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Mountable Printable Placard With Headband
A resilient headband in a shape for being mounted on the head of the user. The headband is equipped with a longitudinal slotted member for holding a placard.
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| Number | Title | Issue Date |
| 8179949 | Correlation method and signal processing method of CDMA receiver using mapping A correlation method of a code division multiple access receiver using mapping. Digital data with each signal composed of two bits are packed by a predetermined packing unit; blocking the packed data into data blocks according to a size corresponding to the repetiti... | 05/15/2012 |
| 8170084 | Quick detection of signaling in a wireless communication system Quick frequency tracking (QFT), quick time tracking (QTT), and non-causal pilot filtering (NCP) are used to detect sporadically transmitted signaling, e.g., paging indicators. For QFT, multiple hypothesized frequency errors are applied to an input signal to obtain m... | 05/01/2012 |
| 8160124 | Differential Teager-Kaiser-based code tracking loop discriminator for multipath mitigation in a NSS receiver A discriminator for a code tracking block of a navigation satellite system (NSS) receiver is provided. This discriminator can advantageously use only four complex correlators, i.e. early (E), prompt (P), late (L), and one of very early (VE) and very late (VL), while... | 04/17/2012 |
| 8160123 | Device for receiving satellite signals including a phase loop with delay compensation Described is a device for receiving radio-navigation signals by satellite, said received signals being transmitted at a carrier frequency. The device includes at least means for generating a local signal at a local frequency and a tracking device including a feedbac... | 04/17/2012 |
| 8144750 | Code enhanced equalization based upon a reliability factor A receiver includes an equalizer and a decoder which decodes data from a signal. The signal is based upon an output of the equalizer. The receiver also includes an encoder, which re-encodes the decoded data, and an error generator, which generates an error vector ba... | 03/27/2012 |
| 8116354 | Sync detection device and method for GNSS A sync detection device and method for a GNSS receiver. In modernized GNSS, each satellite transmits a data signal and a pilot signal. Correlations are performed between a data symbol stream converted from the data signal with possible hypotheses to find a leading e... | 02/14/2012 |
| 8098715 | Method and apparatus for estimating impairment covariance matrices using unoccupied spreading codes In one of its aspects, the technology concerns a method of processing a signal which includes physical data channels which have been channelized using spreading codes. The method comprises (1) despreading unoccupied spreading codes (e.g., codes which are essentially... | 01/17/2012 |
| 8090007 | Position-based modulation system and method The present invention is a position-based modulation system for communications devices. The device may comprise one or more of the following features: (a) a global positioning system (GPS) receiver capable of receiving positioning data from GPS satellites; (b) a rad... | 01/03/2012 |
| 8077759 | Method and apparatus for new cell identification in a WCDMA network with a given neighbor set A method and an apparatus for new cell identification in a WCDMA network with a given neighbor set are described. Aspects of a system for new cell identification in a WCDMA network with a given neighbor set may include a baseband processor that enables determination... | 12/13/2011 |
| 8064499 | Spread-spectrum phase and channel tracking Common components are used to detect messages from a variety of transmitters, and the characteristics of each detected message are used to dynamically configure the demodulation process for each message. Channelization is selectively performed before, after, or befo... | 11/22/2011 |
| 8027373 | Quick detection of signaling in a wireless communication system Quick frequency tracking (QFT), quick time tracking (QTT), and non-causal pilot filtering (NCP) are used to detect sporadically transmitted signaling, e.g., paging indicators. For QFT, multiple hypothesized frequency errors are applied to an input signal to obtain m... | 09/27/2011 |
| 8027374 | Method, system and apparatus for transmit diversity control A method, apparatus and system for modifying a transmit diversity signal by receiving at least one input parameter, collecting at least one interval of feedback data, computing a transmit diversity parameter, and modifying a transmit diversity signal based on the co... | 09/27/2011 |
| 8009723 | Measurement of baseband timing in a spread spectrum communications system Systems, apparatuses, and methods for providing timing estimates of received signals are disclosed. In one embodiment, sub-chip timing in spread spectrum signals can be achieved without requiring oversampling in the receiver. A transmitter can adjust the timing of c... | 08/30/2011 |
| 7970042 | Spread spectrum clock interoperability control and inspection circuit A spread spectrum clock generator (SSCG) control and inspection circuit provides a system and method for inspecting and controlling an external SSCG, and for verifying the modulation profile waveform of an external SSCG. An electronic circuit is included that can ch... | 06/28/2011 |
| 7953142 | Variable code-tracking loop with improved signal dynamics, loop noise, and sensitivity A variable code-tracking loop filter in a receiver having the ability to change its parameters multiple times in response to received signals. Parameters for the code-tracking loop filter may be varied based on phase and frequency errors from an error detector. In o... | 05/31/2011 |
| 7944961 | Systems and methods for improving pull-in performance in GPS signal processing Systems and methods for avoiding non-linear behavior of conventional early-minus-late correlator-based code loop discriminators. The present invention provides a model of correlator behavior that takes into account whether both correlators are on the same side of th... | 05/17/2011 |
| 7940834 | Signal receiver using data bit search in alternating time segments A GNSS receiver and method using alternating “A” and “B” time segments for a reception time length of two or more data bits. The GNSS signal in an “A” time period comprising the “A” time segments is integrated for determining “A” magnitudes corre... | 05/10/2011 |
| 7924220 | Method and apparatus for weak data frame sync in a positioning system The present invention is related to location positioning systems, and more particularly, to a method and apparatus of synchronizing to data frames in a positioning system signal. According to one aspect, the invention speeds up the frame synchronization process by c... | 04/12/2011 |
| 7920620 | Method for reducing the calculation complexity for code acquisition and correlation The present invention determines those mathematical processes that are repeated in the standard search schema, and uses this information to simplify the process by eliminating repetition of processes that have already been performed. The present information can be i... | 04/05/2011 |
| 7899108 | Receiving apparatus, electromagnetic wave timepiece, receiving module and receiving method A receiving apparatus includes: a receiver receiving a communication signal from a base station and including pilot and sync channel signals in which predetermined data strings continue periodically; a synchronizer acquiring synchronization information for communica... | 03/01/2011 |
| 7873099 | Time transfer using ultra wideband signals Time is transferred from an ultra wideband (UWB) transmitter to UWB receiver by transmitting a signal structure having an associated timing reference point together with a time value for the timing reference point. The UWB receiver receives the timing signal structu... | 01/18/2011 |
| 7848393 | Pilot signals for synchronization and/or channel estimation The frame words of the embodiments are suitable for frame synchronization and/or channel estimation. By adding the autocorrelation and/or cross-correlation functions of frame words, double maximum values equal in magnitude and opposite polarity at zero and middle sh... | 12/07/2010 |
| 7839328 | Positioning device, electronic instrument, and storage medium storing program Signals output from two filters included in a filter section 70 and differing in passband are respectively stored in different memories included in a memory section 80, and a positioning process is performed based on the signal stored in the memory. Sp... | 11/23/2010 |
| 7830953 | Receiving apparatus, communication apparatus and control apparatus using the same The present invention conducts the initial synchronization acquisition of the rapid and high precision ultra-wideband signal without complicatedness of hardware and increase in power consumption. For this purpose, a communication apparatus for exchanging information... | 11/09/2010 |
| 7801201 | Receiver for a CDMA system A receiver is configured to receive signals corresponding to spread spectrum information symbol streams. The receiver includes a plurality of channel circuits for receiving signals. Each channel circuit is responsive to a received signal for recovering an associated... | 09/21/2010 |
| 7742518 | Discriminator function for GPS code alignment Embodiments of the present invention pertain generally to methods and systems of processing a global positioning satellite (GPS) signal. More particularly, embodiments of the present invention provide an improved discriminator function that utilizes the early, promp... | 06/22/2010 |
| 7733943 | Method and system for temporal autocorrelation filtering An autocorrelation filter for use with a spread spectrum receiver. The autocorrelation filter can be used as a prefilter stage to reduce phase distortion present in a spread spectrum signal. The autocorrelation filter can be used to process the output from a lattice... | 06/08/2010 |
| 7733944 | Operating GPS receivers in GPS-adverse environment A system for operating a GPS receiver in a GPS-adverse environment includes a plurality of GPS receivers, a plurality of remote sensor interfaces (RSIs), and a computer management system. The GPS receivers are adapted to determine positional parameters based on the ... | 06/08/2010 |
| 7733945 | Spread spectrum with doppler optimization A method of compensating for doppler phase errors includes receiving a signal at a receiver wherein the signal is spread using a pseudo-noise code, dividing the signal into a plurality of smaller coherent units and then compensating for induced doppler phase errors ... | 06/08/2010 |
| 7711036 | Synchronous acquisition circuit and a synchronous acquisition method of a spread spectrum code In a synchronous acquisition method of a spread spectrum code, a digital code sequence is generated based on a received radio communication signal. The digital code sequence defines a spread spectrum code which includes a preamble symbol. A plurality of correlation ... | 05/04/2010 |
| 7688883 | Received signal correlation using a correlation scaling factor The present invention is a method and apparatus for generating a scaled correlation that is based on an estimate of the arrival time of a synchronization point in a received RF signal relative to a sampling clock, which is used to sample the received RF signal after... | 03/30/2010 |
| 7643540 | Pilot signals for synchronization and/or channel estimation The frame words of the embodiments are suitable for frame synchronization and/or channel estimation. By adding the autocorrelation and/or cross-correlation functions of frame words, double maximum values equal in magnitude and opposite polarity at zero and middle sh... | 01/05/2010 |
| 7639732 | Intelligent code tracking for spread spectrum systems A code-tracking system includes a loop filter, which receives an early/late error signal and outputs a loop filter error signal. An error scaling device receives the loop filter error representing an update and provides a code tracking adjustment signal. A controlle... | 12/29/2009 |
| 7639733 | Maximum likelihood estimation of time and frequency offset for OFDM systems A receiver in an OFDM system may include a joint maximum likelihood (ML) estimator that estimates both time offset and frequency offset. The estimator may use samples in an observation window to estimate the time offset and frequency offset. ... | 12/29/2009 |
| 7630428 | Fast digital carrier frequency error estimation algorithm using synchronization sequence Methods and apparatus for determining carrier frequency error of a serial offset quadrature pulse shaped signal, such as a minimum shift keyed (MSK) signal, are disclosed. Carrier frequency error is determined by receiving a quadrature pulse shaped signal having a s... | 12/08/2009 |
| 7616681 | Pilot signals for synchronization and/or channel estimation The frame words of the embodiments are suitable for frame synchronization and/or channel estimation. By adding the autocorrelation and/or cross-correlation functions of frame words, double maximum values equal in magnitude and opposite polarity at zero and middle sh... | 11/10/2009 |
| 7609755 | Simplified timing correction for data despreading of serial offset quadrature pulse-shaped spread signals A simplified timing correction method is provided for data despreading of serial offset quadrature pulse-shaped spread signals. The simplified timing correction algorithm is applied to a rake receiver for improved performance in a multi-path channel. Serial formatti... | 10/27/2009 |
| 7602840 | Acquisition of a gated pilot Systems and techniques to acquire a gated pilot signal by searching for a first gated pilot signal, deriving timing information from the search for the first gated pilot signal, and searching for a second gated pilot signal using the timing information. This can be ... | 10/13/2009 |
| 7602841 | Pilot signals for synchronization and/or channel estimation The frame words of the embodiments are suitable for frame synchronization and/or channel estimation. By adding the autocorrelation and/or cross-correlation functions of frame words, double maximum values equal in magnitude and opposite polarity at zero and middle sh... | 10/13/2009 |
| 7593453 | Efficient multipath centroid tracking circuit for a code division multiple access (CDMA) system A spread spectrum signal having an associated code is tracked at a receiver. A plurality of components of the spread spectrum signal are despread using the associated code. Each of the plurality of components has a different code phase than all others of the plurali... | 09/22/2009 |
