JPH067984Y2 - ランプ切れ検出回路 - Google Patents

ランプ切れ検出回路

Info

Publication number
JPH067984Y2
JPH067984Y2 JP2727090U JP2727090U JPH067984Y2 JP H067984 Y2 JPH067984 Y2 JP H067984Y2 JP 2727090 U JP2727090 U JP 2727090U JP 2727090 U JP2727090 U JP 2727090U JP H067984 Y2 JPH067984 Y2 JP H067984Y2
Authority
JP
Japan
Prior art keywords
transistor
resistor
lamp
voltage
power supply
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
JP2727090U
Other languages
English (en)
Japanese (ja)
Other versions
JPH03118135U (OSRAM
Inventor
充 倉持
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.)
Rhythm Co Ltd
Original Assignee
Rhythm Watch 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 Rhythm Watch Co Ltd filed Critical Rhythm Watch Co Ltd
Priority to JP2727090U priority Critical patent/JPH067984Y2/ja
Publication of JPH03118135U publication Critical patent/JPH03118135U/ja
Application granted granted Critical
Publication of JPH067984Y2 publication Critical patent/JPH067984Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

JP2727090U 1990-03-19 1990-03-19 ランプ切れ検出回路 Expired - Lifetime JPH067984Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2727090U JPH067984Y2 (ja) 1990-03-19 1990-03-19 ランプ切れ検出回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2727090U JPH067984Y2 (ja) 1990-03-19 1990-03-19 ランプ切れ検出回路

Publications (2)

Publication Number Publication Date
JPH03118135U JPH03118135U (OSRAM) 1991-12-05
JPH067984Y2 true JPH067984Y2 (ja) 1994-03-02

Family

ID=31530133

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2727090U Expired - Lifetime JPH067984Y2 (ja) 1990-03-19 1990-03-19 ランプ切れ検出回路

Country Status (1)

Country Link
JP (1) JPH067984Y2 (OSRAM)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008253716A (ja) * 2007-04-06 2008-10-23 Kunihiro Uekami ゴルフパター

Also Published As

Publication number Publication date
JPH03118135U (OSRAM) 1991-12-05

Similar Documents

Publication Publication Date Title
US9872350B2 (en) Power supply unit and related lighting system
US4574276A (en) Indicating system
EP0011454B1 (en) Monitoring circuits, more particularly for monitoring lamp circuits
JPH067984Y2 (ja) ランプ切れ検出回路
JP2615890B2 (ja) 制御機器の入力装置
US4565959A (en) Current supply circuit with redundant back-up current source
JPH09321598A (ja) 検出スイッチ
JPH07209364A (ja) 電気制御装置のための指示装置
JPH0228117Y2 (OSRAM)
JP2617956B2 (ja) 定電流回路
JPH0139640Y2 (OSRAM)
JP2546051Y2 (ja) 安定化電源回路
JPH0130267Y2 (OSRAM)
JPH0749541Y2 (ja) トランジスタスイッチ回路
JPH04560Y2 (OSRAM)
JPH0130266Y2 (OSRAM)
JPH0612926B2 (ja) 制御装置の保護回路
JP2745637B2 (ja) 直流２線式センサ
JPS5856833B2 (ja) 電圧検出回路
JP3094653B2 (ja) 過電流防止回路
JP2580932Y2 (ja) 電源異常検出回路
JPS6241341Y2 (OSRAM)
JP2530244B2 (ja) 温度表示器回路
JPH0545079Y2 (OSRAM)
JPS6118638Y2 (OSRAM)