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7429744 |
Reduced cost and complexity media recognition system with specular intensity light detector
Media type is detected. A light beam is produced. The intensity of a specular reflectance component of the light beam is detected. The specular reflectance component results from the light beam...
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7429726 |
Image displaying and capturing devices
A system for displaying and capturing images is provided. The system includes a display unit, a detection module. The display unit provides a first light according to a scan signal and a data...
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7427748 |
Reflection type photoelectric switch
A circuit substrate is divided into a light emitting circuit substrate 60 and a light receiving circuit substrate 70, and they are disposed in a first casing 21 in a two-tier fashion, and the...
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7423256 |
Information handling system light sensor
A light sensor apparatus includes a support surface. A wall is located adjacent to and spaced apart from the support surface. A light aperture is defined by the wall. A light sensor is coupled to...
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7423633 |
Apparatus for controlling the position of a screen pointer with low sensitivity to fixed pattern noise
An apparatus for controlling the position of a screen pointer includes an at least partially coherent light source for illuminating an imaging surface, thereby generating reflected images. The...
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7420157 |
Optical encoder having wiring substrate light source, and/or photodetector covered by light transmitting material and its manufacturing method
An optical encoder comprises a sensor head including a light source and a photodetector and a scale that moves relative to the sensor head. The light emitted from the light source is reflected,...
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7420542 |
Apparatus for capturing and analyzing light and method embodied therein
An apparatus including an image sensor is disclosed. The apparatus includes a polarization filter, an image sensor, and a processor connected to the image sensor. The polarization filter is adapted...
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7420155 |
Optical tactile sensor and method of reconstructing force vector distribution using the sensor
The invention relates to a tactile sensor capable of obtaining information for a plurality of degrees of freedom at each point on a surface. An optical tactile sensor is provided with a sensing...
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7417217 |
Regressive reflection type photoelectric switch
A concave curved surface 95 is formed on a light inputting surface 93 of a light emitting lens 43 , and a convex curved surface 96 is formed on a light emitting surface 94 . Only laser...
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7417621 |
Optical mouse
An illumination control device is used in an optical pointer to cooperate with an optical sensor module and a light-emitting device to emit proper illuminance of light. The illumination control...
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7414235 |
Handheld locating device with a sensor for detecting motion parameters
A handheld device. In particular a locating device, includes a housing ( 10 ), which is movable with a handle unit ( 12 ) over a surface of an item being examined and which has a sensor unit ( 16 )...
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7414236 |
Monitoring devices and intrusion surveillance devices
A security surveillance device that includes an electromagnetic wave sensor for sensing an electromagnetic wave of an external electromagnetic wave source and an anti-tampering arrangement. The...
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7412861 |
Device for monitoring an area of coverage on a work tool
A device for monitoring an area of coverage on a work tool may comprise a lighting unit, a camera, and an evaluation unit. The lighting unit may be adapted to emit light rays for illuminating the...
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7411175 |
Spotlight mounted motion detector
An object-detection system for use with a police vehicle that is operative to provide an alarm to the police officer sitting in the vehicle of an approaching object. The system includes an...
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7411174 |
Sensor-controlled LED array apparatus and method
An apparatus for selectively emitting light is provided. The apparatus has at least one light-emitting diode (LED) for emitting light. and a sensor that responds to the presence of a signal, such...
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7408145 |
Light sensing instrument with modulated polychromatic source
An apparatus is described for assessing plant status using biophysical and biochemical properties of the plant remotely sensed by the invention thereby allowing selective monitoring, elimination or...
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7405390 |
Position detection system
A plurality of optical beacons that emit light in respective light emitting patterns containing an ID code are distributed and installed in a space in which of a mobile body are moved. The mobile...
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7405388 |
Video centerscope for machine alignment
This invention can be attached to the head of a milling machine and performs the functions of a center scope and an edge finder. Unlike a center scope or an edge finder it does not have to be...
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7405389 |
Dense multi-axis array for motion sensing
The present disclosure describes an optical displacement sensor having a dense multi-axis array of photosensitive elements. Generally, the sensor includes a two dimensional array of multiple...
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7402790 |
Fiber optic security system for sensing the intrusion of secured locations
A sensor for a security system is disclosed to detect intrusions at one or more predetermined locations wherein each location includes a moveable member which must be moved in order to intrude the...
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7398944 |
Hands-free electronic towel dispenser
A hands-free towel dispenser for dispensing a measured sheet from a roll of towel material includes a housing having an internal volume so as to retain at least one roll of towel material therein....
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7399954 |
System and method for an optical navigation device configured to generate navigation information through an optically transparent layer and to have skating functionality
A method and system for an optical navigation device configured to generate navigation information through a transparent layer. Specifically, the optical navigation device includes a light source...
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7399955 |
Low profile optical navigation sensor
An apparatus having a coherent light source, an optical sensor, and a controller that can be utilized in optical mice and the like is disclosed. The coherent light source emits coherent light in a...
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7399953 |
Light source control in optical pointing device
An optical pointing device includes a light source configured to respond to a drive current to provide at least partially coherent light to illuminate an imaging surface to thereby generate...
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7397022 |
Sensor arrangement to prevent reference light incident on side of photodiode
A sensor arrangement, in particular as part of a reflection light barrier, includes a carrier as well as a photodiode, a first light emitting diode for emitting a measuring light beam, and a second...
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7394058 |
Touch screen with light-enhancing layer
A touch indication device comprises a light guide structure for passing light of a light source via total internal reflection. A touch surface disturbs the total internal reflection when touched,...
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7391006 |
Fingerprint scanning device with contact image sensing module
A fingerprint scanning device and an electronic device with a fingerprint scanning function are proposed. The fingerprint scanning device has a contact image sensing module, a signal conversion...
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7391007 |
Optoelectronic apparatus and method of operating the optoelectronic apparatus in order to detect an object
A method for the detection of an object includes transmitting light in the direction of a reflector by a transmitter. The transmitted light is reflected by the reflector and is imaged as a...
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7388188 |
Apparatus, system and method for detecting a position of a movable element in a compartment
The apparatus, the system and the method measure a distance and/or an intensity of emitted light. The apparatus and the system have a compartment, a movable element and/or a sensor array in an...
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7381940 |
Light receiving element for position detection having a plurality of resistance units and sensor and electronic apparatus having the same
A light receiving element includes a plurality of light receiving cells arranged in matrix each of which converts an incident light into an electric signal and has an anode electrode and a cathode...
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7381941 |
Contact image sensing module with movement detecting function
A contact image sensing module with movement detecting function has a main circuit substrate, a linear sensor array, at least a movement detecting element, a light source, a light-guiding device,...
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RE40338 |
Two dimensional object position sensor
Apparatus and method for sensing the position, size, shape and location orientation of one or more objects in two dimensions. The position sensor uses arrays of light sensors mounted on a...
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7378643 |
Optical projection encoder with patterned mask
An Optical Projecting Encoder (“OPE”) having an emitter module for transmitting emitted optical radiation through a mask to a moving object, and a detector module for receiving reflected...
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7378990 |
Laser locus ball apparatus for a wireless keyboard
A laser locus ball apparatus for a wireless keyboard includes a base, a laser source generator, a locus ball, a light sensing element and a key cover. The base provides a lateral plate with a...
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7378642 |
Counting apparatus and method for a poultry processing plant
A counting system for a poultry processing plant that uses conveyors is disclosed. Two types of conveyors are addressed, one where poultry hang from the conveyor and one where the carcasses are...
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7378641 |
Device and method for identifying an object in or on a closable opening
The invention relates to a device and a method for identifying an object O in an opening that can be closed by means of a mobile element ( 12 ). Light is fed into at least one fiber-optic light...
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7375613 |
Passive entry sensor system
Passive entry sensor systems and associated sensors are disclosed. The system sensor is locatable in the handle of a door or like structure and can provide an electromagnetic radiation beam...
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7375313 |
Aimable motion-activated lighting fixture with angulated field
A motion-activated light fixture having an aimable motion detector with a zonal configuration providing improved monitoring of the region behind the motion detector. In one embodiment the motion...
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7372014 |
Corrosion-proof pool deck connector system
A poolside connector system and method for use with swimming pool race timing systems and signaling devices. A deck plate or similar poolside signal junction is provided with an optical receiver...
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7372011 |
Strobe light and laser beam detection for laser receiver having a comparison of variation in energy levels among photodetectors
A device and method detect a moving, relatively thin beam of laser light, and distinguishing between illumination of photodetectors by the beam, and illumination of the photodetectors by an...
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7368704 |
Self-contained fork sensor having a wide effective beam
A system and method for providing a fork sensor including an emitter, a receiver, and at least one lens assembly wherein the width of the effective beam does not depend upon the size of the emitter...
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7368702 |
Multi-optical-path photoelectric safety apparatus
A multi-optical-path photoelectric safety apparatus or a light curtain is placed in front of a pressing machine or a folding machine. Optical paths are set as a floating blanking area B (some paths...
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7368703 |
Optoelectronic input device, method for production of such a device, and method for measuring the movement of an object with the help of such a device
The invention relates to an optoelectronic input device ( 10 ) in which the input is formed by detected movements of an object (M), the device comprising an optical module ( 11 ) comprising at...
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7365303 |
Optical sensor device to be installed on board a motor-vehicle for aid in driving and/or for automatic activation of systems provided on the motor-vehicle
An optical sensor device that can be installed on board a motor vehicle for aid to driving and/or for automatic activation of one or more on-board systems according to the environmental conditions...
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7359564 |
Method and system for cancellation of ambient light using light frequency
Compensation of the effects of uncontrolled light in an imaging system using a controlled light source. Light from the controlled light source reflected by an object and uncontrolled light are...
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7358473 |
Object detecting system
An object detecting system, which is installed in a vehicle, uses a camera comprising an optical lens, a distance measuring image chip, and an illumination device to detect information about an...
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7359640 |
Optical coupling device and method for bidirectional data communication over a common signal line
Optical coupling device operates over a bidirectional data link between at least first and second communicators, each communicating data along a common wire of the data link. The device includes at...
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7355164 |
Touch-sensitive momentary-contact switch and control device having the momentary-contact switch
An infrared momentary-contact switch for a control device of a domestic appliance, has a transmitter which emits infrared radiation and a receiver which receives infrared radiation. The transmitter...
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7355160 |
Color enhanced optical mouse
A pointing device and method for using the same to measure the motion of that pointing device over a surface is disclosed. The pointing device includes an illumination system, an imaging system,...
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7355161 |
Systems and methods for controlling windows with variable light transmission
Systems and methods for controlling windows with variable light transmission are disclosed. In one embodiment, a system includes a sensor adapted to receive a light intensity, a user input device...
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