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6784415 |
Method of installing a multi-beam photoelectric safeguard system and method of adjusting its optical axes
A method of installing a multi-beam photoelectric safeguard system for making a light curtain of closely aligned light beams closely to a pressing machine first positions main light emitting and...
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6781110 |
Apparatus and method for measuring vehicle speed and/or acceleration
An apparatus and method for measuring the speed and/or acceleration of a vehicle traveling on a vehicle path includes at least one radiation emitting device and at least two radiation receiving...
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6781676 |
Structured lighting detection of vehicle occupant type and position
An apparatus ( 12 ) for determining the location of a vehicle occupant ( 20 ) in a vehicle interior includes a light source ( 40 ) for projecting at least one structured light beam ( 42 ) onto an...
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6778092 |
Method of, and apparatus for, controlling a safety-specific function of a machine
A method of controlling at least one safety-specific function of a machine. The method includes monitoring a monitoring region with at least one location-resolving and time-resolving sensor, where...
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6774352 |
Multi-beam photoelectric sensor and its mount
A multi-beam photoelectric sensor ( 10 ) includes a light emitter and a photo detector each having an elongate casing ( 13 ). At least one of opposite lengthwise ends of the casing ( 13 ) is...
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6774351 |
Low-power surface for an optical sensor
A surface having specular regions shaped to reflect incident light toward an optical sensor provides an ideal surface to be scanned by an optical mouse. When light is shined upon the surface, the...
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6770864 |
Light beam operated personal interfaces to computers
An optical input apparatus includes a light source of a directional light beam and a receiving module. The receiving module contains a collection of photodetectors through which information can be...
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6770869 |
Method of automatic standardized calibration for infrared sensing device
A method for calibrating automatic infrared sensing devices having control modules, an IR detector, and an IR emitter by using a select infrared emitter/detector pair to calibrate a plurality of...
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6770863 |
Apparatus and method for three-dimensional relative movement sensing
An apparatus for sensing three-dimensional relative movement includes a movable motion sensor including a first and a second two-dimensional array of photo detectors. At least one lens directs...
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6765193 |
Optical touch switch structures
Optical touch switches are implemented based on the use of light total internal reflection and light scattering concepts. The optical touch switch basically consists of a light source, a light...
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6765192 |
Processing system with protective device for secure processing table
The invention relates to a moving assembly for a working system, said assembly including: a boom ( 22 ) extending along an axis between first and second ends ( 31, 33 ) and a working head ( 30 )...
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6765191 |
Roller switch
The disclosed roller switch has a roller, a flag arm, and a photoelectric detector. The roller is connected to the flag arm and vertical movement of the roller causes the flag arm to move. The...
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6752253 |
Guard means for machines, more particularly pressbrakes, guillotines, stamping machines and the like
A guard device for machines such as pressbrakes, guillotines, stamping machines and the like, in the case of which a first machine part performs working movements toward a second machine part. At...
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6750439 |
Light curtain generating device including single-beam optical modules
In a light curtain generating device comprising a pair of pillar assemblies for supporting arrays of light emitting and receiving units which are placed opposite to each other so as to form a light...
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6750440 |
Opto-electrical actuation system and method
A selective optical actuation system for a plurality of electrical devices ( 20 ) comprises a variable pulse frequency pulsed light source ( 10 ) and an optical fibre network ( 12, 13, 14 )...
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6747747 |
Apparatus for determining a distance profile
An apparatus for determining a distance profile has a light transmitter for transmitting pulse-like light signals in the direction of a monitored space, a light receiver for receiving light signals...
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6744034 |
Micro-electromechanical apparatus and method with position sensor compensation
Micro-electromechanical apparatus and method with position sensor compensation to compensate for sensor drift. A preferred embodiment comprises modifying the intensity of a light source used in...
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6744365 |
Vehicle door stop safety system
A vehicle door stop safety system for preventing closure of a vehicle door when an object moves between an open door and body of the vehicle. The system includes field producing device for...
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6740860 |
Photodetector, photosensing position detector, coordinate input device, coordinate input/output apparatus, and photodetection method
A photodetector includes a photoreceiving unit which receives a light beam that blinks a plurality of times per detection period and coverts the received light beam into an output signal. A signal...
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6740863 |
Joystick
A joystick 50 comprising: a control shaft 52; first and second reflecting surfaces, the surfaces each having a reflectivity that varies along a notional line on the surface; a first sensor...
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6737633 |
System and method for identifying overlapping mail pieces
The present invention comprises a system and method for detecting overlapping mail pieces wherein a lead mail piece edge is diverted from the regular conveyance and a light barrier is used to...
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6737631 |
Movement detector with tapering kaleidoscopic mirrors and method of installing such a detector
A movement detector for detecting movement of a body includes a light sensor, a kaleidoscopic mirror and a lens for projecting a multiple image of the space onto the sensor. The movement detector...
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6737632 |
Control device with mobile component mounted on a ball pivot
A control device comprising a mobile component such as a lever mounted on a ball pivot, wherein the lever is displaceable in rotation around three different axes and the device comprises two arrays...
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6730902 |
Light beam sensor
An optical axis adjuster 7 is provided to change the optical axis direction of a transmitter unit having a transmitter element 65 . A restriction member 9 is latched in an external thread 71 ...
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6727511 |
Sensor array system for object position detection
A sensor array system for detecting the position of an object or energy source. The system includes a plurality of sensors, each sensor having a limited field of view and being capable of detecting...
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6727488 |
Photoreceptor circuit switchable between operating modes
Photoreceptor circuit provided with a component, the photoreceptor surface comprising a first area able to operate in reflex mode and a second area with analog detection of position able to operate...
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6727489 |
Automatic image-quality adjustment system
An image-quality adjustment system for a liquid-crystal projector detects the brightness and color of ambient light, or detects the brightness and color of the surface onto which the liquid-crystal...
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6720884 |
Sensor mounting system
An obstacle detection system for vehicular environments including a monitoring sensor system and a mounting system is disclosed. An installer can make aiming adjustments, in the factory or field,...
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6720545 |
Photoelectric sensor, control method therefor and semiconductor integrated circuit therefor
A photoelectric sensor transmits pulsed light repetitively, receives light which may include noise and generates a corresponding electrical reception signal. The level of reception signal is...
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6717684 |
Target scoring system
A device for target scoring includes an elongated retro-reflective member, a first light source, a second light source, a first light sensor, a second light sensor and a processor. The first light...
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6717523 |
Photoelectric switch
In a first display mode, a threshold value is numerically displayed on a first display section and the current light reception amount (current value) is numerically displayed on a second display...
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6713751 |
Easily assembled optical fiber sensor and musical instrument using the same
An array of optical fiber sensors is installed in an automatic player piano for monitoring the hammers, and a data processing system produces music data codes through the analysis on the current...
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6713750 |
Visible light forklift alignment apparatus
An apparatus which provides a visual indication to the operator of a forklift that the forks are properly vertically aligned, the apparatus having a laser module which produces a visible light beam...
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6713752 |
Methods of sampling a surface having a micro-texture
Methods of sampling a surface having a micro-texture upon which an optical navigation circuit tracks movement. An embodiment of the method comprises determining a rate for taking samples of the...
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6710323 |
Optical signal detection method and apparatus for a computer mouse
An optical signal detection apparatus and method for a computer mouse compares two output signals of a first photo-transistor and a second photo-transistor to obtain a reference signal. Then a...
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6710325 |
Light curtain mounting system wherein housing and mounting bracket include curved surfaces
A mounting apparatus for mounting optics of a light curtain. The apparatus includes a light curtain optics housing and a mounting bracket. The housing includes a curved mounting surface that...
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6708079 |
Optical vend-sensing system for control of vending machine
An optical vend-sensing system for reliably detecting the dispensing of an article, is presented. The system includes two parallel reflecting surfaces, each mounted at opposite sides of a vend...
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6707028 |
Rotating light source system for detecting an obstruction in a space, for use in a mobile storage system
An object detection system for use in detecting the presence of an object within a space, such as in an aisle of a mobile storage system bounded by at least one mobile storage unit, includes a pair...
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6707027 |
Method of measuring the movement of an input device
An optical input device for an apparatus generates input signals by moving the device and an object ( 15 ) relative to each other and measures the movement by the effects of self-mixing in a diode...
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6707448 |
Touch control position determining method control pad
The present invention provides a touch control position determining method which allows the touch control position to be determined precisely regardless of the modes of control. When a touch...
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6700129 |
Electronic board system and coordinates-inputting pen
The present invention transmits, to an electronic board controller 14 , click signals generated upon manipulating multiple switches provided on a coordinates-inputting pen 13 , timing signals...
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6696987 |
Electronic device with illuminated operator button, the activation of said operator buttons being determined by detection of the change in the luminous reflectance
With an electronic device, in particular a car radio that includes a microprocessor and operating buttons that can be illuminated by light sources, the functions of illumination and detecting an...
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6693271 |
Obstacle detection sensor using synchronous detection
An object detection system employs a photo-emitter and photo-detector for synchronously detecting and processing an optical signal reflected from an object in a pinch zone of a window or door...
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6693273 |
Method and apparatus for monitoring a powered vent opening with a multifaceted sensor system
A system and method are disclosed for enabling the selective monitoring of various regions of an aperture having a powered closure operative therein. Each of plural, individually selectable...
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6693274 |
Method and system of sorting a plurality of received articles having varying size and shape
The present invention relates to a method and apparatus for dimensionally sorting a group of received articles, like fruits and vegetables, and using the determined different sizes for...
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6690003 |
Laser actuated remote operator
A remote operator includes a laser-actuated photo switch. A hand held laser sweeps past an active or sensitive area on the unit to cause the unit to change states, e.g., between “on” and...
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6686584 |
Movement giver having body with after-glowing surface
The invention relates to movement-givers, especially for controlling the cursor of a computer, with a body-movement sensor pair for the determination of a relative body surface movement and sensor...
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6683296 |
Sensor system for controlling movement of a door using a time-delay failure signal
A sensing edge for controlling movement of a door by actuation of a device upon an external force being applied to the sensing edge includes an elongated generally flexible tubular sheath secured...
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6683321 |
Disc counter
The present invention provides a portable counter and corresponding method for counting articles arranged in a stack, like compact discs and dvds. The portable nature of the counter enables the...
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6683598 |
Mouse optical sampling scheme
Methods and systems for implementing an improved mouse optical sampling scheme are disclosed. At least one counter state machine is used to control at least one PTR state machine. At least one PTR...
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