KR900015555A - 정지화상 텔레비젼 전화 전송장치 - Google Patents

정지화상 텔레비젼 전화 전송장치

Info

Publication number: KR900015555A
Authority: KR; South Korea
Prior art keywords: still image; telephone transmitter; telephone; transmitter; image
Prior art date: 1989-03-30

Application number

KR1019900004169A

Other languages

English (en)

Other versions

KR930004825B1 (ko

Inventor

다까요시 세마사

유따까 우에노

Original Assignee

미쯔비시덴끼 가부시끼가이샤

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.)

1989-03-30

Filing date

1990-03-28

Publication date

1990-10-27

1990-03-28 Application filed by 미쯔비시덴끼 가부시끼가이샤 filed Critical 미쯔비시덴끼 가부시끼가이샤

1990-10-27 Publication of KR900015555A publication Critical patent/KR900015555A/ko

1993-06-08 Application granted granted Critical

1993-06-08 Publication of KR930004825B1 publication Critical patent/KR930004825B1/ko

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
- 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
- H04N7/147—Communication arrangements, e.g. identifying the communication as a video-communication, intermediate storage of the signals
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
- H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
- H04M11/062—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors using different frequency bands for speech and other data
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/12—Systems in which the television signal is transmitted via one channel or a plurality of parallel channels, the bandwidth of each channel being less than the bandwidth of the television signal
- 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)
Multimedia (AREA)
Computer Networks & Wireless Communication (AREA)
Telephonic Communication Services (AREA)
Closed-Circuit Television Systems (AREA)
Reduction Or Emphasis Of Bandwidth Of Signals (AREA)

KR1019900004169A 1989-03-30 1990-03-28 정지화상 텔레비젼 전화 전송장치 KR930004825B1 (ko)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP1079676A JPH02257783A (ja)	1989-03-30	1989-03-30	静止画テレビ電話伝送方式
JP89-79676		1989-03-30

Publications (2)

Publication Number	Publication Date
KR900015555A true KR900015555A (ko)	1990-10-27
KR930004825B1 KR930004825B1 (ko)	1993-06-08

Family

ID=13696802

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
KR1019900004169A KR930004825B1 (ko)	1989-03-30	1990-03-28	정지화상 텔레비젼 전화 전송장치

Country Status (5)

Country	Link
US (1)	US5063587A (ko)
EP (1)	EP0390170B1 (ko)
JP (1)	JPH02257783A (ko)
KR (1)	KR930004825B1 (ko)
DE (1)	DE69022268T2 (ko)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5677728A (en) *	1982-02-24	1997-10-14	Schoolman Scientific Corporation	Stereoscopic video telecommunication system
EP0458523B1 (en) *	1990-05-22	1997-04-16	Lg Electronics Inc.	A method and apparatus for transmitting/receiving signals in a video phone
US5250940A (en) *	1991-01-18	1993-10-05	National Semiconductor Corporation	Multi-mode home terminal system that utilizes a single embedded general purpose/DSP processor and a single random access memory
DE69230481T2 (de) *	1991-01-22	2000-05-18	Canon K.K., Tokio/Tokyo	Multimedienübertragungsanordnung
US5638422A (en) *	1992-01-15	1997-06-10	General Instrument Corp.	Distributed antenna personal communication networks system
JP3290231B2 (ja) *	1993-03-02	2002-06-10	株式会社日立製作所	音声画像通信装置
US5592538A (en) *	1993-03-10	1997-01-07	Momentum, Inc.	Telecommunication device and method for interactive voice and data
US5502727A (en) *	1993-04-20	1996-03-26	At&T Corp.	Image and audio communication system having graphical annotation capability
US5339346A (en) *	1993-05-20	1994-08-16	At&T Bell Laboratories	Device fabrication entailing plasma-derived x-ray delineation
US5594726A (en) *	1993-09-17	1997-01-14	Scientific-Atlanta, Inc.	Frequency agile broadband communications system
US5499241A (en) *	1993-09-17	1996-03-12	Scientific-Atlanta, Inc.	Broadband communications system
US5581555A (en) *	1993-09-17	1996-12-03	Scientific-Atlanta, Inc.	Reverse path allocation and contention resolution scheme for a broadband communications system
GB9323223D0 (en) *	1993-11-10	1994-01-05	Visual Technologies Ltd	Voice and image telecommunications apparatus
DE4415167A1 (de) *	1994-04-29	1995-11-02	Siemens Ag	Telekommunikationsanordnung zum Übertragen von Bildern
JPH07336470A (ja) *	1994-06-03	1995-12-22	Canon Inc	通信装置
US5606365A (en) *	1995-03-28	1997-02-25	Eastman Kodak Company	Interactive camera for network processing of captured images
KR0179979B1 (ko)	1995-10-13	1999-05-01	김광호	정보텔레비젼의 문자 표시장치
EP0814611B1 (de) *	1996-06-17	2002-08-28	Siemens Aktiengesellschaft	Kommunikationssystem und Verfahren zur Aufnahme und Verwaltung digitaler Bilder
US6625166B2 (en)	1996-11-15	2003-09-23	Canon Kabushiki Kaisha	Communication system for communicating a plurality of time-division multiplexed data, and control method therefor
JP3258615B2 (ja) *	1996-11-15	2002-02-18	キヤノン株式会社	通信システムおよびその制御方法
KR200172315Y1 (ko) *	1997-03-26	2000-04-01	김기일	비상 경보 및 음성과 영상 획득 기능을 가진 휴대폰
US7321783B2 (en)	1997-04-25	2008-01-22	Minerva Industries, Inc.	Mobile entertainment and communication device
US6111595A (en) *	1997-08-22	2000-08-29	Northern Information Technology	Rapid update video link
US6608972B1 (en) *	1998-06-04	2003-08-19	Jerome H. Lemelson	Play and record audio system embedded inside a photograph
US6895557B1 (en)	1999-07-21	2005-05-17	Ipix Corporation	Web-based media submission tool
US6732162B1 (en)	1999-11-15	2004-05-04	Internet Pictures Corporation	Method of providing preprocessed images for a plurality of internet web sites
US6895594B1 (en) *	2000-10-18	2005-05-17	Michael J. Simoes	Switch matrix packaging for high availability
KR100556861B1 (ko) *	2003-06-24	2006-03-10	엘지전자 주식회사	휴대 단말기 영상 통화 중 선택적 영상 전송 방법

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3517117A (en) *	1968-01-24	1970-06-23	Southern Pacific Transport Co	Bandwidth reduction coding technique
US4258387A (en) *	1979-10-17	1981-03-24	Lemelson Jerome H	Video telephone
US4485400A (en) *	1981-01-13	1984-11-27	Lemelson Jerome H	Video telephone
IL78972A (en) *	1985-06-14	1991-04-15	Mitsubishi Electric Sales Amer	Video optimized modulator-demodulator
US4739413A (en) *	1985-06-14	1988-04-19	Luma Telecom, Inc.	Video-optimized modulator-demodulator with adjacent modulating amplitudes matched to adjacent pixel gray values
US4715059A (en) *	1985-11-07	1987-12-22	Luma Telecom, Inc.	Conversational video phone
EP0244260B1 (en) *	1986-04-30	1993-08-11	Sharp Kabushiki Kaisha	Method and system for multiplex transmission of an audio signal and a video signal through a communication cable
JPS644185A (en) *	1987-06-26	1989-01-09	Sony Corp	Transmitter for still picture
US4918718A (en) *	1988-06-28	1990-04-17	Luma Telecom, Inc.	Quadrature amplitude modulation with line synchronization pulse for video telephone
US4849811A (en) *	1988-07-06	1989-07-18	Ben Kleinerman	Simultaneous audio and video transmission with restricted bandwidth

1989
- 1989-03-30 JP JP1079676A patent/JPH02257783A/ja active Pending
1990
- 1990-03-28 KR KR1019900004169A patent/KR930004825B1/ko not_active IP Right Cessation
- 1990-03-29 EP EP90106069A patent/EP0390170B1/en not_active Expired - Lifetime
- 1990-03-29 US US07/500,890 patent/US5063587A/en not_active Expired - Fee Related
- 1990-03-29 DE DE69022268T patent/DE69022268T2/de not_active Expired - Fee Related

Also Published As

Publication number	Publication date
EP0390170A3 (en)	1992-07-01
EP0390170B1 (en)	1995-09-13
KR930004825B1 (ko)	1993-06-08
EP0390170A2 (en)	1990-10-03
US5063587A (en)	1991-11-05
DE69022268T2 (de)	1996-02-08
JPH02257783A (ja)	1990-10-18
DE69022268D1 (de)	1995-10-19

Publication	Publication Date	Title
KR900015555A (ko)	1990-10-27	정지화상 텔레비젼 전화 전송장치
DE69223113D1 (de)	1997-12-18	Fernsehempfänger
DE69026729D1 (de)	1996-06-05	Bildübertragungsvorrichtung
DE68926249D1 (de)	1996-05-15	Fernsehempfänger
PT99936A (pt)	1994-01-31	Receptor de televisao
EP0451696A3 (en)	1992-07-15	Video phone unit
DE69120861D1 (de)	1996-08-22	Fernsehgerät
DE69126403D1 (de)	1997-07-10	Farbbildübertragungsgerät
DE69123615D1 (de)	1997-01-30	Bildübertragungsgerät
PT98536A (pt)	1993-09-30	Receptor de televisao
DE69124279D1 (de)	1997-03-06	Farbbildübertragungsgerät
DE69329918D1 (de)	2001-03-15	Fernsehempfänger
DE69314191D1 (de)	1997-11-06	Fernsehempfänger
DE69227879D1 (de)	1999-01-28	Stehbildübertragungssystem
DE69320998D1 (de)	1998-10-22	Fernsehempfänger
DE69122327D1 (de)	1996-10-31	Fernsehempfänger
DE69033877D1 (de)	2002-01-24	Standbild-Videofernsprecher-Übertragungssystem
DE68927700D1 (de)	1997-03-06	Fernsehempfänger
DE69217627D1 (de)	1997-04-03	Fernsehempfänger
DE69125515D1 (de)	1997-05-15	Bildübertragungsgerät
EP0456248A3 (en)	1993-04-28	Video phone
DE69111973D1 (de)	1995-09-14	Fernsehempfänger.
EP0434286A3 (en)	1992-06-03	Image communication device
DE69016897D1 (de)	1995-03-23	Verbesserter Fernsehempfänger.
DE69115988D1 (de)	1996-02-15	Fernsehempfänger

Legal Events

Date	Code	Title	Description
1990-03-28	A201	Request for examination
1990-03-28	PA0109	Patent application	Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19900328
1990-03-28	PA0201	Request for examination	Patent event code: PA02012R01D Patent event date: 19900328 Comment text: Request for Examination of Application
1990-10-27	PG1501	Laying open of application
1993-02-26	E902	Notification of reason for refusal
1993-02-26	PE0902	Notice of grounds for rejection	Comment text: Notification of reason for refusal Patent event date: 19930226 Patent event code: PE09021S01D
1993-05-14	G160	Decision to publish patent application
1993-06-08	PG1605	Publication of application before grant of patent	Comment text: Decision on Publication of Application Patent event code: PG16051S01I Patent event date: 19930514
1993-08-28	E701	Decision to grant or registration of patent right
1993-08-28	PE0701	Decision of registration	Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 19930828
1993-09-22	GRNT	Written decision to grant
1993-09-22	PR0701	Registration of establishment	Comment text: Registration of Establishment Patent event date: 19930922 Patent event code: PR07011E01D
1993-09-22	PR1002	Payment of registration fee	Payment date: 19930922 End annual number: 3 Start annual number: 1
1996-06-09	LAPS	Lapse due to unpaid annual fee
1996-06-09	PC1903	Unpaid annual fee