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7525084 |
Input device, electronic apparatus and method for controlling input device
An input device includes an input detection portion which enables detection of position inputs according to change of capacitance; a position detection portion which reads detection signals from...
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7521664 |
Laser direction detection
Apparatus for determining a direction of low power radiation originating from at least one source, the radiation arriving essentially collimated, the apparatus including an opening, at least two...
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7521665 |
Sensor system, sensor element, and method with a light sensor and an electrical sensor for monitoring a closing mechanism
In order to be able to reliably detect when an object is caught between two parts which move in relation to one another in a motor-driven closing mechanism, in particular in an electromotively...
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7521668 |
Optical audio microphone arrangement including a Michelson type interferometer for providing a phase difference between different parts of light beams
This invention relates to an optical audio microphone arrangement comprising at least a sensor arranged to be movable in response to sound waves and a Michelson type interferometer for measuring...
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7518099 |
Multifunctional optical sensor comprising a photodetectors matrix coupled to a microlenses matrix
Multifunctional optical sensor, comprising a matrix of photodetectors of the CCD or CMOS type, having a sensitive area divided into sub-areas, each of which, individually or combined with others,...
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7518098 |
Optoelectronic dust sensor device
The invention is based on a sensor device having at least one transmitter unit situated inside a sensor body, a receiver unit associated with the transmitter unit and situated inside the sensor...
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7516939 |
Dual detection sensor system for washroom device
A detection system for a washroom device evaluates outputs from an active sensor and a passive sensor to determine whether to activate the device (e.g., operate a valve in a sink or a lavatory)....
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7514668 |
Optical navigation device that utilizes a vertical cavity surface emitting laser (VCSEL) configured to emit visible coherent light
An optical navigation device includes a housing, a light source, a navigation sensor, and optics. In accordance with the invention, the light source is a vertical cavity surface emitting laser...
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7511624 |
Optical detection of oscillating targets using modulation of scattered laser light
The present invention provides systems and methods using a temporal-frequency sensitive receiver to detect laser light that is scattered by an oscillating object, thereby allowing remote monitoring...
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7511825 |
Pointing device
A pointing device includes a light source, an aperture member, and a detector. The light source provides incident light for illuminating an obverse surface of a plate at a predetermined incident...
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7507948 |
Method of detecting object using structured light and robot using the same
A method of detecting an object using a structured light and a robot using the same are disclosed. The method of detecting a floor object using a structured light includes measuring a height...
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7505136 |
Testing and tuning electrically dimmable windows
A dimmable window testing system comprises a light source configured to emit a beam of known intensity through a dimmable element of an electrically dimmable window system. A light intensity sensor...
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7504617 |
Device for detecting a thread during the detection of thread ends in a suction pipe
The device detects a thread during the detection of the ends of threads ( 21 ) in suction pipe ( 17 ) crossflown by air, comprising a sensor device ( 22 ) having a transmitter ( 31 ) and a receiver...
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7498560 |
Keypad with optical waveguide having at least one prism pattern
A keypad is provided. The keypad includes an optical waveguide on the top surface of which at least one prism pattern is formed, a light source for generating light and causing the light to be...
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7491926 |
Offset optical security sensor for a door
A security sensor apparatus senses movement of an object. The sensor apparatus includes an electronics arrangement having an optical emitter and an optical receiver. The optical receiver has an...
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7491958 |
Radiographic inspection system for inspecting the contents of a container having dual injector and dual accelerating section
A radiographic inspection system for inspecting subject objects using charged particle beams having pulses of charged particles with different energy levels from pulse to pulse. A phase shifter...
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7488925 |
Light control apparatus having a device for controlling the input signal light of an optical transmission path
A light control apparatus includes a part for splitting an input light entering the light control apparatus through an optical fiber, a photoelectric conversion part for converting a monitor light...
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7485843 |
Touch/proximity-sensing using reflective optical sensor and a light pipe for specularly reflecting light
The disclosure is directed to a touch proximity sensing system detecting the presence or absence of a triggering object. The system includes a reflective optical sensor, an active surface, and a...
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7485841 |
Multi-optical axis photoelectric sensor
A multi-optical axis photoelectric sensor is describes having a first indicating portion disposed at each of the light emitting and receiving units comprising a plurality of first indicating...
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7485887 |
Passive alignment of photodiode active area in three axes using microscopic focus
A fixturing system and microscope/video camera setup enables an operator to manipulate a photodiode into position optically using known good targets for the X and Y location and using microscope...
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7485818 |
Tilt switch
A tilt switch includes a base and a cover body. The base includes an upright support having a lower groove, and first and second lower passage holes communicated with the lower groove. An emitter...
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7476848 |
Optical sensor employing an injection-molded casing
An optical sensor for detecting objects within an area to be monitored comprises at least one casing to accommodate optical and electronic components. The at least one casing comprises casing...
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7476860 |
Outdoor active infrared detection apparatus with adjustable drive frequency
According to an embodiment, a light-projecting apparatus including a light-projector emitting an infrared light beam, a light-projector drive portion pulse-driving the light-projector; and a...
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7472437 |
Hospital bed obstacle detection device and method
A hospital bed obstacle detection device ( 412 ) and related method for detecting an obstacle between first and second components ( 24, 26 ) of a hospital bed ( 410 ).
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7472433 |
Method and apparatus for determining when hands are under a faucet for lavatory applications
A method of controlling a flow of liquid includes calibrating a PSD infrared sensor associated with the spout. The calibrating includes turning on the spout to thereby dispense a stream of liquid...
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7473884 |
Orientation determination utilizing a cordless device
A system for generating orientation information includes a reflector, an image collection system, and a processor. The image collection system is configured to collect at least two sets of image...
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7473885 |
System and method for calibrating the light source for an optical navigational system
Advantage is taken of the fact that in optical navigation devices it is possible to measure the intensity of light impacting the pixel array of photo-diodes. Based upon such an intensity...
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7470887 |
Collapsible structure for optical navigation system
A system for optical navigation includes an optical navigation sensor integrated circuit (IC) configured to generate image information for use in navigation sensing and a collapsible structure...
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7466229 |
Device for generating plane beam/conical shape beam and security device using generated plane beam/cone beam
Disclosed are an apparatus of converting a laser beam traveling straight to a beam propagated in all directions and a security system using the laser beam propagated in all directions. The laser...
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7465916 |
Optical detection sensor
One embodiment of the present invention provides an optical detection sensor configured so as to irradiate exit light emitted from a light source onto an object to be measured, the object being...
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7459670 |
Proximity sensor based on projection of structured light
This invention relates to a proximity sensor. An illumination means ( 2 ) projects an array of spots ( 40 ) towards a scene. Detector ( 8 ) looks towards the scene through a mask ( 6 ). The mask (...
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7459661 |
System for evaluating luminance and movement within an observation space, and method for controlling light sources within the observation space
A sensor system has a video camera and an evaluation unit, the evaluation unit receiving a video signal from the video camera and providing output information relating to luminance and movement of...
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7459672 |
Motion sensor with LED aiming aid
A motion sensor incorporates an internal light source, typically a super bright LED. A multi-lens system or an arrangement of small windows in front of the LED projects a visible light pattern that...
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7456382 |
Load sensor, method of detecting load and pedestrian protection system
A load sensor includes a optical fiber sensor that provides output analog signals in response to shocks of various magnitudes caused by hits by a vehicle on various objects, two or more amplifiers...
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7454935 |
Safety method and optoelectronic sensor
A method and an optoelectronic sensor are provided for ensuring the safety of a machine tool having a first tool part carrying out working movements in the direction of a second tool part. The...
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7452107 |
Rotary actuator with light guides and photo-sensor
A control element for a motor vehicle is disclosed that includes at least one rotary actuator and one actuating element integrated in the rotary actuator, whereby the actuating element can be moved...
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7449671 |
Method and apparatus for reeling control having an electromagnetic radiation detection
In a method and an apparatus for controlling reeling used in connection with the making of paper/board/some equivalent web-like material, a reeler is used in the reeling which has a reeling element...
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7446302 |
Optical vend-sensing system for control of vending machine
A transparent-front vending machine includes an optical vend-sensing system with an article sensing subsystem arranged athwart a vend space. The article sensing subsystem has two emitter/detector...
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7446300 |
Miniature electro-optic device having a conductive element for modifying the state of passage of light between inlet/outlet points and corresponding uses thereof
A miniaturized electro-optical device having a first zone facing a second zone, a first condenser plate, a second condenser plate arranged in the second zone and smaller than or equal to the first...
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7446301 |
Safety mechanism comprising a height-adjustable holding device
The invention relates to a safety device ( 45 ), in particular a beam-emitting and beam-receiving device, for a manufacturing machine ( 1 ), e.g. an edging press, with at least one retaining...
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7447605 |
System and method for calibrating a vending apparatus
A system and method for calibrating a vending apparatus is provided. A vertical base reference position of a selector arm is stored, wherein the vertical base reference position corresponds to one...
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7442914 |
System and method of determining a position of a radiation emitting element
A method and a system for determining the position of a radiation emitter, which radiation emitter may be an actively radiation emitting stylus, pen, pointer, or the like or may be a passive,...
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7442915 |
Signal conditioning circuitry
This invention relates to signal conditioning circuitry 14 a for an optical pointing device, the circuitry comprising: means 15 a for determining the rate of change of a signal generated on...
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7442917 |
Method for using a single optical emitter/receiver pair for creating a light curtain using LCD+MEMS technology for beam deflection
Systems and methods are disclosed that facilitate increasing a coverage area for an emitter-receiver pair in a light curtain by generating multiple light beams from a single emitter and aggregating...
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7442916 |
Lift detection adapted for navigation on a transparent structure
A pointing device such as an optical mouse is equipped with a top surface lift detection system that is able to provide lift detection whether the pointing device sits on a transparent structure or...
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7439484 |
Laser measurement apparatus using self-mixing effect
In an optical input device based on movement of an object ( 15 ) and the device relative to each other and which comprising at least one optical sensor unit including a laser ( 3 ) having a laser...
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7437778 |
Automatic bathroom flushers
An automatic bathroom flusher includes a body having an inlet in communication with a supply line and an outlet in communication with a flush conduit, a valve assembly in the body positioned to...
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7435941 |
Methods for measuring optical characteristics by differential diffractive scanning
Methods and systems for measuring and/or inspecting a characteristic of an optical article are provided. In one example, a method includes illuminating an optical article with a focused beam of...
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7435942 |
Signal processing method for optical sensors
A signal processing method is provided for sensing movement of an optical sensor relative to a surface. Generally, the method includes steps of: (i) generating sets of signals responsive to motion...
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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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