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AssigneeSharp Kabushiki Kaisha
InventorsAkio Ohta, Michiharu Nishihara
Estimating the term…
An apparatus for superimposing an image represented in a predetermined dot arrangement on a video signal. The apparatus includes an inputting device, a memory, a storage block selecting device and a signal switching circuit. The memory has an arrangement of a plurality of storage blocks, each of which includes an arrangement of a plurality of unit storage cells each for storing one bit. The inputting device inputs externally prepared binary signals. The storage block selecting device selects a predetermined storage block for every inputted bit information. All the unit storage cells in the selected storage block store the inputted bit information. The signal switching device sequentially reads the contents stored in each unit storage cell in synchronization with a video signal, switches the video signal and a predetermined superimposing video signal to each other in accordance with the contents and outputs the same. As a result, each dot represented by a plurality of dots in the reproduced video signal after being superimposed. The signal represented by the inputted binary information is reproduced on a picture frame as an expanded image.
A superimposing apparatus for superimposing a predetermined image signal on a video signal to form a superimposing video signal, comprising:
Dependencies are inferred from the claim text.