Quotables
"That’s an amazing invention, but who would ever want to use one of them?"
President Rutherford B. Hayes ; Said in 1876, after Alexander Graham Bell demonstrated the telephone to him at the White House
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7505285 | Main board for backplane buses A motherboard for backplane buses is provided that reduces noise due to entry of external signals into signal wiring which interconnects modules, or noise due to any external signals entering a power supply after being routed around the power supply. An EBG p... | 03/17/2009 |
| 7477217 | D/A converter circuit, organic EL drive circuit and organic EL display device A current mirror type D/A converter circuit is constructed with transistor cells each including a MOS transistor, a gate region of which MOS transistor has folded stripe configuration in a plan view thereof, or a current flowing direction in a channel of which is a ... | 01/13/2009 |
| 7453147 | Semiconductor device, its manufacturing method, and radio communication device The variation of the parasitic inductance generated at the output terminal of a transistor in the final stage of a multistage amplifier unit is reduced. One side of the semiconductor chip that includes the final stage transistor is put in contact with the inner wall... | 11/18/2008 |
| 7398448 | Storage system has the function of preventing drive write error A storage technology for improving reliability in writing host data to a storage device is provided. A first check code based on write data is stored in cache memory 370, and storage section 50 is instructed to write, in specified predetermined storage... | 07/08/2008 |
| 7391099 | Optical modulator module A high frequency substrate, on which a high frequency substrate transmission line for connecting a chip carrier transmission line and a package substrate transmission line is formed, is mounted while being inclined with respect to a package, so that each distance be... | 06/24/2008 |
| 7364605 | Photo-electronic air purifying disinfector A photo-electronic air purifying disinfector firstly filters out airborne impurities using a washable filter screen. It then utilizes an activated carbon filter to filter out airborne bacteria and germs. The bacteria and germs which are capable of passing through th... | 04/29/2008 |
| 7346732 | Storage system The storage system includes a disk controller for receiving write commands from a computer, and a plurality of disk devices in which data is written in accordance with the control of the disk controller. The size of the first block which constitutes the data unit ha... | 03/18/2008 |
| RE40132 | Large scale integrated circuit with sense amplifier circuits for low voltage operation Disclosed is a one-chip ULSI which can carry out the fixed operation in a wide range of power supply voltage (1 V to 5.5 V). This one-chip ULSI is composed of a voltage converter circuit(s) which serves to a fixed internal voltage for a wide range of power supply vo... | 03/04/2008 |
| 7332966 | High frequency power amplifier circuit A high frequency power amplifier circuit includes amplifying devices whose control terminals (gate or base terminals) are supplied with a bias voltage. The high frequency power amplifier circuit keeps constant the bias voltage so that the amplifying devices operate ... | 02/19/2008 |
| 7333191 | Scanning probe microscope and measurement method using the same A scanning probe microscope has a cantilever with a probe facing a sample and a measurement section for measuring a physical quantity occurring between the probe and the sample when the probe scans a surface of the sample, holding the physical quantity constant to m... | 02/19/2008 |
| 7318110 | Storage system, storage device and information common sharing method by utilizing storage device The storage device is provided with a synchronization controller to realize synchronization control of information for the other storage devices when information is updated. This synchronization controller is further provided with a synchronization level registratio... | 01/08/2008 |
| 7315173 | Method of measuring electric field distribution and electric field distribution measuring instrument A method and apparatus for measuring an electric field distribution according to the present invention calculates a distribution of electric field intensity and its direction at arbitrary positions on the surface of the electronic apparatus or its circumference with... | 01/01/2008 |
| 7312640 | Semiconductor integrated circuit device having power reduction mechanism A semiconductor integrated circuit device is composed of logic gates each provided with at least two MOS transistors. The logic gates are connected to a first potential point and a second potential point. The semiconductor integrated circuit device includes a curren... | 12/25/2007 |
| 7301989 | Wireless communication system and transmit power and data rate control method therefor When channel-coded data is transmitted in a wireless communication system, coded data is divided into a plurality of bandwidths and the signal power is distributed to the bandwidths so that the communication channel capacity is increased. In addition, the transmissi... | 11/27/2007 |
| 7301669 | Color printing apparatus A color printing apparatus includes a printer driver for receiving a print instruction of print data issued from an application program, and for rasterizing the print data to produce con-tone/multi-bits bitmap data and bi-tone/single-bit bitmap data; a page memory f... | 11/27/2007 |
| 7299790 | Control device of high-pressure fuel pump of internal combustion engine A control device of a high-pressure fuel pump of an internal combustion engine capable of improving stability in controlling the drive of the high-pressure fuel pump by limiting the end timing of a drive signal of the high-pressure fuel pump and driving an actuator ... | 11/27/2007 |
| 7298781 | Method of coding and decoding image A method of simplifying the arithmetic operation in a global motion compensation process approximates the motion vector field of the whole image without using many parameters. Motion vectors in the global motion compensation are found by the interpolation and/or ext... | 11/20/2007 |
| 7283439 | Optical disk apparatus using mechanism for controlling spherical aberration In the past there has been a problem that on a detection surface the influence of interference causes a defocusing signal to degrade, narrowing the range in which spherical aberration can be stably detected. Accordingly, a diffraction grating is used to focus the in... | 10/16/2007 |
| 7273515 | Photo-electronic air purifying and conditioning system A 4-in-1 photo-electronic air purifying and conditioning system, which utilizes alternating current suitable for use in all weather conditions has activated carbon filters used in the first stage to eliminate impurities, germs and bacteria in the air drawn into the ... | 09/25/2007 |
| 7272852 | Reserve/release control method Reserve and release of a target device is managed using access permission IDs issued to a privileged device, such as a host computer. A second storage device, as the target device, is able to be shared by multiple first storage devices using the access permission ID... | 09/18/2007 |
| 7256584 | Method and system for measuring partial discharge In the measurement of partial discharge, a voltage detected by an antenna is input to a spectrum analyzer and a phase difference between an operating voltage and a power supply of the spectrum analyzer is obtained by phase domain analysis using the spectrum analyzer... | 08/14/2007 |
| 7255088 | Engine control system for construction machine An engine control system includes pressure sensors (73, 74), position sensors (75, 76), pressure sensors (77, 78), a target revolution speed modification value computing unit (90), and a modification value adder (70r). A tar... | 08/14/2007 |
| 7254082 | Semiconductor device When a leakage current of a circuit block under a non-use state is reduced by means of a power switch, frequent ON/OFF operations of the switch within a short time invite an increase of consumed power, on the contrary. Because a pre-heating time is necessary from tu... | 08/07/2007 |
| 7254680 | Semiconductor integrated circuit and data processing system To enhance the speed of first access (read access different in word line from the previous access) to a multi-bank memory, multi-bank memory macro structures are used. Data are held in a sense amplifier for every memory bank. When access is hit to the held data, dat... | 08/07/2007 |
| 7245745 | Personal authentication device A compact authentication device that prevents user from feeling pressure and is strong against external light, when capturing an image of a finger blood vessel pattern with transmitted light. The device includes a guidance part for determining the finger position, a... | 07/17/2007 |
| 7245184 | High frequency power amplifier circuit, high frequency power amplifier electronic component and method thereof A high frequency power amplifier electronic component (RF power module) is so constituted as to apply bias to an amplifier FET in current mirror configuration. In this RF power module, deviation of a bias point due to the short channel effect of the FET is corrected... | 07/17/2007 |
| 7080240 | Data processing apparatus A data processor apparatus having first and second instruction storages for holding a series of instructions to be executed reiteratively. The number of instructions is calculated based on the difference between a start address and an end address respectively stored... | 07/18/2006 |
| 7080224 | Data processing method with restricted data arrangement, storage area management method, and data processing system When copying corporate business data, etc., it is desired to execute data management excellent in security protection by preventing violation of rules or leaking out of secret information attributed to wrong operation of an administrator. For this purpose, in... | 07/18/2006 |
| 7071580 | Uninterruptible power supply apparatus An uninterruptible power supply apparatus is equipped with a power supply input section a 2 and a power supply input section b 3 that receive two systems of power supply, respectively; a power supply output section a 4 and a power supply output ... | 07/04/2006 |
| 6973334 | Cellular telephone A cellular telephone includes a receiver connected to an antenna through a duplexer. The receiver converts a first communication signal into a voice signal code, and outputs a signal indicating an intensity of the first communication signal. The cellular telephone a... | 12/06/2005 |
