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7071459 |
Interference compensation optically synchronized safety detection system for elevator sliding doors
A method for detecting interference energy in a sliding door safety system includes the steps of disposing at least one emitter along a first vertical surface, disposing at least one receiver...
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7034950 |
Laser grid for measuring distance
The laser grid ( 1 ) permits a single-sided installation in order to record a person or object in the monitoring area. The grid operates using punctiform sensor units ( 3 ), each including at least...
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6965109 |
Multistage active infrared sensor
In a multistage active infrared sensor, light emitters 11 A, 11 B, 11 C emit infrared signals which contain distinct channel information. These light emitters 11 A, 11 B, 11 C emit the...
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6958480 |
Sample desorption/ionization from mesoporous silica
Mesoporous silica is shown to be a sample holder for laser desorption/ionization of mass spectrometry. Supported mesoporous silica was prepared by coating an ethanolic silicate solution having a...
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6875985 |
Electomagnetic detection apparatus
An infrared absorption gauge includes a detector circuit including a detector for detecting electromagnetic radiation from a sample and for generating a signal representing the radiation received,...
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6812468 |
Thermal-wave measuring method
The simultaneous multi-frequency excitation with two or more discrete frequencies of an electrically modulatable hot light source enables the parallel evaluation corresponding to the different...
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6775419 |
Image processing method, image processing apparatus, and storage medium for storing control process
An image processing method includes the steps of resolving the color of an image on a transparent original to extract an infrared component, detecting the level of the infrared component, detecting...
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6690016 |
Process control by transient thermography
A method and apparatus for detecting, locating, isolating and controlling variations in the manufacturing process by transient thermography. A heat source ( 200 ) imparts heat to a surface which is...
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6633035 |
Water content-measurement method and water content-measurement apparatus, and electrical component-fabrication method using the measurement apparatus and method
A measurement method and apparatus, which are capable of simply measuring the water content of an object with a high degree of accuracy, is characterized by irradiating the surface of the object...
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6555804 |
Method and device for detecting objects on a windshield
The invention relates to a method and device for detecting objects ( 3 ) on a windshield ( 2 ). The method comprises the following steps: Placing an optical sensor array ( 4 ) on the inner side of...
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6538251 |
Radiation source assembly and transducer for analyzing gases or other substances
A radiation source assembly and transducer incorporating same are suitable for use in measuring spectral absorption properties of a substance to be analyzed, such as a gas. The radiation source...
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6495832 |
Photoelectric sensing array apparatus and method of using same
A photoelectric sensor array apparatus and method, relates to at least two photoelectric rail elements each having alternating light emitting diode transmitters and photo detecting receivers. The...
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6437333 |
Holding apparatus, transferring apparatus, image taking system, and image taking method
A holding apparatus including a suction nozzle which applies a negative pressure to a back surface of an object and thereby holds the object, a front-surface lighting device which emits a first...
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6291824 |
Apparatus and method for high-bandwidth optical tomography
An apparatus and method for dramatically increasing the imaging rate of optical tomography are disclosed. The novel technique is based on precise, time-resolved measurements. Measurements may...
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6275294 |
Analyzing device
A device for and a method of analysing a sample, comprising: a sample positioning unit (1) for positioning a sample (3); a radiation generating unit (16) for providing at least one beam of...
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6218967 |
Arrangement for the optical remote control of apparatus
An arrangement for the optical remote control of an apparatus such as a data terminal, an online bill payment terminal, movement surveillance equipment or the like, employing the palm of a hand or...
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6104032 |
Filter inspection system
A filter inspection system for inspecting filters comprising a support frame for supporting a substantially tubular filter having inner and outer surfaces for rotation about its axis, a source of...
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5929444 |
Aiming device using radiated energy
An aiming device (or method) which monitors rotational and angular displacement changes with high precision. The detected changes in rotation and/or angular displacement are then used in various...
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5859435 |
Content measuring apparatus for plant leaf
A content measuring apparatus has a light source for irradiating near infrared light on a leaf, a light intensity detecting device for receiving transmitted light from the leaf, an operation means...
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5763891 |
Non-visualized information recording medium and apparatus for detecting the same
A method and apparatus for processing a medium on which an identification mark is formed using a plurality of recording materials having fluorescent characteristics in wavelength regions almost...
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5760400 |
Method and a device for photothermally testing workpieces
A method for photothermally testing workpieces, which includes the steps of directing an electromagnetic excitation beam to a desired measuring point on the workpiece surface, detecting and...
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5729013 |
Wellbore infrared detection device and method
A production logging device, insertable into a cased or uncased wellbore for determining concentration of specified components in flowing production fluid, is provided having a tool body sized...
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5690430 |
Apparatus and method for measuring temperature and/or emissivity of steel strip during a coating process
Method and apparatus for measuring the surface temperature/emissivity of coated steel strip during a coating (e.g., galvannealing) process. The apparatus includes first and second radiation sensors...
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5623139 |
CCD X-ray microdensitometer system
A system is disclosed for producing images representing radiation dose distributions in order to verify the radiation dose applied to a target area. The system uses a phantom assembly constructed...
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5621220 |
Apparatus for evaluating measuring values
An apparatus evaluates measuring values from a laminar material, wherein the laminar material is moving in a single plane in a predetermined direction, the laminar material being moved also being...
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5548120 |
Linear integrating cavity light source for infra-red illumination of sensitized media
A highly uniform infrared illumination source for illuminating a stripe of a moving sensitized web for line scan imaging of imperfections in the coating on the web by a CCD imaging camera. A light...
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5509505 |
Arrangement for detecting elevator car position
An arrangement for detecting elevator car position relative to a floor landing includes an optical potentiometer associated with both the elevator car and the interior of an elevator hoistway. One...
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5483069 |
Validation apparatus for flat paper object
An apparatus for validating bank bills including a reading apparatus for reading patterns on each bank bill to identify the bank bill by comparing the read data with pattern data of true bills...
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5449911 |
Method and apparatus for measuring form parameters of items
A method and an apparatus for measuring form parameters of items (2) utilizing a camera (10) which is sensitive to infrared light, and, while passing the items through a field of view (11) of the...
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5424545 |
Non-invasive non-spectrophotometric infrared measurement of blood analyte concentrations
A new non-invasive non-spectrophotometric method for measuring the blood concentration of analytes such as glucose has been developed. The apparatus and methods of the invention exploit analogies...
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5420430 |
Detection systems for detecting obstructions in doorways
A detection system includes an infrared emitter (2) and an infrared detector (8) having optical axes (6) and (12) extending parallel to one another but being offset from one another. As the...
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5389789 |
Portable edge crack detector for detecting size and shape of a crack and a portable edge detector
A detector for detecting edge cracks in the web in a papermaking machine includes a plurality of light sources for directing light at the web and a plurality of light sensors for receiving the...
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5326173 |
Apparatus and method for remote temperature measurement
An apparatus and method for remotely measuring emissivity and hence temperature of a surface of an object. The apparatus includes a detector having a radiation receptor for measuring infra-red...
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5311023 |
Filter inspection apparatus
A filter inspection apparatus for inspecting filters comprises a support frame for supporting a substantially tubular filter having inner and outer surfaces for rotation about its axis, a source of...
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5270214 |
Method for sequencing DNA base pairs
The base pairs of a DNA structure are sequenced with the use of a scanning tunneling microscope (STM). The DNA structure is scanned by the STM probe tip, and, as it is being scanned, the DNA...
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5266805 |
System and method for image recovery
A system and method to compensate for effects of a recording medium such as film on image data retrieved therefrom. Red, green, blue, and infrared light is sequentially transmitted through film...
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5251003 |
Device for monitoring of alignment of two optical paths and laser designation system equipped with such a monitoring device
The invention relates to a device for monitoring of alignment of two optical paths, a laser aiming path and an infrared imaging path. The monitoring device according to the invention is composed of...
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5245188 |
Apparatus for evaluating the grade of rice grains
An apparatus for evaluating the grade of rice grains includes a grain supply unit, vibrating troughs on which the rice grains run in their longitudinal posture, flow-down troughs having slits each...
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5225678 |
Spectoscopic sampling accessory having dual measuring and viewing systems
A microscope accessory uses symmetrical pairs of identical parabolic mirrors as an imaging optic to map a specimen plane with a remote focus. A mask at the remote focus defines at least one...
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5142152 |
Sliding door sensor
A sliding door sensor employs two arrays of IR emitters which are pulsed to provide an approach detection zone and a threshold detection zone. Radiation reflected from the detection zones is...
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RE33789 |
Monitoring technology
A process for infrared spectroscopic monitoring of insitu compositional changes in a polymeric material comprises the steps of providing an elongated infrared radiation transmitting fiber that has...
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5077477 |
Method and apparatus for detecting pits in fruit
A method and apparatus for the detection of pits and abnormalities in various stone fruits. The apparatus transmits a first plurality of beams of light (18) across inspection zone (14) and...
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5073714 |
Method and apparatus for detecting amplitude and frequency of web flutter using infrared optical sensor
Web flutter in a papermaking machine is monitored by a device which illuminates a portion of the web with infrared light and uses an infrared sensor to monitor the resulting infrared light...
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5039857 |
Scanner for sizing apparatus
In apparatus for sizing and bandsaw cutting of meat, the product is conveyed in a rotary path over a table (18) equipped with a radial line of inspection devices (22), the output signals of which...
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5023451 |
Indicia contrast enhancement for vehicle borne infrared vision system
In conjunction with a vehicle borne infrared receiver, sign indicia are defined by infrared reflective surfaces oriented so as to reflect infrared radiation to the receiver from a contrast...
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5019710 |
Optical system for detecting properties of traveling sheet materials
A system for detecting optically-sensitive properties of sheet materials during manufacture includes a first group of bundles of optical fibers that convey light to selected transmitting locations...
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5014713 |
Method and apparatus for measuring thickness of fat using infrared light
A body fat thickness measuring device comprising a pair of infrared emitting diodes, one emitting a steady, low-intensity light, and the other emitting periodic, high-intensity pulses of light, to...
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4996430 |
Object detection using two channel active optical sensors
An apparatus for detecting target objects which exhibit ratios of reflectance values that are substantially the same at two separated wavelengths when compared with background objects having...
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4974182 |
Method and system for optically measuring simultaneously the emissivity and temperature of objects
A system and method for optically measuring simultaneously the emissivity d temperature of an object and the ambient temperature with a successive determination of values of spectral radiance or...
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4973844 |
Vehicular moisture sensor and mounting apparatus therefor
A moisture sensing assembly, adapted for mounting on the inner surface of a vehicle window or windshield to control vehicle accessories such as windshield wipers, maximizes the window are a being...
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