Tokyo Shibaura Denki Kabushiki Kaisha

Kabushiki Kaisha Toshiba

Yasushi Nakamura

Ko Ohtombe

Akihiro Nishito

Takashi Kondo

Kazuhiro Mori

Satoshi Kageyama

Shozo Abe

Susumu Yamakawa

With an audiovisual information presentation system, pictorial image data, drawn on paper sheets in advance and to be optically projected on a screen using an optical projector, is sequentially sensed by a TV camea. Speech corresponding to the image data is input through a microphone. A data storage unit stores the image data and corresponding audio data together with code data for identifying pairs of image and audio data. When a search mode is designated, a desired pair of image and audio data is automatically searched from the data storage unit under the control of a CPU, and is reproduced by electrical monitor display units and a loudspeaker unit independent of image display on the projection screen.

System for presenting audiovisual information to an audience

An X-ray generating apparatus for detecting an abnormality in paperlike material, wherein the paperlike material is irradiated by X-rays and the secondary X-ray from the paperlike material is detected and compared against an X-ray emission standard to detect the abnormality in the paperlike material.

Apparatus for detecting an abnormality in paperlike material

A currency note identification system comprises a line sensor generating a scanning signal corresponding to the printed pattern on a currency note, an adder for summing picture element signals in the scanning signal from the line sensor for each scanning line, and a detecting circuit for detecting the leading and trailing edges of a printed section of the currency note from the sum signal output of the adder. Printed pattern data for printed patterns at predetermined positions with respect to the leading and trailing edges detected by the detecting circuit are detected, and the similarity of the detected pattern data to standard pattern data is calculated by a calculator. The kind and/or genuineness of the currency note is determined from the similarity obtained from the calculator.

System for identifying currency note

An apparatus for identifying whether a sheet-like printed matter is true or false comprises means for detecting a plurality of positions of a moving sheet-like printed matter to produce a plurality of position signals, timing signal generating means for producing timing signals on the basis of the position signals, a reference light source for irradiating an information detecting area lying on the object moving path to detect the information of the sheet-like object, opto-electric converting means which produces an electric signal with an amplitude corresponding to an intensity of a reference light transmitted through or reflected from the printed matter when the object exists in the information detecting area and an electric signal with an amplitude corresponding to an intensity of reference light when the object does not exist in the information detecting area; integration means for integrating the electrical signal from the opto-electric converting means which integrates an electric signal from the opto-electric converting means during a first period defined by a timing signal from the timing signal generating means and integrates an electric output signal of the printed matter during the second period defined by the timing signal from the timing signal generating means, an operation means for operating a ratio of the integrated data of the reference light with integrated data of the printed data of the printed matter, and judging means which compares the operated data derived from the operation means with the data representing a true printed matter previously stored to judge whether the printed matter is true or not.

Growing community of inventors

Yokohama, Japan

Yasushi Nakamura