At Patents you can conduct a Patent Search, File a Patent Application, find a Patent Attorney, or search available technology through our Patent Exchange. Patents are available using simple keyword or date criteria. If you are looking to hire a patent attorney, you've come to the right place. Protect your idea and hire a patent lawyer.
Control of amplitude level of baseband signal to be transmitted on the
basis of the number of transmission codes
A baseband signal multiplexing circuit controls an amplitude level of a baseband signal to be transmitted on the basis of the number of transmission codes. A...
Optical fiber amplifier
An optical fiber amplifier whose characteristics are stable is provided. The optical fiber amplifier provides a short wavelength transmitting coupler that...
Facsimile apparatus and communication system, in which data that is not
suitable for displaying on display of...
A facsimile apparatus, includes a radio unit, a display unit and a print unit. The radio unit communicates with a terminal apparatus which can receive one of an...
Liquid crystal display device with roughened surfaces to reduce moire
A liquid crystal display device includes a liquid crystal display panel obtained by adhering upper and lower polarizing plates to upper and lower surfaces,...
Solid state image pick-up device
The solid state image pick-up device comprises a chip wherein an object to be photographed is put directly on the back surface of the chip, a light incident on...
Solid-state image pickup device
The present invention discloses a solid-state image pickup device in which a photoelectric conversion part having a photoelectric conversion region, and a logic...
Printing system using thermal printer
A printing system using a thermal printer capable of readily visually discriminating the background data and sales data, saving waste of paper resources and...
Liquid crystal display unit having incoming pixel data rearrangement
A liquid crystal display (LCD) panel unit is provided with a plurality of source drivers which are functionally divided into first and second source driver...
A coil antenna is disclosed comprising a magnetic core and a wire wound around the magnetic core. The magnetic core is made of a mixture comprising soft magnetic...
Oscillator circuit and semiconductor integrated circuit device
An oscillator circuit includes a crystal oscillating circuit for generating a clock signal using a crystal resonator, an RC oscillating circuit for generating...
Variable drive current driver circuit
Disclosed is a variable drive current driver circuit, comprising: a pair of push-pull circuits for driving a load circuit complementarily; a first current source...
Resin-sealed-type semiconductor device, and production process for
producing such semiconductor device
A resin-sealed type semiconductor device has a mount stage, a semiconductor chip mounted on the stage such that a rear surface of the chip is in contact with the...
Method of deforming a pattern and semiconductor device formed by utilizing
A method of deforming a pattern comprising the steps of: forming, over a substrate, a layered-structure with an upper surface including at least one selected...
Semiconductor device and method of manufacturing the same
A technology of restraining junction leakage in a semiconductor device is to be provided. There is provided a semiconductor device provided with a semiconductor...
A dual damascene structure with a lesser degree of shoulder loss is achieved. In a method for forming a dual damascene structure having a shoulder in an organic...
Flat-type cell and combined battery utilizing the same
The battery is constituted to satisfy B/A.gtoreq.0.57, wherein "A" represents a width of an active material region and "B" represents a width of each electrode...
Computer system, switch connector, and method for controlling operations
of the computer system
A plurality of switch connectors are arranged in each of a plurality of memory slots. Each of the plurality of switch connectors includes a first-type connector...
There is provided a projector apparatus having an image forming optical system including a plate fixed to a housing, and a plurality of reflecting mirrors...
Media cartridge having a small-sized storage medium attachment unit
A disk drive system having a disk-shaped disk storage medium and a disk drive for accessing the disk storage medium including a media cartridge of the same shape...
Delay optimization designing system and delay optimization designing
method for a logic circuit and control program
A delay optimization designing system and method is disclosed by which reduction of outputting delay and setup time of flip-flops and clock skew can be achieved...
Intercommunicating apparatus for duplex system capable of detecting
A parity generating circuit in a 0 side receives input signals on respective signal lines and produces a parity bit based on the input signals. A parallel/serial...
Performance monitoring for optical transmission system
An optical transmission system allowing precise error rate evaluations is disclosed. A transmitting element performs error-correction coding and transmits an...
Personal authentication system, and personal authentication method and
program used therefor
To provide a personal authentication system that enables a client to receive services even if he fails to carry his card or the like with him or loses it, thus...
Radio base station, mobile station, radio receiving apparatus, SIR
estimation method, transmission power...
To implement highly accurate SIR estimation and thereby perform stable transmission power control immediately after starting user communication. A common control...
Method for changing over to different frequency at cellular phone system
and cellular phone system using the...
A method for changing over to different frequency in a cellular phone system, in which lowering the probability generating a call drop and decreasing the power...
Method of determining electric field state of mobile station also in view
of electric field state of uplink
A method of determining the present electric field state of a mobile station also in view of an uplink electric field state is disclosed. A TPC bit counter is...
Portable terminal system
In a portable terminal system having a portable terminal device and an external speaker 6 for converting electrical signals from the portable terminal device to...
Automatic frequency control system, operation control method thereof and
mobile communication device using the same
In a mobile communication device, communication can be resumed upon next communication without causing problem even when an AFC control signal becomes abnormal...
System and method for processing fingerprint/palmprint image
In a fingerprint/palmprint image processing system and method, for local regions other than a highly reliable region, a ridge line image which can be estimated...
Pattern collation device and pattern collating method thereof, and pattern
A pattern collation device for comparing and collating graphic forms includes a deformation estimating unit for estimating deformation generated in a graphic...
Controlling a watermark strength embedded into a digital image
On embedding a watermark in a stream of digital images, a watermark strength is automatically varied in accordance with an amount of the digital images by...
Transmitter with means for complementarily scaling the input and output
signals of a D/A converter
In a spread spectrum transmitter, a number of spread spectrum channel signals are multiplexed into a digital amplitude signal by a multiplexer, and the...
Cell search method in CDMA capable of carrying out a cell search
processing at a high speed
On ending communication, a timer (17) is started in order to watch a communication stop time interval (S1, S2). On staring the next communication, a timer value...
Transmitting and receiving circuit, mobile communication terminal device
employing the same and control method...
A transmitting and receiving circuit, a mobile communication terminal device using the same, a control method and a storage medium storing a control program...
Method for manufacturing liquid crystal display device having the first
substrate and support substrate pressed...
At least one out of two substrates constituting a liquid crystal display device is formed from a plastic substrate. When attaching the plastic substrate to an...
TFT array substrate and active-matrix addressing liquid-crystal display
A TFT array substrate blocks light traveling toward active layers of the TFTs. A patterned first light-shielding layer is formed between a transparent plate and...
Graphics engine, and display driver IC and display module incorporating
the graphics engine
A display driver integrated circuit is provided for connection to a small-area display, the integrated circuit including a hardware-implemented graphics engine...
Antenna apparatus having high receiving efficiency
An antenna apparatus comprise a main antenna line element (22) and a parasitic antenna line element (23) which are located above a conductive plate (21). A...
Selective calling receiver and method of switching alert operation thereof
A selective calling receiver includes first and second tables and a control section. The first table stores in advance setting information for automatically...
Semiconductor memory device and manufacturing method thereof
A semiconductor memory device includes a capacitor which comprises a ferroelectric layer with the perovskite crystal structure which, being expressed by the...
Active matrix substrate having column spacers integral with protective
layer and process for fabrication thereof
An active matrix substrate forms a liquid crystal display panel together with a counter substrate and liquid crystal filling a gap therebetween, and color...
Positive electrode active material, positive electrode and non-aqueous
electrolyte secondary battery using thereof
A positive electrode active material for a secondary battery contains a spinel lithium manganese composite oxide expressed by a general formula of...
Access right managing system, portable terminal, gateway and contents
A gateway manages the right of a portable terminal to access data of various contents services stored in a contents server. When the gateway receives the first...
Arithmetic operation method for cyclic redundancy check and arithmetic
operation circuit for cyclic redundancy...
An arithmetic operation method for a cyclic redundancy check is provided which is capable of performing a high-speed arithmetic operation for the cyclic...
Correlation matrix learning method and apparatus, and storage medium
In an associative matrix training method, calculation between a code word and an associative matrix is performed. The calculation result is compared with a...
Transmitting method and transmitting apparatus
Ideal nonlinear distortion compensation is realized by removing an imperfection of amplitude delay characteristic and an affection of inherent deviation that an...
Method of generating test pattern for integrated circuit
A method for preventing the scale of a circuit from being extended and for preventing noise from being generated by a simultaneous value change in output buffers...
Flip-flop and scan path circuit
A scan path flip-flop so adapted that the value of the flip-flop will not be changed by set and reset signals at the time of a shift operation is provided. The...
System and method for updating encryption key for wireless LAN
System for updating an encrypted key, by means of which the WEP of IEEE 802.11 can be applied to a wireless LAN system having plural APs and a large number of...
System for directly transmitting an image data signal from a scanner
device to a computer terminal via a...
A network scanner apparatus is connected to a least one terminal via a network. A control portion controls the network by the use of a TCP/IP protocol. A readout...