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3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Number | Title | Issue Date |
| 8175525 | Conversion from note-based audio format to PCM-based audio format A system and method for converting a note-based audio object to a Pulse Code Modulated (PCM) audio format is disclosed. An electronic computer device includes a memory containing a note-based audio object and a lookup table, the note-based audio object containing no... | 05/08/2012 |
| 8160492 | Wireless network system A wireless communication device having extremely simple constitution is used, and a low-cost and low power consumption wireless network system with high-quality signals is provided. The wireless network system comprises a plurality of wireless communication devices ... | 04/17/2012 |
| 7912423 | Wireless communication system A wireless communication system enabling multihop communication while maintaining the system throughput and preventing degradation of the user throughput. In the system, a BS (base station) determines the relaying method (whether an RS performs reproduction relay or... | 03/22/2011 |
| 7856205 | Conversion from note-based audio format to PCM-based audio format A system and method for converting a polyphonic note-based audio object to a Pulse Code Modulated (PCM) audio format is disclosed. An electronic communication device includes a memory containing a polyphonic note-based audio object containing at least two notes whic... | 12/21/2010 |
| 7853205 | Methods for improving transmission efficiency of control channels in communication systems Embodiments of the invention provide methods for optimizing the spectral efficiency of control channel transmissions carrying scheduling assignments from a serving Node B to user equipments. This is accomplished through the selection of the modulation and coding sch... | 12/14/2010 |
| 7430397 | Radio repeater and radio relay transmission method A radio repeater including at least first and second relay systems, each including a reception antenna configured to receive a radio signal, a loop interference suppressor, connected to the reception antenna, configured to suppress a loop interference signal in the ... | 09/30/2008 |
| 7420939 | Methods and apparatus of power control in wireless communication systems The present invention involves apparatus and methods to perform wireless terminal transmission power control. The invention uses novel and highly efficient methods to: convey power control information, specify power control level adjustments, recognize power control... | 09/02/2008 |
| 7412207 | Signal path detection for wireless networks including repeaters There is disclosed a method of determining the path of a signal between a donor network element and a remote station, the donor network element being associated with at least one repeater, comprising the steps of: receiving at the remote station a plurality of signa... | 08/12/2008 |
| 7349672 | Digital signal transceiver A digital signal transceiver includes a frequency modulator for outputting a high-frequency signal frequency-modulated with a digital signal input thereto, a power amplifier, an antenna terminal, and an antenna switch. The antenna switch includes a first branch port... | 03/25/2008 |
| 7336732 | Carrier frequency detection for signal acquisition A carrier frequency in a filtered received M-ary phase-shift keyed (MPSK) modulated signal having in-phase and quadrature components is detected by processing the filtered received signal to remove modulation components and thereby generate a test signal at the carr... | 02/26/2008 |
| 7330700 | Radio apparatus and method for determining the communication timing of a channel quality indicator (CQI) based on CQI update and CQI repetition count information When a CQI that is based on CQI update cycle information and a CQI that is based on repetition count information have an overlapping transmission timing, CQI transmission timing controller 110 and CQI transmission timing priority determiner 120 transmi... | 02/12/2008 |
| 7330451 | Code division multiple access communication system and method Disclosed is a CDMA communication system and method that make it possible to accommodate a greater number of user terminals that can be connected per facilities investment. Ternary phase-shift keying (TPSK) modulation is applied as primary modulation in a CDMA commu... | 02/12/2008 |
| 7305052 | UWB communication receiver feedback loop A novel technique and structure that maximizes the extraction of information from reference pulses for UWB-TR receivers is introduced. The scheme efficiently processes an incoming signal to suppress different types of UWB as well as non-UWB interference prior to sig... | 12/04/2007 |
| 7260356 | Method and apparatus for wirelessly coupling a source signal to a radio frequency receiver A digital audio system (20) can include a receiver (24) coupled to an RF modulator (30), a source signal modulated by the RF modulator to provide a modulated signal, and an external antenna (32) for receiving the source signal and for tra... | 08/21/2007 |
| 7247953 | Solar energy conversion and transmission system A system consisting of one or more satellites carrying photovoltaic panels that capture solar energy and convert it to electricity for storage and transmission to earth by a microwave energy beam. The earth station absorbs the microwave energy beam in a pressurized ... | 07/24/2007 |
| 7187716 | Vehicle mounted DSRC apparatus A vehicle mounted DSRC apparatus is capable of achieving reduction in the size and cost thereof. The vehicle mounted DSRC apparatus includes an ASK data generation part 11, an I data generation part 21, a Q data generation part 22, a first band ... | 03/06/2007 |
| 7170961 | Method and apparatus for frequency-domain tracking of residual frequency and channel estimation offsets Various methods and apparatus for frequency-domain estimation of carrier frequency offsets are provided in which the carrier frequency offset estimate is robust against non-white (frequency-dependent) noise. A carrier-specific weighting factor is associated with eac... | 01/30/2007 |
| 7167676 | Base station device, mobile station device and transmission power controlling method A spreading code notification section 201 notifies each mobile station apparatus of a spreading code corresponding to a mobile station apparatus currently communicating, a separation section 212 separates information indicating an interference station ... | 01/23/2007 |
| 7162213 | Transmission method, transmitter, reception method, and receiver For the purpose of efficient transmission based on the UWB system, first and second baseband waveforms are generated at a cycle equivalent to an integral multiple of a carrier to have a specified phase difference from each other. The first baseband waveform is multi... | 01/09/2007 |
| 7120202 | Wireless communication apparatus In a wireless communication apparatus which has the functions of both ASK modulation and QPSK modulation, which can be manufactured at a low cost, and which is small in size, an output terminal of a QPSK modulator is connected to a carrier wave input terminal of an ... | 10/10/2006 |
| 7110718 | Phase distortion using MOS nonlinear capacitance RF phase distortion circuits and methods for controllably phase distorting an RF signal based on amplitude of the RF signal. An MOS device is provided having a body of a first conductivity type and at least one region of a second conductivity type in the body, with ... | 09/19/2006 |
| 7095996 | Wireless communication system, and demodulation method and data rate control method therefor A transmitter and a receiver share a maximum number of transmission bits per symbol as a parameter. The transmitter modulates an encoded and interleaved transmission signal in accordance with a modulation scheme which enables the transmission of one bit or more per ... | 08/22/2006 |
| 7069049 | Apparatus and method for controlling duplication structure of base station transceiver subsystem in a mobile communication system An apparatus and method for controlling a duplication structure of a Base station Transceiver Subsystem (BTS) is provided. The BTS has N number of sectors including a first sector to an Nth sector and M number of Frequency Assignments (FAs) including a first FA to a... | 06/27/2006 |
| 7068984 | Systems and methods for amplification of a communication signal Bandwidth reduction of amplitude and/or phase components of relatively wide bandwidth composite signal. In an exemplary embodiment, an EER amplifier system for CDMA signal amplification includes an amplitude bandwidth reduction module included in an amplitude signal... | 06/27/2006 |
| 7062224 | Method and system for identifying and monitoring repeater traffic in a code division multiple access system An apparatus and method for identifying remote communications transmitted via a repeater from remote communications not transmitted via the repeater. The method comprises the steps of receiving a plurality of signal transmissions originating from a plurality of remo... | 06/13/2006 |
| 7046168 | Inter-vehicle communication method and device An inter-vehicle communication method according to the present invention performs communication by sequentially relaying transmission information among vehicles. For broadcasting the transmission information to peripheral vehicles, a vehicle transmitting the transmi... | 05/16/2006 |
| 7043202 | Frequency modulator apparatus of phase selection type, and frequency synthesizer of phase selection type A phase-selective type frequency modulator capable of easing the restriction on a phase range of a modulated clock signal. The phase-selective type frequency modulator includes a multiphase clock signal generating circuit 101 for generating N-phase clock sign... | 05/09/2006 |
| 6980593 | Wireless transmission-reception system The wireless transmission-reception system of the subject invention includes a transmitter and a receiver. The transmitter includes a compressor for compressing a signal to be transmitted and a pre-emphasis circuit for emphasizing an output signal of the compressor.... | 12/27/2005 |
| 6977965 | Phase shift key burst receiver having improved phase resolution and timing and data recovery A receiver includes an I-Q demodulator (135) responsive to the I and Q components carried on a first frequency signal line (132). A demodulator frequency generator (275) generates a demodulating signal to extract the carried I and Q components. ... | 12/20/2005 |
| 6961367 | Forward link repeater frequency watermarking scheme A forward link repeater frequency watermarking (FLRFWM) system and method that enable accurate position location of mobile stations in areas where repeaters are present by watermarking repeated signals with repeater information. A repeater watermarks a forward link ... | 11/01/2005 |
| 6950626 | Receiver having retransmission function A receiver having a retransmission function is provided for alleviating a degradation in the S/N ratio in an FM radio wave for retransmitting an audio signal extracted from a digital broadcasting radio wave even if a receiving situation deteriorates. When the receiv... | 09/27/2005 |
| 6947721 | Wireless communications with transceiver-integrated frequency shift control and power control Baseband processor and communication overloading can be relieved in a portable wireless communication terminal by decentralizing power control (38, 39) and frequency shift control (75) functions that are conventionally concentrated in the baseband proc... | 09/20/2005 |
| 6912372 | Ultra wideband signals for conveying data A method for conveying application data via carrierless ultra wideband wireless signals, and signals embodied in a carrierless ultra wideband waveform. Application data is encoded into wavelets that are transmitted as a carrierless ultra wideband waveform. The carri... | 06/28/2005 |
| 6909877 | Carrierless ultra wideband wireless signals for conveying data A method for conveying application data via carrierless ultra wideband wireless signals, and signals embodied in a carrierless ultra wideband waveform. Application data is encoded into wavelets that are transmitted as a carrierless ultra wideband waveform. The carri... | 06/21/2005 |
| 6871046 | Radio transmitting apparatus and radio transmitting method Channel fluctuation estimating section 101 estimates fluctuation amount of the channel between transmitting apparatus 100 and receiving apparatus 200, and carrier number determining section 102 determines the number of subcarriers used in... | 03/22/2005 |
| 6865390 | Cellular communications system featuring a central radio pool/traffic router The present invention provides a cellular communication system that includes a central radio pool/traffic router (CRP/TR) that sends control and traffic signals over fiber optic transmission links that connect the CRP/TR with base stations of the cellular communicat... | 03/08/2005 |
| 6850733 | Method for conveying application data with carrierless ultra wideband wireless signals A method for conveying application data via carrierless ultra wideband wireless signals, and signals embodied in a carrierless ultra wideband waveform. Application data is encoded into wavelets that are transmitted as a carrierless ultra wideband waveform. The carri... | 02/01/2005 |
| 6839539 | RF signal repeater in mobile communications systems A RF signal repeater system is added to a wireless communications network which increases user data rates at the periphery of the cellular coverage area by boosting the downlink (base station to mobile user) signal and uplink (mobile user to base station) signal. Th... | 01/04/2005 |
| 6505032 | Carrierless ultra wideband wireless signals for conveying application data A method for conveying application data via carrierless ultra wideband wireless signals, and signals embodied in a carrierless ultra wideband waveform. Application data is encoded into wavelets that are transmitted as a carrierless ultra wideband waveform... | 01/07/2003 |
| 6337754 | Optical conversion relay amplification system The present invention provides an economic optical conversion relay amplification system avoiding a beat noise in an uplink line of an optical transmission line of multibranching and multinode multiplexing type. In the optical conversion relay amplification sy... | 01/08/2002 |
