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AssigneesNippon Television Network Corporation, Kabushiki Kaishi Toshiba
InventorsYoshio Sugimori, Yoshihide Kimata, Seijiro Yasuki, Yoshihiko Ogawa, Kiyoyuki Kawai
Estimating the term…
A wide aspect signal is band-width limited in the vertical spatial frequency by a V-LPF. The wide aspect signal is band-width limited along the temporal spatial frequency and in the vertical and horizontal spatial frequency by a 1/60-sec delay unit, an adder, 1 1/60-sec delay unit, a selector, a V-LPF, and an H-LPF. A motion image signal can be obtained by an adder. A still image signal can be obtained by the selector. The motion and still image signals are mixed by a mixer in accordance with an image motion amount. An output from the substractor is processed by a vertical shifter, an H-LPF, and a 6.fwdarw.5 converter to provide a still image compensation signal Vh. A signal from the V-LPF is compressed in the vertical direction by a 6.fwdarw.5 converter so as to be a center portion signal which can be displayed as an image with the receiver of the existing television system, and supplied to a selector. An output signal from the 6.fwdarw.5 converter is processed by an LD generator to generate a motion image compensation signal (LD signal). The LD and Vh signals are selectively output from a mixer in accordance with the image motion. A compensation signal output from the mixer is processed by an H-LPF, a 1/5-time compressor, and a rearranging unit, so that it can be multiplexed on upper and lower black bar portions formed on upper and lower portions of the center panel, and supplied to the selector.
A multiplexed signal transmitting apparatus for converting a first image signal for a screen wider than a screen obtained by an existing television signal to a signal which can be reproduced by a receiver of an existing television system and transmitting the converted signal, comprising:
A multiplexed signal transmitting apparatus which, when compressing a first image signal used for a screen wider than that obtained by an existing television signal and having a band width of 30 Hz along the temporal spatial frequency and 480 TVL in the vertical direction, compresses the first image signal in the vertical direction and converts and transmits the compressed image signal such that, when the compressed image signal is reproduced by a receiver of an existing television system, upper and lower black bar portions and a center portion therebetween appear on a screen of the receiver of the existing television system and most of a pattern of the first image signal appears on the center portion, comprising:
A receiving apparatus for receiving a transmitted multiplexed signal obtained by converting a first image signal for a screen wider than a screen obtained by an existing television signal to a signal which can be reproduced by a receiver of an existing television system, comprising:
Dependencies are inferred from the claim text.