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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...
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...
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...
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...
7348536 Light grid with housing  
A light grid which has a housing made from an extruded profile. An electronic component plate is movably insertable into the interior of the housing and carries the optical components of an emitter...
7339675 Apparatus for stacking sheet members, apparatus for measuring dimensions of sheet members, and apparatus for and method of marking sheet members  
An apparatus for stacking a predetermined number of X-ray films has a sheet member holding device disposed above a stacking position for temporarily holding at least a first X-ray film, and an...
7332704 Photosensitive button structure  
A photosensitive button structure includes a button body and a photosensitive layer. The photosensitive layer is disposed on a bottom side of the button body, and has a plurality of words and...
7330668 Low noise light receiver  
The low noise light receiver comprises a light sensor for generating a sensor signal, the sensor signal comprising a wanted signal resulting from a light source and an interfering signal resulting...
7326910 Multiple-optical-axis photoelectric sensor  
The present invention provides a multiple-optical-axis photoelectric sensor in which an error in detection of an object caused by disturbance light is prevented easily and efficiently by adjusting...
7306239 Height control system and sensor therefor  
A sensor for a height control system uses a transducer to detect changes in position of an arm relative to a vehicle and sends a proportional signal to a microprocessor that, in turn, actuates a...
7297930 Device for measuring width by light attenuation difference  
A device for measuring the width L of a mail item on the fly in a mail handling machine in which mail items are caused to move parallel to a reference wall, the device comprising: a detector device...
7291828 Measuring system for determining the electromechanical coupling characteristics of a PZT vibrator  
A measuring system for determining the electromechanical coupling characteristics of a piezoceramic (PZT) vibrator, which apply photo-interrupters matrix, glass tube, and metal ball to measure the...
7276681 On-board light source based gain correction for semi-active laser seekers  
The invention provides a method and apparatus for correcting for gain changes in detectors in a guided vehicle. In one version of the invention, an on board light source is used to generate a...
7268341 Optical position sensing device including interlaced groups of photosensitive elements  
One embodiment described relates to an optical displacement sensor for sensing movement of a data input device across a surface by detecting displacement of optical features in a succession of...
7250596 Circuit with an opto-electronic display unit  
A circuit provided with an optoelectronic display unit. For discrete display of the settings of a regulating/control unit, said circuit comprises at least one detection element for detecting the...
7220957 High intensity photic stimulation system with protection of users  
In a method and system to provide high intensity photic stimulation to disable target subjects, a high intensity light source is activated by trigger signals to produce light flashes in commanded...
7161137 Optical transducer system having light emitting elements and light detecting elements both regulable in output characteristics  
Keys, which are incorporated in an automatic player piano, are monitored with an optical transducer system. The optical transducer system includes sensor heads provided on both sides of the key...
7154080 System and method for detecting the efficacy of machined parts  
The present invention relates to a system and method for detecting the efficacy of machined parts, and particularly to an automated system and method that detects whether tooling features (e.g.,...
7154079 Moving object detecting system and moving object detecting method  
One-dimensional line data is produced based upon an evaluation area in image data obtained by imaging the area the slit light beam is irradiated. Each point data value included in the line data is...
7139108 Single automatic document feeder sensor for media leading edge and top cover being opened detection  
A single plate flatbed scanner utilizing a single sensor to detect both opening of a lid covering the plate and the leading edge of an automatically fed document. The flatbed scanner includes a...
7122782 Multi-optical axis photoelectric sensor  
A multi-optical axis photoelectric sensor where a main element holder and an additional element holder are relatively moved in a direction perpendicular to an arrangement direction of optical axes....
7115857 Apparatus for remotely counting objects in a collection using differential lighting  
Apparatus for remotely counting the number of individual objects of the same general shape and disposed in a collection having a front end in a common vertical plane.
7102119 Ball bounce game using electromagnetic beams  
The present invention is a computerized game device or game playing method for use with objects such as balls and a generally planar surface. The game device may comprise at least two...
7098441 Photoelectric sensor  
Light emitted from light-projecting elements constituted by LEDs (light-emitting diodes) or the like is transmitted to a light-projecting optical system of a sensor head portion through an optical...
7084387 Multiple-optical-axis photoelectric switch, mounting structure therefor, and fixture therefor  
A mounting structure for a multiple-optical-axis photoelectric switch comprising, a protrusion of a first member attached to cap members located on either end of the main case of one or both of a...
7071452 Self-calibrating photoelectric control system  
A self-calibrating photoelectric control system for use in a checkstand to control the starting and stopping of a conveyer belt utilized to move products closer to a checkout clerk. The...
7068167 Optical sensor  
An optical sensor arrangement includes a transmitter that emits light rays and a receiver that receives light rays reflected from an object. A deflection unit deflects the transmitted light rays to...
7057153 Multiple sensing automatic lighting system for personal safety  
The disclosed intelligent lighting system is designed to provide automatic illumination when the device is in motion in any direction and ambient light is below a prescribed level. In its intended...
7045765 Device for counting stacked products  
The present invention relates to a device for counting thin products ( 1 ) that can be stacked side-by-side in a tray ( 2 ), characterized in that it comprises at least one counting station...
7034280 Light grid  
The invention relates to a light grid having a transmitter strip for the transmission of a plurality of light beams and a receiver strip for the reception of these light beams, an evaluation unit...
7030354 Automatically controlling apparatus and an automatically controlling system of a boarding bridge, which can improve a reliability due to an automatic operation, and a position matching method of a boarding bridge  
An automatic controlling apparatus of a boarding bridge to match a position of the boarding bridge with an airplane, includes: a light irradiator, an optical sensor, and an actuator. The light...
7022972 Image reader with a closed-state detector and image forming apparatus using same  
An image reader includes a first image-reader unit, mounted on a body of the image reader, for reading image information of an original document on a first image-reader section, a closing unit...
7012539 Monitoring method and an optoelectronic sensor  
An optoelectronic sensor and a method for producing a positive or a negative object detection signal in dependence on the presence or non-presence of an object in a foreground region or in a...
7012242 Method for optoelectronically inspecting pharmaceutical articles  
In a method for optoelectronically inspecting pharmaceutical capsules ( 2 ) in a capsule filling machine ( 1 ), the pharmaceutical capsules ( 2 ) are fed in single file from a station ( 3 ) where...
6982410 Photoelectric sensor with deflection angle adjustment arrangement  
A photoelectric sensor includes: a light projecting section projecting detection medium light to a detection object region; and a light receiving section receiving reflecting light or transmitted...
6974948 Perimetric detection system  
Systems and elements are disclosed for creating a continuous, collimated detection zone for an automatically-actuated device or container, such as an automatic waste container, wherein the...
6953926 Method and devices for opto-electronically determining the position of an object  
The invention relates to a method and a device for opto-electronically determining the position of an object ( 50 ) using a measurement assembly, which is separated from the object ( 50 ) by a...
6946643 Retro-reflective photoelectric sensor  
A retroreflective sensor apparatus which includes a light source with a collimating lens and a photoelement with a condensing lens. The light source and the photoelement are positioned adjacent to...
6943339 Tilt sensor and method of making same  
An apparatus and method of making the same for sensing inclination. The apparatus includes a member moveably positioned in a body, the member moves in response to gravity between two positions if...
6940060 Monitoring method and optoelectronic sensor  
A zone is monitored with an optoelectronic sensor. Light is transmitted in accordance with a structured light pattern in the direction of the monitored zone and is received from the monitored zone....
6914527 Infrared detector  
An infrared detector includes a light emitter and a light receiver. The light emitter has plural light emitting units. A circuit connects the light emitter with a CPU programmed decoder and a power...
6894623 Display monitor for multi-optical-path photoelectric safety apparatus and multi-optical-path photoelectric safety apparatus including a display monitor  
A display monitor is provided for a multi-optical-path photoelectric safety apparatus including a plurality of multi-optical-path photoelectric sensor units. The user can determine whether a...
6891148 Scaling device for photographic images  
A scaling device projects a known optical pattern into the field of view of a camera, which can be employed as a reference scale in a resulting photograph of a remote object, for example. The...
6858835 Electronic tilt switch and integrated light module  
An electronic tilt switch for controlling an electrical circuit such as a vehicle hood lamp circuit according to the angle of inclination of the tilt switch. The tilt switch includes a housing, a...
6838655 Photoelectric proximity switch  
Photoelectric proximity switch for detecting the presence of an object in a monitored area. A light pulse transmitter emits transmitting light pulses into the monitored area. The pulses are...
6836527 Method and apparatus for detecting and counting articles  
An improved method for counting irregular or unsymmetrical shaped articles that allows greater precision and provides enhanced features over current counting devices and methods. The method...
6812451 Optical sensor for use in high vacuums  
An optical sensor for use in high vacuum plants and/or in ultrahigh vacuum plants has a metal housing surrounding an interior space in a manner substantially impermeable to gas in which a window...
6797937 System and method for reducing power consumption in an optical screen pointing device  
An apparatus for controlling the position of a screen pointer for an electronic device having a display screen includes a light source for illuminating an imaging surface, thereby generating...
6791074 Light curtain system for establishing a protective light curtain, tool and system for processing objects and method for loading/unloading a tool  
A light curtain system is provided for establishing a protective light curtain for a tool in a system for processing objects such as wafers, and is particularly provided as a safety device for an...
6789585 Refrigerator and automated liquid dispenser therefor  
The invention relates to an automated liquid dispenser employing ultrasonic sensing to determine the level of a dispensed liquid with respect to the height of a container to be filled. In one...