JP2003125392A5 - - Google Patents

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Publication number
JP2003125392A5
JP2003125392A5 JP2001317117A JP2001317117A JP2003125392A5 JP 2003125392 A5 JP2003125392 A5 JP 2003125392A5 JP 2001317117 A JP2001317117 A JP 2001317117A JP 2001317117 A JP2001317117 A JP 2001317117A JP 2003125392 A5 JP2003125392 A5 JP 2003125392A5
Authority
JP
Japan
Prior art keywords
voltage
camera
power
indoor unit
switching regulator
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
JP2001317117A
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English (en)
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JP2003125392A (ja
JP3773038B2 (ja
Filing date
Publication date
Application filed filed Critical
Priority to JP2001317117A priority Critical patent/JP3773038B2/ja
Priority claimed from JP2001317117A external-priority patent/JP3773038B2/ja
Publication of JP2003125392A publication Critical patent/JP2003125392A/ja
Publication of JP2003125392A5 publication Critical patent/JP2003125392A5/ja
Application granted granted Critical
Publication of JP3773038B2 publication Critical patent/JP3773038B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Claims (1)

  1. カメラ付子機(1)と、前記カメラ付子機にて撮像された映像を出画するためのモニタ(22)を有し前記カメラ付子機と通話するための室内機(2)とで構成され、
    前記室内機は、商用電源より直流電源を生成するためのスイッチングレギュレータ(24)と、前記直流電源を前記室内機で使用する電圧に降圧するための電圧変換回路(25)と、前記電圧変換回路からの出力における異常電圧を検出して前記スイッチングレギュレータの出力電圧を低下させるための電圧制御回路(26)とを備えたことを特徴とするテレビドアホン装置。
JP2001317117A 2001-10-15 2001-10-15 テレビドアホン装置 Expired - Fee Related JP3773038B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2001317117A JP3773038B2 (ja) 2001-10-15 2001-10-15 テレビドアホン装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001317117A JP3773038B2 (ja) 2001-10-15 2001-10-15 テレビドアホン装置

Publications (3)

Publication Number Publication Date
JP2003125392A JP2003125392A (ja) 2003-04-25
JP2003125392A5 true JP2003125392A5 (ja) 2005-04-07
JP3773038B2 JP3773038B2 (ja) 2006-05-10

Family

ID=19135038

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001317117A Expired - Fee Related JP3773038B2 (ja) 2001-10-15 2001-10-15 テレビドアホン装置

Country Status (1)

Country Link
JP (1) JP3773038B2 (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4515431B2 (ja) * 2006-10-05 2010-07-28 ココム株式会社 4線方式のビデオ・フォーン

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