[특허]Electronic circuits for the graphical display of overlapping windows with transparency

Electronic circuits for the graphical display of overlapping windows with transparency 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G06F-009/38 G06F-003/153
출원번호	US-0403535 (1995-03-14)
발명자 / 주소	Blahut Donald E. (Holmdel NJ) Szurkowski Edward S. (Maplewood NJ)
출원인 / 주소	AT&T Corp. (Murray Hill NJ 02)
인용정보	피인용 횟수 : 95 인용 특허 : 0

초록 ▼

A method and apparatus for the coding and efficient display of overlapping windows with transparency. Each pixel within a window which is not to be displayed may be coded as a “transparent”pixel. The method identifies those pixels which have been coded as transparent and displays non-transparent pixels contained in windows of lower display priority in place of the transparent pixels contained in windows of higher display priority. A pixel coded as transparent may have associated with it an integer representative of the number of successive pixels in the window which are also transparent. A pixel may be coded as transparent by assigning to it a preselected data value which is distinct from values otherwise used to indicate, e.g., the color and/or intensity for each displayed pixel. The method and apparatus may include one or more windows which contain full motion video (i.e., television) images, each of which may also contain transparent pixels. A pixel also may be coded as a “translucent”pixel, whereby a combination of the translucent pixel and a non-translucent pixel contained in a window of lower display priority is displayed. The method may be used to efficiently recognize various conditions in the displayed image, including the collision of objects and the pointing of a displayed cursor to identified “hot spots.

대표청구항 ▼

An electronic circuit for generating a screen display, the screen display comprising a plurality of windows, the windows having been ordered in accordance with a predetermined display priority, each of said windows comprising a plurality of pixels, each pixel associated with a location in the screen display, the circuit comprising: a plurality of circuit means for detecting whether a corresponding one of said windows includes a pixel associated with a given location in the screen display; a plurality of transparency detector circuits, each transparency detector circuit electrically coupled to a corresponding one of said circuit means for detecting whether the corresponding window includes a pixel associated with the given location in the screen display, each of said transparency detector circuits operable to detect whether the pixel in the corresponding window associated with the given location in the screen display has been coded as a transparent pixel; a priority encoder circuit electrically coupled to each of said transparency detector circuits, wherein the priority encoder circuit generates a signal representing one of said windows, said represented window having a higher display priority than any other of said windows which includes a pixel associated with the given location in the screen display which has not been coded as a transparent pixel; and a signal generating means, electrically coupled to said priority encoder circuit, for generating a signal representing the pixel in the represented window associated with the given location in the screen display.

이 특허를 인용한 특허 (95)

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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

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연합인증

Electronic circuits for the graphical display of overlapping windows with transparency 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

이 특허를 인용한 특허 (95)

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Electronic circuits for the graphical display of overlapping windows with transparency 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

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