Famous Patents
Felix Hoffmann, a German chemist, was searching for something to relieve his father's arthritis. In doing so, he "rediscovered" acetylsalicylic acid and in 1900, patented a stable process for developing it. Hence, we have aspirin.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7817253 | Distance measurement method, medium, and apparatus for measuring distance between the distance measurement apparatus and target object A distance measurement method, medium, and apparatus for measuring a distance between the distance measurement apparatus and a target object are provided. The distance measurement method comprises counting pulses of a clock pulse signal having a low frequency during... | 10/19/2010 |
| 7414706 | Method and apparatus for imaging a target using cloud obscuration prediction and detection A method is provided for imaging targets using an unmanned air vehicle. The method comprises the steps of making a determination of cloud obscuration of a target, selecting an imaging sensor based on the cloud obscuration determination, and using the selected imagin... | 08/19/2008 |
| 7359039 | Device for precise distance measurement An electronic method for distance measurement based on pulsed laser time-of-flight is provided. The method comprises generating a wave of outgoing radiant energy pulses having a substantially stable period for providing a wave of pulses reflected from a target objec... | 04/15/2008 |
| 7358516 | System and method for determining a position or/and orientation of two objects relative to each other as well as beam guiding arrangement, interferometer arrangement and device for changing an optical path length for use in such a system and method A system and a method for determining a position of two objects relative to each other is suggested, comprising: a source 43 of coherent radiation, a beam guidance for providing a measuring branch 49 for a measuring beam, which has an optical path leng... | 04/15/2008 |
| 7324559 | Centralized synchronization for wireless networks This invention synchronizes the sample clocks of an entire wireless network from a single central base station. Unlike a conventional digital radio network where every terminal must have a synchronization circuit in its receiver to adjust the sample clock, each of t... | 01/29/2008 |
| 7280069 | Range-finding radar apparatus with high-resolution pulse-width calculation unit A radar apparatus includes a modulation signal generating unit that generates a modulation signal based on an internal clock with a cycle Tc and generates a trigger signal in synchronization with the modulation signal, a carrier wave generating unit that generates a... | 10/09/2007 |
| 7276718 | System and method for determining a position or/and orientation of two objects relative to each other as well as beam guiding arrangement, interferometer arrangement and device for changing an optical path length for use in such a system and method A system and a method for determining a position of two objects relative to each other is suggested, comprising: a source 43 of coherent radiation, a beam guidance for providing a measuring branch 49 for a measuring beam, which has an optical path leng... | 10/02/2007 |
| 7268858 | TOF rangefinding with large dynamic range and enhanced background radiation suppression A method for measuring time of flight of radiation includes emitting modulated radiation in response to a first modulation signal, projecting the modulated radiation onto a scene, receiving radiation, the received radiation comprising a first portion being the modul... | 09/11/2007 |
| 7245836 | Optical pulse timing detection apparatus, optical pulse timing detection method, optical pulse timing adjustment apparatus, and optical pulse timing adjustment method Incident signal beam pulses are transmitted by an on-state region, and an optical path for the signal beam pulses is spatially switched in an optical switch. Signal beam pulses transmitted by the on-state region of the optical switch are detected at a pixel correspo... | 07/17/2007 |
| 7221436 | System and method for optimization-based sensor steering and tracking A method of tracking a target includes: (a) receiving energy from the target at a plurality of spatial orientations; (b) processing the received energy; (c) evaluating a penalty function at each of the plurality of spatial orientations; (d) selecting a new spatial o... | 05/22/2007 |
| 7193692 | Laser range finder and method to measure a distance A laser range finder, including a transmitter, a receiver, a timing-counting module, and a processor is provided. The transmitter transmits a laser signal toward a target, and a reflected signal is reflected from the target, whereby a real fly time is defined. The t... | 03/20/2007 |
| 7164467 | Method and apparatus for electronically generating an outline indicating the size of an energy zone imaged onto the IR detector of a radiometer A radiometer includes a sighting system that generates a digital image of an object surface having an area that is to be imaged onto the IR detector. A shape outline is overlaid on the digital image of an object surface to indicate the extent of the energy zone that... | 01/16/2007 |
| 7126675 | Pulse shifted array A laser-radar receiver comprising an array of optical fibers, wherein the opposite ends of the optical fibers are connected to at least one electromagnetic radiation detector, each of the optical fibers having differing physical characteristics which result in known... | 10/24/2006 |
| 7123181 | Surveillance method and apparatus An inexpensive, small, low-power consumption, wide-band, high resolution spectrum analyzer is provided as a listening device for throw-away applications such as surveillance that involve deployment of large numbers of battery-powered spectrum analyzer modules to det... | 10/17/2006 |
| 7119888 | Method for determining the relative speed of an object Methods for the measurement of the object spacing distance or separation of objects are increasingly utilized in obstacle warning systems for motor vehicles, in order to warn the drivers of the motor vehicles of sources of danger on the roadway. It would be sensible... | 10/10/2006 |
| 7095489 | Pulse shifted array A laser-radar receiver comprising an array of optical fibers, wherein the opposite ends of the optical fibers are connected to at least one electromagnetic radiation detector, each of the optical fibers having differing physical characteristics which result in known... | 08/22/2006 |
| 7030807 | Radar device The invention relates to a radar device for measuring a relative distance to a target. It is an object of the invention to precisely determine the relative distance to the target in a wide range. The radar device according to the invention generates a second pulse b... | 04/18/2006 |
| 7012215 | Laser machining apparatus A laser machining apparatus capable of changing a laser output condition at a desired machining position and time without regard to interpolation period (ITP). When the remaining motion command amount in the former of successive blocks, used for the interpolation pe... | 03/14/2006 |
| 6965438 | Vehicle measuring apparatus and method for toll collection system Vehicle measuring apparatus and method are disclosed to accurately measure height and width of a vehicle moving at a high speed. The vehicle measuring apparatus includes: a plurality of laser sensors separated from the road surface with a predetermined height and in... | 11/15/2005 |
| 6950639 | Local oscillator for generating an HF signal for direct mixing by using avalanche photodiodes A local oscillator for use in an optoelectronic distance measurement system for generating a narrow-band HF signal for direct signal mixing with a reception signal generated by an avalanche photodiode (2) from a light signal impinging on the latter, with the ... | 09/27/2005 |
| 6934012 | Ranging apparatus, ranging method, and opto-electric conversion circuit A ranging apparatus 1 comprises a laser light emitter 3 for emitting pulsed laser light, a reflected light receiver 4 for receiving reflected light, a distance computer 10 for finding the distance from the elapsed time until the reflected... | 08/23/2005 |
| 6917415 | Method of and apparatus for electro-optical distance measurement A method of and an apparatus for an electro-optical distance measurement in which a laser beam of a laser diode (1) is directed as an intensity modulated train of emitted light pulses onto an object, the reflected measurement pulse train (10) is detect... | 07/12/2005 |
| 6910660 | Laser guidance system A guidance system includes a first laser device coupled to a mount, the first laser device adapted to generate a first laser signal having a first wavelength. A second laser device is also coupled to the mount and directed substantially parallel with the first laser... | 06/28/2005 |
| 6829043 | Distance measurement device with short distance optics Technology is disclosed for measuring distances. A measurement device emits a beam that reflects on the surface of an object. The measurement device determines the distance to the object, based on the time of flight of the beam from transmission to capture by the me... | 12/07/2004 |
| 6586748 | Non-invasive water current measurement system and method A method and system are provided for measuring water current direction and magnitude. A plurality of beams of radiation are transmitted radially outward from a location above a body of water. Each beam is incident on the water's surface at an angle with r... | 07/01/2003 |
| 6288775 | Lightwave distance measuring apparatus and method A lightwave distance measuring apparatus having a coaxial light-transmitting/receiving type optical system is provided with light-transmitting means for transmitting pulsed light toward an object, light-receiving means for receiving reflected pulsed light... | 09/11/2001 |
| 6133992 | Distance measurement apparatus A distance measurement apparatus for measuring distance to the target by measuring a time elapsed from the emission of pulsed light to the target until the receiving thereof. This apparatus comprising a light-emitting section, a light-receiving section, a... | 10/17/2000 |
| 5898485 | Method and apparatus for multiple target ranging The present invention is directed to a method and apparatus for detecting reflected pulses from multiple targets in a field of view such that range to each target can be detected with high resolution, even when the targets are located over a relatively wi... | 04/27/1999 |
| 5742379 | Device and method for electronically measuring distances A device and method of electronically obtaining range or distances from the device to the target utilizing a central processing unit (CPU) in combination with a pulse repetition frequency generator, a plurality of photodetectors and a transistor to transi... | 04/21/1998 |
| 5619317 | Light-wave distance meter based on light pulses In a light-wave distance meter based on light pulses, a light pulse radiation device radiates light pulses emitted by a light source device to a target of measurement, a light reception device receives reflected light pulses from the target, a sampling de... | 04/08/1997 |
| 5552878 | Electronic vernier for laser range finder An electronic vernier for a laser range finder enhances the resolution of the range finder to that of the vernier without increasing the frequency of the range clock. The range finder includes a range counter circuit for storing the total integer number o... | 09/03/1996 |
| 5530539 | Apparatus for measuring the transit time of electromagnetic waves An apparatus for measuring the transit time of electromagnetic waves operates with pulse frequencies (9, 10), conducted in a feedback loop (12) which are supplied after passing through a measurement path (13) or through a reference path (14) to a resonato... | 06/25/1996 |
| 5521696 | Laser-based speed measuring device A laser speed detector is described which includes a laser rangefinder which determines the time-of-flight of an infrared laser pulse to a target and a microprocessor-based microcontroller. The device is small enough to be easily hand-held, and includes a... | 05/28/1996 |
| 5054911 | Light wave distance measuring instrument of the pulse type A light wave distance measuring instrument uses a light receiving diode for receiving both light from a light source diode coupled via an internal light passage and light from the light source diode coupled via an external light passage. A beam splitter s... | 10/08/1991 |
| 4770526 | Ranging method and apparatus A radar ranging system uses a laser transmitter and a single detector for producing the start and stop signals for the time interval measurement. Two reference signals are produced by passing two light portions, decoupled from the laser light to be transm... | 09/13/1988 |
| 4734587 | Optoelectric distance measuring apparatus with a time discriminator for the accurate detection of electric pulse sequence An optoelectric distance measuring apparatus, wherein short light pulses emitted by a laser diode and reflected by the target object are received by a photodiode, is associated with a time discriminator (12) for the processing of the electric signals, thi... | 03/29/1988 |
| 4699508 | Method of measuring the distance of a target and apparatus for its performance The distance of a target object is determined from the time of travel of a measuring light pulse which is emitted by a transmitter toward the target object, reflected thereby and received by a receiver. In timed relation with the instant of generation of ... | 10/13/1987 |
| 4615617 | Pulse delay measurement apparatus An apparatus for measuring the delay time interval between electrical pulse signals, particularly in conjunction with electrooptical range finders. A coarse measuring counter counts clock pulses from a quartz oscillator during the interval and a fine meas... | 10/07/1986 |
| 4553836 | Method and apparatus for electrooptical distance measurement With an electrooptical distance meter impulses of light are transmitted over the distance. The distance is found by counting the duration of gating signals which last between transmission and reception of the light impulses. 10,000 times of travel generat... | 11/19/1985 |
| 4533242 | Ranging system which compares an object-reflected component of a light beam to a reference component of the light beam A system is described for measuring the distance to an object by comparing a first component (18) of a light pulse that is reflected off the object (14), with a second component (20) of the light pulse that passes along a reference path (26) of known leng... | 08/06/1985 |
