Did You Know...
...that one person who claimed to be the inventor of the television is Russian emigre Vladimir Zworykin? In 1929 David Sarnoff, founder of RCA, asked Zworykin what it would take to develop TV for commercial use. He said: a year and a half and $100,000. In reality, it took 20 years and $50 million! Before his death in 1982 at the age of 92, Zworykin said of his invention: "The technique is wonderful. It is beyond my expectations. But the programs! I would never let my children even come close to this thing."
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| Number | Title | Issue Date |
| 8138478 | Passive infra-red detectors A passive infra-red detector including at least three sub-detectors, each sub-detector being operative to receive infra-red radiation from a corresponding one of at least three sub fields-of-view, each sub field-of-view being exclusively defined by an optical elemen... | 03/20/2012 |
| 7928395 | Infra-red (IR) sensor with controllable sensitivity An infrared sensor contains a sensor array and a sensitivity adjuster. The sensor array collects IR energy from an external scene, and the sensitivity adjuster adjusts a pixel grouping for light collection and/or readout, so that the resulting IR image is available ... | 04/19/2011 |
| 7763857 | Infrared imaging optical system with varying focal length across the field of view Provided is an infrared imaging optical system with an advantageously varying focal length across the field of view. More specifically, in a particular embodiment, provided is an inverse telephoto lens group having a field of view on the order of at least two radian... | 07/27/2010 |
| 7723686 | Image sensor for detecting wide spectrum and method of manufacturing the same An image sensor for detecting a wide spectrum includes a plurality of infrared ray receiving layers which individually receive infrared rays having different wavelengths for each pixel, the plurality of infrared ray receiving layers stacked to each other. The image ... | 05/25/2010 |
| 7560697 | Detector array and cross-talk linearity connection An infrared imaging microscope, particularly of the type used to carry out FT-IR measurement, including a detector in the form of a relatively small detector array of individual detector elements. The outputs of the detector elements are fed in parallel to an electr... | 07/14/2009 |
| 7378657 | Small detector array for infrared imaging microscope An infrared imaging microscope, particularly of the type used to carry out FT-IR measurement, has a detector in the form of a small detector array of individual detector elements. The outputs of the detector elements are fed in parallel to processing means which pro... | 05/27/2008 |
| 7362224 | Thermally sensitive array device for presence detection around automatic doors The present invention relates to a thermally sensitive array device for detecting a presence of a target object in a surveillance area. The device comprises a plurality of at least two thermally sensitive sensors provided in an array arrangement, each thermally sens... | 04/22/2008 |
| RE40249 | Infrared imaging system employing on-focal plane nonuniformity correction An infrared imaging system having a focal plane array including an array of detector elements and a readout circuit and including nonuniformity correction circuitry on the focal plane array. The individual detector elements correspond to pixels of an infrared scene ... | 04/22/2008 |
| 7358497 | Infrared/millimeter-wave focal plane array An antenna-coupled dual-band focal plane array for detecting radiation in the infrared and millimeter-wave bands. The dual-band focal plane array includes a millimeter antenna-coupled pixel incorporating an array of infrared antenna-coupled pixels in a two-dimension... | 04/15/2008 |
| 7355626 | Location of events in a three dimensional space under surveillance A surveillance system using an array of detectors onto which energy from the scene under surveillance is focused can indicate the direction of an event that has been recognized. The invention uses two or more arrays to locate events in three dimensions, and to defin... | 04/08/2008 |
| 7342254 | Light-emitting device having a diffractive film on its light-output face and manufacturing method therefor Affords efficiently and at low cost practical, tiny light-emitting devices having an optically diffractive film on their light-output face. A light-emitting device (LD) includes a diffractive film (DF) formed on its light-output face; the diffractive film includes a... | 03/11/2008 |
| 7333181 | Methods for the use and manufacture of infrared position sensing detector focal plane arrays for optical tracking A Sensor Chip Assembly (SCA) contains a focal plane array constructed as a semiconductor chip sandwich. One slice contains an array of PSDs made from IR sensitive semiconductor material, and the other slice contains Trans Impedance Amplifiers (TIAs)—and associated... | 02/19/2008 |
| 7319228 | Passive infra-red detectors A passive infra-red detector including at least three sub-detectors, each sub-detector being operative to receive infra-red radiation from a corresponding one of at least three sub fields-of-view, each sub field-of-view being exclusively defined by an optical elemen... | 01/15/2008 |
| 7312452 | Mobile remote detection device and remote detection method for methane gas accumulations The invention relates to a mobile remote detection device for accumulations of methane, comprising an emitter device having a light source in order to generate light, the wavelength of said light source being tuned with the spectral signature of methane, whereby the... | 12/25/2007 |
| 7304744 | Apparatus and method for measuring the thickness of a thin film via the intensity of reflected light A thin film thickness measurement apparatus that can measure immediately after film growth thickness of a thin film of a substrate that is grown includes a light receiving/projecting unit directing light substantially perpendicular to the substrate and receiving lig... | 12/04/2007 |
| 7295318 | Apparatus and method for evaluating the interior quality of fruits and vegetables One form of evaluation apparatus comprising a plurality of light sources vertically arranged by one side of a carrier line in width direction Y perpendicular to carrying direction X of the carrier line; and a light-receiving section arranged by an opposite side of t... | 11/13/2007 |
| 7288765 | Device for detecting infrared radiation with bolometric detectors This device for detecting infrared radiation comprises a one or two-dimensional array of elementary bolometric detectors, that are electrically connected to a readout circuit (1), which is associated with a compensation structure intended to divert most of th... | 10/30/2007 |
| 7286052 | Detector with blinders A detector mountable on either a planar wall or an interior corner and having an adjustable field of view. The detector includes first and second sensors positioned to provide a horizontal field of view defining an angle of approximately 180 degrees. At least one bl... | 10/23/2007 |
| 7279132 | Chemical vapor sensor having an active and a passive measurement mode A chemical vapor sensor is provided that measures a chemical species of interest with high sensitivity and chemical specificity. In an aspect, an ethanol vapor sensor is provided, sized for being inconspicuous and on-board a vehicle, having a passive measurement mod... | 10/09/2007 |
| 7268351 | Gas sensor module for the spectroscopic measurement of a gas concentration A gas sensor module for the spectroscopic measurement of at least one gas concentration, including at least: a spectroscopic gas sensor having a sensor chip which has a micropatterned measuring structure, and having an IR-transparent cap chip covering the measuring ... | 09/11/2007 |
| 7262412 | Optically blocked reference pixels for focal plane arrays Methods for making optically blind reference pixels and systems employing the same. The reference pixels may be configured to be identical to, or substantially identical to, the active detector elements of a focal plane array assembly. The reference pixels may be co... | 08/28/2007 |
| 7256937 | Structured polarizer and method for making the same A structured polarizer (linear polarizing filter) with side-by-side in a plane (lateral) regions having different polarization directions, complete extinction and complete transparency, is presented with two superpositioned planes (polarizers) with a polarizer whose... | 08/14/2007 |
| 7244939 | Gas sensor A gas sensor of the type that detects the presence of a specific gas by monitoring the absorption of optical radiation transmitted through a chamber containing a sample of gas under test comprises an optical source for emitting radiation therefrom and a detector sen... | 07/17/2007 |
| 7236249 | Rain sensor A rain sensor, for motor vehicles in particular, having one measuring distance with at least one transmitter and at least one receiver for electromagnetic waves (light waves), a windshield being arranged in the measuring distance, and the measuring distance influenc... | 06/26/2007 |
| 7236257 | Jump takeoff position indicator system A jump takeoff position indicator system that discloses the point of takeoff of a long jump or triple jump in athletic competition or practice when an athlete's foot comes in contact with a takeoff board when beginning a jump. A plurality of light beams are emitted ... | 06/26/2007 |
| 7224535 | Zoom lens system A zoom lens system is disclosed. The zoom lens system forms a final image of an object and a first intermediate real image between the object and the final image. The zoom lens system includes a first optical unit located between the object and the first intermediat... | 05/29/2007 |
| 7213968 | Hot melt adhesive detection methods and systems A hot melt adhesive sensing system and method including detecting (410) multiple areas of a target, for example, a hot adhesive material, by sensing changes in temperature with a corresponding number of thermal sensors, summing (420) an output of the t... | 05/08/2007 |
| 7196330 | Passive infrared sensor According to one embodiment, a passive infrared sensor includes an infrared sensing element 4, a pair of lenses 5R and 5L that set mutually substantially 180° opposing side detection areas of the infrared sensing element 4, and mirrors | 03/27/2007 |
| 7196332 | Monolithic x-ray detector with staggered detection areas A monolithic solid-state detector using a staggered arrangement of pixels in multiple rows improves spatial resolution without requiring reduction in pixel size. Parallelogram shapes of CZT monolith allow tiling in one dimension without inefficient zones between mon... | 03/27/2007 |
| 7193700 | Apparatus for monitoring the functionality of an optical element An apparatus for monitoring the functionality of an optical element includes a detector and a light source whose radiation is reflected to the detector by a surface of the optical element facing the detector and the light source. ... | 03/20/2007 |
| 7193689 | Method and device for light signal reception Method and device for light signal reception. This device can selectively execute a comparison mode or a gain mode. In the device, a transmitter transmits a light beam to a target. A receiver receives the light beam reflected from the target and outputs a correspond... | 03/20/2007 |
| 7187505 | Imaging lens for infrared cameras An infrared imaging device is provided which comprises first and second plastic Fresnel lenses that are in optical communication with each other. Each of the first and second lenses have a first major surface which is convex and a second major surface which comprise... | 03/06/2007 |
| 7183912 | PIR motion sensor utilizing sum and difference sensor signals A passive infrared sensor has two detector elements, each of which has a positive part and a negative part, with each detector element generating respective first and second signals. The signals are added together to render a “sum” signal and are also subtracted... | 02/27/2007 |
| 7180072 | Method and apparatus for creating a registration network of a scene An apparatus for creating a registration network of a scene includes a laser scanner for scanning the scene and obtaining data of the scene. The apparatus includes a plurality of targets placed in the scene. The apparatus includes a mechanism for forming a registrat... | 02/20/2007 |
| 7176044 | B-stageable die attach adhesives The present invention relates to b-stageable die attach adhesives, methods of preparing such adhesives, methods of applying such adhesives to the die and other substrate surfaces, and assemblies prepared therewith for connecting microelectronic circuitry. ... | 02/13/2007 |
| 7176463 | Method and apparatus for large signal detection in passive infrared sensor applications Apparatus for passive infrared sensing of an intruder that discriminates between signals corresponding to a human target and much larger signals may include first and second IR sensors, at least a first amplifier having a first voltage operating range. The first amp... | 02/13/2007 |
| 7176111 | Method for depositing polycrystalline SiGe suitable for micromachining and devices obtained thereof Method and apparatus to obtain as-deposited polycrystalline and low-stress SiGe layers. These layers may be used in Micro Electro-Mechanical Systems (MEMS) devices or micromachined structures. Different parameters are analysed which effect the stress in a polycrysta... | 02/13/2007 |
| 7161152 | Method and apparatus for reducing false alarms due to white light in a motion detection system A motion detection system includes a first sensor sensitive to infrared light in at least one detection zone and generating a first output signal representative of the detected level of infrared light. A second sensor is sensitive to visible light and generates a se... | 01/09/2007 |
| 7157707 | Radiation detector, sensor module having a radiation detector, and method for manufacturing a radiation detector A radiation detector, a method for manufacturing a radiation detector, and a sensor module having a radiation detector. The radiation detector may include a thermopile chip having a diaphragm, a first cavity formed underneath the diaphragm, a thermopile structure fo... | 01/02/2007 |
| 7157709 | Infrared sensor package An infrared sensor package has a dielectric support which is molded from a plastic material to have a sensor mount for securing a pyroelectric element as well as an IC mount for securing an IC chip that processes a signal from the pyroelectric element. The support i... | 01/02/2007 |
