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NEC Corporation Patents
Assignee:
NEC Corporation
Address:
Tokyo, JP
No. of patents:
21292
Patents:












Patent Number Title Of Patent Date Issued
RE43451 Radio base station device setting system and method for re-setting communication configurations June 5, 2012
When an information storage unit of a radio base station setting device includes information related to a CDMA radio base station device which has supplied discrimination information, the radio base station setting device deletes the information from the information storage unit, and
RE43449 Film packaged battery having a cupped portion June 5, 2012
A battery is fabricated on the basis of at least one of the following four concepts, i.e., lead terminals passing through a package not lower than the uppermost surface of an electrolyte cell, lead terminals projecting from a package in directions opposite to each other, a film packa
RE42040 Switching element method of driving switching element rewritable logic integrated circuit and me January 18, 2011
A switching element has an ion conductor capable of conducting metal ions for use in an electrochemical reaction therein, a first electrode and a second electrode which are disposed in contact with said ion conductor and spaced a predetermined distance from each other, and a third el
RE41891 Cellular communication system, and mobile and base stations used in the same October 26, 2010
When a mobile station becomes a soft handover state, a reception quality monitor 104 measures reception quality of a pilot signal from each base station. Base station specifying means 105 generates a base-station select signal (BSse1) to specify base stations that have transmitted pi
RE41370 Adaptive transform coding system, adaptive transform decoding system and adaptive transform codi June 8, 2010
In an adaptive transform coding system and/or and adaptive transform decoding system, coding efficiency in the case where a small number of quantized values having large absolute value are present, is improved. The adaptive transform coding system codes the small number of quantized
RE41131 Portable telephone capable of increasing facility of operation February 16, 2010
In a portable telephone which transmits and receives data having at least one of a voice signal and an image datum which are radio signals, the controlling device controls an amplifier so that a user can hear, at a first state that an ear is not near to a speaker, the voice from the
RE40854 Fast calculation apparatus for carrying out a forward and an inverse transform July 14, 2009
In an apparatus for carrying out a linear transform calculation on a product signal produced by multiplying a predetermined transform window function and an apparatus input signal, an FFT part (23) carries out fast Fourier transform on a processed signal produced by processing the pr
RE39735 Cellular communication system, and mobile and base stations used in the same July 17, 2007
When a mobile station becomes a soft handover state, a reception quality monitor 104 measures reception quality of a pilot signal from each base station. Base station specifying means 105 generates a base-station select signal (BSse1) to specify base stations that have transmitted pi
RE39603 Process for manufacturing semiconductor device and semiconductor wafer May 1, 2007
A process for manufacturing a semiconductor device includes defining chip sections on a wafer by scribe lines with each chip section having chip electrodes formed thereon. The wafer is covered with a passivating film except for on the chip electrodes. Aluminum interconnection layers are
RE39345 Audio/Video/Computer graphics synchronous reproducing/synthesizing system and method October 17, 2006
In an audio/video/computer graphics data synchronous reproducing/synthesizing system, a demultiplexer separates a bit stream in which an audio signal, a video signal, and computer graphics data are compressed and multiplexed, into compressed audio and video signal streams, audio and
RE38593 Adaptive transform coding system, adaptive transform decoding system and adaptive transform codi September 21, 2004
In an adaptive transform coding system and/or and adaptive transform decoding system, coding efficiency in the case where a small number of quantized values having large absolute value are present, is improved. The adaptive transform coding system codes the small number of quantized
RE38527 Thermal-type infrared imaging device June 8, 2004
A thermal-type infrared imaging device includes a first thermo-electric converting element (101) for generating an electric signal which corresponds to temperature determined according to heat generated by absorbing an incident infrared ray, a first bipolar transistor (102) having it
RE37621 Optical communication transmission system April 2, 2002
An optical communication transmission system including an optical amplifier lumped repeater system of the present invention includes, for the purpose of preventing degradation of the transmission characteristic arising from wavelength dispersion of optical fibers due to raised power of t
RE37551 Display controller and display control method for multiscan liquid crystal display February 19, 2002
A display controller including a frequency discriminator for attaining modes of horizontal and vertical frequencies of video signals inputted thereto according to horizontal and vertical sync signals, a memory for setting therein a screen mode matching the input video signals according
RE37453 Ink jet print head November 27, 2001
An ink jet print head comprises a substrate formed with a heating resistor, an ink path defining member for defining an ink supply path, and an orifice plate, and in the orifice plate, there is formed an ink outlet at the position opposing the heating resistor. Further, a heating zone
RE37232 Delay circuit device June 19, 2001
A delay circuit device is described which includes a first delay circuit series that can extract output from any position on a transmission path of a signal, a second delay circuit series that can enter input from any position on a transmission path of a signal, and a control circuit hav
RE36621 Semiconductor memory device March 21, 2000
The semiconductor memory device comprises a memory array (9) and a data bus line (1) for transferring read and write data between the memory array and an input buffer (IB) and an output buffer (OB) and also transferring an information indicating read or write mode operation. The data bus
RE36309 Handoff method for cellular digital mobile communication system and mobile station September 21, 1999
According to a handoff method for a cellular digital mobile communication system, a communication test of a new channel is performed by utilizing a free time of a time-divisionally multiplexed channel. A mobile station of this invention includes a communication circuit for performing
RE36203 Semiconductor memory circuit April 27, 1999
This semiconductor circuit includes a plurality of memory cell arrays arranged mutually adjacent in one direction, a plurality of first selection/sense amplifier circuits provided in the respective regions between mutually adjacent pairs of these memory cell arrays and make access to
RE35934 Semiconductor memory device synchronous with external clock signal for outputting data bits thro October 27, 1998
A synchronous dynamic random access memory device allows an external device to sequentially access read-out data bits in synchronous with a system clock signal, and a column addressing system incorporated in the synchronous dynamic random access memory device forms a plurlaity of pip
RE34182 Radio pager February 23, 1993
CLAIM.[.A radio pager, as shown..]. .Iadd.The ornamental design for a radio pager, as shown..Iaddend.DESCRIPTION.[.FIG. 1 is a front, top and right side perspective view of a radio pager showing our new design;.]. .Iadd.FIG. 1 is a top, front and left side perspective view of a radio pag
RE33676 Gate array circuit for decoding circuits August 27, 1991
A decoder circuit for decoding different combinations of supplied original input address bits, comprising at least one predecode circuit responsive to the original input address bits for producing predecoded signal bits from the input address bits, and a plurality of decoder units includ
D632285 Antenna February 8, 2011
D632284 Antenna February 8, 2011
D621834 Information terminal device August 17, 2010
D619568 Antenna July 13, 2010
D609700 Antenna February 9, 2010
D603385 Antenna November 3, 2009
D603384 Antenna November 3, 2009
D594009 Personal computer June 9, 2009
D588593 Computer March 17, 2009
D588059 Charging unit for robot March 10, 2009
D587259 Computer February 24, 2009
D576162 Arithmetic and control unit for computer September 2, 2008
D565875 Front panel for storage April 8, 2008
D565874 Front panel for storage April 8, 2008
D544477 Computer June 12, 2007
D537077 Magnetic cartridge tape storage February 20, 2007
D535989 Computer January 30, 2007
D532767 Portable wireless telephone November 28, 2006
D528540 Computer server September 19, 2006
D525969 Computer server August 1, 2006
D524787 Portable wireless telephone July 11, 2006
D523427 Computer June 20, 2006
D519996 Computer May 2, 2006
D518461 Portable wireless telephone April 4, 2006
D516574 Menu display for a mobile phone March 7, 2006
D515564 Memory storage device for computer February 21, 2006
D512713 Portable wireless telephone December 13, 2005
D511514 Data input device November 15, 2005

 
 
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