JPH02166894A - 照明付テレビドアホン子機 - Google Patents

照明付テレビドアホン子機

Info

Publication number
JPH02166894A
JPH02166894A JP32171388A JP32171388A JPH02166894A JP H02166894 A JPH02166894 A JP H02166894A JP 32171388 A JP32171388 A JP 32171388A JP 32171388 A JP32171388 A JP 32171388A JP H02166894 A JPH02166894 A JP H02166894A
Authority
JP
Japan
Prior art keywords
constant voltage
terminal
current
circuit
voltage circuit
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
JP32171388A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0563999B2 (enrdf_load_stackoverflow
Inventor
Hiroshi Sumiya
角谷　浩史
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.)
Aiphone Co Ltd
Original Assignee
Aiphone 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 Aiphone Co Ltd filed Critical Aiphone Co Ltd
Priority to JP32171388A priority Critical patent/JPH02166894A/ja
Publication of JPH02166894A publication Critical patent/JPH02166894A/ja
Publication of JPH0563999B2 publication Critical patent/JPH0563999B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Closed-Circuit Television Systems (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
JP32171388A 1988-12-20 1988-12-20 照明付テレビドアホン子機 Granted JPH02166894A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP32171388A JPH02166894A (ja) 1988-12-20 1988-12-20 照明付テレビドアホン子機

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP32171388A JPH02166894A (ja) 1988-12-20 1988-12-20 照明付テレビドアホン子機

Publications (2)

Publication Number Publication Date
JPH02166894A true JPH02166894A (ja) 1990-06-27
JPH0563999B2 JPH0563999B2 (enrdf_load_stackoverflow) 1993-09-13

Family

ID=18135606

Family Applications (1)

Application Number Title Priority Date Filing Date
JP32171388A Granted JPH02166894A (ja) 1988-12-20 1988-12-20 照明付テレビドアホン子機

Country Status (1)

Country Link
JP (1) JPH02166894A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6689222B2 (en) 1999-11-03 2004-02-10 Applied Materials, Inc. Sealable surface method and device
JP2011244124A (ja) * 2010-05-17 2011-12-01 Ricoh Co Ltd ビデオカメラ装置
JP2012053144A (ja) * 2010-08-31 2012-03-15 Ricoh Co Ltd ビデオカメラ装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6689222B2 (en) 1999-11-03 2004-02-10 Applied Materials, Inc. Sealable surface method and device
JP2011244124A (ja) * 2010-05-17 2011-12-01 Ricoh Co Ltd ビデオカメラ装置
JP2012053144A (ja) * 2010-08-31 2012-03-15 Ricoh Co Ltd ビデオカメラ装置

Also Published As

Publication number Publication date
JPH0563999B2 (enrdf_load_stackoverflow) 1993-09-13

Similar Documents

Publication Publication Date Title
CN100504976C (zh) 发光元件驱动装置、包含该装置的显示模块以及电子设备
US20070018594A1 (en) Holiday light string devices
JPH02166894A (ja) 照明付テレビドアホン子機
US10764985B2 (en) Drive circuit for transmitting data signals on power wire
CN221961995U (zh) 一种3d柔性霓虹灯
US4201039A (en) Numerical display using plural light sources and having a reduced and substantially constant current requirement
CN116567898B (zh) 轨道灯组件和轨道照明装置
CN216626110U (zh) 调光控制电路、调光器、驱动电路及照明装置
CN209497658U (zh) 应急标志灯与灯具管理系统
CN209593860U (zh) 应急标志灯以及灯具管理系统
CN102006699B (zh) 一种警用拍照灯电路
CN110648619A (zh) 数码管显示电路
JPS62195963A (ja) 通話状態検出装置
CN222564005U (zh) 一种led线性驱动电路及led装置
CN222192598U (zh) 一种led调光电路
CN222128339U (zh) 一种适用于共正极led光源的低压线性驱动电路及cob灯
CN221670086U (zh) Led线性驱动电路及系统
CN109618462A (zh) 一种基于有线通信的照明控制装置及系统
CN213073170U (zh) 一种led调光电路
CN221652812U (zh) 利用开关进行设置的调光控制电路及开关调光led灯电路
CN213900785U (zh) 一种流星灯
KR970006988Y1 (ko) 도어폰용 ccd모듈 카메라의 소비전류 절전회로
CN110113844B (zh) 一种led的控制电路及其监控摄像头、监控系统
JP3213212B2 (ja) テレビドアホン装置
JPH0742968U (ja) マルチチップｌｅｄ

Legal Events

Date Code Title Description
R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

LAPS Cancellation because of no payment of annual fees