JPH0563999B2 - - Google Patents

Info

Publication number
JPH0563999B2
JPH0563999B2 JP32171388A JP32171388A JPH0563999B2 JP H0563999 B2 JPH0563999 B2 JP H0563999B2 JP 32171388 A JP32171388 A JP 32171388A JP 32171388 A JP32171388 A JP 32171388A JP H0563999 B2 JPH0563999 B2 JP H0563999B2
Authority
JP
Japan
Prior art keywords
constant voltage
voltage circuit
current
terminal
light emitting
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 - Fee Related
Application number
JP32171388A
Other languages
English (en)
Japanese (ja)
Other versions
JPH02166894A (ja
Inventor
Hiroshi Sumya
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 JPH02166894A (ja) 1990-06-27
JPH0563999B2 true 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)

Families Citing this family (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
JP5522530B2 (ja) * 2010-05-17 2014-06-18 株式会社リコー ビデオカメラ装置
JP5533452B2 (ja) * 2010-08-31 2014-06-25 株式会社リコー ビデオカメラ装置

Also Published As

Publication number Publication date
JPH02166894A (ja) 1990-06-27

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