JPS5920391U - Display switching circuit - Google Patents
Display switching circuitInfo
- Publication number
- JPS5920391U JPS5920391U JP11326782U JP11326782U JPS5920391U JP S5920391 U JPS5920391 U JP S5920391U JP 11326782 U JP11326782 U JP 11326782U JP 11326782 U JP11326782 U JP 11326782U JP S5920391 U JPS5920391 U JP S5920391U
- Authority
- JP
- Japan
- Prior art keywords
- negative
- positive
- display
- switching circuit
- display elements
- 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
- Audible And Visible Signals (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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図及び第２図は従来回路の各側の回路図、第３図及
び第４図は夫々本考案回路の第１及び第２実施例の回路
図である。
６．７，９．１０・・・発光ダイオード（ＬＥＤ）、８
゜１１・・・モード切換信号入力端子、Ｑ３． Ｑ、・
・・トランジスタ、Ｒ７〜Ｒ１ｏ・・・抵抗、＋８１．
＋’Ｂ２． 十Ｂ−・、電源正極、−Ｂ１．−Ｂ２．
−Ｂ・・・電源負極。1 and 2 are circuit diagrams of each side of the conventional circuit, and FIGS. 3 and 4 are circuit diagrams of the first and second embodiments of the circuit of the present invention, respectively. 6.7, 9.10... Light emitting diode (LED), 8
゜11...Mode switching signal input terminal, Q3. Q...
...Transistor, R7-R1o...Resistance, +81.
+'B2. 10B-・, power supply positive electrode, -B1. -B2.
-B...Power source negative electrode.
Claims (1)
持たない発光素子とダイオードとの直列接続２組を用い
、該２組の表示素子のカソード側（アノード側）を共通
に接続して抵抗又は定電流回路を介して電源の負（正）
極に゛接続し、一方の組の表示素子のアノード側（カソ
ード側）を第１の電源の正（負）極に接続すると共に、
他方の組の表示素子のアノード側（カソード側）を表示
モードの切換えに応じてオン、オフするスイッチ回・
路を介して該第１の電源の正（負）極電位より高い（低
い）第２の電源の正（負）極に接続してなる表示切換回
路。As a display element, two light emitting diodes or two sets of series connection of a light emitting element and a diode without current directionality are used, and the cathodes (anode sides) of the two sets of display elements are connected in common and a resistor or constant is used. Negative (positive) of the power supply through the current circuit
and connect the anode side (cathode side) of one set of display elements to the positive (negative) pole of the first power supply,
A switch that turns on and off the anode side (cathode side) of the other set of display elements according to the switching of the display mode.
A display switching circuit connected to a positive (negative) electrode of a second power source which is higher (lower) than the positive (negative) electrode potential of the first power source via a line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11326782U JPS5920391U (en) | 1982-07-26 | 1982-07-26 | Display switching circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11326782U JPS5920391U (en) | 1982-07-26 | 1982-07-26 | Display switching circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5920391U true JPS5920391U (en) | 1984-02-07 |
Family
ID=30262261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11326782U Pending JPS5920391U (en) | 1982-07-26 | 1982-07-26 | Display switching circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5920391U (en) |
-
1982
- 1982-07-26 JP JP11326782U patent/JPS5920391U/en active Pending
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