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33995results about How to "High measurement accuracy" patented technology

Probe for use in non-invasive measurements of blood related parameters

A probe device for use in non-invasive optical measurements of at least one parameter of the patient's blood. The probe device comprises a finger holder in the form of a clip member that secures a fingertip between its clamping legs. The probe device supports a measuring unit for applying optical measurements to a measurement location on the finger and carries a pressurizing assembly operable for applying controllably variable, substantially under-systolic pressure to the finger in the vicinity of the measurement location. Several measurement sessions are performed at the measurement location with at least two different 3 wavelength of incident light to detect light response of the medium and generate measured data indicative thereof, and the pressure applied to the vicinity of the measurement location is simultaneously varied during measurements. The light response of the medium corresponding to different wavelength of the incident light and different pressure values during measurements. The light response of the medium corresponding to different wavelength of the incident light and different pressure values is analyzed, and an optimal pressure value is determined, so as to utilize the corresponding light response of the medium for deriving therefrom the at least on blood parameter.
Owner:ORSENSE LTD

Measurement device, insulin infusion device, measurement method, method for controlling insulin infusion device, and program

ActiveUS20110257496A1Easily and precisely measureMeasured value easilyMaterial analysis by electric/magnetic meansInertial sensorsInsulin infusionLife activity
Provided are a measurement device by which the blood-sugar level or the like associated with the living activity of a diabetic patient can be measured easily and precisely and the measured valued associated with the living activity can be clinically applied easily, and an insulin infusion device, a measurement method, a method for controlling an insulin fusion device, and a program. A blood-sugar level measurement device (100) is provided with a blood-sugar level sensor (200) and an acceleration sensor (112) for measuring movement information associated with human body activity, wherein a CPU (110 controls, on the basis of the measured movement information, whether or not the measurement operation of a blood-sugar measurement circuit (113) can be executed. The CPU (110) further associates and records in a recording unit (111) the measured blood-sugar level and the movement information measured by the acceleration sensor (112), and displays the associated blood-sugar level and movement information on a display unit (102). The CPU (110) further combines the blood-sugar level measured by the blood-sugar level sensor (200) and the data detected by the acceleration sensor (112) and executes each mode processing.
Owner:PHC HLDG CORP

Cucumber picking robot system and picking method in greenhouse

The invention discloses a cucumber picking robot system in a greenhouse environment. The robot system comprises a binocular stereo vision system, a mechanical arm device and a robot mobile platform; the binocular stereo vision system is used for acquiring cucumber images, processing the images in real time and acquiring the position information of the acquired targets; the mechanical arm device is used for capturing and separating the acquired targets according to the position information of the acquired targets; and the robot mobile platform is used for independently moving in the greenhouse environment; wherein, the binocular stereo vision system comprises two black and white cameras, a dual-channel vision real-time processor, a lighting device and an optical filtering device; the mechanical arm device comprises an actuator, a motion control card and a joint actuator; and the robot mobile platform comprises a running mechanism, a motor actuator, a tripod head camera, a processor and a motion controller. The invention also discloses a cucumber picking method in the greenhouse environment. The method of combining machine vision and agricultural machinery is adopted to construct the cucumber picking robot system which is suitable for the greenhouse environment, thus realizing automatic robot navigation and automatic cucumber reaping, and reducing the human labor intensity.
Owner:SUZHOU AGRIBOT AUTOMATION TECH

A method of 3D contour measurement of a workpiece on a conveyor belt based on line laser scanning

The invention discloses a method of 3D contour measurement of a workpiece on a conveyor belt based on line laser scanning. The method comprises the following steps of obtaining camera internal and external parameters through camera calibration, carrying out filtering and laser light strip center position initial extraction through an image preprocessing step, carrying out sub-pixel precision refinement on the center coordinates of a light bar, obtaining a light plane equation through the laser light plane calibration and finally carrying out reconstruction and measurement of the three-dimensional contour information of a workpiece to be measured. The workpiece 3D contour measurement brought forward by the invention has the following advantages: a high measurement precision which means thethree-dimensional contour information of the workpiece to be measured can be accurately obtained through the laser light bar extraction with sub-pixel precision and 3D reconstruction; a fast measurement speed which means real-time measurement of 3D contour information of the workpiece to be tested can be realized to improve the efficiency of industrial production site operations; and low hardwarecosts which is realized in a hardware implementation mode in which laser is combined with a monocular camera. Accordingly, the technical method of the application has advantages such as being in a non-contact mode, high in measurement precision, fast in speed and low in cost, and can be applied to an industrial automation production process to realize accurate measurement of the 3D contour information of the workpiece on the conveyor belt.
Owner:CHANGSHA XIANGJI HAIDUN TECH CO LTD

Test element analysis system

Test element analysis system for the analytical investigation of a sample, in particular of a body liquid of human beings or animals, comprising test elements (2) with a carrier film (5) and a test field (7) fixed to the flat side (6) of the carrier film (5), the test field (7) containing a reagent system the reaction of which with the sample (21) leads to an optically measurable change in the detection zone (24) which is characteristic for the analysis, and an evaluation instrument with a measuring device for measuring the optically measurable change. In order to obtain a very high measuring accuracy and an easy handling at the same time, the carrier film (5) of the test element (2) comprises a light guide layer (26), the detection zone (24) of the test field (7) is in optical contact to the light guide layer (26) in a coupling out zone (33), enabling the coupling out of light from the light guide layer (26) to the detection zone (24), the primary light (29) of the light emitter (16) is coupled into the entry surface (31) in the light guide layer (26) in such a manner that a light guide section (32) of the light path of the primary light (29) runs between the entry surface and the detection zone (24) inside the carrier film (5), and the secondary light is reflected from the detection zone (24) into the light guide layer (26) in such a manner that a light guide section (34) of the light path of the secondary light runs between the detection zone (24) and the detector (17) inside the light guide layer (26).
Owner:ROCHE DIAGNOSTICS GMBH

Method for measuring substance and testing piece

A method of measuring an analyte, comprising a step of measuring a detectable substance by using a reaction system including a formation reaction of the detectable substance based on a chemical reaction of the analyte contained in a sample, wherein a layered inorganic compound is caused to exist in the reaction system including the formation reaction of the detectable substance, whereby high-sensitivity measurement is made possible, the detectable substance can be stabilized to improve accuracy of the measurement, a rate of a chemical reaction is increased to enable quick measurement, and high-sensitivity measurement is made possible even in a reaction system which forms an insoluble substance. Also, it can be provided an analytical testing piece for measuring an analyte, by measuring a detectable substance by using a reaction system including a formation reaction of the detectable substance based on a chemical reaction of the analyte contained in a sample, wherein the testing piece comprises at least one test portion having a detection portion for detecting the detectable substance and contains a layered inorganic compound at least in the test portion, whereby diffusion and elution of a dyestuff or the like is prevented, more sensitive and accurate simple analysis is made possible, and easy handling is possible.
Owner:ARKRAY INC
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