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10212results about How to "Reduce error rate" patented technology

Non-Volatile Memory And Method With Accelerated Post-Write Read To Manage Errors

Data errors in non-volatile memory inevitably increase with usage and with higher density of bits stored per cell. The memory is configured to have a first portion operating with less error but of lower density storage, and a second portion operating with a higher density but less robust storage. An error management provides reading and checking the copy after copying to the second portion. If the copy has excessive error bits, it is repeated in a different location either in the second or first portion. The reading and checking of the copy is accelerated by reading only a sample of it. The sample is selected from a subset of the copy having its own ECC and estimated to represent a worst error rate among the copy it is sampling. One embodiment has the sample taken from one bit of each multi-bit memory cell of a group.
Owner:SANDISK TECH LLC

Automatic visual recognition of biological particles

A method and system provide the ability to automatically recognize biological particles. An image of biological particles (e.g., airborne pollen or urine) is obtained. One or more parts of the image are detected as containing one or more particles of interest. Feature vector(s) are extracted from each detected part of the image. Non-linearities are applied to each feature vector. Each part of the image is then classified into a category of biological particle based on the one or more feature vectors for each part of the image.
Owner:PERONA PIETRO +2

Magnetic tape, its cleaning method, and optical servotrack forming/cleaning apparatus

A magnetic tape which comprises a nonmagnetic support, a magnetic layer which is formed on one surface of the nonmagnetic support, and a backcoat layer which comprises a binder and nonmagnetic powder containing carbon black as a component and which is formed on the other surface of the nonmagnetic support, having pits for optical servo formed thereon, characterized in that the average of the reflectance on the flat portion of the backcoat layer is 8.5% or higher, and that the maximum rate of fluctuation of the reflectance on the flat portion, depending on a position of the magnetic tape:[Maximum of absolute value of (Reflectance−Average reflectance)]×100 / (Average reflectance)is 10% or lower. This magnetic tape is high in the initial S / N of the servo signal, and also high in the S / N of the servo signal found after the magnetic tape is run twice.
Owner:FUJIFILM CORP

Multi-rotor unmanned aerial vehicle for fast surveying and surveying method of multi-rotor unmanned aerial vehicle

InactiveCN104386249APrecise positioningAccurate flight attitudeAircraft componentsRotocraftAviationCamera lens
The invention discloses a multi-rotor unmanned aerial vehicle for fast surveying and a surveying method of the multi-rotor unmanned aerial vehicle, and belongs to the technical field of aviation surveying. The multi-rotor unmanned aerial vehicle comprises a rack, flight lifting mechanisms, a cloud deck mechanism and a control mechanism, wherein four plane arms extend out from the rack along a plane body, the lower part of the plane body is provided with foot stools, the plane arms and the foot stools are of foldable structures; and the flight lifting mechanisms are arranged at tail ends of the four plane arms, the cloud deck mechanism is mounted at the bottom of the unmanned aerial vehicle body through a mounting rod; the cloud deck mechanism is provided with a camera and is used for regulating an optical axis of the camera to be always perpendicular to the ground; and the control mechanism is used for controlling the unmanned aerial vehicle to fly to the appointed height and regulating the overturn of the cloud deck mechanism. The surveying method disclosed by the invention can be used for determining the relation between the shooting height and the imaging proportion by analyzing camera lens parameters, and then setting the flight line of the unmanned aerial vehicle. Through the adoption of the unmanned aerial vehicle, the surveying result can be fast obtained, and the surveying precision and efficiency are high.
Owner:安徽靓马信息科技股份有限公司
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