Famous Patents
William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
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 |
| 8406367 | Information processing apparatus and data communication method An information apparatus switches a display at a predetermined area which includes at least a part of a portion where an electromagnetic-wave emitting unit used for data communications with a data storage device is disposed, according to data communication processin... | 03/26/2013 |
| 8295424 | Data receiving apparatus and method A data receiving apparatus and method includes a current-voltage conversion block, which receives a current-type transmit signal including data and a clock signal inserted into the data at a different level from the data, and then converts the received signal into a... | 10/23/2012 |
| 8265220 | Rate adaptation for use in adaptive multi-rate vocoder The present invention includes a time-division-multiple-access (TDMA) communication system having a base station and at least one mobile station, each transmitting and receiving an analog radio-frequency signal carrying digitally coded speech. The speech is encoded ... | 09/11/2012 |
| 8249209 | Synchronous one-bit interface protocol or data structure Systems and methods provide for data transfer and transmission according to a synchronous one-bit interface protocol. A bit stream is generated including first data to be transferred or transmitted and second data from which a clock period used to encode the first d... | 08/21/2012 |
| 7903778 | Low power, high resolution timing generator for ultra-wide bandwidth communication systems A control generator is provided, comprising: a summer configured to add a ramping phase adjustment signal and a basic phase adjustment signal to generate a combined phase adjustment signal based on the combined phase adjustment signal; a look-up table configured to ... | 03/08/2011 |
| 7787582 | Control unit A control unit in which at least one inertial sensor and a processor are accommodated in a housing. The data transmission between the inertial sensor and the control unit is performed digitally. The transmission may be provided with error bits or status bits. The da... | 08/31/2010 |
| 7773714 | Method and system for employing adaptive event codes The invention concerns a method (500) for employing adaptive event codes. The method includes the steps of generating (512) at least one adaptive event code in which the adaptive event code corresponds to a preexisting event code, storing (514) ... | 08/10/2010 |
| 7773715 | Two wire transmitter with isolated can output A process variable transmitter that preferably includes a transmitter output circuit that provides bidirectional HART and controller area network communication transceiver lines. The transmitter output circuit also includes sensor circuit interface contacts. An isol... | 08/10/2010 |
| 7697653 | Mobile station and output control method A mobile station is configured to acquire at least one of country information and carrier in formation as output control information. The mobile station is also configured to receive download data that includes harmful level information. The mobile station includes ... | 04/13/2010 |
| 7697654 | Determining effective carrier-to-interference plus noise ratio in OFDMA systems Techniques are provided to determine a more realistic measure of a physical carrier-to-interference plus noise radio (pCINR) associated with a wireless channel between first and second wireless communication devices. Channel conditions are used to derive a channel m... | 04/13/2010 |
| 7613269 | Method for calculating equal error protection profiles A method for calculating equal error protection (EEP) profiles is disclosed. The method uses a profile function related to a sub-channel size to calculate EEP profiles and then uses the EEP profiles to decode data. When a receiver receives a protection level and a s... | 11/03/2009 |
| 7613270 | System and method for adaptive multi-rate (AMR) vocoder rate adaptation The present invention includes a time-division-multiple-access (TDMA) communication system having a base station and at least one mobile station, each transmitting and receiving an analog radio-frequency signal carrying digitally coded speech. The speech is encoded ... | 11/03/2009 |
| 7583774 | Clock synchroniser A clock synchronizer, for generating a local clock signal synchronized to a received clock signal, is described and claimed, along with a corresponding clock synchronization method. The clock synchronizer incorporates a reference oscillator providing a reference sig... | 09/01/2009 |
| 7577227 | Link adaption in general packet radio service networks In one embodiment of the method of adaptively selecting an airlink coding scheme in a telecommunications network, a coding scheme operating region is determined based on a currently used coding scheme and measurements representative of a block error rate. A block er... | 08/18/2009 |
| 7558359 | System and method for adaptive multi-rate (AMR) vocoder rate adaptation The present invention includes a time-division-multiple-access (TDMA) communication system having a base station and at least one mobile station, each transmitting and receiving an analog radio-frequency signal carrying digitally coded speech. The speech is encoded ... | 07/07/2009 |
| 7551704 | Information processing apparatus and data communication method An information apparatus switches a display at a predetermined area which includes at least a part of a portion where an electromagnetic-wave emitting unit used for data communications with a data storage device is disposed, according to data communication processin... | 06/23/2009 |
| 7539279 | Logarithmic spectrum transmitter waveform for controlled-source electromagnetic surveying Waveforms for controlled source electromagnetic surveying. The waveforms have frequency spectra that include three or more frequencies spaced at substantially equal intervals on a logarithmic frequency scale and spanning a bandwidth of about one decade or more, at l... | 05/26/2009 |
| 7522692 | Isolator and a modem device using the isolator A communication system is provided including a transceiver and an application controller to transmit and receive signals through the transceiver. An isolator which insulates and separates the transceiver and application controller includes primary and secondary side... | 04/21/2009 |
| 7519141 | Method for converting a real signal into a complex signal A method for converting a real signal into a complex signal in quadrature, whose particularity consists of the fact that it comprises the step that consists in adding to a real signal meant to be converted into a complex signal a signal whose frequency is four times... | 04/14/2009 |
| 7515672 | Digital access arrangement circuitry and method for connecting to phone lines having a DC holding circuit with programmable current limiting A digital direct access arrangement (DAA) circuitry may be used to terminate the telephone connections at the user's end that provides a communication path for signals to and from the phone lines. Briefly described, the DAA provides a programmable circuit for the DC... | 04/07/2009 |
| 7477717 | Input receiver circuit An input receiver circuit is provided for receiving a noisy high-speed input signal and for generating a plurality of output signals that can be processed at a low acquisition speed compared to the speed of the high-speed input signal. The input receiver circuit inc... | 01/13/2009 |
| 7443927 | Signal detector A signal detector comprises a signal translator, a data signal detector, a clock signal detector and an inputting control circuit for detecting abnormal clock and data signals. The signal translator respectively converts differential data signals and differential cl... | 10/28/2008 |
| 7440532 | Bit slip circuitry for serial data signals Circuitry for use in aligning bytes in a serial data signal (e.g., with deserializer circuitry that operates in part in response to a byte rate clock signal) includes a multistage shift register for shifting the serial data signal through a number of stages at least... | 10/21/2008 |
| 7424228 | High dynamic range radio frequency to optical link A communication system includes an optical transmitter which is differentially driven and an optical receiver that outputs a differential signal. The optical transmitter creates the differential drive signal from an input signal and delivers the differential drive s... | 09/09/2008 |
| 7421040 | Modem tuner A tuner includes a mixer which receive first and second inputs via a multiplexer in different frequency ranges from different sources such as cable and satellite. A local oscillator supplies signals via a bandswitch which switches the local oscillator frequency rang... | 09/02/2008 |
| 7421055 | Signal processing apparatus and signal processing method In order to output an analog signal from which unnecessary out-of-band noise components are appropriately removed in accordance with digital data to be reproduced, a reproduction frequency determination circuit and cutoff frequency selection circuit detect the frequ... | 09/02/2008 |
| 7415087 | Circuits with state circuitry having cross connected control inputs Data is communicated through two separate circuits or circuit groups, each having clock and mode inputs, by sequentially reversing the role of the clock and mode inputs. The data communication circuits have data inputs, data outputs, a clock input for timing or sync... | 08/19/2008 |
| 7412020 | Training for time-selective wireless fading channels using cutoff rate The optimal allocation of resources—power and bandwidth—between training and data transmissions is considered for time-selective Rayleigh flat-fading channels under the cutoff rate criterion. The transmitter, assumed to have statistical channel state information... | 08/12/2008 |
| 7397411 | Method, apparatus, system, and program for code conversion transmission and code conversion reception of audio data A system and a method of suppressing outstanding degradation of decoded audio quality due to a transmission error of audio coded data are provided without feedback information from a receiver, thereby reducing the increase of the number of necessary transmission ban... | 07/08/2008 |
| 7394843 | Spread spectrum verification circuit A method for verifying a spread spectrum function and a spread spectrum verification circuit are provided. Comparing an output frequency of the spread spectrum function with a reference frequency for the spread spectrum function tests an upper bound of the spread sp... | 07/01/2008 |
| 7382850 | Multichannel cochlear implant with neural response telemetry A circuit and method for cochlear implant telemetry where digital data is encoded into an RF signal. The RF signal is applied via a rectifier diode to a first switch matrix S1 and a second switch matrix S2, with S1 being coupled to a first sampl... | 06/03/2008 |
| 7372901 | Method and apparatus for modem rate adaptation A method and system for dynamically determining transmission characteristics of a modem transmitting information over a network is disclosed. The method comprises the steps of determining a plurality of measured characteristics associated with a plurality of receive... | 05/13/2008 |
| 7373279 | Network A network including a bus through which data is transmitted and a plurality of network devices connected to the bus to form the network. In the network, at least one of the network devices performs measurement at timings in a predetermined cycle T and outputs data c... | 05/13/2008 |
| 7369868 | Method and apparatus for sharing content with a remote device using a wireless network The present invention is directed to a method and apparatus for sharing content between a content source device and a remote device. The content source device is connected to a mobile device that communicates with the remote device using a wireless network. The mobi... | 05/06/2008 |
| 7369637 | Adaptive sampling rate converter Apparatus, methods and techniques for adjusting the phase offset used in sampling rate conversion uses a Farrow structure or the like to compensate for clock problems such as “clock jitter” and/or “clock drift” effects, which typically arise where one clock ... | 05/06/2008 |
| 7366272 | Method and device for transmitting packet data in mobile communication system There is provided a device and method for transmitting packet data in a mobile communication system. A sub-code generator generates a plurality of sub-codes with the same or different code rates for the input of a PLP (Physical Layer Packet) information bit stream. ... | 04/29/2008 |
| 7366301 | Optical watermark A multiple-layered watermark is generated to be placed on document, to protect against counterfeiting and forgery. Hidden information embedded into each of the watermark's layers is only detectable by using a corresponding decoder. Because of the multiple-layered st... | 04/29/2008 |
| 7363395 | Intermediate device capable of communicating using different communication protocols A method according to one embodiment may include determining, at least in part, by an intermediate device at least one communication protocol via which at least one storage device connected to the intermediate device is capable of communicating. In this embodiment, ... | 04/22/2008 |
| 7362734 | Time-slot partitioning in a TDMA system According to the present invention there is provided a method of transmitting user data in a TDMA system in which the number of channels is increased by partitioning at least one time-slot in a TDMA frame into at least two sub-time-slots. Each sub time-slot may be a... | 04/22/2008 |
| 7362841 | Digital access arrangement circuitry and method for connecting to phone lines having a DC holding circuit with switchable DC termination impedance A digital direct access arrangement (DAA) circuitry may be used to terminate the telephone connections at the user's end that provides a communication path for signals to and from the phone lines. Briefly described, the DAA provides a programmable means for the DC t... | 04/22/2008 |
