TW376616B - Television interphone system - Google Patents

Television interphone system

Info

Publication number
TW376616B
TW376616B TW087108087A TW87108087A TW376616B TW 376616 B TW376616 B TW 376616B TW 087108087 A TW087108087 A TW 087108087A TW 87108087 A TW87108087 A TW 87108087A TW 376616 B TW376616 B TW 376616B
Authority
TW
Taiwan
Prior art keywords
visitor
interphone system
television interphone
aspect ratio
visual field
Prior art date
Application number
TW087108087A
Other languages
English (en)
Inventor
Kenichi Ohta
Seiichi Ogawa
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of TW376616B publication Critical patent/TW376616B/zh

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
    • H04N7/183—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a single remote source
    • H04N7/186—Video door telephones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/08—Telephonic communication systems specially adapted for combination with other electrical systems specially adapted for optional reception of entertainment or informative matter
    • H04M11/085—Telephonic communication systems specially adapted for combination with other electrical systems specially adapted for optional reception of entertainment or informative matter using a television receiver, e.g. viewdata system
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/14—Systems for two-way working
    • H04N7/141—Systems for two-way working between two video terminals, e.g. videophone

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Closed-Circuit Television Systems (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
  • Telephone Set Structure (AREA)
  • Telephone Function (AREA)
TW087108087A 1997-05-29 1998-05-25 Television interphone system TW376616B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9140189A JPH10336633A (ja) 1997-05-29 1997-05-29 テレビインターホンシステム

Publications (1)

Publication Number Publication Date
TW376616B true TW376616B (en) 1999-12-11

Family

ID=15262987

Family Applications (1)

Application Number Title Priority Date Filing Date
TW087108087A TW376616B (en) 1997-05-29 1998-05-25 Television interphone system

Country Status (5)

Country Link
JP (1) JPH10336633A (zh)
KR (1) KR100495633B1 (zh)
CN (1) CN1124743C (zh)
IT (1) IT1299481B1 (zh)
TW (1) TW376616B (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102368820A (zh) * 2011-10-27 2012-03-07 东莞中山大学研究院 一种基于数字电视的可视对讲系统
JP6308673B2 (ja) 2014-10-09 2018-04-11 富士フイルム株式会社 電子内視鏡用の画像処理装置及び電子内視鏡システム

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5909258A (en) * 1995-05-31 1999-06-01 Sony Corporation Cathode ray tube display and television set having the same

Also Published As

Publication number Publication date
IT1299481B1 (it) 2000-03-16
ITRM980338A0 (it) 1998-05-27
CN1124743C (zh) 2003-10-15
KR19980087368A (ko) 1998-12-05
KR100495633B1 (ko) 2005-09-15
JPH10336633A (ja) 1998-12-18
ITRM980338A1 (it) 1999-11-29
CN1201328A (zh) 1998-12-09

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