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"I hate what they've done to my child...I would never let my own children watch it. "
Vladimir Zworykin, television pioneer ; Talking about an invention in which he played a critical role.
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| Number | Title | Issue Date |
| 8013983 | Three-dimensional surround scanning device and method thereof A three-dimensional surround scanning device and a method thereof are described, which are adopted to perform surround scanning on a scene area, so as to construct a three-dimensional model. The device includes an image acquisition element, a first moving mechanism,... | 09/06/2011 |
| 7982861 | Time delay and distance measurement A method for measuring time delay and distance may include providing an electromagnetic radiation carrier frequency and modulating one or more of amplitude, phase, frequency, polarization, and pointing angle of the carrier frequency with a return to zero (RZ) pseudo... | 07/19/2011 |
| 7924410 | Apparatus and method for scalable phased array radar data distribution and beamforming A radar array antenna comprising: a plurality of analog to digital (A/D) converters for converting analog signals from the array to digital signals, the signals supplying input to one or more optical modulators having controllable wavelengths, each optical modulator... | 04/12/2011 |
| 7421338 | Robot system A robot system including a beacon provided with a transmitting part to transmit a light for location determination, and a mobile robot provided with a receiving part to receive the light. The robot system further includes a rotation driving part to rotate the transm... | 09/02/2008 |
| 7417736 | Method for determining a radiation power and an exposure apparatus Method for determining a mean radiation power P rad 0 _ of electromagnetic radiation of a radiation source, the radiation be... | 08/26/2008 |
| 7382444 | Multiple optical channels The invention relates to an electronic distance measuring apparatus for surveying, e.g. for measuring the distance from the apparatus to an object. The apparatus comprises: a) an objective lens (101), defining an optical axis (OA), b) at least two sources ( | 06/03/2008 |
| 7339655 | Electric optical distance wavelength meter It is an object of the present invention to provide an electric optical distance wavelength meter detecting the time when the switching is completed and shortening the time required for distance measurement by immediately starting the distance measurement when measu... | 03/04/2008 |
| 7336346 | Distance measuring device and method thereof A distance measuring device is provided that reduces the time required for a distance measurement without degrading accuracy of the measured value. The distance measuring device includes a reference signal oscillator (26) that generates a reference signal (K)... | 02/26/2008 |
| 7315355 | Method and device for optical distance measurement A method and a device for optically measuring a distance by emitting an amplitude modulated and bundled optical signal and by receiving the signal reflected from a target object. The modulation frequency is continuously regulated by means of a regulating loop in suc... | 01/01/2008 |
| 7283213 | Method and system to correct motion blur and reduce signal transients in time-of-flight sensor systems TOF system shutter time needed to acquire image data in a time-of-flight (TOF) system that acquires consecutive images is reduced, thus decreasing the time in which relative motion can occur. In one embodiment, pixel detectors are clocked with multi-phase signals an... | 10/16/2007 |
| 7230711 | Envelope functions for modulation spectroscopy A spectrometer and spectrometry method comprising modulating a light source with a carrier waveform multiplied by an envelope function, directing light from the light source through a sample region and to a photodetector, and demodulating current from the photodetec... | 06/12/2007 |
| 7215413 | Chirped synthetic wave laser radar apparatus and methods Chirped synthetic wave laser radar apparatus and methods are disclosed. In one embodiment, a system includes a laser source, a controller operatively coupled to the laser source and adapted to frequency-modulate first and second laser outputs, and an optical assembl... | 05/08/2007 |
| 7177014 | Light wave distance measuring apparatus A reference electrical signal oscillated by the main oscillator (11) has two kinds of frequencies (f1, f2) which are different from each other and any one of which is alternatively selected, a sampling signal is synchronized with the ref... | 02/13/2007 |
| 7123353 | Method for monitoring slope lands and buildings on the slope lands A method for monitoring slope lands and buildings on the slope lands includes installing a light transceiver on a slope land and a light emission device on a location or a building corresponding to the light transceiver. When light emitted from the light emission de... | 10/17/2006 |
| 7095490 | Electric distance meter An electric distance meter of the present invention comprises a device (1) to generate a modulation signal for modulating measuring light which is irradiated to an object, a device (4) to periodically generate an intermittent pulse signal for generatin... | 08/22/2006 |
| 7075626 | Laser distance measuring device The invention is based on a laser range finder that has a transmitter unit (10) with at least one laser, a receiver unit (12), and a single sideband modulation unit (14) that can use a first single sideband modulation frequency (ZF1) gene... | 07/11/2006 |
| 7073384 | Method and apparatus for remote measurement of vibration and properties of objects A method and apparatus (10) is provided which employs phase or amplitude modulated electromagnetic probing waves (20) (in optical or microwave frequency ranges or both) emitted toward a vibrating object (8). The optical and/or microwave probing ... | 07/11/2006 |
| 7023531 | Laser distance measuring device with phase delay measurement A laser distance measuring device (1) includes a laser diode (4) for emitting a high frequency intensity modulated measurement light beam (3) and connected with a signal generating unit (SGU) that generates a high frequency measurement signal ( | 04/04/2006 |
| 6959030 | Method and apparatus for generating an interleaved code An interleaved coding method can be used in a transmitter, in which the two or more pseudonoise (PN) codes are interleaved to form a longer interleaved code. The method can be used in a transmitter that includes a first code generator generating a first code of n sy... | 10/25/2005 |
| 6940599 | Envelope functions for modulation spectroscopy A spectrometer and spectrometry method comprising modulating a light source with a carrier waveform multiplied by an envelope function, directing light from the light source through a sample region and to a photodetector, and demodulating current from the photodetec... | 09/06/2005 |
| 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 |
| 6864969 | Calibration system for calibrating orientation parameters of digital optoelectronic sensors in a mobile carrier used for remote reconnaisance A calibration system for ccalibrating orientation parameters of a digital optoelectronic sensor system includes an attitude and position determining system arranged in a mobile carrier, such as an airplane or a satellite, for determining the orientation parameters i... | 03/08/2005 |
| 6856927 | Method and apparatus for the characterization of optical pulses and modulators A method and apparatus for the characterization of optical pulses and modulators includes modulating, using a modulator, a train of optical pulses, measuring a spectrum of the modulated train of optical pulses, recording the measured spectrum as an entry in a spectr... | 02/15/2005 |
| 6850314 | Method for optical sensing A method for determining optical properties of a target, using a plurality of transmitters for transmitting signals at the target, and a plurality of receivers for detecting reflected signals from the target, comprises the steps of: a) transmitting radiation signals... | 02/01/2005 |
| 6750960 | Optical distance measurement device and method thereof A system and method of efficiently obtaining distance measurements of a target by scanning the target. An optical beam is provided by a light source and modulated by a frequency source. The modulated optical beam is transmitted to an acousto-optical deflector capabl... | 06/15/2004 |
| 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 |
| 6570646 | Optical distance measurement device and method thereof A system and method of efficiently obtaining distance measurements of a target. A modulated optical beam may be used to determine the distance to the target. A first beam splitter may be used to split the optical beam and a second beam splitter may be use... | 05/27/2003 |
| 6369880 | Device for measuring distance using a semiconductor laser in the visible wavelength range according to the running time method A device for distance measurement using a semiconductor laser in the visible wavelength range, which functions according to the echo time method, includes a collimation objective for bundling the transmitted measuring beam bundle, a circuit arrangement fo... | 04/09/2002 |
| 6148123 | Method and apparatus for measuring optical distances The optical distance along a buried optical fiber (12) from a particular location (13) therealong to a central facility (10) is measured by first applying an intentional stress to the fiber in the form of a vibration signal (35) transmitted into the groun... | 11/14/2000 |
| 6100540 | Laser displacement measurement system A laser displacement measurement system including a radiation source for transmitting radiation to a target, an R.F. transmitter oscillator for modulating the amplitude of the radiation at a first frequency, a detector for sensing the radiation reflected ... | 08/08/2000 |
| 6052190 | Highly accurate three-dimensional surface digitizing system and methods A distance-measuring system includes a light source for transmitting a beam of light to a target, thereby generating a received beam. A calibration unit periodically calibrates the system by positioning a calibration target between the light source and th... | 04/18/2000 |
| 5793483 | Optical measurement system An optical measurement system includes: at least one optical beam transmitter; at least one optical beam detector for receiving the optical beam from the transmitter; modulation means for modulating the intensity of the transmitted optical beam; processor... | 08/11/1998 |
| 5715044 | Laser radar The inventive laser radar uses a multiple frequency processing technique for the purpose of extracting relative range information from a received signal by transmitting and receiving two frequencies that are derived from a reference signal source modulate... | 02/03/1998 |
| 5589928 | Method and apparatus for measuring distance to a target The invention performs coordinate measurement employing multiple-frequency intensity-modulated laser radar. A laser diode source is intensity modulated by variation of its excitation current. Its output beam is directed to a target using scanning mirrors ... | 12/31/1996 |
| 5446530 | Amplitude modulated corrected frequency modulated laser A system is provided that corrects the undesirable fast power modulation observed at an output of a wideband frequency modulated (FM) laser. The correction is accomplished by applying a corrective voltage to an amplitude modulated (AM) modulator. The resp... | 08/29/1995 |
| 5305091 | Optical coordinate measuring system for large objects A coordinate measuring system consists of multiple optical transceivers (transmitter-receivers) mounted onto a stable reference frame such as the walls of a room. The object to be measured is touched with a hand-held measuring probe. To measure, the probe... | 04/19/1994 |
| 5204732 | Optical distance measuring apparatus An optical distance measuring apparatus is disclosed which is operable in accordance with a phase difference detecting process wherein a processing system including a central processing unit and a digital type mix-down circuit detects and calculates a pha... | 04/20/1993 |
| 5194906 | Distance measuring device A distance measuring device using two kinds of modulation frequencies is disclosed. More particularly, the distance measuring device is an electro-optical distance meter for measuring a distance by combining the results of fine measurement and rough measu... | 03/16/1993 |
| 5164733 | Phase shift detection for use in laser radar ranging systems A laser beam is frequency shifted for use in a laser radar ranging system driving a single optical modulator with multiple drivers to produce several frequency shifted drive frequencies. The shifted beam is transmitted to and from a target via an afocal ... | 11/17/1992 |
| 5054912 | Optical distance-measuring device The invention relates to an optical rangefinding device which consists of two frequency-stabilized multi-mode lasers. Two modes of each laser are superimposed so that each laser generates its own respective amplitude-modulated beam; and each beam is used,... | 10/08/1991 |
