JPS60168220U - Display switching circuit - Google Patents
Display switching circuitInfo
- Publication number
- JPS60168220U JPS60168220U JP5651784U JP5651784U JPS60168220U JP S60168220 U JPS60168220 U JP S60168220U JP 5651784 U JP5651784 U JP 5651784U JP 5651784 U JP5651784 U JP 5651784U JP S60168220 U JPS60168220 U JP S60168220U
- Authority
- JP
- Japan
- Prior art keywords
- resistor
- series
- display section
- switching circuit
- display
- 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
Landscapes
- Keying Circuit Devices (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図は従来の表示切換回路の回路図、第2図はこの考
案の表示切換回路の一実施例の回路図、第3図はこの考
案の表示切換回路の他の実施例の回路図である。
1、4.5・・・・・・抵抗、1,3・・・・・・表示
部、21.22,31,32,6・・・・・・発光ダイ
オード、23.24,33,34・・・・・・スイッチ
。Figure 1 is a circuit diagram of a conventional display switching circuit, Figure 2 is a circuit diagram of one embodiment of the display switching circuit of this invention, and Figure 3 is a circuit diagram of another embodiment of the display switching circuit of this invention. be. 1, 4.5... Resistor, 1, 3... Display section, 21.22, 31, 32, 6... Light emitting diode, 23.24, 33, 34 ······switch.
Claims (1)
に接続して1単位の表示部を形成し、この表示部の複数
個を抵抗と直列に接続するかあるいは少な(とも1個の
表示部と抵抗を直列にして電源とアース間に接続し、上
記抵抗にかかる電圧を上記表示部内の1個の発光素子の
順方向電圧より大きくするとともに各表示部に並列に上
記抵抗より抵抗値の小さい第2の抵抗を接続してなる表
示切換回路。One unit of display section is formed by connecting multiple series circuits in which a light emitting element and a filter are connected in series in parallel, and a plurality of these display sections are connected in series with a resistor, or a small number of display sections (one display section is connected in series). and a resistor are connected in series between the power supply and ground, and the voltage applied to the resistor is made larger than the forward voltage of one light emitting element in the display section, and the resistor is connected in parallel to each display section with a resistance value smaller than the above resistor. A display switching circuit formed by connecting a second resistor.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5651784U JPS60168220U (en) | 1984-04-17 | 1984-04-17 | Display switching circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5651784U JPS60168220U (en) | 1984-04-17 | 1984-04-17 | Display switching circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS60168220U true JPS60168220U (en) | 1985-11-08 |
Family
ID=30580185
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5651784U Pending JPS60168220U (en) | 1984-04-17 | 1984-04-17 | Display switching circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS60168220U (en) |
-
1984
- 1984-04-17 JP JP5651784U patent/JPS60168220U/en active Pending
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