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Matsushita Electric Industrial Co., Ltd. Patents
Assignee:
Matsushita Electric Industrial Co., Ltd.
Address:
Osaka, JP
No. of patents:
25195
Patents:












Patent Number Title Of Patent Date Issued
RE40647 Method of producing plasma display panel with protective layer of an alkaline earth oxide March 10, 2009
The first object of the present invention is to provide a PDP with improved panel brightness which is achieved by improving the efficiency in conversion from discharge energy to visible rays. The second object of the present invention is to provide a PDP with improved panel life which
RE40498 Variable address length compiler and processor improved in address management September 9, 2008
The present invention discloses a program converting unit for generating a machine language instruction from a source program for a processor that manages an N-bit address while processing M-bit data, N being greater than M, and such a processor that runs the converted program. The progr
RE40369 Heat sink and electronic device employing the same June 10, 2008
A fan-motor-incorporated heat sink effectively supplies cooling air flow in a thin electronic device having limited space above the heat sink. The heat sink enables air intake above the heat sink by positioning a fan, the fins of a heat sink substrate and the side wall of the substrate
RE40361 Data conversion apparatus for data communication system June 3, 2008
A data conversion apparatus is provided as a data transmitting apparatus in a data communication system which achieves pseudo interactive communications by using one-way communications between the data transmitting apparatus and a plurality of data receiving apparatuses. The data con
RE40330 Optical recording medium, reproducing system, method of reproducing optical disk, method of fabr May 20, 2008
The present invention provides an optical disk 9 with a duplication preventing function, reproducing system 47 for the optical disk 9, optical disk reproducing method, method of fabricating an optical disk original record, and illegal program operation stopping method. An area in whi
RE40283 Mounting apparatus for electronic component May 6, 2008
An apparatus is provided with a component feeding member for feeding electronic components having lead wires in a tape-bonded state, an insertion head for separating the electronic components fed from the feeding member from the tapes and inserting to holes of a board, and a fixing h
RE40270 Optical amplifying device April 29, 2008
An optical brancher branches an input optical signal into two. An optical detector converts one optical signal branched by the optical brancher into an electrical signal. A first controller generates a control electrical signal having a waveform obtained by inverting the envelope of
RE40261 Apparatus and method of partially transferring data through bus and bus master control device April 22, 2008
A method of transferring data through a bus includes the steps of: occupying the bus by a first device serving as a bus master; transferring a first predetermined number of data items of all data items to be transferred while the first device is occupying the bus; determining if the
RE40255 Communication system April 22, 2008
At the transmitter side, carrier waves are modulated according to an input signal for producing relevant signal points in a signal space diagram. The input signal is divided into, two, first and second, data streams. The signal points are divided into signal point groups to which data of
RE40242 Communication system April 15, 2008
At the transmitter side, carrier waves are modulated according to an input signal for producing relevant signal points in a signal space diagram. The input signal is divided into, two, first and second, data streams. The signal points are divided into signal point groups to which data of
RE40241 Communication system April 15, 2008
At the transmitter side, carrier waves are modulated according to an input signal for producing relevant signal points in a signal space diagram. The input signal is divided into, two, first and second, data streams. The signal points are divided into signal point groups to which data of
RE40240 Information recording/reproducing device using optical disk and method therefor and information April 15, 2008
The sector synchronism of a timing generation section for generating data recording/reproducing timing is corrected at the address-mark detection timing of an address-mark detection section. Moreover, even if only one piece of address information having no error is not reproduced in the
RE40229 Optical recording/reproducing apparatus for optical disks with various disk substrate thicknesse April 8, 2008
.[.An optical disc apparatus for recording, reproducing or erasing an information signal by converging a light flux onto a recording layer through a transparent substrate. The apparatus includes one or a plurality of optical heads having a plurality of objective lenses whose aberrati
RE40223 Method for charging secondary battery April 8, 2008
A method for charging a secondary battery by measuring the static/open circuit voltage and comparing it to a predetermined value includes: a first step of precharging the secondary battery; thereafter pausing a predetermined interval; a step of measuring a secondary battery voltage V
RE40209 Cell potential measurement apparatus having a plurality of microelectrodes April 1, 2008
A cell potential measurement apparatus, which uses a planar electrode enabling a multi-point simultaneous measurement of potential change arising from cell activities, is provided which can conduct measurements accurately and efficiently as well as can improve convenience of arrangin
RE40206 Communication system April 1, 2008
At the transmitter side, carrier waves are modulated according to an input signal for producing relevant signal points in a signal space diagram. The input signal is divided into, two, first and second, data streams. The signal points are divided into signal point groups to which data of
RE40175 Communication system March 25, 2008
At the transmitter side, carrier waves are modulated according to an input signal for producing relevant signal points in a signal space diagram. The input signal is divided into, two, first and second, data streams. The signal points are divided into signal point groups to which data of
RE40174 Communication system March 25, 2008
At the transmitter side, carrier waves are modulated according to an input signal for producing relevant signal points in a signal space diagram. The input signal is divided into, two, first and second, data streams. The signal points are divided into signal point groups to which data of
RE40154 Fiber optic module March 18, 2008
A fiber optic module includes a connector connected to a mother board of a host computer, an LD semiconductor IC for converting serial data received from the mother board to an LD electric signal for a laser diode, an LD module for converting the LD electric signal to an LD optical signa
RE40150 Fiber optic module March 11, 2008
A fiber optic module includes a connector connected to a mother board of a host computer, an LD semiconductor IC for converting serial data received from the mother board to an LD electric signal for a laser diode, an LD module for converting the LD electric signal to an LD optical signa
RE40141 Recording medium cartridge and signal recording apparatus March 4, 2008
A cartridge for housing a recording medium therein. The cartridge includes a cartridge body configured such that a signal recording apparatus can record a signal onto the recording medium when the cartridge is loaded in the signal recording apparatus. The cartridge also includes an openi
RE40134 Communication system March 4, 2008
At the transmitter side, carrier waves are modulated according to an input signal for producing relevant signal points in a signal space diagram. The input signal is divided into, two, first and second, data streams. The signal points are divided into signal point groups to which data of
RE40133 Optical recording/reproducing apparatus for optical disks with various disk substrate thicknesse March 4, 2008
.[.An optical disc apparatus for recording, reproducing or erasing an information signal by converging a light flux onto a recording layer through a transparent substrate. The apparatus includes one or a plurality of optical heads having a plurality of objective lenses whose aberrati
RE40080 Video coding method and decoding method and devices thereof February 19, 2008
A new predictive coding is used to increase the temporal frame rate and coding efficiency without introducing excessive delay. Currently the motion vector for the blocks in the bi-directionally predicted frame is derived from the motion vector of the corresponding block in the forward
RE40017 Optical recording/reproducing apparatus for optical disks with various disk substrate thicknesse January 22, 2008
.[.An optical disc apparatus for recording, reproducing or erasing an information signal by converging a light flux onto a recording layer through a transparent substrate. The apparatus includes one or a plurality of optical heads having a plurality of objective lenses whose aberatio
RE39956 Communication system December 25, 2007
At the transmitter side, carrier waves are modulated according to an input signal for producing relevant signal points in a signal space diagram. The input signal is divided into, two, first and second, data streams. The signal points are divided into signal point groups to which data of
RE39954 Automobile on-board and/or portable telephone system December 25, 2007
In an automobile on-board and/or portable telephone system capable of increasing the capacity of subscribers easily on the basis of changing of the information transmission bit rate, spread codes obtained by multiplying orthogonal spread codes (m in number) by a pseudo-random noise s
RE39952 Laser power controller and optical disk device December 25, 2007
A power control device for controlling a power of a light source of an optical beam directed to an optical medium. The power control device includes a reflected light detector for detecting reflected light from the optical medium when irradiated by an optical beam which is following
RE39929 Communication system November 27, 2007
At the transmitter side, carrier waves are modulated according to an input signal for producing relevant signal points in a signal space diagram. The input signal is divided into, two, first and second, data streams. The signal points are divided into signal point groups to which data of
RE39928 Communication system November 27, 2007
At the transmitter side, carrier waves are modulated according to an input signal for producing relevant signal points in a signal space diagram. The input signal is divided into, two, first and second, data streams. The signal points are divided into signal point groups to which data of
RE39927 Communication system November 27, 2007
At the transmitter side, carrier waves are modulated according to an input signal for producing relevant signal points in a signal space diagram. The input signal is divided into, two, first and second, data streams. The signal points are divided into signal point groups to which data of
RE39902 Communication system October 30, 2007
At the transmitter side, carrier waves are modulated according to an input signal for producing relevant signal points in a signal space diagram. The input signal is divided into, two, first and second, data streams. The signal points are divided into signal point groups to which data of
RE39890 Communication system October 23, 2007
At the transmitter side, carrier waves are modulated according to an input signal for producing relevant signal points in a signal space diagram. The input signal is divided into, two, first and second, data streams. The signal points are divided into signal point groups to which data of
RE39883 Optical recording/reproducing apparatus for optical disks with various disk substrate thicknesse October 16, 2007
.[.An optical disc apparatus for recording, reproducing or erasing an information signal by converging a light flux onto a recording layer through a transparent substrate. The apparatus includes one or a plurality of optical heads having a plurality of objective lenses whose aberrati
RE39860 Optical recording/reproducing apparatus for optical disks with various disk substrate thicknesse September 25, 2007
.[.An optical disc apparatus for recording, reproducing or erasing an information signal by converging a light flux onto a recording layer through a transparent substrate. The apparatus includes one or a plurality of optical heads having a plurality of objective lenses whose aberrati
RE39832 Optical recording disk capable of resynchronization in digital encoding and decoding September 11, 2007
In carrying out PWM-recording on optical disks, RESYNC BYTES including a bit compensation part, RESYNC detection part, and bit synchronization part are periodically inserted in the recorded data code stream. After encoding and at the time of decoding, RESYNC BYTES are detected by det
RE39807 Phase locked loop circuit September 4, 2007
A PLL circuit comprises a frequency comparator for detecting a phase difference based on a difference in frequencies between a reproduced data pulse and a clock generated by a VCO; a phase comparator for detecting a difference in phases between the reproduced data pulse and the VCO clock
RE39785 System for optically transmitting frequency-division-multiplexed signal and transmitter therefor August 21, 2007
In an optical transmission system, a multiplexer frequency-division-multiplexes a plurality of signals, and outputs the resultant signal to an FM modulator. The FM modulator converts the frequency-division-multiplexed signal into an FM modulated signal through frequency modulation us
RE39771 Code conversion method and apparatus, code recording medium, code recording apparatus and code r August 14, 2007
A code conversion method and apparatus is provided for scrambling and modulating data. The method and apparatus includes scrambling an input main data unit based on any of plural types of pseudo-random number sequences, and modulating the scrambled main data unit based on any of plur
RE39742 Display device and luminance control method therefor July 24, 2007
A temperature difference estimated value is found from a video signal using a temperature estimated value representing the temperature of the panel outer periphery of a display screen of a PDP and a reference value representing the temperature of the panel outer periphery of the PDP
RE39741 Display device and luminance control method therefor July 24, 2007
A temperature difference estimated value is found from a video signal using a temperature estimated value representing the temperature of the panel outer periphery of a display screen of a PDP and a reference value representing the temperature of the panel outer periphery of the PDP
RE39740 Display device and method of controlling its brightness July 24, 2007
A temperature difference estimated value is found from a video signal using a temperature estimated value representing the temperature of the panel outer periphery of a display screen of a PDP and a reference value representing the temperature of the panel outer periphery of the PDP
RE39711 Display device and luminance control method therefor July 3, 2007
A temperature difference estimated value is found from a video signal using a temperature estimated value representing the temperature of the panel outer periphery of a display screen of a PDP and a reference value representing the temperature of the panel outer periphery of the PDP
RE39653 Mark forming apparatus, method of forming laser mark on optical disk, reproducing apparatus, opt May 22, 2007
An object of the present invention is to provide a marking forming apparatus, a method of forming a laser marking on an optical disk, a reproduction apparatus, an optical disk, and a method of manufacturing an optical disk, capable of providing a greatly improved copy prevention capa
RE39652 Multi-media information record device, and a multi-media information playback device May 22, 2007
A CD-ROM 201 for recording multi-media information of at least one page stream. Contents of each page stream are successively recorded in the storage areas in the CD-ROM 201. The following three items are shown by the page stream: a partial image list having at least one pair of partial
RE39612 Communicating apparatus May 8, 2007
In a communicating apparatus, telephone or directory application software can be automatically initiated in a personal computer. An off-hook detecting unit of the apparatus continuously makes a check to determine whether or not an external telephone is set to an off-hook state. If this
RE39455 Video coding method and decoding method and devices thereof January 2, 2007
A new predictive coding is used to increase the temporal frame rate and coding efficiency without introducing excessive delay. Currently the motion vector for the blocks in the bi-directionally predicted frame is derived from the motion vector of the corresponding block in the forward
RE39447 Optical recording/reproducing apparatus for optical disks with various disk substrate thicknesse December 26, 2006
An optical disc apparatus for recording, reproducing or erasing an information signal by converging a light flux onto a recording layer through a transparent substrate. The apparatus includes one or a plurality of optical heads having a plurality of objective lenses whose aberrations
RE39412 Optical information medium, and method and apparatus for fabricating the same November 28, 2006
The disk-shaped optical information medium of this invention includes: a first substrate having a center hole; a second substrate having a center hole; and a radiation curable resin interposed between the first and second substrates for bonding together the first and second substrates,
RE39390 Biosensor November 14, 2006
There is provided a cholesterol sensor with high-accuracy and excellent response, whose object to be measured is whole blood, where plasma with which is obtained by filtering out hemocytes therein filtered in blood can rapidly reach an electrode system. In a biosensor where plasma with

 
 
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