Hitachi, Ltd.

Maxell, Ltd.

Tamotsu Nagabayashi

Kouji Kitou

Ikuya Arai

Sadao Tsuruga

Fumio Inoue

Ryuuichi Someya

Yasuhiro Imai

Tsuyoshi Sano

Masatoshi Hirose

Kouzou Masuda

Jiro Kawasaki

Akihiko Kandori

Kenji Katsumata

Yuko Sano

Kazuhiro Kaizaki

Takumi Okamura

Tomohiko Mizuguchi

Kanako Esaki

Tomochika Yamashita

Yasushi Saito

Shinya Katsuki

A brain dysfunction assessment device () comprises: a body movement indicator () which presents a body movement to be performed to a subject with a body movement presentation device (); a body movement data acquisition unit () which acquires the subject's body movement data with a body movement detection sensor (); a body movement accuracy calculation unit () which calculates a positional accuracy and a time sequence accuracy of the subject's body movement from the acquired body movement data; and a cognitive dysfunction assessment unit () which assesses the level of cognitive dysfunction of the subject by comparing a value which indicates the accuracy of the subject's body movement that is obtained from the calculated positional accuracy and time sequence accuracy with statistical data which indicates the accuracy of body movement of healthy individuals.

Brain dysfunction assessment method, brain dysfunction assessment device, and program thereof

An image display system includes a display device, an input section to which video signals of an interlace scanning system are inputted, a signal converter section which increases horizontal scanning lines of the inputted video signals in number by a factor of at least two, and which generates first and second fields, each of the fields including effective scanning lines used for displaying and ineffective scanning lines not used for displaying, with the effective and ineffective scanning lines being arranged alternately in each of the fields, and a display control section which controls the display device to display the first and second fields alternately. The display control section controls the display device such that positions of the effective scanning lines of the first fields correspond with those of the ineffective scanning lines of the second fields, and vice versa.

Image display system

An image display system includes a memory for storing at least one scanning line of an inputted video signal of the interlace scanning system, and reading means for repeating to read the video signal of one scanning line from the memory at a speed which is n (n is an integer of 2 or more) times of the writing speed of the video signal for the memory for a horizontal scanning period which is 1/n of the writing period and to stop reading for a horizontal scanning period of the remaining (n&minus;1)/n for each scanning line of one field which is sequentially inputted and reading each scanning line so that the continuous fields interpolate the period of stopping of reading from the memory each other.

An image display system includes a display circuit which displays an image composed of a plurality of sub-images, an input circuit which inputs a certain image signal including at least one sub-image embedded in the certain image signal which is provided by at least one of fields and frames, a designating circuit which designates timings of composition positions of the sub-image on scan lines of the certain image, and one control circuit which controls at least one of an amplitude level and a DC level of image signals corresponding to an area of the sub-image detected by the timing designated by the designating circuit.

Growing community of inventors

Yokohama, Japan

Tamotsu Nagabayashi