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| Patent # | Description |
|---|---|
| US-7,539,481 |
Method for connecting a wireless access point to a wired access point by
chaining together wireless access points An architecture and methods for extending the depth of a WLAN to a four-level hierarchal access point structure including wireless access points. The wireless... |
| US-7,539,480 |
Toll-free calling account recharge system and method A calling account recharge system, method, and device are provided. The device has an associated stored-value calling account, and typically includes a selector,... |
| US-7,539,479 |
Use of T1 facility data link to transport status and configuration data
packets for loop-powered T1 radio In order to configure and monitor the operation of a span-powered T1 radio, use is made of the out-of-band facility data link channel that is available within an... |
| US-7,539,478 |
Select content audio playback system for automobiles The present invention provides a large capacity, user defined audio content delivery system. The system delivers uninterrupted music and delivers information... |
| US-7,539,477 |
Wireless LAN apparatus and semiconductor device A wireless LAN apparatus is disclosed that includes a module group section that is connected to an upper level CPU of an upper level apparatus, an RF processing... |
| US-7,539,476 |
RF-to-baseband receiver architecture An improved receiver architecture and method for a wireless transceiver (e.g. for a headphone) is provided whereby the receiver, advantageously, enables the use... |
| US-7,539,475 |
Wireless terminal methods and apparatus for DC tone special treatment Special DC tone treatment in a wireless communications system, e.g., an OFDM system, is discussed. In the downlink, a wireless terminal receiver introduces... |
| US-7,539,474 |
DC offset, re-radiation, and I/Q solutions using universal frequency
translation technology Methods, systems, and apparatuses for down-converting an electromagnetic (EM) signal by aliasing the EM signal, and applications thereof are described herein.... |
| US-7,539,473 |
Overshoot reduction in VCO calibration for serial link phase lock loop
(PLL) A circuit design, method, and system for tracking VCO calibration without requiring an over-designed divider as in conventional implementation. A filter reset... |
| US-7,539,472 |
Type-ahead keypad input for an input device Type-ahead keypad input is described. In an embodiment, keypad inputs that are entered as characters of a search term on a keypad of an input device, such as a... |
| US-7,539,471 |
Method and apparatus to provide variable gain in a radio receiver front
end An RF receiver front end includes a variable gain low noise amplifier and/or a variable gain mixer to provide gain variability in the receiver. This gain... |
| US-7,539,470 |
Tracking filter for selecting channel of wideband frequency The present invention relates to a filter, and more particularly, to a tracking filter for selecting a channel of a wideband frequency. The tracking filter for... |
| US-7,539,469 |
Input control system for high frequency receiver A receiver may receive and process broadcasting signals in digital and analog forms. The receiver may include an amplifying input stage, a digital signal... |
| US-7,539,468 |
Communication terminal device and amplification circuit Power consumed by a power-variable amplifying unit for amplifying and supplying data to an antenna in a mobile telephone carrying out data transmission by... |
| US-7,539,467 |
Low leakage IC input structures including slaved standby current shut-off
and increased gain for tighter hysteresis Leakage current at the inputs of an integrated circuit can be reduced by providing a master/slave arrangement wherein a plurality of slave inputs are controlled... |
| US-7,539,466 |
Amplifier with varying supply voltage and input attenuation based upon
supply voltage A radio frequency amplifier module (500) has a voltage monitor (546) that monitors an input supply voltage of an input power supply (534) and an adjustable power... |
| US-7,539,465 |
Tuning an RFID reader with electronic switches A reader for an RFID system includes a signal driver for generating an excitation signal and a resonant circuit having an adjustable resonant circuit capacitance... |
| US-7,539,464 |
Power series type predistorter for multi-frequency bands operation A power series type predistorter for multi-frequency bands includes a linear transmission path P.sub.L provided with a delay element 5 and distortion generating... |
| US-7,539,463 |
Techniques to enhance diversity for a wireless system A system, apparatus, method and article to manage diversity for a wireless multicarrier communication system are described. An apparatus may include a diversity... |
| US-7,539,462 |
Configurable multi-mode modulation system and transmitter A multi-mode transmitter architecture is configurable for multiple modulation modes using either polar or polar-lite modulation. Multiplexed signal paths and... |
| US-7,539,461 |
Radio apparatus, and method and program for controlling spatial path A PDMA terminal establishes communication by forming a plurality of spatial paths to another single radio apparatus. A plurality of antennas constituting an... |
| US-7,539,460 |
Method and tester for determining an error rate of a mobile-telephone
device, especially for USF-BLER A method and apparatus for determining an error rate is described, in which a transmission block having an allocation signal is received by a mobile... |
| US-7,539,459 |
Active noise cancellation system, arrangement, and method Noise of a noise-producing object may be at least partially cancelled by a system that emits sound at a polarity substantially opposite to a polarity of detected... |
| US-7,539,458 |
Apparatus and method for a system architecture for multiple antenna
wireless communication systems using round... A multiple antenna wireless system including a transmitter and a receiver comprises a reconfigurable large antenna array having a plurality of antennas. A... |
| US-7,539,457 |
Method and apparatus for communicating with seven or more terminals
efficiently in bluetooth system Disclosed are a method and an apparatus for communicating with seven or more terminals in a Bluetooth system of a Wireless Personal Area Network (W-PAN). In the... |
| US-7,539,456 |
Spread spectrum communication system using a quasi-geostationary satellite The invention refers to a satellite communications system with a mobile user terminal. In order to provide a satellite communications system which enables... |
| US-7,539,455 |
Image forming apparatus An image forming apparatus of the present invention carries out an image processing with respect to image information which is to be printed. The image forming... |
| US-7,539,454 |
Printing apparatus and printing method In a conventional printing apparatus with a plurality of paper feed ports, since a paper type limits the paper feed port usable for paper feed, a user must know... |
| US-7,539,453 |
Printer capable of reserving sheet wrapping width To provide a printer capable of minimizing the effect of a wrapping member, which is used for wrapping a recording form around a photoconductor, on image quality... |
| US-7,539,452 |
Waste toner collecting apparatus, image forming apparatus and process
cartridge of image forming apparatus A waste toner collecting apparatus of the present invention reliably prevents waste toner from spilling when replacing the waste toner box by opening the front... |
| US-7,539,451 |
Image forming apparatus and toner An image forming apparatus having an image support body configured to support a latent image, a charging member configured to provide a substantially uniform... |
| US-7,539,450 |
Image fixing apparatus and image forming apparatus that maintains high
efficiency in heat generation and... An image fixing apparatus stably maintains high efficiency in heat generation and reduces loss of electric power consumption for fixing an image, which includes... |
| US-7,539,449 |
Image heating apparatus A fixing apparatus 50 capable of reducing noise during a fixing operation using a fixing belt 1 having a metal layer includes the fixing belt 1 stretched between... |
| US-7,539,448 |
Image-forming device for suppressing vibration of guide plate and jams of
recording sheet An image-forming device includes a photosensitive drum, a transfer roller, a guide plate for guiding the paper toward the photosensitive drum, and a seat for... |
| US-7,539,447 |
Image-forming device for absorbing vibration of guide plate An image-forming device includes a photosensitive drum, a transfer roller, a guide plate for guiding the paper toward the photosensitive drum, and a sponge fixed... |
| US-7,539,446 |
Process cartridge and image forming apparatus with flexible guide members A first guide member and a second guide member, which are flexible, are disposed at an upstream side of a transfer position. The first guide member is fixed at a... |
| US-7,539,445 |
Developer supply container and image forming apparatus A developer supply container detachably mountable to a main assembly of an image forming apparatus includes a developer discharge opening to be disposed opposite... |
| US-7,539,444 |
Electrophotographic apparatus using a developing solution containing a
liquid carrier formed by dispersing... According to an embodiment, an image shift can be decreased by a photoconductor belt which has a photosensitive layer formed on the surface of a cylindrically... |
| US-7,539,443 |
Charging roller and image forming apparatus A charging roller is provided. The charging roller is configured to face an image carrier at a predetermined charging gap and charge the image carrier in a... |
| US-7,539,442 |
Charging unit, process unit including the same, and image forming
apparatus including the same A charging unit available in a process unit detachably attached to an image forming apparatus includes a charging member configured to uniformly charge a surface... |
| US-7,539,440 |
Magnetic monocomponent developer and image forming method The present invention provides a magnetic monocomponent developer which can obtain a stable conveying performance for a long period and an image forming method... |
| US-7,539,439 |
Image carrier toner unit and image forming apparatus A disclosed image carrier toner unit includes: an image carrier; a supporting member configured to be integrated with the image carrier, the supporting member... |
| US-7,539,438 |
Cleaning blade seal An apparatus for a printing device includes a roller, a sealing member defining a generally C-shaped indentation, and a cleaning blade positioned against the... |
| US-7,539,437 |
Image forming apparatus including a toner stain removal device for
removing a toner stain adhering to a rear... An image forming apparatus includes an image bearing member for bearing a toner image; a transfer device for transferring the toner image onto a sheet from the... |
| US-7,539,436 |
Image forming apparatus provided with a cooling mechanism for cooling
portions An image forming apparatus is provided with a cooling mechanism mechanism having an air-cooling fan and a cooling duct for guiding cooling air from this... |
| US-7,539,435 |
Image forming apparatus with isolating member for powder developer An isolating wall is provided for isolating, from a space outside the isolation wall, a space including: a photosensitive drum; a developing unit; a charging... |
| US-7,539,434 |
Image forming apparatus and method for use with an external controller An image forming apparatus of an example of the invention includes first connecting means for receiving image data, second connecting means for receiving control... |
| US-7,539,433 |
Image forming apparatus In a case where a display unit displays a setting screen having a first display area to display a draft graphical image in accordance with draft setting and a... |
| US-7,539,432 |
Image forming apparatus An image forming apparatus includes a photoreceptor, a photoreceptor cleaner configured to clean the photoreceptor, a belt configured to be arranged opposite to... |
| US-7,539,431 |
Image forming apparatus and techniques for collecting toner In an image forming apparatus that forms a toner image on a sheet of paper, a technique for achieving adequate toner collection from the photoconductive surface... |
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