Sony Corporation

Tohru Kadono

Takeshi Iwatsu

Hirotaka Ishikawa

Yasuki Kanema

Makoto Takahashi

Kenichi Kabasawa

Yuichi Suzuki

Shozo Masuda

Yuji Arataki

Chisako Kajihara

[Object] To reduce power consumption even more. [Solution] Provided is a communication control device including a communication necessity information acquisition unit configured to acquire communication necessity information indicating necessity to communicate with an external device, and a drive control unit configured to control drive of a first communication unit and a second communication unit on a basis of the acquired communication necessity information, the first communication unit communicating with the external device using a first communication mode, the second communication unit communicating with the external device using a second communication mode capable of transferring data at a rate higher than the first communication mode. The drive control unit controls a drive state of each of the first communication unit and the second communication unit to be set to one of an active state capable of communicating with the external device, a power-saving state having lower power consumption than the active state, and an inactive state being a power off state.

Communication control device, method of controlling communication, and program

An information processing apparatus includes: a reception unit configured to receive a start request transmitted from an external apparatus; a time processing unit configured to obtain a time of receipt when the reception unit receives the start request and to give a time stamp to first data; and a transmission unit configured to transmit the time of receipt obtained by the time processing unit to the external apparatus, to transmit to the external apparatus the first data generated after the time of receipt and given the time stamp by the time processing unit, and to in real-time transmit second data generated after the time of receipt to the external apparatus.

Information processing apparatus, data generating apparatus, information processing method, and information processing system

A disc reproducing device for detecting the position of a reproducing head along the radius of a disc for transferring the head to a targeted radial position on a disc. Since the radial position on the disc in which the optical pickup is positioned can be known prior to actuation of a variety of spindle servo functions, there is no necessity of reading out an address. As compared to a conventional device in which an optical pickup is transferred based on the address reproduced from the disc, access control can be realized more speedily. There is also no necessity of providing a imit switch for detecting the inner peripheral position.

Disc reproducing apparatus and head position calculating method

A data reproducing apparatus reproduces a data recorded or medium which has auxiliary data added to main data subjected to an error correction coding process. The data reproducing apparatus includes a signal processor, a memory, a comparator and a controller. The signal processor separates the main data from the recording data read out from the recording medium to implement an error correction decoding process thereto. The memory means stores the decoded main data from the signal processor. The comparator compares the last data stored in the memory with the inputted main data to the memory. The controller controls write and read operations of the memory and controls the comparison condition of the comparator according to the main data from the signal processor.

Data reproducting apparatus with controlled comparator for reducing

Data reproducing apparatus with controlled comparator for reducing

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Tokyo, Japan

Tohru Kadono