Patents

Searching:





Search by keyword, patent number, inventor, assignee, city or state:




Patent # Description
US-7,548,620 Token provisioning
A method for provisioning a device such as a token. The device issues a certificate request to a Certification Authority. The request includes a public...
US-7,548,619 System and method for copy protection for digital signals
Embodiments of the present invention provide for the copy protection of distributed material after conditional access is applied, regardless of where the...
US-7,548,618 Converter, encryption/decryption system, multi-stage converter, converting method, multi-stage converting...
A converter uses a predetermined parameter a. A generating unit accepts generated inputs x.sub.1, . . . , x.sub.n, and generates generated outputs, y.sub.1, . ....
US-7,548,617 Bluetooth earphone
This invention relates to Bluetooth earphone. Existing Bluetooth earphones have some problems: users must wear the earphone to use it, so that the user will feel...
US-7,548,616 Termination device for a telephone line
A termination device for a telephone line of a wire based telephone system, said termination device (30) comprising: a high pass filter (39) for separating...
US-7,548,615 Rate validation system and method
The present invention facilitates automated audits for systems storing travel services rates based on special or negotiated pricing structures. The invention...
US-7,548,614 Audible announcement played to calling party before establishment of two party stable call
An audible announcement is played to a calling party, upon initiation of a call to a called party, before establishment of the call as a two party stable call...
US-7,548,613 Method of transmitting one text message to many receivers
A method of transmitting one text message to a plurality of receivers is disclosed. The method includes inputting numbers of the receivers and a text message to...
US-7,548,612 Common gateway to call control systems
A method of and apparatus for supporting intelligent call routing (ICR) systems multiple vendors, in a vendor neutral fashion using a computer is described. One...
US-7,548,611 Method and system for reporting events in telecommunication networks
Methods and systems are provided for reporting to subscribers, wireless network events in a plurality of formats and languages depending upon the particular...
US-7,548,610 Voice-activated geographically based telephone routing system and method
A method and system for determining, through voice recognition, the geographic location of the initiator of a telephone call. The initiator dials a specified...
US-7,548,609 Process for scalable conversation recording
A system and a method for selectively intercepting audio and video conversations over a wide area computer network, for monitoring, storing, and contributing to...
US-7,548,608 Flat X-ray detector and method for controlling the image dose emitted by an X-ray tube to a flat X-ray detector...
According to at least one embodiment of the invention, the measurement of an image dose is performed in the flat X-ray detector itself. The flat X-ray detector,...
US-7,548,607 Refractive x-ray element
For reducing absorption in a refractive element, the present invention relates to a refractive element (10, 20), suitable for refracting x-rays, comprising a...
US-7,548,606 System and method for integrating explosive detection systems
An integrated detection system that includes a first threat detection apparatus and a second threat detection apparatus is provided. The first threat detection...
US-7,548,605 Medical imaging apparatus
A medical imaging apparatus is disclosed, which is configurable for generating mammographic images. The apparatus includes a radiation source for emitting a test...
US-7,548,604 Method and apparatus for reduction of metal artifacts in CT imaging
A method and apparatus for reducing artifacts in image data generated by a computed tomography system is provided. The artifacts are due to the presence of a...
US-7,548,603 Method and apparatus for exact cone beam computed tomography
The invention relates to a computed tomography method in which an examination zone is irradiated along a helical trajectory by a conical radiation beam. The...
US-7,548,602 Spacer grid with mixing vanes and nuclear fuel assembly employing the same
A spacer grid having tunable mixing vanes for optimizing coolant flow is provided for a nuclear fuel assembly. The mixing vanes include an upper piece and a...
US-7,548,601 Slave device with synchronous interface for use in synchronous memory system
A method of operating a master/slave system includes the step of identifying a master receive data phase value to coordinate the transfer of data from a slave...
US-7,548,600 Apparatus and method for compensating the drift of a local clock used as sampling frequency
The invention relates to an apparatus and a method for data acquisition, the apparatus being characterized in that it comprises an analog/digital converter (510)...
US-7,548,599 Method and apparatus for reducing cross-talk with reduced redundancies
A method and apparatus are disclosed for reducing cross-talk in an unbalanced channel with a reduced number of redundancies. A cross-talk canceller is disclosed...
US-7,548,598 Method and apparatus for iteratively improving the performance of coded and interleaved communication systems
A system and method for improving performance of a digital communication system using forward error correction and interleaving. In the system, the channel...
US-7,548,597 Cascadable diversity receiving system and method thereof
The invention relates to a receiving system and method, and in particular, to a diversity receiving system and method. A diversity receiving system comprises a...
US-7,548,596 Ethernet channel estimation device and method
The apparatus for communication channel estimation device of the present invention includes: a frequency response square computing circuit, to generate a first...
US-7,548,595 Apparatus and method for fading frequency estimation
The invention relates to an apparatus and a method for estimating a fading frequency of incoming received waves in a receiving station of a radio communication...
US-7,548,594 Adaptive channel estimation method used in multi-carrier communication system
An adaptive channel estimation method utilized in a multi-carrier communication system. The communication system transmits a symbol through a plurality of...
US-7,548,593 Baseband compensation of an offset phase locked loop
A phase modulator faithfully reproduces higher frequency modulation using an offset phase-locked loop (OPLL) without passing excessive noise through an increased...
US-7,548,592 Multiple input, multiple output communications systems
Embodiments of the present invention include systems and methods for optimizing the transmitter and receiver weights of a MIMO system. In one embodiment, the...
US-7,548,591 Quadrature modulator and calibration method
A quadrature modulator and a method of calibrating same by applying a first test tone signal to an in-phase modulation branch input of the modulator and a ninety...
US-7,548,590 Method for determining an offset value for a gain of a transmission path, transmission path with adjustable...
In a transmission path having two discrete-value adjustable amplifiers, a first amplifier is set with a first gain factor and a second amplifier is set with a...
US-7,548,589 Method and apparatus for generating weights for transmit diversity in wireless communication
Techniques for generating weights that can provide good performance for transmit diversity are described. A receiver obtains symbols for a data transmission sent...
US-7,548,588 Method of transmitting data using space time block codes
To transmit data, a set of at least 2.sup.m n.times.n matrices that represent an extension of a fixed-point-free group is provided. To each of 2.sup.m of the...
US-7,548,587 Methods and apparatus for use in reducing residual phase error in OFDM communication signals
Methods and apparatus for use in reducing residual phase error (RPE) in orthogonal frequency division multiplexed (OFDM) communication signals are described. One...
US-7,548,586 Audio and video processing apparatus
A media processor for performing audio, video, and system layer tasks on a fully programmable single-chip integrated processor chip. The present invention...
US-7,548,585 Audio stream adaptive frequency scheme
A system for an audio stream adaptive frequency comprises an audio capture device for sending audio samples captured from an audio source and an audio playback...
US-7,548,584 Using order value for computing motion vector
A method and apparatus for variable accuracy inter-picture timing specification for digital video encoding is disclosed. Specifically, the present invention...
US-7,548,583 Generation and use of masks in MPEG video encoding to indicate non-zero entries in transformed macroblocks
During Motion Picture Experts Group (MPEG) video encoding a two-dimensional discrete cosine transform (DCT) is performed on data representing an original image....
US-7,548,582 Kalman-viterbi joint channel equalizer
In a channel equalizer applicable to a digital television receiver, a forward filter and a backward filter perform filtering to an input signal and a...
US-7,548,581 At-command analyzing device
An UART receives asynchronous transmission serial data based on a baud-rate clock from a DTE. An MPU analyzes the data received by the UART. A baud-rate...
US-7,548,580 Adaptive pilot interference cancellation in CDMA systems
A system and method for interference reduction in a spread spectrum receiver including a rake receiver having a plurality of fingers for processing a plurality...
US-7,548,579 Symbol spreading method and device for OFDM systems
A wired or wireless signal transmitter or receiver and methods providing improved signal-to-noise ratio (SNR) performance for the reception of data packets...
US-7,548,578 Digital frequency hopping transceiver and method thereof
The digital frequency-hopping (FH) transceiver and the method thereof can be applied to FH communication system with a short FH time. The transceiver employs a...
US-7,548,577 Frequency domain joint detection for wireless communication systems
A method and apparatus for frequency domain joint detection for multicarrier code division multiple access (MC-CDMA) and spread orthogonal frequency division...
US-7,548,576 Self organization of wireless sensor networks using ultra-wideband radios
A novel UWB communications method and system that provides self-organization for wireless sensor networks is introduced. The self-organization is in terms of...
US-7,548,575 Self-seeding and phase-locking of an array of lasers
An apparatus and method for combining a plurality of laser beams to form a single output beam comprising employing a plurality of lasers and optically connecting...
US-7,548,574 Integrated modulator/laser assembly and a method of producing same
An laser/modulator assembly includes a laser source, such as a distributed feedback (DFB) laser, and a modulator, such as an electro-absorption modulator (EAM),...
US-7,548,573 Rotary disk, rotary disk module, and rotary disk laser and amplifier configurations
There is provided a rotary disk laser module including disk comprised of at least one lasing material. The disk further includes a first surface, a second...
US-7,548,572 Stabilized solid-state laser gyroscope
The field of the invention is that of solid-state laser gyros. One of the major problems inherent in this technology is that the optical cavity of this type of...
US-7,548,571 Mid-IR microchip laser: ZnS:Cr.sup.2+ laser with saturable absorber material
A method of fabrication of laser gain material and utilization of such media includes the steps of introducing a transitional metal, preferably Cr.sup.2+ thin...
← Previous | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 | Next →