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Class 369/60.01 - SIGNAL PROCESSING BY STORAGE AND SUBSEQUENT RETRIEVAL (E.G., FREQUENCY SHIFT, DELAY, ETC.)


Subclass of Class 369 - Dynamic information storage or retrieval
Definition: Subject matter wherein a time-dependent characteristic
No. of patents: 47
Last issue date: 07/19/2011


1    
NumberTitleIssue Date
7983132Optical disk apparatus
An optical disk apparatus for enhancing time resolution of an RF sum signal. A reproduction sum signal (a signal A+a signal D) on the leading side and a reproduction sum signal (a signal B+a signal C) on the following side, which have been output from a four-quadran...
07/19/2011
7379654Programmable video recorder backing store for non-byte stream formats
The buffer of a programmable video recorder includes a backing store having a plurality of discrete temporary files that are configured to store non-byte streamed data, such as ASF data. The data stream includes a number of data samples that are each assigned a time...
05/27/2008
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
7295502Optical desk apparatus
An error pulse is generated from a PRML circuit, and reproduction compatibility with a conventional apparatus is established. After a reproducing signal output from an optical head is equalized by an analog equalizer, sampled by an A/D converter at every clock, and ...
11/13/2007
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
7102965Radio assembly
An assembly (40) which is disposed within a conventional radio (10) and a method (200) for replaying a real time audio signal (50). Particularly, the assembly (40) includes a memory assembly (56) which records a digitally co...
09/05/2006
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
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
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
6917577Method for determining position of optic pick-up head and device of the same
A method for determining the position of an optic pick-up head and the device of the same are disclosed. The number of frames in certain section of the disk are used to determine the position of the optic pick-up head. The number of frames in inner section of the co...
07/12/2005
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
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
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
6804183Rotation control method for controlling rotation of media having zones in radial direction and employing ZCAV system, and storage apparatus using the rotation control method
A storage apparatus has a function of controlling rotation of a recording medium which is divided into a plurality of zones in a radial direction thereof and employing a ZCAV system. The storage apparatus is provided with a setting part for setting a mode to one of ...
10/12/2004
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
6661300Ring oscillator and means for controlling the frequency thereof
A ring oscillator according to the invention comprises a closed chain of at least two modules (1, 2). At least one of the modules (1, 2) comprises a primary (10) and a second amplifier stage (11) and combination means (12) for combining output signals of ...
12/09/2003
6657939Signal delay apparatus, leakage signal removing apparatus and information processing apparatus
A signal delay apparatus is provided with; a FIR filter for detecting a leakage signal, which is mixed in a digital detected signal, which is optically obtained from a main truck to be detected in association with the information recorded on a sub truck a...
12/02/2003
6609203Secure optically readable memory usable in connection with a limited number of machines
Digital information stored on a CD-ROM is accessible by use of a password, which is readable initially on the CD-ROM and which subsequently becomes at least partially unreadable due to exposure of the CD-ROM to the radiation used to read the CD-ROM. A use...
08/19/2003
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
6594612Measurement system having an improved scan list configuration
A digitizer for use in a measurement system. The digitizer acquires data from an external source, and includes a static random access memory (SRAM) which stores a scan list comprising entries specifying digitizer operations such as switch time, settle tim...
07/15/2003
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
6542564Method and apparatus for compensating reproduced audio signals of an optical disc
An apparatus and method for compensating audio signals to be recorded on an optical disc to optimize usage of memory in an audio decoding circuit, and to neutralize invalid audio data to produce good audio quality. A determination is made with regard to w...
04/01/2003
6504807Programmable write signal generator
A system and method are disclosed for generating a transition in a laser control signal at a precise point in time. A write strategy processor is configured to input a sequence of data and to determine a transition in a laser control signal from the seque...
01/07/2003
6493305Pulse width control circuit
A pulse width control circuit is used to control the pulse with of a modulation signal to be written to a recording medium, such as a CD-R. The circuit controls both the leading and trailing edges of the modulation signal. The circuit includes a first del...
12/10/2002
6477312Instant replay system
A short segment recording and replay system which includes a receiver for receiving and displaying audiovisual information and an endless memory for storage of continuous short segments of the audiovisual information concurrent with display thereof by the...
11/05/2002
6438081Storage media reading system
A sync clock signal for information reproduction is generated using a binary signal obtained from a recording medium as a reference signal. The phase of the binary signal is compared with that of the sync clock signal. A frequency is changed based on the ...
08/20/2002
6408040Method and apparatus for compensating reproduced audio signals of an optical disc
An apparatus and method for compensating audio signals to be recorded on an optical disc to optimize usage of memory in an audio decoding circuit, and to neutralize invalid audio data to produce good audio quality. A determination is made with regard to w...
06/18/2002
6381202Information recording/reproducing apparatus and information recording method
An information recording/reproducing apparatus and an information recording method which allow the formation of a recording pit having a preferable shape. One of a first recording standard and a second recording standard is selected based on a common disc...
04/30/2002
6310849Apparatus for recording and/or reproducing information and/or from optical information record disk
An apparatus for recording and/or reproducing information on and/or from a magneto-optical disk including an optical head for projecting a laser beam onto a magneto-optical disk and receiving the laser beam reflected by the disk, an up-down block arranged...
10/30/2001
6285632Information-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...
09/04/2001
6266303Apparatus for reading or writing optical recording carriers
The invention concerns an apparatus for reading or writing optical recording carriers, the apparatus using the differential phase detection process for tracking purposes. This process exhibits shortcomings when optical recording carriers of different pit ...
07/24/2001
6219321Data recording apparatus and method
A recorded state monitoring portion 4 monitors a state where a recording instruction to a storage device 1 is executed. A recording managing portion 3 judges whether or not the result of the monitoring by the recorded state monitoring portion 4 satisfies ...
04/17/2001
5796695Information transmission method and apparatus and information receiving method and apparatus
Methods and apparatus for transmitting and receiving the information for smooth distribution of the information, such as the news or music, to a number of recipients with sufficient quality. The information to be transmitted, that is the transmission info...
08/18/1998
4712208Disc reproducing system for compensating mechanical imperfections
Apparatus for reducing the effects of vertical perturbations of a phonograph disc surface resulting from disc and/or playback system mechanical imperfections. Such imperfections are compensated by closed loop and/or open loop means wherein the deviations ...
12/08/1987
4536864Apparatus for reading an optically coded disc-shaped record carrier
The invention relates to an apparatus for reading a disc-shaped record carrier with a spiral information track in which an optically readable digitally coded information signal is recorded with a spatial bit frequency which is independent of the radius of...
08/20/1985
4495609Recording and playback system
Recording and playback optical scanners are relatively movable with respect to each other and with respect to a movable recording medium such as reel of tape adapted for recording variations in applied light. The playback scanner reproduces recorded infor...
01/22/1985
4408309Time delayed recording system
A time delay apparatus has a multistate switch and a delay medium. The time delay apparatus is used in combination with a receiver/amplifier and a recording system. A continuous signal is switched from the receiver/amplifier to the delay medium when it is...
10/04/1983
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