JPH04764U - - Google Patents
Info
- Publication number
- JPH04764U JPH04764U JP4041790U JP4041790U JPH04764U JP H04764 U JPH04764 U JP H04764U JP 4041790 U JP4041790 U JP 4041790U JP 4041790 U JP4041790 U JP 4041790U JP H04764 U JPH04764 U JP H04764U
- Authority
- JP
- Japan
- Prior art keywords
- full
- switching element
- autotransformer
- input current
- wave
- 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 4
Landscapes
- Illuminated Signs And Luminous Advertising (AREA)
Description
第１図はこの考案の一実施例によるＬＥＤ式表
示灯を示す回路図、第２図は従来の交流用のＬＥ
Ｄ式表示灯を示す回路図、第３図は従来の直流用
の表示灯を示す回路図である。
図中、１……端子台、２……切換スイツチ（切
換素子）、３……単巻変圧器、４……ダイオード
スタツク（全波整流素子）、５……発光ダイオー
ド（ＬＥＤ）を示す。なお、図中、同一符号は同
一または相当部分を示す。
Figure 1 is a circuit diagram showing an LED indicator light according to an embodiment of this invention, and Figure 2 is a circuit diagram of a conventional AC LED indicator light.
FIG. 3 is a circuit diagram showing a D-type indicator light. FIG. 3 is a circuit diagram showing a conventional DC indicator light. In the figure, 1... terminal block, 2... changeover switch (switching element), 3... autotransformer, 4... diode stack (full wave rectifier), 5... light emitting diode (LED). . In addition, in the figures, the same reference numerals indicate the same or corresponding parts.
Claims (1)
に切換える切換素子と、上記切換素子により交流
用に接続するときに使用する電源電圧調整用の単
巻変圧器と、上記切換素子と上記単巻変圧器の両
端に接続し、入力電流を全波整流する全波整流素
子と、上記全波整流素子と接続し、全波整流後の
上記入力電流により点灯する発光ダイオードとを
備えたＬＥＤ式表示灯。 A switching element that switches between AC or DC according to the power source used, an autotransformer for adjusting the power supply voltage used when connecting to AC using the switching element, and the switching element and the autotransformer. an LED indicator light comprising: a full-wave rectifier connected to both ends of the device to perform full-wave rectification of the input current; and a light-emitting diode connected to the full-wave rectifier and lit by the input current after full-wave rectification. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4041790U JPH04764U (en) | 1990-04-16 | 1990-04-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4041790U JPH04764U (en) | 1990-04-16 | 1990-04-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04764U true JPH04764U (en) | 1992-01-07 |
Family
ID=31550189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4041790U Pending JPH04764U (en) | 1990-04-16 | 1990-04-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04764U (en) |
-
1990
- 1990-04-16 JP JP4041790U patent/JPH04764U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH04764U (en) | ||
| JPS62116499U (en) | ||
| JPH0210790U (en) | ||
| JPS60138298U (en) | discharge lamp lighting device | |
| JPH0386419U (en) | ||
| JPH0171455U (en) | ||
| JPS62150898U (en) | ||
| JPH0364498U (en) | ||
| JPS6225446U (en) | ||
| JPH03124958U (en) | ||
| JPS624893U (en) | ||
| JPH02118437U (en) | ||
| JPH03112031U (en) | ||
| JPS6099884U (en) | load control circuit | |
| JPS62201499U (en) | ||
| JPS61160529U (en) | ||
| JPS63123094U (en) | ||
| JPS61797U (en) | discharge lamp lighting device | |
| JPS5887297U (en) | Fluorescent light lighting circuit | |
| JPS61119215U (en) | ||
| JPH037623U (en) | ||
| JPS61146898U (en) | ||
| JPS622386U (en) | ||
| JPS63141995U (en) | ||
| JPH0192799U (en) |