CN1124743C - 电视对讲电话系统 - Google Patents

电视对讲电话系统 Download PDF

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Publication number
CN1124743C
CN1124743C CN98109509A CN98109509A CN1124743C CN 1124743 C CN1124743 C CN 1124743C CN 98109509 A CN98109509 A CN 98109509A CN 98109509 A CN98109509 A CN 98109509A CN 1124743 C CN1124743 C CN 1124743C
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CN
China
Prior art keywords
image
aspect ratio
unit
ratio
height
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
CN98109509A
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English (en)
Chinese (zh)
Other versions
CN1201328A (zh
Inventor
太田贤一
小川诚一
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.)
Sony Corp
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
Publication of CN1201328A publication Critical patent/CN1201328A/zh
Application granted granted Critical
Publication of CN1124743C publication Critical patent/CN1124743C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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)
CN98109509A 1997-05-29 1998-05-29 电视对讲电话系统 Expired - Fee Related CN1124743C (zh)

Applications Claiming Priority (3)

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
JP140189/97 1997-05-29
JP140189/1997 1997-05-29

Publications (2)

Publication Number Publication Date
CN1201328A CN1201328A (zh) 1998-12-09
CN1124743C true CN1124743C (zh) 2003-10-15

Family

ID=15262987

Family Applications (1)

Application Number Title Priority Date Filing Date
CN98109509A Expired - Fee Related CN1124743C (zh) 1997-05-29 1998-05-29 电视对讲电话系统

Country Status (5)

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

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
KR19980087368A (ko) 1998-12-05
CN1201328A (zh) 1998-12-09
JPH10336633A (ja) 1998-12-18
ITRM980338A0 (it) 1998-05-27
KR100495633B1 (ko) 2005-09-15
IT1299481B1 (it) 2000-03-16
TW376616B (en) 1999-12-11
ITRM980338A1 (it) 1999-11-29

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PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee