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Assignee: Matsushita Electric Industrial Co. Ltd. (JP)


Location: Not specified.
No. of patents: 201

1            
NumberTitleIssue Date
7378192Nonaqueous electrolyte battery
To present a nonaqueous electrolyte secondary battery using iron compound which is inexpensive and abundant in resource, as the active material for the positive electrode. An iron compound with particle size of 1 to 300 nm or less, being composed of substantially sp...
05/27/2008
7365633Vehicle remote control apparatus and vehicle remote control system using the same
A vehicle remote control apparatus has: A) a first transmitter for outputting an authentication request signal to a mobile device including a radio terminal assigned with an identification code special to a vehicle and outputting an authentication response signal co...
04/29/2008
7213944Light source apparatus, lighting apparatus and projection display apparatus
A light source apparatus includes a lamp, an ellipsoidal mirror collecting a part of light radiated from a light transmission plane of the lamp, and a spherical mirror collecting another part of the light radiated from a light transmission plane not collected by the...
05/08/2007
7164900Impulse waveform generating apparatus
An impulse waveform generating apparatus comprises an oscillator for generating a reference signal having a center frequency in a frequency band of an impulse to generate, a timing matching circuit for shifting a phase of the reference signal by 90 degrees, a freque...
01/16/2007
7129661Motor driver, motor driven by the motor driver, and apparatus employing the motor
A motor driver includes a first signal selector and a second signal selector. The first signal selector is used for selecting a signal to be supplied to an energizing unit of driving coils, and selects either one of a normal energizing pattern signal supplied from a...
10/31/2006
7106766Optical device, method of manufacturing the same, optical module, optical transmission system
In a conventional optical device which mounts a semiconductor light emitting element, the processing is difficult and a manufacturing process cost is expensive because of the necessity of forming via holes in a substrate. An optical device comprises a laser d...
09/12/2006
7088956Path search circuit, radio receiver and radio transmitter, utilizing a directional beam
A path search circuit according to the present invention has an orthogonal multi-beam forming section 4 for directional reception with a plurality of orthogonal multi-beams orthogonal one to another, correlation-operating sections 61–6M for correlati...
08/08/2006
7050189Network print system including memory server and printer
A network print system having a printer and a memory server connected through a communication network is capable of recovering from a printer error securely without re-transmitting data from a computer. The printer comprises an input unit for receiving print data fr...
05/23/2006
7012783Sealing glass for magnetic head, magnetic head, and magnetic recording/reproducing device
A magnetic head for a magnetic recording/reproducing device to conform to high-density recording, wherein a metal magnetic film with a high saturation flux density is employed and the mechanical strength of the sealing glass for magnetic heads, is improved thereby a...
03/14/2006
6921933Semiconductor device and method of fabricating the same
A gate electrode is formed on a semiconductor substrate with agate insulating film interposed therebetween. A channel region composed of a first-conductivity-type semiconductor layer is formed in a region of a surface portion of the semiconductor substrate located b...
07/26/2005
6871511Refrigeration-cycle equipment
Refrigeration-cycle equipment wherein an oil separator is installed as a refrigerant vessel in a part of the high-pressure-side circuit. A linear compressor of an oil-less type or an oil-poor type is used. Alternatively, the quantity of the CO2 refrigeran...
03/29/2005
6799362Motor and method for manufacturing the same
A motor and a method for manufacturing thereof use a rotor having permanent magnets and stators. The highest revolving speed of a motor is adjusted by using end plates of different thickness. The end plates are made of a magnetic material and disposed at the end fac...
10/05/2004
6628555Semiconductor circuit having a detection circuit for controlling a power boosting circuit
A boosting circuit included in a semiconductor integrated circuit for efficiently stabilizing a boosted potential, including a plurality of boosting circuits and a timing control circuit for distributing the operations of the boosting circuits. Boosting o...
09/30/2003
6611939Iterative decoding of multiply-added error-correcting codes in a data processing error correction device
A data error correction device which performs iterative decoding for data to which error-correcting codes are multiply added is provided with a means 14 for detecting the presence or absence of uncorrectable codewords in the present decoding, a means 15 c...
08/26/2003
6365844Printed wiring board
In manufacturing a double-layered or a multi-layered printed wiring board, a layer of metamorphic substance, which is created by transmuting a substrate material, is formed on an inner wall of a hole during a perforation process of the substrate utilizing...
04/02/2002
6360429Method for producing a magnetic head
A method is provided for producing a magnetic head which includes a pair of magnetic cores. The method includes the steps of disposing projection end faces of respective magnetic cores to and opposite each other with a magnetic gap member inserted therebe...
03/26/2002
6322623Light-screening film paint for lamps, and light-screening film for lamps and producing method thereof
There is disclosed a light-screening film paint for lamps containing (1) at least one compound of either manganese oxide or an iron oxide compound doped with a metallic manganese and having the formula (Fex Mn1-x)2 O3...
11/27/2001
6292625Recording/reproducing method suitable for recording/reproducing AV data on/from disc, recorder and reproducer for the method, information recording disc and information processing system
The present invention relates to a method for recording an AV file using an information recording disk in which data is recorded/reproduced by sectors. The recording method includes the steps of: determining whether or not input data is AV data; detecting...
09/18/2001
6273959Method of cleaning semiconductor device
There is disclosed a semiconductor device cleaning method involving placing a cleaning solution containing 24 wt. % sulfuric acid, 5 wt. % hydrogen peroxide, 0.02 wt. % hydrogen fluoride, 0.075 wt. % n-dodecylbenzenesulfonic acid, and water into a quartz ...
08/14/2001
6275545Matched filter and method of synchronizing operation timing of receiver with phase of desired wave signal
Herein disclosed is a matched filter for synchronizing a phase of an input wave signal with that of a desired wave signal, thereby making it possible to decrease the power consumption. The matched filter comprises a plurality of correlation units each hav...
08/14/2001
6263309Maximum likelihood method for finding an adapted speaker model in eigenvoice space
A set of speaker dependent models is trained upon a comparatively large number of training speakers, one model per speaker, and model parameters are extracted in a predefined order to construct a set of supervectors, one per speaker. Principle component a...
07/17/2001
6263411Video server scheduling for simultaneous read-write requests
A process is presented for supporting simultaneous disk read and write requests in a video server environment. Read requests are the result of movie viewing, while write requests are the result of video clip editing or movie authoring procedures. Due to r...
07/17/2001
6260016Speech synthesis employing prosody templates
Prosody templates, constructed during system design, store intonation (F0) and duration information based on syllabic stress patterns for the target word. The prosody templates are constructed so that words exhibiting the same stress pattern will be assig...
07/10/2001
6240188Distributed group key management scheme for secure many-to-many communication
A group key management system and method for providing secure many-to-many communication is presented. The system employs a binary distribution tree structure. The binary tree includes a first internal node having a first branch and a second branch depend...
05/29/2001
6193946Process for the preparation of a lithium composite metal oxide
Lithium composite metal oxides prepared by mixing at least one type of hydroxides, oxides, and carbonates of a metal selected from the group of transition metal, IIA metal, and IIIA metal, and a lithium compound of which the D50 value is in the range 5 to...
02/27/2001
6189674Apparatus and method for transferring printed circuit boards
An apparatus and a method for transferring a printed circuit board to an intended position at a high speed accurately and reliably. The apparatus is provided with driving motors (7) for driving conveyor belts (6) to transfer a printed circuit board, a pos...
02/20/2001
6132171Blower and method for molding housing thereof
The present apparatus provides a blower that improves the P-Q characteristic and reduces noise. The apparatus is a blower that sucks air inside through slits (6) provided in an annular wall (2), wherein the blade thickness near a blade end s is progressiv...
10/17/2000
6022640Solid state rechargeable lithium battery, stacking battery, and charging method of the same
A solid-state secondary lithium battery with excellent charge and discharge cycle characteristics, using a negative electrode active material which shows discontinuous change of potential caused by the lithium ion insertion and extraction reactions, where...
02/08/2000
5986779Multiple focus lens, an optical head apparatus and an optical information recording-reproducing apparatus
Coma of an objective lens occurs depending on the lens-forming condition when plural disks of different substrate thickness are recorded and reproduced. An objective lens according to this invention is not influenced by the coma even if the thickness of t...
11/16/1999
5978948Semiconductor circuit system, method for testing semiconductor integrated circuits, and method for generating a test sequence for testing thereof
Logic blocks are placed between a power supply terminal and a grounding terminal. Each logic block has a logic circuit in which low-threshold voltage transistors are arranged, and high-threshold voltage transistors, pHVth- and nHVth-Tr's, are placed betwe...
11/02/1999
5901345Transmitter of wireless system and high frequency power amplifier used therein
The output of a digital modulator is put into a power amplifying device, is distributed into n pieces in an n-power divider in the power amplifier, passes through n input phase shifters differing individually in the phase change amount, is amplified by n ...
05/04/1999
5889557Automatic beam current limit apparatus and methods of the same
An automatic beam current limiting apparatus for limiting beam currents of R, G, and B colors separately without affecting the the CRT drive. In particular, the Average Picture Level (APL) of each of the R, G, and B color video signals at the preceding st...
03/30/1999
5852798Machine translation apparatus and method for translating received data during data communication
A machine translation apparatus comprises a reception unit for receiving original text data, a first storage unit for storing the original text data received by the reception unit, a display unit for displaying the original text data in the first storage ...
12/22/1998
5848883Scroll compressor having a back pressure partitioning member
A scroll compressor is designed to exert a stable pressure on the rear surface of the rotary scroll without causing excessive pressure rise or pressure gradient by the lubricating oil which flows out from a back pressure partitioning member in a very litt...
12/15/1998
5850629User interface controller for text-to-speech synthesizer
An application-independent, text-to-speech control system which employs an easy-to-use transport from which a user can control most text-to-speech conversion functions without prior training. It provides a control means by which user designated areas may ...
12/15/1998
5841462Thermal transfer printing method
A thermal transfer printing method using a color developing layer transfer sheet having color developing layer at least on either side of its substrate, a dye layer transfer sheet having at least on either side of its substrate and an intermediate medium ...
11/24/1998
5837317Method of producing hydrogen storage alloy for battery
The present invention provides a method of producing a hydrogen storage alloy low in cobalt content which can restrains a decrease in cycle life characteristic and preservation characteristic of an alkaline storage battery when the alloy is used as a nega...
11/17/1998
5796847Sound reproduction apparatus
A sound reproduction apparatus for a vehicle comprises: a sound source for generating a sound signal; a sound reproduction portion for reproducing a sound from the sound signal into a compartment of the vehicle; a microphone, provided in the compartment, ...
08/18/1998
5790142Ink jet recording apparatus
By increasing/deceasing electric energy per unit time supplied to heat energy generation means arranged in a liquid chamber having a nozzle, the amount of the ink emitted from the nozzle can be changed to correct a difference in dot diameter which occurs ...
08/04/1998
5722781Printing apparatus
A printing apparatus includes: a comparator in which a travelling time relating to the printing state on a unit medium by a printer is compared with a preset time when a facsimile data receiver receives a facsimile reception request on a way where the pri...
03/03/1998
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