[특허]Video computational shared drawing space

Video computational shared drawing space 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H04N-007/18
출원번호	US-0633900 (1990-12-26)
발명자 / 주소	Tang John C. (Palo Alto CA) Minneman Scott L. (San Francisco CA) Bly Sara A. (Mountain View CA) Harrison Steve R. (Portola Valley CA)
출원인 / 주소	Xerox Corporation (Stamford CT 02)
인용정보	피인용 횟수 : 150 인용 특허 : 0

초록 ▼

The present invention comprises a display unit (10) which displays a composite image (38); a stylus (24) which is used to “write”on the composite image (38); a way of detecting (20) the position of the stylus (24) over the composite image (38); a video camera (12) mounted a short distance away from the video display (11) and aimed at the composite image (38); a light (23) which provides uniform illumination to the composite image (38); a mechanism for preventing video feedback (26); and a computer (22). A special configuration of cables (16, 28, 30, 32, 34) is used to interconnect the display (10), the stylus (24), the position detector (20), the video camera (12) and the computer (22). Two or more workstations (11) can be electrically connected to each other via cables (34) or over a network (76). Many variations of this invention can be created by connecting other components into the computer network (76). Various combinations of video mixers (39) and video buses (78) can be utilized instead of directly connecting the video cameras (12) to the computers (22) with cables (16). Three dimensional effects can be created by employing a second video camera (112), adjacent to the first (12), in combination with a pair of shuttering spectacles (102). Images of additional objects (98) can be provided by extra cameras (70) electrically connected in several different ways to the network. To enhance communication between operators (25) separated by large distances, microphones (74), loudspeakers (72), auxiliary cameras (70) and auxiliary video displays (66) can be provided at each workstation (11). Large scale versions of this invention can be constructed. In large scale versions the video display unit (10) is replaced with a large screen (88) and a video projector (90).

대표청구항 ▼

An apparatus comprising: a large screen means (88) for displaying a composite image (38); said large screen means (88) having a front (87) and a rear (89); a video projection means (90) for projecting; said video projection means (90) mounted so as to project said composite image (38) onto said rear (89) of said large screen means (88); a sensing means (20) for detecting position; said sensing means (20) being mounted adjacent to said large screen means (88); a stylus means (24) for indicating position to said sensing means (20); said stylus means (24), being controlled by an operators hands (29); a video camera means (12) for imaging; said video camera means (12) being mounted a short distance away from said large screen means (88) and aimed at said composite image (38); a control means (15 and 19, 39, 42) for controlling video feedback; said control means (15 and 19, 39, 42) being mounted between said large screen means (88) and said video camera means (12); a microphone means (74) for transmitting voice messages; said microphone means (74) being in close proximity to said large screen means (88); a loudspeaker means (72) for receiving voice messages; said loudspeaker means (72 being in close proximity to said large screen means (88); a computing means (22) for controlling said composite display (38); said computing means (22) being electrically connected to said video camera means (12), said sensing means (20), and said video projection means (88); and a communication cable means (34) for interconnecting said computing means (22); said communication cable means (34) being electrically connected to said computing means (22); said control means (15 and 19, 39, 42) preventing said video camera means (12) from imaging said composite image (38); said computing means (22) being able to produce said composite image (38) in response to motions of said stylus means (24) as detected by said sensing means (20), and in response to motions of an operator\s hands (29), when held near said composite image (38) as detected by said video camera means (12).

이 특허를 인용한 특허 (150)

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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
구성항목	기본정보 상세정보 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표IPC 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 공고번호, 공고일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표출원인, 출원인국적, 출원인주소, 발명자, 발명자E, 발명자코드, 발명자주소, 발명자 우편번호, 발명자국적, 대표IPC, IPC코드, 요약, 미국특허분류, 대리인주소, 대리인코드, 대리인(한글), 대리인(영문), 국제공개일자, 국제공개번호, 국제출원일자, 국제출원번호, 우선권, 우선권주장일, 우선권국가, 우선권출원번호, 원출원일자, 원출원번호, 지정국, Citing Patents, Cited Patents
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

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Video computational shared drawing space 원문보기

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Video computational shared drawing space 원문보기

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