JPH0165158U - - Google Patents
Info
- Publication number
- JPH0165158U JPH0165158U JP1987160264U JP16026487U JPH0165158U JP H0165158 U JPH0165158 U JP H0165158U JP 1987160264 U JP1987160264 U JP 1987160264U JP 16026487 U JP16026487 U JP 16026487U JP H0165158 U JPH0165158 U JP H0165158U
- Authority
- JP
- Japan
- Prior art keywords
- light emitting
- emitting diode
- power supply
- lighting
- switching transistor
- 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
- 239000003990 capacitor Substances 0.000 claims description 2
- 230000004397 blinking Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Electronic Switches (AREA)
- Selective Calling Equipment (AREA)
- Optical Communication System (AREA)
Description
第１図は本考案の一実施例の電気回路図、第２
図はその波形図、第３図は従来実施例の電気回路
図、第４図はその波形図である。
１，２……発光ダイオード点灯回路、ＬＥＤ１
，ＬＥＤ２……発光ダイオード、ＴＲ１，ＴＲ２
……スイツチングトランジスタＴＲ、Ｒ１〜Ｒ５
……抵抗、Ｃ１〜Ｃ３……コンデンサ、Ｄ１〜Ｄ
３……ダイオード。
Fig. 1 is an electrical circuit diagram of one embodiment of the present invention;
The figure is a waveform diagram, FIG. 3 is an electric circuit diagram of a conventional embodiment, and FIG. 4 is a waveform diagram. 1, 2... Light emitting diode lighting circuit, LED 1
, LED 2 ... Light emitting diode, TR1, TR2
...Switching transistor TR, R1 to R5
...Resistor, C1-C3...Capacitor, D1-D
3...Diode.
Claims (1)
て発光ダイオードを点・滅制御する２つの発光ダ
イオード点灯回路のうち、一方の発光ダイオード
点灯回路のスイツチングトランジスタのベース端
子を、電源端子間に直列に接続された抵抗・コン
デンサの中間点に、直流電圧供給による時定数に
従つてベース電圧の上昇可能に接続し、他方の発
光ダイオード点灯回路のスイツチングトランジス
タのベース端子を、電源端子間に直列に接続され
た複数個のコンデンサの中間点に、パルス通電に
よるベース電圧の保持可能に接続し、両点灯回路
に共通の電源端子に直流電源を供給することによ
つて前記一方の発光ダイオードのみを点灯させ、
両点灯回路に共通の電源端子にパルス電源を供給
することによつて前記他方の発光ダイオードのみ
を点灯させることを特徴とする発光ダイオード点
灯制御回路。 Of the two light emitting diode lighting circuits that control the blinking and blinking of the light emitting diode by turning on and off the switching transistor, the base terminal of the switching transistor of one of the light emitting diode lighting circuits is connected in series between the power supply terminals. The base terminal of the switching transistor of the other light emitting diode lighting circuit is connected in series between the power supply terminals. connected to the intermediate point of the plurality of capacitors so that a base voltage can be maintained by pulse energization, and lighting only one of the light emitting diodes by supplying DC power to a power supply terminal common to both lighting circuits;
A light emitting diode lighting control circuit, characterized in that only the other light emitting diode is lit by supplying pulsed power to a power supply terminal common to both lighting circuits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987160264U JPH0530371Y2 (en) | 1987-10-20 | 1987-10-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987160264U JPH0530371Y2 (en) | 1987-10-20 | 1987-10-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0165158U true JPH0165158U (en) | 1989-04-26 |
| JPH0530371Y2 JPH0530371Y2 (en) | 1993-08-03 |
Family
ID=31442178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987160264U Expired - Lifetime JPH0530371Y2 (en) | 1987-10-20 | 1987-10-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0530371Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012081798A (en) * | 2010-10-07 | 2012-04-26 | Piaa Corp | Flashing canceler circuit |
-
1987
- 1987-10-20 JP JP1987160264U patent/JPH0530371Y2/ja not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012081798A (en) * | 2010-10-07 | 2012-04-26 | Piaa Corp | Flashing canceler circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0530371Y2 (en) | 1993-08-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0165158U (en) | ||
| JPS58182448U (en) | Light emitting element drive circuit | |
| JPS59159965U (en) | Light emitting diode lighting circuit | |
| JPH02101558U (en) | ||
| JPH0326014U (en) | ||
| JPS6349261U (en) | ||
| JPH0164694U (en) | ||
| JPH01160590U (en) | ||
| JPS62143541U (en) | ||
| JPS6286699U (en) | ||
| JPS638796U (en) | ||
| JPS6260011U (en) | ||
| JPS61142462U (en) | ||
| JPS59190100U (en) | Lamp random lighting circuit | |
| JPS6358298U (en) | ||
| JPS6214589U (en) | ||
| JPH0171455U (en) | ||
| JPS6214588U (en) | ||
| JPS6454785U (en) | ||
| JPS59118331U (en) | Timer operation display circuit | |
| JPS6255178U (en) | ||
| JPS63174470U (en) | ||
| JPS6284378U (en) | ||
| JPS61173155U (en) | ||
| JPS6438524U (en) |