵抗の一端を接続し、この抵抗
の各他端をスイツチング素子を介して接地する第
１の回路と、 複数のスイツチの各一端を前記発光ダイオード
の各一端に接続するとともに、このスイツチの各
他端を第２の抵抗を介して接地する第２の回路と
を備えてなることを特徴とする多重制御回路。 ２ 第２の抵抗の抵抗値が第１の抵抗の抵抗値よ
り大である請求項１記載の多重制御回路。[Claims for Utility Model Registration] 1. One end of each of a plurality of light emitting diodes is connected to each output end of a driver, one end of a first resistor is connected to each other end of the light emitting diodes, a first circuit that connects one end of each of the plurality of switches to one end of each of the light emitting diodes, and a second circuit that connects one end of each of the plurality of switches to one end of each of the light emitting diodes and grounds each other end of the switch through a second resistor; 1. A multiplex control circuit comprising: 2 circuits. 2. The multiplex control circuit according to claim 1, wherein the resistance value of the second resistor is greater than the resistance value of the first resistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12646690U JPH0483652U (en) | 1990-11-30 | 1990-11-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12646690U JPH0483652U (en) | 1990-11-30 | 1990-11-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0483652U true JPH0483652U (en) | 1992-07-21 |
Family
ID=31874022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12646690U Pending JPH0483652U (en) | 1990-11-30 | 1990-11-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0483652U (en) |
-
1990
- 1990-11-30 JP JP12646690U patent/JPH0483652U/ja active Pending
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