[특허]Image and audio communication system having graphical annotation capability

Image and audio communication system having graphical annotation capability 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H04M-011/00
출원번호	US-0049727 (1993-04-20)
발명자 / 주소	Catanzaro Anthony J. (Jackson NJ) Dzik Steven C. (Somerset NJ) Hull Charles (Wall NJ) Pratap Mahendra (Cliffwood Beach NJ) Prestinario Jerome (Bridgewater NJ) Ranganath Minakanagurki V. (Lincroft NJ)
출원인 / 주소	AT&T Corp. (Murray Hill NJ 02)
인용정보	피인용 횟수 : 75 인용 특허 : 0

초록 ▼

A telephone apparatus enables the approximate simultaneous transmission and reception of audio interleaved with image and graphical annotation signals, in data packet form, over an analog line which connects the apparatus to a switched telephone network. The audio data packets are transmitted at a periodic rate, during a first time interval, and the image and annotation data packets are transmitted during a second time interval, following the first time interval, enabling the simultaneous output of voice, image and annotation data at the receiver site. Control data packets, as needed, are also transmitted during the second time interval for end-to-end apparatus control. One feature enables the transmission of audio data packets at a first periodic rate, when in an image transmission mode, and at a second periodic rate, faster than the first periodic rate, when not in the image transmission mode.

대표청구항 ▼

A telephone apparatus comprising means for acquiring an audio signal, image signal and graphical annotation signal, first means for encoding said acquired audio signal into a group of digital audio signals for periodic transmission at a first periodic rate over an analog line connected to said apparatus, second means for encoding said acquired image signal, as a group of digital image signals, and for encoding said acquired annotation signal, as a group of digital annotation signals, and for transmitting said digital image signals and digital annotation signals interleaved with said digital audio signals over said analog line such that the digital audio signals are transmitted in synchronization, within a predetermined tolerance, with the digital image signals and digital annotation signals, and wherein said digital audio signals are transmitted during a first time interval and wherein said digital image signals and digital annotation signals are transmitted during a second time interval following said first time interval.

이 특허를 인용한 특허 (75)

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
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저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
안내	총 건의 자료가 검색되었습니다. 다운받으실 자료의 인덱스를 입력하세요. (1-10,000) 검색결과의 순서대로 최대 10,000건 까지 다운로드가 가능합니다. 데이타가 많을 경우 속도가 느려질 수 있습니다.(최대 2~3분 소요) 다운로드 파일은 UTF-8 형태로 저장됩니다. 파일의 내용이 제대로 보이지 않을실 때는 웹브라우저 상단의 보기 -> 인코딩 -> 자동선택 여부를 확인하십시오. ~ Text(ASCII format) Excel format

연합인증

Image and audio communication system having graphical annotation capability 원문보기

초록 ▼

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연합인증

Image and audio communication system having graphical annotation capability 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

전체(0) 논문(0) 특허(0) 보고서(0)

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이 특허를 인용한 특허 (75)

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