JPH01147580U - - Google Patents

Info

Publication number
JPH01147580U
JPH01147580U JP4295788U JP4295788U JPH01147580U JP H01147580 U JPH01147580 U JP H01147580U JP 4295788 U JP4295788 U JP 4295788U JP 4295788 U JP4295788 U JP 4295788U JP H01147580 U JPH01147580 U JP H01147580U
Authority
JP
Japan
Prior art keywords
signal
edge
television camera
video
edge signal
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.)
Pending
Application number
JP4295788U
Other languages
English (en)
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 filed Critical
Priority to JP4295788U priority Critical patent/JPH01147580U/ja
Publication of JPH01147580U publication Critical patent/JPH01147580U/ja
Pending legal-status Critical Current

Links

Description

【図面の簡単な説明】
図は本考案の実施例を示すブロツク線図である
。 図面中、1はテレビカメラ、2はエツジ検出器
、3は符号化回路である。

Claims (1)

    【実用新案登録請求の範囲】
  1. 焦点深度の浅いレンズを有するテレビカメラと
    、このテレビカメラの出力信号である映像信号の
    変化率の絶対値が所定値以上になつたとき、この
    ことを表わすエツジ信号を送出するエツジ検出器
    と、前記エツジ信号に制御されこのエツジ信号で
    区切られる範囲の特定の映像信号のみを送出する
    信号処理手段とを有することを特徴とするテレビ
    電話端末。
JP4295788U 1988-04-01 1988-04-01 Pending JPH01147580U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4295788U JPH01147580U (ja) 1988-04-01 1988-04-01

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4295788U JPH01147580U (ja) 1988-04-01 1988-04-01

Publications (1)

Publication Number Publication Date
JPH01147580U true JPH01147580U (ja) 1989-10-12

Family

ID=31269359

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4295788U Pending JPH01147580U (ja) 1988-04-01 1988-04-01

Country Status (1)

Country Link
JP (1) JPH01147580U (ja)

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