Pioneer Corporation

Pioneer Electronic Corporation

Pioneer Video Corporation

Pioneer Electric Corporation

Pioneer Display Products Corporation

Pioneer Electronics Corporation

Shoji Taniguchi

Eiji Muramatsu

Masahiro Kato

Kazuo Kuroda

Kunihiko Horikawa

Akiyoshi Inoue

Toshio Suzuki

Akira Shirota

Masahiro Miura

Eisaku Kawano

Atsushi Yamaguchi

Masayoshi Yoshida

Naoharu Yanagawa

Yoshio Sasaki

Toshihiko Takishita

Takeshi Koda

Keiji Katata

Hiroyuki Uchino

Tsuyoshi Hasebe

Tohru Kanegae

Hiroyuki Ohira

Takao Sawabe

Akira Shimizu

Akira Imamura

Tatsuhiro Yone

Takao Tagiri

Seiro Oshima

Kunio Matsumoto

Hiroyuki Takahashi

Masami Oishi

Satoshi Uchiumi

Shigenori Murakami

Hirohisa Tsudome

Yoshiaki Moriyama

Katsuharu Sato

Hiroshi Suzuki

Makoto Matsukawa

Kazuhiro Yamato

Provided herein are: a data acquiring unit which acquires a plurality of angle video data equal or less than the angle video data and relative display position information from a recording unit which records the plurality of angle video data corresponding to the plurality of angle videos taken at a plurality of taking angles different from one another in which a taken object is taken and records the relative display position information indicating a relative display position of each angle video in consideration of each taking angle; a video signal output unit which outputs a plurality of angle video signals corresponding to the plurality of angle videos to display units based on the plurality of angle video data; and an arrangement determining unit which determines a display position arrangement of the plurality of angle videos based on the relative display position information.

Video reproducing apparatus, video display system and record medium

An optical disc () is provided with a recording region where prescribed clock information (WBL) is preformatted for recording. The clock information is (i) included in a first frequency band that is definable by a first reference frequency (Fstd) (that is impossible for a conventional reproducing device to detect by a detecting method based on a self-correlation) and is (ii) defined by a frequency that is integer times the first frequency.

Information recording medium in which groove tracks are wobbled by frequency 2n times wobble frequency of standard

An information recording medium () is provided with: a data recording area () to which one attribute, which corresponds to recorded data, of a plurality of types of attributes is given in each of segmentized area units; and an address recording area () to record therein an address (AD-, AD-) of an edge portion on an outermost side of a recording area, which is a continuous recording area to which a data area attribute of the plurality of types of attributes is given and which is a recording area closest to an edge portion on an innermost side of said data recording area, the data area attribute indicating a status that user data is recorded as the data.

Information recording medium, information recording apparatus and method, and computer program

A disc-shaped information recording medium includes a first recording layer (L0 layer) having (I) a first trial write area (P-) for trial write of first trial write information for calibration of the laser beam along the first track path (TP) from the inner circumference toward the outer circumference and (II) a first recording area for recording the first recording information along a first track path (TP), in this order from the inner circumference side. Furthermore, the disc-shaped information recording medium includes a second recording layer (L1 layer) having (I) a second trial write area (P-) for trial write of second trial write information for calibration of the laser beam along the second track path (TP) from the outer circumference toward the inner circumference and (II) a second recording area for recording the second recording information along a second track path (TP), in this order from the inner circumference side.

Information recording apparatus and method

Information recording medium in which one land pre-pit is formed in each group unit of wobbles formed by each 'N' cycles of wobbles

An information recording apparatus () is provided with: a recording device () for recording data onto an information recording medium () being provided with a first recording layer (L) and a second recording layer (L); a first controlling device () for controlling the recording device to record the data into each of the first recording layer and the second recording layer; a forming device () for forming a compatibility area () for realizing reproduction compatibility of the information recording medium on an information recording apparatus, following the data recorded in each of the first recording layer and the second recording layer; and a second controlling device () for controlling the recording device to record the data into the formed compatibility area if the data is recorded after the compatibility area is formed.

Information recording apparatus and method, computer program

To limit the time capable of reproducing a plurality of contents as a whole recorded on a recording medium. Provided herein are a recording medium on which a plurality of contents and reproduction-enabled time which is a period of time for allowing a user to freely reproduce the plurality of contents as a whole are recorded, a reproduction device having an acquisition unit which acquires the reproduction-enabled time and a reproduction inhibit unit which inhibits the reproduction of each of the contents when the accumulated reproduction time of the plurality of contents as a whole exceeds the acquired reproduction-enabled time during the reproduction of each of the contents.

Reproduction system

An information recording apparatus is for recording user data and recording management data onto an information recording medium being provided with: a first recording layer; and a second recording layer, each of the first recording layer and the second recording layer having a user data area to record therein at least the user data and a recording management area to record therein at least the recording management data for managing recording of the user data, the information recording apparatus is provided with: a recording device for dividing the recording management area into a plurality of recording management segments and for recording the recording management data into at least one of the plurality of recording management segments; and a first controlling device for controlling the recording device to dispose each of the plurality of recording management segments in a single recording layer.

An information recording medium () is provided with: a first pre-recording area, in which reproducible preformed information including physical address information is recorded in advance and in which preformed address information assigned in advance is not recorded;

Information recording medium, information recording device and method, information reproducing device and method, information recording/reproducing device and recording method, and computer program

In an information recording medium including at least a first recording layer (Llayer) capable of recording information and a second recording layer (Llayer) capable of recording information, an information recording device () records information in a predetermined area () of the second recording layer by a laser beam which has passed through a transmission area () of the first recording layer. The information recording medium () includes recording means (, etc.) for recording the information in the first recording layer or the second recording layer, judgment means for judging whether an unrecorded amount indicating the size of the unrecorded area in the radial direction in the transmission area is smaller than a predetermined amount, and control means used when the unrecorded area is judged to be smaller than the predetermined amount, for controlling the recording means to record information in the predetermined area.

Information recording device and method, and recording control computer program

An information recording medium is provided with: a recording layer (L0 layer, L1 layer) having one or a plurality of predetermined recording areas (CDZ,and the like) in which record data including buffer data in a finalizing process can be recorded; and a management area (CDZ) in which the management information () can be recorded, the management information including first identification information () for identifying whether or not embossed pits are formed in the predetermined recording area.

Information recording medium, apparatus, and method using management information identifying whether or not embossed pits are formed in a predetermined recording area

An optical disk () comprises recording management areas () in which record management data for managing data recording is recorded. The record management data includes (i) physical position information () indicating the positions of physical buffer areas in which buffer data for buffering recording operation is physically recorded and (ii) logical position information () indicating the position of a logical buffer area in which buffer data is logically recorded or to be recorded.

Optical recording medium having physical and logical position information of buffer areas

An information recording medium includes: Each recording layer has a predetermined area in which power calibration is performed to detect an optimum recording power of laser light for recording, which is transmitted through the first recording layer and other layers of the second recording layers, the first recording layer, the other layers of the second recording layers, and each of the second recording layers arranged in this order as viewed from an irradiation side of the laser light, and in a facing area, which faces the predetermined area, in the other layers of the second recording layers and the first recording layer, by forming embossed pits.

Information recording medium and information recording device and method

An information recording apparatus () is provided with: a first recording device (etc.) for recording the first information into a first area of the first layer; a second recording device (etc.) for recording the second information into a predetermined area of the second layer; and a controlling device () for controlling the second recording device to record the second information by the laser light, while displacing an edge indicating an innermost or outermost circumference of the predetermined area in which a penetrated area penetrated by the laser light is included in the first area, in a direction to approach an edge of the predetermined area in which the penetrated area is not included in the first area, only by a predetermined length corresponding to a tolerance of a change amount indicating a change in the reproduction quality.

Information recording apparatus and method, and computer program for recording control

An information recording device and method capable of forming a recording mark by suppressing thermal interference. The device applies a laser beam to a recording medium and forms a recording mark in accordance with a recording signal. The device includes a light source for emitting the laser beam, signal generation elements for generating a recording pulse signal according to the recording signal, and drive elements for driving the light source according to the recording pulse signal. The recording pulse signal has a mark period for forming the recording mark and a space period. The recording pulse signal makes the level in the entire space period equal to or shorter than a predetermined length and a part of the space period longer than the predetermined length to be off level. While the recording pulse signal is off level, the recording medium is cooled down, thereby suppressing the affect of thermal interference.

Information recording device and information recording method

Growing community of inventors

Tokorozawa, Japan

Shoji Taniguchi