Mitsubishi Denki Kabushiki Kaisha

Pioneer Electronic Corporation

IP Talk Corporation

Akihiko Naito

Hiroaki Sakai

Masashi Mori

Kunio Nakaoka

Yoshinari Sugegaya

Masaki Yamakawa

Toyohiro Kobayashi

Hirokazu Taki

Nobuhito Miyauchi

Kazuyoshi Kojima

Shun Kimura

Yoshikazu Morino

The portable image recording apparatus comprises a coding unit which codes an input sound and image data relating to an image, a parameter setting unit which variably sets a frame rate and a bit rate of coding to be executed by the coding unit according to a type of contents of the image; and a recording unit which records the coded data obtained by the coding unit into a small-sized recording medium.

Portable image recording apparatus

An internet communication system, which is provided with session managing serversand. In the system, each session managing server manages wireless communication apparatusesandand call relay serversand. For that reason, the processing load of each session managing server is allowed to be equalized. As a result, the operational efficiency of the system may be enhanced, and quality of services offered to the user of the system may be improved.

Internet communication system, internet communication method, session management server, radio communication device, communication relay server, and program

A duplicated part of identical images in an encoded image data master is judged to be selected. Image data to be reused is generated by adding a storage instruction to encoded image data of the duplicated part of the first identical image, and converting encoded image data of the duplicated part of the second identical image into a reuse instruction. In a reproduction process, decoded data in the encoded image data part including the storage instruction is stored in a vacant area and the decoded data is read at the point of the reuse instruction.

Image data reproduction method

In the motion picture data converter, an MPEG-2 decoding unit decodes motion picture data in an MPEG-2 format into motion picture data in an non-compressed format, a motion vector extraction unit extracts motion vector information from the motion picture data being decoded in said MPEG-2 decoding unit, a motion compensation unit generates the motion vector information in the MPEG-4 format, by causing the extracted motion vector information to be reflected in the motion compensation processing for the MPEG-4 format, and executes the motion compensation processing based on the motion vector information, and an MPEG-4 encoding unit encodes motion picture data in the MPEG-4 format, using the motion compensation processed data and the motion picture data in the non-compressed format.

Motion picture data converter, and computer product

A television scrambling system of the GSS type includes a false key signal to defeat pirate decoders. The false key is placed approximately one half a horizontal line period following the last horizontal sync pulse preceding the vertical blanking interval of the television signal. If the pirate decoder is set to attenuate the video portion of the picture signal in response to receipt of a standard GSS scrambled signal, the pirate decoders will attenuate only the sync portion of the picture signal in response to a signal scrambled with the false key.

Television signal scrambling method and apparatus

A sentence forming apparatus forms a plurality of semantically equivalent sentences simultaneously in a plurality of languages by a conversational system. The apparatus includes a semantic dictionary memory which stores a plurality of indexes in a first language, a plurality of words in the first language semantically in coordination respectively with the indexes and grammatical information relating to the respective words, and first language syntax dictionary memory and second language syntax dictionary memory which store information concerning grammatical syntax and word in the corresponding language. A selection menu is formed based on the contents of the semantic dictionary. The apparatus further includes first language sentence assembler and second language sentence assembler which assemble, respectively, the first language sentence and the second language sentence utilizing the information concerning the grammatical syntax and word in the respective languages, in accordance with the selection menu.

System of simultaneous translation into a plurality of languages with

A CATV system includes a security system incorporated therein through which a subscriber can automatically or manually transmit various warning or emergency signals to the CATV base station. Apparatus at the base operates to determine the type of warning signal received, and transmits a corresponding confirmation signal to the particular home unit. An indicator on the unit gives a visual indication of the receipt of the corresponding confirmation signal.

Security system

In a cable television system of the type wherein a cable television signal including free and restricted television channels is subjected to selective frequency conversion at individual terminal units to obtain a desired one of the channels for observation, a signal detector is provided for detecting the presence or absence of a polling signal from the central facility and the frequency converter is either disabled or adjusted for reception of a free channel if no polling signal is received.

Unauthorized observation preventing device for CATV system

A fail-safe CATV system center facility in which abnormalities in a normal down-data signal transmitter are automatically corrected for so that there is no loss of reception at the terminal units. FM and AM detectors detect the presence or absence of the normal FSK data signal. The outputs of the FM and AM detectors are AND'ed together then delayed to control the switch state of a switch which selects between the outputs of the normal down data signal transmitter and a back-up transmitter for coupling through to the cable system. The back-up transmitter produces a clock signal which is obtained by modulating a carrier signal having the same frequency as that of the normal down data signal, preferably a frequency shift keyed signal.

Growing community of inventors

Tokyo, Japan

Akihiko Naito