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Class 369/32.01 - Specified electrical information signal processing


Subclass of Class 369 - Dynamic information storage or retrieval
Definition: Subject matter including detail of handling the information
No. of patents: 69
Last issue date: 07/21/2009


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NumberTitleIssue Date
7564744Clock system for reproducing apparatus and method
Reproduction signals which are simultaneously obtained from an Ach head 3 and a Bch head 4 are time division multiplexed by a signal layout converting circuit 9 and arranged. An HPF unit 12 and an LPF unit 14 of a waveform equalizi...
07/21/2009
7352661Information-signal recording and reproducing apparatus
A recording medium has first and second areas on which first and second information signals are recorded respectively. The first information signal has a size Ya. The second information signal has a size Yb. A head operates for reproducing the first and second infor...
04/01/2008
7336569Optical disk tracking servo circuit enabled to compensate for non-continuous track segments or prolonged defect
The invention pertains to an improvement for a tracking and focusing servo and defect management circuit that controls the tracking and focusing of an optical head on an optical media in an apparatus for reproducing a data, sound or image recorded on the optical med...
02/26/2008
7315491Disk driving apparatus and information readout method with selective servo control for read-out destinations of lands and grooves
A disc driving apparatus and an information readout method according to the present invention realize optimum servo control of a readout unit in reading out the information from a recording medium having lands and grooves. The disc driving apparatus includes a unit ...
01/01/2008
7266054Method and device for recording real-time information
In a method of recording real-time information on an information carrier, e.g. audio on an optical disc, the real-time information is compressed to units comprising a variable amount of compressed data, and playback parameters are determined in dependence of the com...
09/04/2007
7260050Apparatus for detecting physical marks from wobble signal and method thereof
An apparatus for detecting physical marks from a wobble signal includes a matching value operation unit, a threshold value generator and a physical mark indicator. A wobble signal is converted into a matched signal by the matching value operation unit according to t...
08/21/2007
7257052Control apparatus and optical disk apparatus
A tracking control apparatus comprises an signal processing section, a lens characteristic measuring section and an optimum lens position searching section. The lens characteristic measuring section acquires a first address and second address of an optical disk. The...
08/14/2007
7251202Substrate for optical recording medium, optical recording medium, master disc, master disc recording apparatus, and signal generating apparatus
A substrate for an optical recording medium includes recording tracks formed in guide grooves on a disc and an address section having an address pit sequence formed between the recording tracks in the guide grooves along an information reading direction of the recor...
07/31/2007
7215615Minimum delay buffering method, minimum delay buffer device for dynamic write strategy, and CD-RW/DVD-RW system having the same
A pattern buffer apparatus for a dynamic write strategy, which buffers non return to zero (NRZ) data patterns in order to generate a recording pulse in a compact disc system, includes a pattern detector which detects a pattern edge and a pattern from the NRZ data; a...
05/08/2007
7177239Information-signal recording and reproducing apparatus
A recording medium has first and second areas on which first and second information signals are recorded respectively. The first information signal has a size Ya. The second information signal has a size Yb. A head operates for reproducing the first and second infor...
02/13/2007
7174511Method of reproducing a multi-session disk
The present invention relates to a method of selectively reproducing a desired type of data from a multi-session disk in which various types of data have been recorded on sessions. The method of reproducing a recording medium containing same type of contents in each...
02/06/2007
7164752Method and system providing control options for voice files
A method and system thereof for recording information in an Internet-based architecture; specifically, a method and system for implementing rewind and fast forward commands with digital voice files while a recording session is in progress. Audio content is recorded ...
01/16/2007
7116609Optical storage system and control method
A reference-position learning unit measures a current of one rotation of a medium in a state in which the focus of an objective lens is pulled-in by a focus pull-in control unit at a predetermined point in the radial direction of the medium upon insertion of the med...
10/03/2006
7099240Information-signal recording and reproducing apparatus
A recording medium has first and second areas on which first and second information signals are recorded respectively. The first information signal has a size Ya. The second information signal has a size Yb. A head operates for reproducing the first and second infor...
08/29/2006
7095945System for digital time shifting and method thereof
A multiplexed packetized data stream carrying real-time multimedia programs is received at a first hardware demultiplexer. Based on a user input, a video and timing portion of a program associated with the multiplexed packetized data stream can be stored for subsequ...
08/22/2006
7058163System and method for ex post facto preserving a recorded conversation
For use with an automated call placement system (ACP) having a switching service unit (SSU), a call monitoring unit capable of monitoring a selected one of lines coupled to the switching service unit and a method of making a recording of a conversation occurring on ...
06/06/2006
7057980Device and method for recording information
A method and device for recording information blocks on a record carrier is described. The device has control means 20 for recording and retrieving position data indicative of the position of the recorded information blocks. The control means include a mappin...
06/06/2006
7046589Information-signal recording and reproducing apparatus
A recording medium has first and second areas on which first and second information signals are recorded respectively. The first information signal has a size Ya. The second information signal has a size Yb. A head operates for reproducing the first and second infor...
05/16/2006
7046588Method and apparatus for recording and reproducing audio highlight portion and recording medium for storing additional information for the same
A method and apparatus for recording and/or reproducing an audio highlight portion of an audio selection, and a recording medium for storing additional information therefor. A particular portion is designated on an audio track as a representative portion of the audi...
05/16/2006
7043620Recording medium having recording program recorded therein and recording apparatus and method
The present invention provides an optical disk drive, optical disk recording method, optical disk recording program and a recording medium having the optical disk recording method recorded therein, applicable to a DVD drive, for example, to permit recording of also ...
05/09/2006
7035969Recording medium having recording program recorded therein
The present invention provides an optical disk drive, optical disk recording method, optical disk recording program and a recording medium having the optical disk recording method recorded therein, applicable to a DVD drive, for example, to permit recording of also ...
04/25/2006
7023791Information recording medium, and recording method and reproducing method thereof
An information recording medium in which bottoms of a guide groove and a pit array formed on a disc substrate are allocated on a same flat plane and shaped in flat. Further, in a transition area from a pit array to a guide groove or from a guide groove to a pit arra...
04/04/2006
7020067Information recording medium, and recording method and reproducing method thereof
An information recording medium in which bottoms of a guide groove and a pit array formed on a disc substrate are allocated on a same flat plane and shaped in flat. Further, in a transition area from a pit array to a guide groove or from a guide groove to a pit arra...
03/28/2006
6972606Delay circuits and related apparatus for extending delay time by active feedback elements
A delay circuit and related apparatus for providing a longer delay time, such that when a level of an input signal changes, a level of an output signal changes accordingly after the predetermined delay time. The delay circuit has a storage unit, a current generator,...
12/06/2005
6965727Information record medium and apparatus for reproducing the same
An information record medium (1) is provided with: an audio information recording area on which a plurality of audio information (210) which are different in recording method are recorded; and a control information recording area on which control infor...
11/15/2005
6961892Address information detecting apparatus and address information detecting method
An address information detecting apparatus in accordance with the present invention is arranged such that a first interpolation address generating section generates a first interpolation address according to a consistent signal supplied from an address comparison se...
11/01/2005
6925035Information-signal recording and reproducing apparatus
A recording medium has first and second areas on which first and second information signals are recorded respectively. The first information signal has a size Ya. The second information signal has a size Yb. A head operates for reproducing the first and second infor...
08/02/2005
6876605Information-signal recording and reproducing apparatus
A recording medium has first and second areas on which first and second information signals are recorded respectively. The first information signal has a size Ya. The second information signal has a size Yb. A head operates for reproducing the first and second infor...
04/05/2005
6873579Information-signal recording and reproducing apparatus
A recording medium has first and second areas on which first and second information signals are recorded respectively. The first information signal has a size Ya. The second information signal has a size Yb. A head operates for reproducing the first and second infor...
03/29/2005
6870799Information-signal recording and reproducing apparatus
A recording medium has first and second areas on which first and second information signals are recorded respectively. The first information signal has a size Ya. The second information signal has a size Yb. A head operates for reproducing the first and second infor...
03/22/2005
6870798Information-signal recording and reproducing apparatus
A recording medium has first and second areas on which first and second information signals are recorded respectively. The first information signal has a size Ya. The second information signal has a size Yb. A head operates for reproducing the first and second infor...
03/22/2005
6807132Servo control method using information of a table of contents of a disk
The present invention relates to a method for servo-controlling when a reproduction is requested to a multi-session disk for non-real-time data or real-time data of audio or video stream. This servo-control method using the information of table of contents reads inf...
10/19/2004
6751170Information-signal recording and reproducing apparatus
A recording medium has first and second areas on which first and second information signals are recorded respectively. The first information signal has a size Ya. The second information signal has a size Yb. A head operates for reproducing the first and second infor...
06/15/2004
6741531Information-signal recording and reproducing apparatus
A recording medium has first and second areas on which first and second information signals are recorded respectively. The first information signal has a size Ya. The second information signal has a size Yb. A head operates for reproducing the first and second infor...
05/25/2004
6728170Information-signal recording and reproducing apparatus
A recording medium has first and second areas on which first and second information signals are recorded respectively. The first information signal has a size Ya. The second information signal has a size Yb. A head operates for reproducing the first and second infor...
04/27/2004
6665248Apparatus and method for playing back voice data file, and recording medium having a playback program for playing back a voice data file recorded therein
A voice file consists of a plurality of data blocks. Each data block is composed of a plurality of sectors. Playback time information on voice data recorded in the sector is stored in the sector header. A control device creates a management file having th...
12/16/2003
6658527Recording and/or reproduction apparatus and data communication system with display of main and auxiliary data recorded capacity information
A data recording/reproduction apparatus being connected to a data communication system via a data bus conforming to a predetermined communication format enabling execution of data communication between them. In dealing with a mini-discâ„¢ system capable o...
12/02/2003
6643228Method and device for recording real-time information including playback parameters
In a method of recording real-time information on an information carrier, e.g. audio on an optical disc, the real-time information is compressed to units comprising a variable amount of compressed data, and playback parameters are determined in dependence...
11/04/2003
6597641Information-signal recording and reproducing apparatus
A recording medium has first and second areas on which first and second information signals are recorded respectively. The first information signal has a size Ya. The second information signal has a size Yb. A head operates for reproducing the first and s...
07/22/2003
6594203Information-signal recording and reproducing apparatus
A recording medium has first and second areas on which first and second information signals are recorded respectively. The first information signal has a size Ya. The second information signal has a size Yb. A head operates for reproducing the first and s...
07/15/2003
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