최소 단어 이상 선택하여야 합니다.
최대 10 단어까지만 선택 가능합니다.
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
DataON 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Edison 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0690111 (1991-04-23) |
발명자 / 주소 |
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출원인 / 주소 |
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인용정보 | 피인용 횟수 : 435 인용 특허 : 0 |
Data are added invisibly to the active video component of a television signal by a modulated carrier. The data, upon recovery, may be used for numerous purposes, including network signaling, data transmission, program identification, remote machine control, broadcast verification, and signal quality
Data are added invisibly to the active video component of a television signal by a modulated carrier. The data, upon recovery, may be used for numerous purposes, including network signaling, data transmission, program identification, remote machine control, broadcast verification, and signal quality detection and measurement.
A method of processing data with a television signal having an active video component and a timing component for lines of a picture to be displayed on a viewing area of a television receiver, comprising the steps of: (a) generating a carrier signal in timed relation to the timing component of the te
A method of processing data with a television signal having an active video component and a timing component for lines of a picture to be displayed on a viewing area of a television receiver, comprising the steps of: (a) generating a carrier signal in timed relation to the timing component of the television signal; (b) generating a data signal indicative of the data to be processed; (c) modulating the carrier signal and the data signal in timed relation to the timing component of the television signal to form a data-modulated signal having a low amplitude in a range from 0.1 to 2.5 IRE; (d) adding the data-modulated signal to the active video component of the television signal to form an encoded composite signal on a plurality of lines of the picture; and (e) transmitting the encoded composite signal to the receiver for displaying the picture on the viewing area, said data-modulated signal on said plurality of lines of the picture being substantially invisible to a viewer of the picture due to said low amplitude.
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