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73results about How to "Carry-out inexpensively" patented technology

Method and device for detecting and processing electric and optical signals

The invention relates to a method for detecting and/or processing signal waves that produce charge carriers in an article sensitive to the signal waves, said charge carriers inducing a signal current in at least one readout electrode. At least two modulation electrodes are provided, at least one of which is disposed in the proximity of the at least one readout electrode or to another readout electrode in such a manner that, depending on the polarity sign of the modulation volatage of the respective modulation electrode, the current flowing across the associated readout electrode is positive or negative. The invention further relates to a device for detecting and processing signal waves. Said device comprises an OEP article that is sensitive to the signal waves, in which article the signal waves produce charge carriers, and at least one readout electrode (AK) that is linked with the charge carrier range of the article. At least two modulation electrodes (MKa, MKb) are provided, at least one of which is disposed in the proximity of the at least one readout electrode (AK) and the other in the proximity either of the same readout electrode (AK) or of another readout electrode (AK2). The aim of the invention is to provide a method and a device that is capable of interlinking various optical and/or electronic signals in a logically digital or analogous manner or to detect the course of optical signals by scanning (time interval measurements). For this purpose, the modulation electrodes are modulated with relatively freely selectable voltage amplitude and/or phase relation, whereby the readout currents produced by the modulation voltages of the two modulation electrode are additively coupled. The inventive device is characterized in that the modulation electrodes are disposed relative to the readout electrode(s) in such a manner that, depending on the polarity sign of the modulation voltages of the respective modulation electrode, the current flowing across the associated readout electrode is positive or negative and that at least one device is provided by which the relative phase relation and/or the voltage amplitude of the two modulation voltages can be freely adjusted.
Owner:PMDTECHNOLOGIES

Position detecting device

A position detecting device in which a count value is incremented or decremented on the basis of a pulse output from an encoder every predetermined shift amount of a control target to thereby detect a current value representing a current position of the control target as the count value, is characterized by comprising: initialization signal output means for outputting an initialization signal representing an initialization position at plural positions of a movable range of the control target when the movable range of the control target is restricted, or at plural positions of an operating range of integer times of a period when the movable range of the control target is not restricted and the same state is repeated at the period concerned; current value storing means for storing, in association with identification information for identifying each initialization signal, the current value of the control target at each position where the initialization signal is output by each initialization signal output means; and count value setting means for moving the control target to a position where some initialization signal is output from the initialization signal output means at the initialization time of the count value, and achieving the current value corresponding to identification information for identifying the initialization signal from the current value storage means, and setting the current value thus achieved as the count value.
Owner:FUJI PHOTO OPTICAL CO LTD

Tracking system for lightweight solar collector assembly and array

A tracking system for a solar collector assembly array where the tracking system includes a coplanar circular rim structure including multiple circular rims, where each circular rim is fitted around a respective solar collector and where each solar collector has a general shape of a sealed and inflated cylindrical tube housing having a longitudinal center axis and where each solar collector is in a horizontal planar array with respect to each other. The tracking system further includes a first elongated frame structure for supporting the circular rim structure such that all of the circular rims are generally vertically coplanar with one another. The tracking system further includes a cable serially wrapped around each of the respective circular rims to form a closed cable loop where the wrapped cable forms a series of a generally vertical coplanar loops with each loop contacting around a respective rim structure such that at least one generally complete gripping loop is formed on each respective rim. An actuator is attached to the frame structure such that actuator provides a controllable driving force to the closed cable loop to allow for controlled rotation of each solar collector assembly around its respective longitudinal axis.
Owner:THE UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF THE NAVY
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