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A self defense weapon formed as a memo pad and which is easily held by a person's fingers, therefore making it possible to provide protection from a mugger and also to quickly and easily write a record or a message without failure of missing or forgetting significant information under a stressful situation.
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| Number | Title | Issue Date |
| 7933320 | Communication system using length shift keying modulation method A communication system using a length shift keying (LSK) modulation method provides a transmitter having a carrier signal generator for generating carrier signals, and a modulator for modulating lengths of the carrier signals from the carrier signal generator accord... | 04/26/2011 |
| 7636386 | Method of continuously calibrating the gain for a multi-path angle modulator A multiple path angle modulator includes a closed secondary loop added to a main control loop to automatically adjust a scaling factor related to high frequency gain. The main control loop is configured as a primary path to process the low frequency portion of the a... | 12/22/2009 |
| 7430215 | Interleaver, deinterleaver, interleaving method, and deinterleaving method for OFDM data An interleaver and interleaving method each includes two stages, and is useful in coded orthogonal frequency division multiplexed (COFDM) wireless local area networks. A first stage performs a first block permutation and a second stage performs bit order permutation... | 09/30/2008 |
| 7376207 | Apparatus for receiving and recovering frequency shift keyed symbols A receiver architecture for receiving an FSK signal having a predetermined number of modulation levels includes a selectivity filter (206) for selectively passing a wanted channel and rejecting unwanted channels. The selectivity filter has a filter bandwidth ... | 05/20/2008 |
| 7372900 | Method and system for selecting an optimal asymmetric digital subscriber line mode A method and system of the present inventions are directed to selecting an optimal mode for ADSL operation based near/far end modem capability, loop length and capacity in the upper bands of modes of operation. A method for switching among a plurality of modes for A... | 05/13/2008 |
| 7366142 | Controlling multiple modems in a wireless terminal using dynamically varying modem transmit power limits A mobile wireless terminal (MWT) includes multiple wireless modems. The multiple modems have their respective transmit outputs combined together to produce an aggregate transmit output. The multiple modems can concurrently transmit data in a reverse link direction a... | 04/29/2008 |
| 7359454 | Apparatus and method for digital wireless communications A digital wireless communication apparatus includes a first modulator that modulates a pilot symbol according to a first modulation scheme, and a second modulator that modulates specific symbols according to a second modulation scheme, the second modulation scheme b... | 04/15/2008 |
| 7325250 | Method and apparatus for preventing radio communication system access by an unauthorized modem A method and apparatus for preventing radio communication system access by an unauthorized modem. The apparatus comprises a signal detector that determines if an authorization signal has been received from the base station within a specified period of time. The auth... | 01/29/2008 |
| 7317603 | Integrated circuit with electrostatic discharge protection An integrated circuit with electrostatic discharge protection includes a first transistor with a source terminal, a drain terminal and a gate terminal, and a second transistor with a source terminal, a drain terminal and a gate terminal. The gate terminal for each o... | 01/08/2008 |
| 7308004 | Method and apparatus of multiplexing and demultiplexing communication signals A method and apparatus for multiplexing and demultiplexing communication signals are described herein. In one embodiment, an apparatus includes first sample logic to sample a plurality of communication signals each including a clock component and a non-clock compone... | 12/11/2007 |
| 7305046 | I/Q modulator with carrier predistortion An I/Q modulator used for processing an I/Q signal to obtain a predistorted output signal. The I/Q signal has an I component and a Q component, and comprises a predistorter for predistorting, with a predistortion signal, a carrier signal, which comprises a first sub... | 12/04/2007 |
| 7302011 | Quadrature frequency doubling system The frequency doubler of the present invention operates to provide an in-phase signal and a quadrature signal, each having a frequency equal to twice the frequency of a reference signal. The in-phase and quadrature signals are based on signals that are 0 degrees, 45... | 11/27/2007 |
| 7293128 | Data modem An improved data modem (IDM) and method includes a communication processor module, a mass storage module, a power converter module, and one or more DSP modules. The communication processor module utilizes commercial off-the-shelf components as well as electrically p... | 11/06/2007 |
| 7277492 | Transmission apparatus, transmission control method, reception apparatus, and reception control method Radio resources are saved. The base station 101 determines a possibility of transmitting data to the terminal 102, and transmits the indicator indicating the possibility of transmitting the data to the terminal 102. The terminal 102 gener... | 10/02/2007 |
| 7254167 | Constellation-multiplexed transmitter and receiver A device of dynamic communication of information allows, on the average, non-integer bits per symbol transmission, using a compact code set or a partial response decoding receiver. A stream of selectable predetermined integer bits, e.g., k or k+1 data bits, is group... | 08/07/2007 |
| 7251270 | Systems and methods for fractional bit rate encoding in a communication system Systems and methods for encoding fractional bit rates in a communication system, such as a pulse amplitude modulation (PAM) communication system, are provided. The systems and methods enable a first transceiver to specify to a second transceiver a desired fractional... | 07/31/2007 |
| 7236085 | Lock with remotely activated lockout feature A method for controlling access to a storage unit owned by an owner, wherein a renter has access to the storage unit unless the owner receives the legal right to deny the renter access to the storage unit and decides to do so. In this method, the storage unit is sec... | 06/26/2007 |
| 7222158 | Third party provided transactional white-listing for filtering electronic communications It is useful to provide a mechanism to allow, at least temporarily, communications to occur without blocking between a first entity and a second entity with whom communications with the first entity are likely/anticipated and desirable, generally through use of a wh... | 05/22/2007 |
| 7218680 | Retransmission techniques for enhanced performance in fading wireless communication channels A desired bit sequence (x) can be communicated over a wireless communication link (15) by including the desired bit sequence in each of a plurality of transmissions over the wireless communication link. In response to each of the plurality of transmissions, a... | 05/15/2007 |
| 7215931 | Method and apparatus for up-and-down-conversion of radio frequency (RF) signals This patent describes a method and system which overcomes the LO-leakage problem during modulation and demodulation, common to direct conversion and similar RF transmitters and receivers. This problem is solved using a virtual local oscillator (VLO™) signal which ... | 05/08/2007 |
| 7191270 | Integrated PC Card host controller for the detection and operation of a plurality of expansion cards An integrated controller for the detection and operation of both PC Cards, smart cards and passive smart card adapter cards. In one aspect, the invention detects the presence of standard expansion cards or passive smart card adapters by utilizing the reserved detect... | 03/13/2007 |
| 7178051 | Method for synchronous support of fault-tolerant and adaptive communication An invention is provided for fault-tolerant and adaptive communication in a distributed computing environment. The invention includes detecting an interruption in a digital connection on a network between two endpoints. Upon detection, a connection state value indic... | 02/13/2007 |
| 7177607 | Controlling transmission mode on basis of power in preceding time slot A transmitter 2 comprises a power amplifier 3 and power controller 4. The power amplifier 3 is capable of both linear and non-linear operation, and is controlled by a controller 20 and first and second control loops 21,22. T... | 02/13/2007 |
| 7177364 | System, decoder and method for transmitting, receiving and decoding high-speed digital data signals with reduced electromagnetic emissions A digital communications system includes a transmitter and a receiver. The transmitter is capable of quadrature amplitude modulation (QAM) encoding each bit of at least one n-bit digital signal into at least one QAM signal and thereafter transmitting the QAM signals... | 02/13/2007 |
| 7177320 | Transfer of data in a telecommunications system A telecommunications system comprises a transmitter within the central terminal for sending a data message destined for a particular subscriber terminal over communication channels as a number of data blocks. A frame generator is provided within the central terminal... | 02/13/2007 |
| 7174179 | Methods and apparatus for mitigating rain fading over SATCOM links via information throughput adaptation A remote communications terminal accesses a terrestrial network or information source via a SATCOM link with an earth station hub linked to the network or information source. Information throughput adaptation (ITA) is employed on the SATCOM link to maximize informat... | 02/06/2007 |
| 7151810 | Data and clock synchronization in multi-channel communications A clock signal is generated by receiving an input clock signal having an input clock signal frequency, dividing the input clock signal frequency by a selected number to produce a lower frequency output clock signal, and shifting the phase of the output clock signal.... | 12/19/2006 |
| 7130354 | Method and apparatus for improving error control properties for encoding and decoding data A method, and apparatus implementing the method, encodes bits to be transmitted over a channel. The channel may be a single carrier or a multi-carrier channel. Bits are encoded based on a constellation that has a self-similarity property and also has an improved bit... | 10/31/2006 |
| 7127529 | Smart card system having asynchronous communication with the smart card operating either as master or slave A smart card comprises a microcontroller, a memory unit, a storage unit, and a communications unit. The smart card may be connected to a terminal, which is in turn may be connected to a host computer and/or a network. The smart card is configured to initiate communi... | 10/24/2006 |
| 7123663 | Coded digital modulation method for communication system A new class of 16-ary Amplitude and Phase Shift Keying (APSK) coded modulations, called double-ring APSK modulation, based on an amplitude and phase shift keying constellation in which the locations of the digital signals to be encoded are placed on two concentric r... | 10/17/2006 |
| 7123843 | System and method of using variable pulses for symbology A method and system for storing and transmitting data using variable pulse symbology over a fiber optic or ultra wide band system. Data is stored in memory, accessed and transformed into an electronic or photonic pulse and/or space which has a variable duration, the... | 10/17/2006 |
| 7111018 | System and method for integrating electrical power grid and related data from various proprietary raw data formats into a single maintainable electrically connected database An improved system and method of automating the integration of different Energy Management Systems (EMS) electrical power grid databases into a single power grid database. This method imports proprietary EMS raw data from various vendors' formats into a Common Infor... | 09/19/2006 |
| 7103159 | Off-hook notifier A method for handling an off-hook event can include the step of detecting an off-hook event with a modem communicatively linked to a circuit loop in which the off-hook event occurs. The detection can be based upon audible information conveyed within the circuit loop... | 09/05/2006 |
| 7099266 | Orthogonal frequency division multiplexed signal transmitting apparatus, orthogonal frequency division multiplexed signal receiving apparatus, and orthogonal frequency division multiplexed signal transmitting/receiving system An orthogonal frequency division multiplexed signal transmitting apparatus executes a time-division multiplexing process that inserts a reference signal at a predetermined interval based on reference signal position information into an information signal to be trans... | 08/29/2006 |
| 7095789 | Communication channel calibration for drift conditions A method and system provides for execution of calibration cycles from time to time during normal operation of the communication channel. A calibration cycle includes de-coupling the normal data source from the transmitter and supplying a calibration pattern in its p... | 08/22/2006 |
| 7095987 | Method and apparatus for received uplinked-signal based adaptive downlink diversity within a communication system A first downlink transmission beam and a second downlink transmission beam is determined based on a received user-derived signal. The first downlink transmission beam is substantially uncorrelated with the second downlink transmission beam. The first downlink transm... | 08/22/2006 |
| 7092678 | Front end module for wireless network system A front end module for wireless network system is disclosed. The front end module includes a transmitting/receiving switch, a bandpass filter, a balun, a lowpass filter, and a power amplifier. The front end module is characterized in that the bandpass filter, the ba... | 08/15/2006 |
| 7085316 | Method and apparatus for the control of modem transmit power A method and apparatus is provided for controlling the transmit power of an analog modem when the transmit power level does not match the desired transmit power level, thus conforming to FCC regulations on transmit power and/or eliminating non-linearities associated... | 08/01/2006 |
| 7082170 | Spectral power management for constrained transmissions using constellation shaping In frequency channel communications, constraints on transmit power characteristics can be complied with by implementing constellation shaping (15, 71) in the transmitter. In transmitters which use transmit filtering (91) to comply with constraints on t... | 07/25/2006 |
| 7082293 | Adaptive radio transceiver with CMOS offset PLL An exemplary embodiment of the present invention described and shown in the specification and drawings is a transceiver with a receiver, a transmitter, a local oscillator (LO) generator, a controller, and a self-testing unit. All of these components can be packaged ... | 07/25/2006 |
