FR2616989B1 - Visiophone - Google Patents

Visiophone

Info

Publication number
FR2616989B1
FR2616989B1 FR8808153A FR8808153A FR2616989B1 FR 2616989 B1 FR2616989 B1 FR 2616989B1 FR 8808153 A FR8808153 A FR 8808153A FR 8808153 A FR8808153 A FR 8808153A FR 2616989 B1 FR2616989 B1 FR 2616989B1
Authority
FR
France
Prior art keywords
visiophone
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
FR8808153A
Other languages
English (en)
Other versions
FR2616989A1 (fr
Inventor
Takeuchi Kenichi
Saito Shin
Shoji
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.)
Nippon Telegraph and Telephone Corp
Sony Corp
Original Assignee
Nippon Telegraph and Telephone Corp
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 Nippon Telegraph and Telephone Corp, Sony Corp filed Critical Nippon Telegraph and Telephone Corp
Publication of FR2616989A1 publication Critical patent/FR2616989A1/fr
Application granted granted Critical
Publication of FR2616989B1 publication Critical patent/FR2616989B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • 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
    • H04N7/148—Interfacing a video terminal to a particular transmission medium, e.g. ISDN

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Telephonic Communication Services (AREA)
  • Closed-Circuit Television Systems (AREA)
FR8808153A 1987-06-19 1988-06-17 Visiophone Expired - Fee Related FR2616989B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62152633A JP2642931B2 (ja) 1987-06-19 1987-06-19 テレビ電話装置

Publications (2)

Publication Number Publication Date
FR2616989A1 FR2616989A1 (fr) 1988-12-23
FR2616989B1 true FR2616989B1 (fr) 1995-03-17

Family

ID=15544656

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8808153A Expired - Fee Related FR2616989B1 (fr) 1987-06-19 1988-06-17 Visiophone

Country Status (7)

Country Link
US (1) US4881253A (fr)
JP (1) JP2642931B2 (fr)
KR (1) KR960013696B1 (fr)
AT (1) AT399795B (fr)
DE (1) DE3820586C2 (fr)
FR (1) FR2616989B1 (fr)
GB (1) GB2206767B (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0714189B2 (ja) * 1988-02-17 1995-02-15 三菱電機株式会社 静止画像伝送装置
US5230015A (en) * 1989-06-15 1993-07-20 Mitsubishi Denki Kabushiki Kaisha Method and apparatus for static video telephone transmission/receiving
US5199061A (en) * 1989-09-06 1993-03-30 Electronics And Telecommunications Research Institute Communication method and equipment for freeze-frame video phone
GB2267625B (en) * 1992-05-20 1996-08-21 Northern Telecom Ltd Video services
US5612732A (en) * 1993-03-31 1997-03-18 Casio Computer Co., Ltd. Portable compact imaging and displaying apparatus with rotatable camera
US5528285A (en) * 1993-04-30 1996-06-18 Casio Computer Co., Ltd. TV telephone system which sends and receives image data to another TV telephone system and having power supply and image display control
FR2722356B1 (fr) * 1994-07-05 1996-08-14 Guenin Jean Pierre Terminal de communication audiovisuelle de type visiophone
US5949474A (en) * 1997-12-31 1999-09-07 At&T Corp Videophone blocker
USD415148S (en) * 1999-01-27 1999-10-12 Compal Electronics Inc. Display of video phone

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7016627A (fr) * 1970-11-13 1972-05-16
JPS5017289U (fr) * 1973-06-11 1975-02-24
JPS5028126A (fr) * 1973-07-16 1975-03-22
JPS5615625B2 (fr) * 1974-01-24 1981-04-11
US4099202A (en) * 1977-05-02 1978-07-04 Robot Research, Inc. Multiplexed communication of voice signals and slow scan television signals over a common communication channel
JPS55121774A (en) * 1979-03-15 1980-09-19 Fujitsu Ltd Telephone communication system
US4485400A (en) * 1981-01-13 1984-11-27 Lemelson Jerome H Video telephone
JPS6053371A (ja) * 1983-09-02 1985-03-27 Hashimoto Corp 不在中に動作するフアクシミリ装置
ATE33741T1 (de) * 1983-02-10 1988-05-15 Krone Ag Verfahren und vorrichtung zur signalisierung zwischen bildfernsprechapparaten bei einer bestehenden fernsprechverbindung.
JPS61148951A (ja) * 1984-12-21 1986-07-07 Toshiba Corp フアクシミリ装置
JPS61219262A (ja) * 1985-03-25 1986-09-29 Nec Corp フアクシミリ通信方式
US4715059A (en) * 1985-11-07 1987-12-22 Luma Telecom, Inc. Conversational video phone
JPS62116077A (ja) * 1985-11-15 1987-05-27 Fujitsu Ltd フアクシミリ制御方式

Also Published As

Publication number Publication date
KR890001344A (ko) 1989-03-20
JP2642931B2 (ja) 1997-08-20
DE3820586A1 (de) 1988-12-29
US4881253A (en) 1989-11-14
AT399795B (de) 1995-07-25
GB2206767B (en) 1991-05-08
ATA157488A (de) 1994-11-15
GB8814469D0 (en) 1988-07-20
FR2616989A1 (fr) 1988-12-23
GB2206767A (en) 1989-01-11
JPS63316983A (ja) 1988-12-26
KR960013696B1 (ko) 1996-10-10
DE3820586C2 (de) 2000-12-21

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Legal Events

Date Code Title Description
ST Notification of lapse