Searching:
Search by keyword, patent number, inventor, assignee, city or state:
| Patent # | Description |
|---|---|
| US-7,555,286 |
Authentication card and wireless authentication system performing mutual
authentication by means of the... The present invention provides an authentication card inserted to a portable device. The authentication card 1 is inserted (installed) in a cellular phone 30 and... |
| US-7,555,285 |
Detection of cloned communication united based on message contents A method (FIG. 3), corresponding call screening unit, and base station (FIG. 2), suitable for detecting cloned communication units (111 or 113), are operable to... |
| US-7,555,284 |
Method and a device for providing digital tickets in a mobile
communications environment A handheld device (100) is capable of communicating wirelessly with a ticket issuer (200) through a network (300) or by using a short-range link such as... |
| US-7,555,283 |
Communication system and method for mobile and stationary devices A communication system for mobile and stationary devices has at least one transmitter/receiver unit provided for the mobile and stationary devices and covering a... |
| US-7,555,282 |
Methods and systems for retrieving data stored in a database A computer-implemented, transaction-making, municipal bond trading system having a capability to conduct a private electronic auction of bid wanteds between a... |
| US-7,555,281 |
RF receiving apparatus A level comparator supplied with oscillation signal of local oscillator for comparing the signal level of oscillation signal with a certain predetermined... |
| US-7,555,280 |
Apparatus for frequency direct conversion reception in mobile
communication terminal and method thereof An apparatus for frequency direct conversion reception in a mobile communication terminal and method thereof are disclosed, by which a DC offset can be removed.... |
| US-7,555,279 |
Systems and methods for DC offset correction in a direct conversion RF
receiver Systems and methods for DC offset correction in analog and digital direct conversion RF receivers. A time derivate and subsequent integration of in-phase and... |
| US-7,555,278 |
Unconditionally stable filter An unconditionally stable on-chip filter includes a filtering section and at least one negative resistance module. The filtering section is operably coupled to... |
| US-7,555,277 |
System for reception of digitally modulated radio signals to a vehicle,
using antenna diversity A reception system for motor vehicles having a diversity antenna system with a plurality of antennas and an antenna switch coupled to a receiver for the... |
| US-7,555,276 |
Devices, methods, and computer program products for controlling power
transfer to an antenna in a wireless... A wireless mobile terminal includes an antenna, a power amplifier coupled to the antenna, a power detector coupled to an output of the power amplifier, a phase... |
| US-7,555,275 |
Systems, methods and devices for dual closed loop modulation controller
for nonlinear RF amplifier In accordance with various exemplary embodiments of the present invention, systems, methods and devices are configured to facilitate RF envelope amplitude... |
| US-7,555,274 |
Radio receiver and radio receiving method A radio receiver comprises an LNA which amplifies An RF signal, a quadrature demodulator which directly demodulates the amplified RF signal into a B/B signal,... |
| US-7,555,273 |
Bandpass filter with carrier frequency reduction A bandpass filtering method in which two frequency transpositions are performed in parallel on an input signal (SE) for filtering using respective first and... |
| US-7,555,272 |
Transmission arrangement for transmitting data continuously in the time
domain A transmission arrangement is provided for transmitting data continuously in the time domain. The arrangement includes at least one programmable amplifier in the... |
| US-7,555,271 |
Single side band transmissions A method for single side band transmissions begins by mixing, in a current domain, an in-phase component of outbound formatted data with an in-phase component of... |
| US-7,555,270 |
Wide dynamic range power detection in a communication system Power detection system and method provide for a wide dynamic range power detection. The system may incorporate a coupler to sample a transmitted or received... |
| US-7,555,269 |
Adaptive modulation scheme and coding rate control method A radio communication system for enabling control of a modulation scheme following variation in the propagation channel and control of a coding rate in a small... |
| US-7,555,268 |
RF transmitter having multiple constant transmit power levels A radio frequency transmitter includes a baseband transmit processing module, a mixing module, a power amplifier, a transmit power sense module, and a transmit... |
| US-7,555,267 |
Network communication system wherein a node obtains resources for
transmitting data by transmitting two... A network node in a communication system makes two reservation requests to a controller node in order for the network node to obtain resources from the... |
| US-7,555,266 |
Method and communication system for estimating an error covariance matrix
for the downlink in cellular mobile... Data is transmitted in a radio communication system having two or more base stations that are located in the network and having additional radio stations, which... |
| US-7,555,265 |
Information delivery system, information delivery method, mobile unit,
server, and information delivery terminal In an information delivery system, information desired by the user can be obtained while improving security of the system. A portable terminal registers a... |
| US-7,555,264 |
Bluetooth master selecting method, bluetooth master selecting program and
bluetooth apparatus The present invention provides a method for automatically selecting, as a master, an optimum Bluetooth device for the master which can be stably connected to... |
| US-7,555,263 |
Adaptive radio transceiver An exemplary embodiment of the present invention described and shown in the specification and drawings is a transceiver with a receiver, a transmitter, a local... |
| US-7,555,262 |
Radio frequency interference monitor A method for monitoring radio frequency interference (RFI) in a pass band of a satellite signal is provided. The satellite signal includes a carrier signal... |
| US-7,555,261 |
Repeater system for strong signal environments A repeater system combines co-located antennas, an intentional imbalance in signal amplification between downlink and uplink, stability management and an... |
| US-7,555,260 |
Communications network extension via the spontaneous generation of new
cells A cell phone base station transceiver capable of spontaneously and substantially automatically creating a new additional cells in a communication network. The... |
| US-7,555,259 |
Digital broadcast receiver A digital broadcast receiver (mobile's receiver terminal) 1 for receiving a digital broadcast signal DS carrying many contents and also outputting the content... |
| US-7,555,258 |
Integrated circuit device and low noise block down converter including
same A switch block 1 includes: N inputs; M outputs; N amplification sections each of which amplifies one of each pair of 2N input signals which are generated by... |
| US-7,555,257 |
Stock channel and news channel The present invention provides a stocks channel and a news channel to a user on a mobile device. Stocks based content associated with a stocks channel and news... |
| US-7,555,256 |
Development unit with toner recovery for an image forming apparatus and
process An image forming apparatus includes: an image carrier; a development unit for forming a toner image on the image carrier by supplying a toner contained in a... |
| US-7,555,255 |
Image forming apparatus The image forming apparatus includes image forming device for forming a toner image on a recording material, a residual toner collecting container detachably... |
| US-7,555,254 |
Cleaning device, and fusing device and image forming apparatus, provided
with the cleaning device A cleaning device includes a cleaning web, a supply roller, a take-up roller, and a control section. Positioned in contact with a circumferential surface of a... |
| US-7,555,253 |
Semiconductive rubber member and developing roller composed of
semiconductive rubber member A developing roller including a semiconductive rubber member having not less than two vulcanized layers including a base layer composed of a vulcanized... |
| US-7,555,252 |
Image forming apparatus that prevents conspicuous unevenness in image
density An image forming apparatus includes: an image bearing body that is rotatable about a central axis thereof, and that bears a dot-like latent image, on a surface... |
| US-7,555,251 |
Image forming apparatus and toner cartridge An image forming apparatus includes: an image carrier on which an electrostatic latent image is formed; a toner cartridge detachably mountable to the image... |
| US-7,555,250 |
Toner cartridge, and shutter structure for the same A toner cartridge includes a container main body includes a toner outlet, a shutter mechanism for opening and closing the toner outlet, a lever for operating the... |
| US-7,555,249 |
Process cartridge, developer supply cartridge and electrophotographic
image forming apparatus A developer supply cartridge supplies developer into a process cartridge and is detachably mountable to a main assembly of an electrophotographic image forming... |
| US-7,555,248 |
Developing unit connection for toner supply device A developing unit is disclosed that includes a sub rotary developing unit, a toner supply device, and a drive device. The sub rotary developing unit has a... |
| US-7,555,247 |
Toner conveying device, developing device, and image forming device having
the same A developing device includes a container for containing toner, a rotatable shaft provided in the container, a spiral shaped blade formed on an outer ... |
| US-7,555,246 |
Development sub-system in-line cleaning system An electrophotographic printing machine of the type in which an electrostatic latent image recorded on a charge retentive surface is developed with toner... |
| US-7,555,245 |
Image forming apparatus with cam members An image forming apparatus includes a detaching and pressing mechanism for releasing developing rollers of developer cartridges mounted in a drum unit from... |
| US-7,555,244 |
Image forming apparatus with a latent image writing unit positioned and
biased against positioning errors In an image forming apparatus, a photoreceptor carries a latent image on its looped surface. An optical writing unit moves between an operating position at which... |
| US-7,555,243 |
Charging member, process cartridge including the same, and image forming
apparatus including the same A charging member, which can be provided in a process cartridge and/or in an image forming apparatus, includes a conductive supporting member, an electrical... |
| US-7,555,242 |
Image forming apparatus having drive system according to loads An image forming apparatus includes a plurality of image bearing members for forming toner images, a plurality of driven members respectively acting on the... |
| US-7,555,241 |
Image forming device using a single-layer-type electrophotographic
photoconductor and image forming method... An image forming apparatus which can exhibit an excellent charge eliminating effect by erasing a transfer memory using a precharging device with optimized... |
| US-7,555,240 |
Cover members for an image forming apparatus An image forming apparatus is provided that easily allows for removal of paper jams, reduces space for disposing a locking means of a cover, and saves production... |
| US-7,555,239 |
Image forming device and fixing unit A fixing unit is disposed at a position closer to a rear side wall than to a front side wall of a casing. A top wall is formed with a depressed portion depressed... |
| US-7,555,238 |
Image-forming device and angularly shifted belt unit In an image-forming device, a belt unit is detachably mounted in the housing. The belt unit moves to an installation position along a linear insertion/removal... |
| US-7,555,237 |
Positioning mechanism for positioning a developing apparatus and related
developing apparatus A positioning mechanism for positioning a developing apparatus is disclosed. The positioning mechanism includes a base. A guide slot is formed on the base for... |
Copyright 2008−2012 Patents.com
