Did You Know...
...that a workman who left the soap mixing machine on too long was responsible for making Ivory Soap? He was so embarrassed by his mistake that he threw the mess in a stream. Imagine his dismay when the evidence of his error floated to the surface! Result: Ivory soap, the soap that floats.
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| Number | Title | Issue Date |
| 7876422 | Spatial information detecting device and photodetector suitable therefor A spatial information detecting device is provided, which is capable of reducing the possibility that a saturation phenomenon is caused by the influence of an environmental light. This device includes a photoelectric converting portion for receiving a signal light f... | 01/25/2011 |
| 7773202 | Laser spot tracker and target identifier A laser spot tracker device comprising a laser tracker receiver using a quadrant detector incorporated into a pair of binoculars or optical telescope system with a crosshair or reticule. Directional information from the laser tracker receiver is displayed to an oper... | 08/10/2010 |
| 7773203 | Laser distance-measuring apparatus and control methods thereof A distance-measuring apparatus is disclosed. The distance-measuring apparatus includes: an emitter, emitting a light to be measured toward a target, a receiver, receiving a reflected emitted light; a reflector, reflecting the emitted light to the receiver; a condens... | 08/10/2010 |
| 7701556 | Light detecting circuit, laser distance measuring circuit and light detecting method A light detecting circuit includes a power source circuit, an optoelectronic component, a switch and a Trans Impedance Amplifier (TIA) circuit. The power source circuit provides an electric signal. When the optoelectronic component is biased at a bias voltage, the o... | 04/20/2010 |
| 7697119 | Range image generating apparatus A range image generating apparatus capable of preventing or reducing generation of range images with interference, which contain e.g., pixels with erroneous distance values is provided. The range image generating apparatus includes: a light source radiating a light;... | 04/13/2010 |
| 7656509 | Optical rangefinder for an electro-active lens Several devices for determining a distance of an object a user of an electro-active lens is looking at are presented. Once the distance is determined, the devices may alter the optical power of the electro-active lens to ensure that the object is correctly focused. ... | 02/02/2010 |
| 7652753 | Laser-designated target simulator and method of testing a laser-seeking munition head A laser-designated target simulator for testing laser-guided munitions and in particular the laser-seeking heads thereof. In one embodiment, the simulator includes: (1) a laser light source configured to provide laser light, (2) a waveguide configured to receive the... | 01/26/2010 |
| 7643131 | Spatial information detection device and spatial information detection system using the same A spatial information detection device is provided, which is capable of, even under the condition that an environmental light having intensity fluctuations exists in a target space, projecting a light intensity-modulated with a predetermined modulation signal from a... | 01/05/2010 |
| 7602477 | Radar device A laser radar sensor includes a light emitting circuit, a light receiving circuit, an object detection circuit, and a CPU. The object detection circuit has a summation block, a noise reference determination block, a noise reference storing block, and a differentiati... | 10/13/2009 |
| 7532312 | Radar apparatus The radar apparatus includes a transmit/receive section having a function of emitting a transmission wave, receiving the transmission wave reflected from a reflecting object, and outputting a reception signal having a signal level depending on the intensity of the r... | 05/12/2009 |
| 7495746 | Optical method and device for measuring a distance from an obstacle An optical device to measure the distance between the device itself and an obstacle/object comprising a unit to emit radiation including an aligned series of sources of radiation coupled to a series of arrangements of lenses to guide the radiation emitted by the sou... | 02/24/2009 |
| 7492444 | Electric optical distance meter An electric optical distance meter is provided that makes an input power level of a reference light entering a light receiving device via an internal optical path comparable between low and high reflectivity targets. The electric optical distance meter has a shutter... | 02/17/2009 |
| 7474388 | Distance measuring device The present invention provides a distance measuring device, which comprises a light projecting unit for projecting a distance measuring light (22) to an object to be measured, a reference reflection unit (55) provided relatively movable and arranged at... | 01/06/2009 |
| 7436495 | Photoelectric sensor, range image producing apparatus and method for producing range data A method for producing a range data includes: irradiating a pulse light toward an object during a first time period; receiving a reflected pulse light during the first time period and a second time period; calculating a ratio between a first or second received light... | 10/14/2008 |
| 7423767 | Method and apparatus for transmitting energy via a laser beam To transmit energy without direct mechanical or electrical contact, a transmitter unit emits a laser beam onto a radiation receiver of a receiver unit including a photovoltaic cell arrangement surrounded by a ring-shaped reflector. A portion of the laser beam is ref... | 09/09/2008 |
| 7406186 | Dermatoglyph test system A dermatoglyph test system examines dermatoglyph of fingers, big toes and palms comprising at least an image capture device to capture images of testers' all fingers, big toes and palms dermatoglyph, a recognition unit to recognize the features of dermatoglyph and a... | 07/29/2008 |
| 7382441 | Object detecting apparatus having light radiation power regulating function An object detecting apparatus for a vehicle has a light radiation unit and a light receiver unit disposed in a case for detecting an object or a distance to the object. When a vehicle is at a stop, the apparatus detects an output power of a laser light radiated from... | 06/03/2008 |
| 7379163 | Method and system for automatic gain control of sensors in time-of-flight systems Performance of pixel detectors in a TOF imaging system is dynamically adjusted to improve dynamic range to maximize the number of pixel detectors that output valid data. The invention traverses the system-acquired z depth, the brightness, and the active brightness i... | 05/27/2008 |
| 7379562 | Determining connectedness and offset of 3D objects relative to an interactive surface A position of a three-dimensional (3D) object relative to a display surface of an interactive display system is detected based upon the intensity of infrared (IR) light reflected from the object and received by an IR video camera disposed under the display surface. ... | 05/27/2008 |
| 7362419 | Range image sensor A range image sensor comprising a light source, a light detecting element, a sensor control stage and an image construction stage. The image construction stage calculates a distance value for each image element in a range image based on each electric charge picked u... | 04/22/2008 |
| 7333913 | Clearance measurement system and method of operation A clearance measurement system is provided. The clearance measurement system includes a reference geometry disposed on a first object having an otherwise continuous surface geometry and a sensor disposed on a second object, wherein the sensor is configured to genera... | 02/19/2008 |
| 7333184 | Ground surface cover type reflectivity variation correction in a differential absorption LIDAR system A method for improving the accuracy of estimating concentration path length of a target molecule using a differential absorption LIDAR (DIAL) system. In particular, this method allows improved detection of plumes containing the target molecule against inhomogeneous ... | 02/19/2008 |
| 7330250 | Nondestructive evaluation of subsurface damage in optical elements A non-destructive process for evaluating subsurface damage in an optical element focuses a microscope at points within the optical element and measures the intensity of reflected light. In one embodiment, a microscope focus a laser beam at a measurement point with t... | 02/12/2008 |
| 7327442 | Methods and systems of calculating the height of an object observed by a camera Methods and systems for automatically determining the height of an object observed by a camera are described. One such method involves determining the distance from the top of the object to the camera, determining the distance from the bottom of the object to the ca... | 02/05/2008 |
| 7327440 | Distance measuring device A distance measuring device is disclosed which can measure the distance to an object located within a known range. The device uses beam splitters and lenses to focus and direct energy reflected from an object onto at least two bi-sensors. The bi-sensors each have an... | 02/05/2008 |
| 7312856 | Programmable pulse capture device with automatic gain control The invention an optical system and a method for automatically controlling the gain of a receiver in an optical system. The optical system includes an optical receiver, a pulse capture unit, and an automatic gain control. The pulse capture unit includes a capture un... | 12/25/2007 |
| 7311326 | Distance detecting apparatus, air bag system controlling apparatus, and method of detecting distance A light emitting unit emits a light in a light emitting direction, which is the direction to an object, the light having a distributed pattern in a predetermined direction. A photographing device obtains an image of the object along a photographing direction. A hold... | 12/25/2007 |
| 7312854 | Position sensitive photoelectric sensor and method of setting reference distance in the same In a position sensitive photoelectric sensor that calculates a distance to a target based on a triangular range finding using a light and outputs a result compared with a reference distance, first the reference distance Dref is set roughly by using a light receiving... | 12/25/2007 |
| 7289195 | System and method for passively ascertaining a relative direction of change in distance between an electromagnetic-energy emitter and a spectral sensor A system and method for determining whether the distance between an electromagnetic-energy emitting source and a predetermined location increased, decreased or remained constant between first and second times relies upon the selection of first and second energy band... | 10/30/2007 |
| 7274495 | Light-channeling apparatus and method A light-channeling apparatus for a scanning module comprises a first light-guiding tube, a second light-guiding tube, and a collimating lens positioned inside the first light-guiding tube. The first and second light-guiding tubes are attached to a body casing of the... | 09/25/2007 |
| 7274438 | Device for monitoring spatial areas A monitoring device (1) for spatial areas (2) includes emitters (3) that emit radiation pulses that are reflected by objects located within the spatial areas (2) toward receivers (4). The receivers (4) are connected to a run... | 09/25/2007 |
| 7274437 | Laser detection and ranging apparatus In a laser detecting and ranging apparatus in which a light signal is intensity-modulated with a modulating frequency consisting of a frequency in the microwave band for thereby detecting a Doppler frequency relating to the modulating frequency, high reception sensi... | 09/25/2007 |
| 7258923 | Multilayered articles and method of manufacture thereof Disclosed herein is a multilayered sheet comprising a core layer comprising a thermoplastic polymer and an IR absorbing additive; a first cap layer comprising a thermoplastic polymer and an electromagnetic radiation absorbing additive; wherein a surface of the first... | 08/21/2007 |
| 7244122 | Methods for determining optical characteristics of dental objects Color measuring systems and methods such as for determining the color or other characteristics of teeth are disclosed. Perimeter receiver fiber optics are spaced apart from a central source fiber optic and receive light reflected from the surface of the object/tooth... | 07/17/2007 |
| 7242461 | Vehicular radar system An integrator of a vehicular radar system has multiple switches and multiple capacitors, which are connected with the switches, for each one of photoreceptive elements. The integrator integrates light reception signals, which are output from the photoreceptive eleme... | 07/10/2007 |
| 7240839 | Color measurement apparatus operable as a pointing device, a computer display measurement device and a printer output measurement device A color measurement apparatus is adapted as an attachment for a personal computing system. An interface integral to the color measurement apparatus couples the color measurement apparatus to the personal computing system. A computer pointing device integral to the c... | 07/10/2007 |
| 7239379 | Method and apparatus for determining a vertical intensity profile through a plane of focus in a confocal microscope An assembly is provided for the direct measurement of a vertical intensity profile through a plane of focus of a confocal microscope, a determination of a depth of the confocal plane and a maximum intensity of the intensity profile. The assembly includes a transpare... | 07/03/2007 |
| 7230685 | Apparatus, method, and program for generating range-image-data First image data including a first pixel value according to the intensity of background light is obtained by means of only exposure. Second image data including a second pixel value according to the intensity of the light reflected or scattered by an object is obtai... | 06/12/2007 |
| 7221437 | Method and apparatus for measuring distances using light A method and device for measuring a distance to an object with light determines the distance by measuring the relative intensity of light reflected from the object and traveling over two or more paths of differing optical length. Light is emitted by one or more ligh... | 05/22/2007 |
| 7218385 | Preceding vehicle recognition apparatus A preceding vehicle recognition apparatus detects positions of two reflectors provided on a preceding vehicle from individual received signals each representing a signal reflected by the reflectors. The apparatus further detects position of an area of rear face of t... | 05/15/2007 |
