JPH0751638Y2 - 光源駆動回路 - Google Patents

光源駆動回路

Info

Publication number
JPH0751638Y2
JPH0751638Y2 JP1830890U JP1830890U JPH0751638Y2 JP H0751638 Y2 JPH0751638 Y2 JP H0751638Y2 JP 1830890 U JP1830890 U JP 1830890U JP 1830890 U JP1830890 U JP 1830890U JP H0751638 Y2 JPH0751638 Y2 JP H0751638Y2
Authority
JP
Japan
Prior art keywords
light source
circuit
leds
power supply
voltage
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.)
Expired - Lifetime
Application number
JP1830890U
Other languages
English (en)
Japanese (ja)
Other versions
JPH03110562U (en, 2012
Inventor
和男 長谷川
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Alps Alpine Co Ltd
Original Assignee
Alps Electric Co Ltd
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 by Alps Electric Co Ltd filed Critical Alps Electric Co Ltd
Priority to JP1830890U priority Critical patent/JPH0751638Y2/ja
Priority to US07/653,191 priority patent/US5144117A/en
Publication of JPH03110562U publication Critical patent/JPH03110562U/ja
Application granted granted Critical
Publication of JPH0751638Y2 publication Critical patent/JPH0751638Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

JP1830890U 1990-02-27 1990-02-27 光源駆動回路 Expired - Lifetime JPH0751638Y2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1830890U JPH0751638Y2 (ja) 1990-02-27 1990-02-27 光源駆動回路
US07/653,191 US5144117A (en) 1990-02-27 1991-02-07 Illumination type optical recorded information reading device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1830890U JPH0751638Y2 (ja) 1990-02-27 1990-02-27 光源駆動回路

Publications (2)

Publication Number Publication Date
JPH03110562U JPH03110562U (en, 2012) 1991-11-13
JPH0751638Y2 true JPH0751638Y2 (ja) 1995-11-22

Family

ID=31521471

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1830890U Expired - Lifetime JPH0751638Y2 (ja) 1990-02-27 1990-02-27 光源駆動回路

Country Status (1)

Country Link
JP (1) JPH0751638Y2 (en, 2012)

Also Published As

Publication number Publication date
JPH03110562U (en, 2012) 1991-11-13

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term