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Patent No. 5719655

System for magnetically attaching templeless eyewear to a person

A system of eyewear that eliminates the need for hinges on the frames of the eyewear.

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Inventor: Nobukazu FUDABA


Address: Kawasaki, JP
No. of applications: 9
Last application issue date: 08/04/2011

Application No.Application TitleIssue Date
20110187454DISTORTION COMPENSATING APPARATUS, TRANSMITTING APPARATUS, AND DISTORTION COMPENSATING METHOD
An apparatus includes: a unit that stores the look-up table including distortion compensation coefficients; a unit that selects addresses according to an input signal, acquires coefficients stored at the selected addresses, and performs the predistortion of the input si...
08/04/2011
20100237937POWER AMPLIFYING DEVICE AND POWER AMPLIFYING METHOD
A power amplifying device includes an amplifier that amplifies a signal which is input in accordance with a voltage signal which is supplied to the amplifier, a voltage control section that controls the voltage signal in accordance with a transmission signal, a distorti...
09/23/2010
20100219889DISTORTION COMPENSATION APPARATUS AND METHOD
A distortion compensation apparatus includes a distortion compensation signal generation unit that performs, on a transmission signal, distortion compensation processing using a series operation; a coefficient updating unit that updates series operation coefficients use...
09/02/2010
20100194474Predistorter and Distortion Compensation Method
A predistorter includes a distortion compensating unit which gives, in advance, a reverse characteristic of a characteristic of input to output of a power amplifier to a transmission signal which is to be input to the power amplifier; a distortion compensation signal ge...
08/05/2010
20100148864Amplifier Control Device
A bias control signal generation unit detects ON and OFF of a transmission signal input to an amplifier and having a property of a burst according to burst information. The bias control signal generation unit controls a bias voltage to be applied to an amplifier such th...
06/17/2010
20100060355APPARATUS AND METHOD OF COMPENSATING DISTORTION
A distortion compensating apparatus includes a processing circuit that calculates each of a plurality of series operation coefficient pairs based on a transmission signal and a feedback signal of an output from an amplifying circuit performing power amplification of the...
03/11/2010
20100003920PEAK SUPPRESSING AND RESTORING METHOD, TRANSMITTER, RECEIVER, AND PEAK SUPPRESSING AND RESTORING SYSTEM
A peak suppressing and restoring method includes suppressing a peak of a signal, starting suppression when a suppression start value is lower than a suppression target value, using a function of a gain characteristic such that a peak amplitude value attains the suppress...
01/07/2010
20090318099Peak Suppressing Apparatus, Peak Suppressing Method, and Wireless Communication Device
A peak suppressing apparatus includes an amplitude limiter that limits amplitude of the transmission signal with a predetermined threshold; a peak-suppressing-signal extracting unit that extracts a peak suppressing signal by subtracting the transmission signal before th...
12/24/2009
20090191923POWER AMPLIFYING APPARATUS WITH BANDWIDTH LIMITATION PROCESSING ON VARIABLE POWER SUPPLY
A power amplifying apparatus has a bandwidth limitation process circuit to which an envelope signal included in a transmission signal is inputted, and which performs a bandwidth limitation process on the envelope signal, a variable power supply circuit for generating a ...
07/30/2009
 
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