JPH048455U - - Google Patents

Info

Publication number
JPH048455U
JPH048455U JP4831490U JP4831490U JPH048455U JP H048455 U JPH048455 U JP H048455U JP 4831490 U JP4831490 U JP 4831490U JP 4831490 U JP4831490 U JP 4831490U JP H048455 U JPH048455 U JP H048455U
Authority
JP
Japan
Prior art keywords
light
emitting diodes
driving
emitting diode
colors
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
Application number
JP4831490U
Other languages
Japanese (ja)
Other versions
JP2545774Y2 (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP4831490U priority Critical patent/JP2545774Y2/en
Publication of JPH048455U publication Critical patent/JPH048455U/ja
Application granted granted Critical
Publication of JP2545774Y2 publication Critical patent/JP2545774Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案実施例の発光ダイオード駆動装
置のブロツク図、第２図はその波形図である。 １……発光ダイオード、２……発振器、３……
分周器、４……積分器、５……出力手段、６……
微分器、７，８……シフトレジスタＳＲ、９……
一致回路、１０……トランジスタ。 FIG. 1 is a block diagram of a light emitting diode driving device according to an embodiment of the present invention, and FIG. 2 is a waveform diagram thereof. 1... Light emitting diode, 2... Oscillator, 3...
Frequency divider, 4... Integrator, 5... Output means, 6...
Differentiator, 7, 8...Shift register SR, 9...
Matching circuit, 10...transistor.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 複数の色の発光ダイオードと、三角波の波高と
立上り部分を含む通電時間を選択して駆動信号を
形成し発光ダイオードを駆動する駆動手段とを具
備した事を特徴とする発光ダイオード駆動装置。 A light-emitting diode driving device comprising light-emitting diodes of a plurality of colors and a driving means for selecting the current conduction time including the wave height and rising portion of a triangular wave to form a drive signal and driving the light-emitting diodes.
JP4831490U 1990-05-08 1990-05-08 LED driver Expired - Lifetime JP2545774Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4831490U JP2545774Y2 (en) 1990-05-08 1990-05-08 LED driver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4831490U JP2545774Y2 (en) 1990-05-08 1990-05-08 LED driver

Publications (2)

Publication Number Publication Date
JPH048455U true JPH048455U (en) 1992-01-27
JP2545774Y2 JP2545774Y2 (en) 1997-08-27

Family

ID=31565013

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4831490U Expired - Lifetime JP2545774Y2 (en) 1990-05-08 1990-05-08 LED driver

Country Status (1)

Country Link
JP (1) JP2545774Y2 (en)

Also Published As

Publication number Publication date
JP2545774Y2 (en) 1997-08-27

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