Other

Hitachi, Ltd.

Hitachi Consumer Electronics Co., Ltd.

Akira Kitazume

Hiroshi Aoki

Haruki Takata

Tsuguo Itagaki

Naoya Oka

Daisuke Honda

Akihiro Shiraishi

Toshiaki Ohyama

Takehiro Uzawa

Masato Oshikiri

Hiroyuki Kurabayashi

Chihiro Ikeda

Yuki Nagano

A television device structured to automatically adjust the color temperature on the display screen in accordance with the viewing environment includes an external light detection unit or an optical sensor for detecting the illuminance and the tint of the ambient light, and an image quality control unit or a microcomputer for adjusting quality of the video image to be displayed on the display panel. The image quality control unit adjusts the color temperature of the video image to be displayed in accordance with the illuminance value and the tint value detected by the external light detection unit. The optical sensor includes an illuminance sensor for mainly detecting the visible light, and an infrared sensor for mainly detecting the infrared light. The illuminance value and the tint value are obtained based on the output values of those two sensors.

Television device for adjusting quality of video image to be displayed

The present invention provides a video reproducing device which provides a function of reproducing a still image file and a moving image file recorded onto a recording medium in plural formats so that a user can easily identify a matched statuses of the files in the video reproducing device and can select and operate a target file as well as a control method therefor. The present invention displays an index screen in which thumbnails of a still image file and a moving image file in plural formats read from a recording medium are arrayed and further displays icons for clarifying a match relation between the video reproducing device and the files.

Video reproducing device

A television receiver and a signal receiving method thereof includes a terminal for connecting the television receiver to a personal computer for inputting information from the personal computer to the television receiver, a display for displaying a television signal, an input operation means, such as a remote controller, for generating a command signal, and a controller supplied with the command signal for controlling the personal computer and for inputting the information from the personal computer through the terminal to the television receiver for converting the television receiver from a television mode to a personal computer mode for displaying the information on a screen of said display. Advantageously, the personal computer and the television receiver are controlled by a command signal from the input operation means. The receiver and receiving method further includes a screen display processor for displaying a software keyboard on the screen of the display, which allows for selection of a character by using said input operation means. The screen display processor is further provided with a drag mode display menu means for displaying a drag mode on the display when a drag mode signal is generated from the input operation means.

Television receiver and receiving method thereof

Growing community of inventors

Fujisawa, Japan

Akira Kitazume