Pioneer Electronic Corporation

Pioneer Corporation

Pioneer Electric Corporation

Hitachi, Ltd.

Pioneer Electronics Corporation

Other

Sony Corporation

Kabushiki Kaisha Toshiba

Matsushita Electric Industrial Co., Ltd.

Pioneer Ldc, Inc.

Pioneer Electronic Coporation

Yoshiaki Moriyama

Takao Sawabe

Junichi Yoshio

Kaoru Yamamoto

Akihiro Tozaki

Ryuichiro Yoshimura

Hiroshi Nakamura

Kazumi Sugaya

Kazuo Kuroda

Sumio Hosaka

Kouichi Ono

Hisayuki Nakayama

Hidehiro Ishii

Tokihiro Takahashi

Takao Arai

Hiroshi Fujii

Toshifumi Takeuchi

Takeshi Nakamura

Masahiko Miyashita

Hirohide Kobori

Tatsuyuki Miyazawa

Tadashi Kojima

Toshio Suzuki

Akira Ogino

Hiroshi Yoshiura

Koichi Hirayama

Fumihiko Yokogawa

Toshiyuki Shimada

Takeshi Iwase

Hiroki Yamanashi

Shinichi Tanaka

Takashi Hashimoto

Hisashi Yamada

Hiroyuki Kimura

Takao Yamada

Kyota Funamoto

Akira Kurahashi

Hiroyuki Kurashina

Toshio Gotoh

Akihiko Naito

Kenji Yamagata

Shoji Taniguchi

Hideki Hayashi

Takashi Kohashi

Shin-ichi Tanaka

Keiichi Yamauchi

Isao Echizen

Hiroshi Iwamura

Akihiro Ono

Hidejiro Higashi

Kaname Abe

Sumitaka Matsumura

Sumio Imoto

Satomi Kobayashi

Toshio Mikami

Kosuke Ajima

Ryuichio Yoshimura

An image processing apparatus includes a shot splitting unit that splits a moving image into a plurality of shots each including a plurality of sequential frames; a shot detecting unit that detects, among the shots, a second shot similar to a first shot that is to be encoded; a first shot-generating unit that generates a third shot by correcting a time length of the second shot; a second shot-generating unit that generates a fourth shot by performing motion compensation using at least one of the first shot and the third shot; and an encoding unit that encodes a difference between the first shot and the fourth shot.

Image processing apparatus, image processing method, and computer-readable recording medium including shot generation

An information recording apparatus (SSI) is provided with: a signal process device () for applying a predetermined signal process to a plurality of partial record information blocks constructing whole record information (R) to thereby generate processed partial record information blocks (Sr) each composed of a plurality of predetermined information units (IU), and for generating and outputting recording position information (Sac), which is to be recorded by each of predetermined reproduction units (VOBU) composing the information units, for respective one of the reproduction units. The recording position information indicates recording positions of the reproduction units corresponding to reproduction times of the partial record information blocks within a predetermined range before and after the respective one of the reproduction units on an axis of reproduction time of each of the partial record information blocks. The information recording apparatus is also provided with; a multiplex device () for multiplexing the processed partial record information blocks and the recording position information by each of the reproduction units to thereby output multiplexed partial record information (Sap); and a record device () for recording the multiplexed partial record information onto the information record medium.

Information record medium, apparatus for recording the same and apparatus for reproducing the same

An information recording medium includes: a plurality of recorded information pieces being independent of each other; a plurality of individual attribute information pieces each corresponding to each of the recorded information piece and including information relating to attributes of the recorded information piece and functions in reproduction; and an aggregate attribute information piece, recorded at a position read out prior to any other positions on said recording medium, and including at least a part of the individual attribute information piece for all of the recorded information pieces.

Information recording medium, apparatus for recording the same and apparatus for reproducing the same

An information record medium having a record track recorded with at least video information is to be reproduced by a reproducing apparatus, which has a read device and reproduces at least video information while relatively moving the read device along the record track. At least video information and control information comprising access information to access the video information are recorded on the record track and are each divided into a plurality of first data groups, each of which is a unit accessible by the reproducing apparatus and comprises the video and control informations. Management information including (i) reproduction procedure information and (ii) a plurality of first search prohibit informations, is collectively recorded at one portion of the record track for each of the second data groups.

In an information recording medium, positions of pits are modulated in a direction intersecting a direction of reading of pits, so that a predetermined information is recorded. In this information recording medium, the whole of the predetermined information or a part of the predetermined information is randomized through the used of spread spectrum.

Information recording medium, information reading apparatus and information recording apparatus

In an electronic apparatus control system provided with: a plurality of electronic apparatuses connected to a network covering a predetermined area; and a controller for controlling these electronic apparatuses, the controller () is provided with: a generating device for generating a group key peculiar to the network () in order to encrypt the information flowing through the network (); and a wireless unit () for transmitting the generated group key to a plurality of the electronic apparatuses. The electronic apparatus is provided with: a memory device for storing the group key transmitted; an encrypting device for encrypting the information flowing through the network () using the group key; and a decoding device for decoding the encrypted information using the group key. Owing to this construction, it is possible to present a copy protection improved in the maintainability and reduced in the cost, for protecting copyright effectively even in a case that information is flown out of the network ().

Electronic device control system and method and electronic device, and control apparatus

An example outputting apparatus repeatedly transmits contents such as music or movies reproduced a player while attaching order information such as sector address numbers to the contents. An example recording apparatus records the contents on a recording medium such as a DVD based on the transmitted order information.

Information outputting apparatus and information outputting method, information recording apparatus and information recording method, information outputting recording system and information recording medium

The present invention is provided with: a distributing server for multiplexing copy control information and recording information, the copy control information indicating a number of times for restricting copying after recording, to be indicated after recording in a recording information apparatus is completed and when outputting the recording information and the copy control information; a transmitting unit for distributing the multiplexed recording information and copy control information to a recorder at an output speed higher than the reproducing speed of the recording information from the optical disk; a set top box for obtaining the distributed recording information and copy control information; and the recorder for recording the obtained recording information and copy control information into the optical disk, without modifying the copy control information.

Information output/recording apparatus/method for outputting recording information together with copy control information and recording the information therein in a high speed distribution environment

An object of the present invention is to provide an electronic watermark embedding apparatus, an electronic watermark embedding method, a record medium having an electronic watermark capable of securely detecting the watermark in the case of performing the noise reduction process or data compression process to the information on the contents and a manufacturing method of record medium. The electronic watermark embedding apparatus is provided with an embedding device for embedding an electronic watermark comprised of a signal generated based on a predetermined rule into contents comprised of digital information; a variation device for varying intensity of the electronic watermark to be embedded into the contents; and a controlling device for controlling the variation device so as to change the intensity of the electronic watermark, and wherein the controlling device for controlling the variation means so as to increase the intensity of the electronic watermark at intervals are provided.

Electronic watermark embedding apparatus, electronic watermark embedding method, record medium having electronic watermark and manufacturing method of record medium

An information record medium (DVD) has a record track recorded with record information to be reproduced by an information reproducing apparatus (S). The information reproducing apparatus is provided with a read device (), and performs a reproduction while moving the read device along the record track at a predetermined reading linear velocity. The record information is divided into a plurality of first data groups (VOBU), each of which is a unit able to be accessed by the information reproducing apparatus, recorded on the record track. Lowest reading rate information () indicates a minimum requirement of a reading rate for the information reproducing apparatus to reproduce a reproduction unit, which comprises at least one of the first data groups and which is to be reproduced by the information reproducing apparatus such that a sequential logical meaning of the reproduction unit is continuous. The lowest reading rate information is recorded on the record track at one portion (LI,) different from another portion where the record information is recorded.

A transmitting method of digital data whereby information data can be reproduced at a high precision. In order to retain digital data in sectors comprising a plurality of sync frames and sequentially transmit, the sync frame is comprised of the sync signal and the run length limited code which satisfies the limitations of the minimum run length and the maximum run length, and the sync signal includes the sync pattern constituted by a bit pattern of a run length that is longer than the maximum run length by onlyT and addition bit patterns which are arranged before and after the bit pattern and each of which has a urn length that is longer than the minimum run length. The sync signal includes a specific code which indicates a position in the sector and which enables the DC control to be performed.

Digital data transmitting method

An information reproducing apparatus has a read device, is capable of reproducing sub picture information and is also capable of performing a highlight display of the sub picture information. In an information record medium to be reproduced by this reproducing apparatus, at least the sub picture information and reproduction control information to control a reproduction of the sub picture information are recorded on the record track such that the sub picture information and the reproduction control information are divided into a plurality of groups. Each of the groups is a predetermined unit able to be accessed by the information reproducing apparatus, and has a sub picture pack in which the sub picture information is contained and a control pack in which the reproduction control information is contained. The reproduction control information includes (i) highlight display control information prescribing at least one of the highlight display of the sub picture information and an operation control corresponding to the sub picture information and (ii) time management information indicating times to manage a start time and an end time respectively of at least one of an effective time period during which the highlight display is effective and an effective time period during which the operation control is effective.

An information record medium is provided with a first recording layer on which a data group is recorded, and a second recording layer on which a data group is recorded. On the first recording layer, a lead-in area, management information for the whole of recording information, and the data group are recorded. On the second recording layer, a lead-out area and a data group are recorded. The lead-in area is recorded at the inner radius side of the information record medium. The lead-out area is recorded at the inner radius side of the information record medium. The medium is further provided with a mid area at the outer radius side of the first recording layer, and the other mid area at the outer radius side of the second recording layer.

Information record medium having first and second recording layers in which mid areas are recorded respectively, and apparatus for recording the same

Even when a movie or the like is distributed in an electronic state, reproduction control can be effectively performed for each region at a distribution destination, thereby providing a reproduction control program capable of widely distributing distributed information in an effective manner. The reproduction control program acquires distribution information which is distributed along with region information indicating a reproduction permitting region, and the reproduction control program is installed to a terminal T to operate the terminal T for reproducing the acquired distribution information. The region information indicating the reproduction permitting region based on the reproduction control program is stored in the terminal T, and it is confirmed whether or not a coincidence is made between a region indicated by the stored region information and a region indicated by stream region information included in the acquired distribution information. The distribution information is reproduced only when the region indicated by the region information and the region indicated by the stream region information are coincident with each other.

Information recording medium having reproduction control program recorded thereon and reproduction control program

An information recording apparatus (SS) is provided with: a signal process device () for dividing record information (R) to be recorded into a plurality of partial record informations including at least video information, for applying a predetermined signal process to each of the partial record informations to thereby output processed partial record information (Sr,), and for generating and outputting, on the basis of control information (Si) which is inputted from the external to control a reproduction of the record information, additional information (Sac,: PGCI) including still time information (E) indicative of a time for performing a still picture reproduction of a final picture of each of the partial record informations which is a picture included in each of the partial record informations at a final portion thereof after reproducing each of the partial record informations, at a time of reproducing the record information, the still time information being set for each of the partial record informations; a multiplex device () for multiplexing the processed partial record information and the additional information to thereby generate multiplexed processed record information (Sap); and a record device () for recording the multiplexed processed record information onto an information record medium (: DVD).

Growing community of inventors

Tsurugashima, Japan

Yoshiaki Moriyama