Canon Kabushiki Kaisha

Other

Kenichiro Ono

Eiichi Matsuzaki

Toshiyuki Nobutani

Masami Shimakura

Hajime Morimoto

Junichi Tanahashi

Tatsuya Sakashita

Kenzoh Ina

Tatsuya Nakajima

Takashi Tsunoda

Taketo Hasegawa

Masaki Nakano

Kenji Inoue

Yoshikazu Shibamiya

Hideaki Yui

Nobuhiro Hoshi

Masamichi Ohshima

Makoto Uehara

A data processor capable of preventing a system from starting up improperly due to incomplete program updating. The data processor receives, by way of an external interface, a program which is sent by communicating medium such as a broadcast wave or a telephone network from an external device and stores the received program into a memory B which is different from a memory A storing a program for the system when a version of the received program is newer than that of a program currently executed by the data processor, thereby starting up an MPU at the next time with the program stored in the memory B.

Data processor, program updating method and storage medium

There is provided an image processing apparatus for temporarily stopping reproduction of an accumulation image automatically when a display mode for displaying a broadcast image (image obtained from a broadcast wave) and the accumulation image (image obtained from a storage medium) is switched to a display mode for displaying only the broadcast image, and automatically resuming the reproduction of the accumulation image when the display mode for displaying only the broadcast image is switched to the display mode for displaying the broadcast image and the accumulation image.

Image processing apparatus and control method thereof

An information processor enabling a digital broadcast to be viewed at a child device at a low cost, a TV system and a program are provided. Video decoders are corrected to the post-stage of demultiplexers, respectively, and video data of MPEG divided by the demultiplexers is decoded by the video decoders. At this time, the video data of MPEG is converted into a display format of a base band in a raster scan form. A common memory having a capacity equivalent to at least one displayed image, and a memory controller controlling the operation of the common memory are further provided. Three write video data output from resolution converters is stored in the common memory under control by the memory controller.

Information processor, TV system, control method and program

An image signal processing circuit, comprising: a first memory part; a second memory part; and a control circuit which controls the first memory part and the second memory part, wherein the image signal processing circuit is constituted so that image signals outputted from one of the first memory part and the second memory part are inputted into the other of the first memory part and second memory part; and wherein the control circuit is a circuit which controls the first memory part so that image signals are outputted in inverse order from the first memory part to inputted order into the first memory part, and controls the second memory part so that image signals are outputted in inverse order of lines composed of image signals from the second memory part to inputted order of lines composed of image signals into the second memory part.

Image signal processing circuit and image display apparatus

An image processing apparatus receives a broadcast wave and reproduces a first image from a storage medium if a display mode of the image processing apparatus is a first display mode. The image processing apparatus starts recording a second image obtained from the broadcast wave on the storage medium without stopping the reproduction of the first image if the display mode of the image processing apparatus is changed from the first display mode to a second display mode. The image processing apparatus displays the first image and the second image on a display unit if the display mode of the image processing apparatus is the first display mode. The image processing apparatus displays the first image on the display unit but does not display the second image on the display unit if the display mode of the image processing apparatus is the second display mode.

An information reproducing method using a first information reproducing device and a second information reproducing device that can conduct communications with each other via wireless or wired communication means, the method including: a storage step of storing reproduction information which represents a state of reproduction of a content in the second device in a state where the second device is disconnected from the first device; and a transmission step of transmitting the reproduction information from the second device to the first device after the storage step in a state where the first device and the second device are connected to each other to conduct communications with each other, wherein the content stored in the first device is reproduced on the basis of the transmitted reproduction information.

Information reproducing method and information reproducing device

A positional information outputting device comprising: a display screen; a positional information outputting circuit for outputting the information of a position designated on the display screen; and an output circuit for outputting a display signal for displaying a first image corresponding to a portion of an image, which can be formed with an image signal inputted, on a first area and a second area of the display screen. The positional information outputting circuit outputs, in case the inside of the first area on the display screen is designated, the information on the designated position, but does not output, in case the inside of the second area is designated, the information on the designated position.

Positional information outputting device, positional information outputting method, and signal processing method

An image processing apparatus is capable of displaying a first image obtained from a broadcast wave and a second image reproduced from a storage medium on a display unit. The apparatus comprises a first image processing unit adapted to increase a size of the first image if an instruction for temporarily stopping a reproduction of the second image is detected while the first image and the secod image are displayed on the display unit; and a second image processing unit adapted to decrease a size of the second image if the instruction for temporarily stopping the reproduction of the second image is detected while the first image and the second image are displayed on the display unit.

There is provided information processing apparatus/method featured by selecting the desired packets from input stream data containing plural packets multiplexed on time-division basis, counting the number of packets other than the desired packets in the input stream data, and recording, on a recording medium, the data of the desired packets and the information data indicating the number of the counted packets.

Information processing apparatus, method therefor and memory medium storing information processing program

A display control apparatus selectively outputs first image data and second image data to a display device on the basis of a switching instruction to instruct the switching of an image to be displayed by the display device and a result of a discrimination to discriminate whether the image displayed by the display device can be switched or not.

Display control apparatus and method

System having devices connected via communication lines

A display control apparatus for a display device capable of performing updating of a display state for a display element subjected to a change in display includes a display data memory for storing display data, a display controller capable of sequentially reading out the display data stored in the memory and transferring the readout display data to the display device at a predetermined period and capable of performing a partial rewrite operation of the display data stored in the memory, and a rewrite detector for detecting an address for accessing the display data memory to cause the display controller to perform the partial rewrite operation. In addition, a transfer permitting unit reads the address detected by the rewrite detector and permits transfer of only the display data of the read address to the display controller.

Display control apparatus

A display control apparatus for a display device, capable of updating a display state for a display element subjected to a change in display updating, includes a display data memory for storing display data, and a display controller capable of sequentially reading out the display data stored in the memory and transferring the readout display data to the display device at a predetermined period and capable of performing a partial rewrite operation of the display data stored in the memory. A rewrite detector detects an address for accessing the display data memory to cause the display controller to perform the partial rewrite operation, a specific pattern rewrite detector detects an address of display data subjected to a rewrite operation of the specific pattern and stored in the display data memory, and a rewrite address generator preferentially transfers the address detected by the specific pattern rewrite detector over the address detected by the rewrite detector, reads out the display data from the display data memory at the transferred address, and transfers the readout data to the display device.

A disturbance of an image in the case where a display format is switched during the display operation is prevented without exerting an adverse influence on the operation of a display apparatus side. The apparatus comprises a display apparatus which has a plurality of display formats by a combination of an effective display region in which a display is performed and a non-display region in which no display is performed and has a memory performance of a display state in which either one of the display formats is selected and the display is executed; a display control apparatus for controlling the display format to be displayed by the display apparatus; means for detecting that the selected display format was changed; means for stopping a transmission request of display information by detecting that the display format was changed; means for measuring a period of time during which the transmission request of the display information is stopped; and means for restarting the transmission request of the display information when a predetermined period of time is measured.

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Yokohama, Japan

Kenichiro Ono