[특허]Apparatus and method for recording image signals to allow reproduction at more than one data rate

Apparatus and method for recording image signals to allow reproduction at more than one data rate 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H04N-005/76 H04N-005/783
출원번호	US-0783993 (1991-10-29)
우선권정보	JP-0308515 (1990-11-16)
발명자 / 주소	Takahashi Takao (Tokyo JPX) Kobayashi Hiroshi (Chiba JPX)
출원인 / 주소	Sony Corporation (Tokyo JPX 03)
인용정보	피인용 횟수 : 26 인용 특허 : 0

초록 ▼

Image signal recording apparatus and methods are provided for recording first and second image data on a record medium wherein the first image data are obtained through sampling of image signals at a first data rate and the second image data have a second data rate lower than the first data rate such that the second image data may be reproduced by apparatus operating at the second data rate. The second image data are formed from the first image data and recorded together with at least a portion of the first image data in predetermined areas of the recording medium. The portion of the first image data recorded on the recording medium is selected such that the first image data may be derived by reproducing apparatus operating at the first data rate from the second image data and the portion of the first image data. Area discriminating codes are recorded on the recording medium for identifying the predetermined areas in which the second image data and the portion of the first image data are recorded.

대표청구항 ▼

An apparatus for recording image data on a recording medium, comprising: image conversion means for converting an image into a first image data array consisting of a first plurality of data elements, and which represents said image; data forming means for forming a second image data array from the first image data array, said second image data array representing at least some of said image and consisting of a second plurality of data elements that has fewer data elements than said first plurality of data elements; data recording means for recording the second image data array and at least a portion of the first image data array in predetermined areas of said recording medium, said portion of the first image data array recorded on said recording medium and said second image data array together representing all of the first image data array; and area discriminating code recording means for recording respective area discriminating code data in said predetermined areas on said recording medium for identifying said predetermined areas in which said second image data array and said portion of the first image data array are recorded.

이 특허를 인용한 특허 (26)

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MacCormack David Ross ; Nunally Patrick O., Enhanced video data compression in intelligent video information management system.
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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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연합인증

Apparatus and method for recording image signals to allow reproduction at more than one data rate 원문보기

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Apparatus and method for recording image signals to allow reproduction at more than one data rate 원문보기

초록 ▼

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연구과제 타임라인

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이 특허를 인용한 특허 (26)

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