Hitachi-lg Data Storage, Inc.

Hitachi Maxell, Limited

Maxell, Ltd.

Hitachi Consumer Electronics Co., Ltd.

Hitachi, Ltd.

Yuya Ogi

Yoshiho Seo

Yasutaka Tsuru

Nobuaki Kabuto

Satoshi Ouchi

Kazuhiko Tanaka

Tomoki Kobori

Ryuji Ukai

Fumio Haruna

Tomoyuki Nonaka

Toyoshige Ohshika

Kenya Kasahara

Toshio Ueda

Tomoto Kawamura

Toshiteru Nakamura

Kuninori Matsumi

Takeo Hioki

Seiji Murata

Kazuo Ono

Takuma Nishimura

Hidenao Kubota

Kunikazu Oonishi

Michio Hatagi

Hiroyuki Kurabayashi

Akihiro Shiraishi

Masayuki Hatori

Tsutomu Kuroiwa

Satoshi Oouchi

A video receiver apparatus, for receiving video from a video transmitter apparatus, comprises: a memory portion for memorizing receiver apparatus information of the video receiver apparatus; and a transmitter/receiver portion for receiving a request for obtaining the receiver apparatus information transmitted from the video transmitter apparatus, and also for transmitting the receiver apparatus information memorized in the memory portion responding to the obtaining request, and wherein, further within the memory portion is memorized history information, changing depending on alternation of the receiver apparatus information, and wherein the receiver portion is able to receive the history information, which the video transmitter apparatus holds therein, as well as, the obtaining request from the video transmitter, and when the received history information from the video transmitter apparatus and the history information, which the video transmitter apparatus holds therein, are inconsistent with each other, then the receiver apparatus information memorized in the memory portion is transmitted to the video transmitter apparatus.

Video transmitter apparatus and video receiver apparatus

A sensor device includes: a sensor data acquisition unit that acquires sensor data of a measurement target from a sensor; a sensor data analysis unit that analyzes the data acquired by the sensor data acquisition unit; an extraction data setting unit that sets extraction conditions indicating a part desired to be extracted from among all the sensor data; a specific condition extraction unit that extracts a part from among all the sensor data based on an analysis result and the extraction conditions; and a user interface unit that allows a user to input/output information. Further, the user interface unit includes simple condition setting means by which a simple condition being at least one or more of the extraction conditions among the extraction conditions can be set in the sensor data analysis unit, and detection result display means that displays data satisfying the simple condition in the sensor data analysis unit.

Sensor device, data acquisition method, and current monitoring system

The video display device includes a laser light source unit, a video processing unit that outputs a video gradation signal, a current gain signal, and a current offset signal, a laser driver that outputs the drive current based on the video gradation signal, the power supply gain signal, and the current offset signal, and a dimming level processing unit that divides a dimming level for designating brightness of a video into a plurality of dimming modes and divides the dimming level into in-mode levels within the divided dimming modes, wherein the video processing unit includes a video gradation value output unit that outputs the video gradation signal obtained by scaling and offsetting a gradation value of the video based on the dimming mode and the in-mode level, a current gain output unit that outputs the current gain signal depending on the dimming mode.

Video display device

An information display terminal includes an arithmetic unit performing a process that selects a predetermined type of communication unit among a plurality of types of communication units on the basis of, for example, information related to first objects recognized from a captured image, which is stored in advance, and acquires the related information from a predetermined device on the Internet through the communication unit and a process that, when the presence of a second object or a predetermined positional relationship between the first objects and the second object is specified in the captured image, displays the related information of the first objects in a viewing direction, using a display unit.

Information display method and information display terminal

The laser projection display device () includes a laser beam source (), a laser driver () driving the laser beam source, and an image processing unit () supplying a display image signal to the laser driver. The image processing unit applies a preliminary emission signal () to perform preliminary emission to an image signal () in a predetermined period (tto t) immediately before a black pixel signal is switched to a signal except for the black pixel signal when the image signal has a black pixel duration. In particular, the preliminary emission process is performed when the laser beam source is operated in a dark image region while being reduced in maximum light intensity, and, as the preliminary emission signal, a signal (L) corresponding to a light intensity which is 1/10 or less a maximum light intensity (La) in the dark image region.

Laser projection display device and driving method for laser beam source

An image display deviceincludes a laser light source unit, a screenformed of at least two diffusion members, a vibration mechanismvibrating at least one diffusion member, and a scanning elementscanning laser light in a first direction (a y direction) on the screen and a second direction (an x direction) orthogonal to the first direction. A scanning speed of the scanning elementin the second direction is faster than a scanning speed in the first direction, and a diameter D of the laser light in the first direction on the screen is greater than an interval Yp in the first direction on the scanning trajectory in the second direction on the screen. Accordingly, it is possible to provide an image display device displaying an image having a low speckle with high luminance, without vibrating the diffusion member at a high speed.

Image display device

An image display device includes: a light source configured to change the amount of light, depending on a driving current; and a control unit configured to, when a change is made from a first gradation value to a second gradation value, control the driving current at the second gradation value, depending on a time period for which the first gradation value is set.

Image display device having a light source and a control unit configured to control a driving current at first and second gradation values

A video transmitting apparatus including: a first register that is set when receiving a CEC (Consumer Electronics Control) message which is transmitted by a video signal source and is reset in response to a leading edge of a predetermined voltage that is supplied from said video signal source; and a second register which reads an EDID (Extended Display Identification Data) of a video displaying apparatus, is set when a decision is made that said video displaying apparatus is a predetermined video displaying apparatus, and is reset when a state where an HPD (Hot Plug Detect) is in a state of low has continued for a predetermined period of time or longer, wherein when both of said first and second registers have been set, a determination is made that said video signal source, said video transmitting apparatus, and said video displaying apparatus have been connected.

Image transfer apparatus with CEC communication function

The present invention prevents image quality degradation due to pixel enlargement even when using an increased angle of inclination on projecting an image obliquely from a laser scanning display device. A swing mirror is controlled so that the scanning line density in the vertical direction of a display section is uniform in accordance with information including the angle of inclination, the distance of projection, and the display size of the display device with respect to the display section. A lens control driver is controlled so that a collecting lens has a focal point on the display section in accordance with a scanning position in the vertical direction of the swing mirror. The swing mirror or an image correction processing unit is controlled so that a display size in the horizontal direction of a display image on the display section is uniform regardless of the scanning position in the vertical direction.

Display device

The objective of the invention is to enhance the convenience of image pickup apparatus, while protecting contents in an environment of viewing the contents. An image pickup apparatus is characterized in that the image pickup apparatus comprises: an image information acquisition unit that acquires image information generated by photoelectric conversion; an image storage processing unit that generates an image file on the basis of the acquired image information and that causes the image file to be stored on a storage medium; and a control unit that performs control to provide a state in which the acquisition of the image information is possible and the storage of the image file is restricted.

Image pickup apparatus and system that may restrict or permit image pickup or storage

A laser projection display system that executes, by swinging a scan mirror, scanning with laser light of multiple colors in accordance with image signals, thereby displaying an image in accordance with the image signals, includes: a timing adjustment unit that divides temporally a display period during which the image signals are displayed and a light emission period for intensity detection to detect the intensity of the laser light; a laser light source that generates the laser light of the multiple colors; a laser light source driving unit that drives the laser light source in synchronization with a signal from the timing adjustment unit; and a scan mirror driving unit including: a first scanning means that executes scanning in a first direction in response to synchronization signals according to the image signals, with laser light generated by the laser light source through the scan mirror.

Laser projection display system configured to execute scanning with laser light in accordance with image signals

The purpose of the present invention is to provide a laser scanning display device capable of achieving high-resolution projection display while ensuring that the luminance and the size of the pixels are uniform to maintain the quality of the projection display. The scanning display device is configured to apply noise from a dither noise generator () to a horizontal scanning position on an oscillating mirror () determined by a scanning position determination unit (); normalize the horizontal scanning position to which the noise was applied using a normalizing unit (); acquire a pixel address corresponding to the normalized horizontal scanning position by referring to a pixel address table (); read pixel data corresponding to the pixel address from an image memory (); and modulate laser light by driving a light source () for emitting the laser light.

Scanning display device

The laser projection display device includes: a photo-sensor for detecting the quantity of laser light generated by the laser light source; and an image processing unit for processing a drive signal on the basis of the quantity of light of the detected laser light and supplying the processed drive signal to a driving unit for the laser light source. Right after the dimming, the image processing unit supplies the drive signal to the driving unit for the laser light source on the basis of the quantity of light of the detected laser light within a second execution cycle shorter than a first execution cycle which is the execution cycle used during the normal operation.

Laser projection display device, and method for controlling laser lightsource driving unit used for same

A laser projection display deviceincludes a laser light source driving unitsetting a current which drives a laser light source according to an image signal, a light sensordetecting a light amount of the laser light generated by the laser light source, and a light emission control unitemitting light by supplying a standard image signal and a current setting signal to the laser light source driving unit and setting the laser light source driving unit such that the light amount detected by the light sensor becomes a target value. The light emission control unit supplies the current setting signal to the laser light source driving unit such that light emission is performed a plurality of times with a predetermined current difference, in a fly-back period in one frame of the image signal.

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Tokyo, Japan

Yuya Ogi