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39results about How to "Significant motion" patented technology

Electric oscillating drive

InactiveUS20090304534A1Disadvantageous effects of the force of gravity on the oscillating systemSignificant motionPiezoelectric/electrostriction/magnetostriction machinesFlexible member pumpsPiezoelectric actuatorsControl arm
An electric oscillating drive with at least one oscillating system (1), which is driven in an oscillating manner by an actuator, especially a piezo actuator (2) or an oscillating armature magnet generating periodic force pulses with a small motion amplitude with adapted natural frequency in a preset plane (31). At least one oscillating arm (30′) performing oscillating motions has a resonant mass (55′) and with a balance arm (60′), which is in mechanical driving connection with a working member (7) of a working device, especially of a pump (3), which working member is to be driven in an oscillating manner. The oscillating arm (30, 30′) is fastened to two levers of unequal length, namely a control arm (32′) and a driving lever (33′). At least one of these two levers, especially the control arm (32′), is flexurally elastic at least in some sections. Its end not connected to the oscillating arm (30′) is immovably connected to a frame part (45, 62), in which the actuator (2) is mounted, at a point located remotely from the oscillating arm (30′). The driving lever (33′) is in a motion-transmitting connection with the actuator (2) in such a way that the force pulses of the actuator (2) are sent to the oscillating arm (30′) to generate pendular oscillating motions in a direction that extends at least approximately in parallel to the direction of extension thereof in the inoperative position.
Owner:RICHTER SIEGFRIED

Image sensor, optical pointing device and motion calculating method of optical pointing device

An image sensor, an optical pointing device and a motion calculating method of the optical pointing device are disclosed. The optical pointing device includes an image sensor for obtaining and providing a surface image corresponding to a motion searching range; and an image processor for determining a direction and a length of an X axis and a Y axis of the motion searching range and a reference area to continuously obtain the surface image corresponding to the direction and length of the X axis and Y axis, obtaining a reference frame and a current frame using the continuously obtained surface image, setting a certain area of the reference frame corresponding to the direction and length of the X axis and Y axis of the reference area as the reference area, and calculating a correlation between the reference area and the sample frame, to thereby calculate motion. The image sensor can obtain the larger surface image in the X axis direction. Thus, even though the optical pointing device collects the image at a low sampling rate, there is an effect in that larger motion of the optical pointing device for the X axis direction can be calculated. This helps reduce the operating speed of the semiconductor to thereby reduce power consumption.
Owner:ATLAB INC
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