Did You Know...
...that when IBM conducted a market study of Chester Carlson's invention in 1959, the company concluded that it would take only 5000 units of his new product to saturate the market? IBM therefore declined to be part of the new product introduction. Too bad for IBM. Carlson's invention was the xerography process, and his new product was the beginning of the Xerox Corporation. It is estimated that every day, worldwide, 3,000,000,000 copies are made!!
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| Number | Title | Issue Date |
| 8415627 | Fluorescence detection device using intensity-modulated laser light and fluorescence detection method Fluorescence detection device employed in a flow site meter emits laser light intensity-modulated by a modulation signal and acquires the fluorescence signal of fluorescence emitted from a measurement object passing through a measurement point of the laser light. Th... | 04/09/2013 |
| 8227757 | Radiographic imaging apparatus and radiographic imaging system, control method therefor, and program therefor An imaging apparatus includes a detector, having a plurality of pixels arranged in a matrix, for performing first and second radiography operations, a bias light source, and a control unit that controls the operation of the detector and the bias light source. In the... | 07/24/2012 |
| 7989770 | Control unit and control method for radiation source and radiation inspection system and method thereof A radiation inspection system is disclosed. The radiation inspection system comprises: an inspection passage through which a moving object under inspection can pass, a radiation source disposed on a side of the inspection passage for emitting radiation, an array of ... | 08/02/2011 |
| 7683328 | Photographing control apparatus and method A photographing control apparatus that controls a sensor for accumulating and reading out electric charge in order to obtain an image, includes: a deciding unit adapted to decide a frame period showing an image photographing interval, based on an input of an input u... | 03/23/2010 |
| 7241999 | Use of a photovoltaic element as sensor for checking the functioning of transmitters in the infrared range The present invention concerns the use of a photovoltaic element as sensor for checking the functionality of transmitters in the infrared range. ... | 07/10/2007 |
| 7208738 | Light source utilizing an infrared sensor to maintain brightness and color of an LED device A light source is disclosed. The light source has a light-emitting chip that includes an LED that generates light in an active region thereof. The LED emits a light signal in a forward direction, and infrared radiation generated in the active region is emitted in a ... | 04/24/2007 |
| 7164111 | Device for detecting invisible light beam A light beam detection device includes a light-receiving element for receiving a light beam and outputting a detection signal. A light detection circuit generates and outputs a light-emission signal based on the detection signal. A light-emitting element emits light... | 01/16/2007 |
| 7071472 | Irradiation control device In an irradiation control device which extends a longevity of an LED, a feedback control is performed to an irradiating portion by an output signal of a photo device provided in relation to the irradiating portion, thereby making brightness fixed. Alternatively, by ... | 07/04/2006 |
| 7046763 | Field and factory testable imaging detector An imaging assembly is provided including an x-ray source and a controller in communication with the x-ray source. A detector assembly is in communication with the controller, and includes a photodetector array in communication with the controller. A scintillator as... | 05/16/2006 |
| 6946652 | Accelerated weathering apparatus An apparatus for accelerated weathering testing specimens including discharge lamps as a concentrated light source for accelerating the deterioration of color, composition and/or structure of test specimens. Improved control calibration structures and methods of ope... | 09/20/2005 |
| 6872936 | Accelerated weathering apparatus An apparatus for accelerated weathering testing specimens including discharge lamps as a concentrated light source for accelerating the deterioration of color, composition and/or structure of test specimens. Improved control calibration structures and methods of ope... | 03/29/2005 |
| 6444986 | Method and apparatus for detecting an object within a heating sources's radiating beam A method and apparatus for detecting for detecting an object within a radiating beam of a radiating source. The method receives reflected and radiated radiation directly from the object to provide a radiation signal. The method then processes the radiatio... | 09/03/2002 |
| 6124103 | Arrangement and method of examining hydrophilic macromolecules in an aqueous solution An arrangement for the investigation of hydrophilic macromolecules (1) in an aqueous solution having a solid carrier surface (5) onto which a lipid film (24) is disposed, wherein the molecules (1) to be investigated are bound, by means of a molecular coup... | 09/26/2000 |
| 5587583 | Thermal imaging device A thermal imaging device (10) has single integrated circuit chip (86) to perform various analog signal processing (ASP) functions. The imaging device (10) has a detector array (50) including a plurality of detectors (50') each of which generate an electri... | 12/24/1996 |
| 5529630 | Apparatus for manufacturing a liquid crystal display substrate, and apparatus for evaluating semiconductor crystals An amorphous silicon film is formed on a glass substrate by a CVD method, and then the island regions of the amorphous silicon film is changed to a plurality of polycrystalline silicon regions which are arranged in a line and apart with each other in a pr... | 06/25/1996 |
| 5442154 | Laser beam machine safety device and method of use A safety device for use with a laser beam (5) passing from a source (1) along a given optical path which optionally includes mirrors (M1-M5), in conjunction with a beam control signal processing network. The processing network includes at least one remova... | 08/15/1995 |
| 5081363 | Dosimeter reading apparatus with optical laser converter Disclosed is a laser dosimeter reading apparatus having a controllable optical laser converter for providing multiple stimulating laser beams. The converter laser dosimeter reader can be used to stimulate or otherwise treat dosimeter elements to perform t... | 01/14/1992 |
| 5047639 | Concentration detector A concentration detector having a light source that is responsive to a chemical absorption peak to produce substantially monochromatic light at a wavelength of this absorption peak. The wavelength can be stabilized against an absorption peak in a referenc... | 09/10/1991 |
| 5041734 | Dosimeter reading apparatus with optical laser converter Disclosed is a laser dosimeter reading apparatus having a controllable optical laser converter for providing multiple stimulating laser beams. The convertible laser dosimeter reader can be used to stimulate or otherwise treat dosimeter elements to perform... | 08/20/1991 |
| 4970398 | Focused multielement detector for x-ray exposure control A multi-zoned x-ray exposure detector for a scanning fan beam x-ray system comprises an electron emitter which upon exposure to x-rays emits electrons into a channel defined by an isolation walls. The channel contains air which is ionized. The isolation w... | 11/13/1990 |
| 4956557 | Dosimeter for ionizing radiation There is disclosed a dosimeter to be used in connection with slit radiography and comprised of a gas filled chamber with one side wall provided with a plurality of X-ray transparent strip-like electrodes extending substantially transversely to a longitudi... | 09/11/1990 |
| 4906848 | Apparatuses and methods for laser reading of phosphors Apparatuses and methods for rapidly reading phosphors to determine the amount of energy stored therein. The stored energy is interpreted as a measure of the total exposure of the phosphor to ionizing radiation. The phosphor reading apparatus uses a laser ... | 03/06/1990 |
| 4896041 | Dosimeter for ionizing radiation A dosimeter for ionizing radiation is of oblong shape. It comprises a gas-filled measuring chamber surrounded by a casing. THe casing is formed of two oblong frames of insulating material that are substantially similar in shape. The two frames are mounted... | 01/23/1990 |
| 4859855 | Dosimeter for ionizing radiation A dosimeter for ionizing radiation is of oblong shape. It comprises a gas-filled measuring chamber surrounded by a casing. Two opposite side walls are manufactured of material transparent to the ionizing radiation. One of the transparent side walls is pro... | 08/22/1989 |
| 4856906 | Enhanced system for transmission loss comparison The present invention provides a system for transmission loss comparison. On embodiment of the present invention compares the transmission losses through optical paths through a first solution and a second solution. This embodiment includes first and second li... | 08/15/1989 |
| 4855597 | Radiation image read-out apparatus A radiation image read-out apparatus comprises a system for scanning a stimulable phosphor sheet carrying a radiation image stored thereon with stimulating rays in a main scanning direction, a system for moving the stimulable phosphor sheet with respect t... | 08/08/1989 |
| 4839518 | Apparatuses and methods for laser reading of thermoluminescent phosphors Apparatuses and methods for rapidly reading thermoluminescent phosphors to determine the amount of luminescent energy stored therein. The stored luminescent energy is interpreted as a measure of the total exposure of the thermoluminescent phosphor to ioni... | 06/13/1989 |
| 4831260 | Beam equalization method and apparatus for a kinestatic charge detector A kinestatic charge detector includes a feedback control system for beam equalizing the radiation flux incident on patients of varying thickness. The control system can be an analog or digital type and controls the intensity of the radiation source or the... | 05/16/1989 |
| 4814602 | Photoelectric conversion processing apparatus A photoelectric conversion processing apparatus includes a chopper which opens and closes a pinhole provided in the apparatus to intermittently apply incident energy from a target object to a PbS device. Thus, only when the pinhole is opened, the incident... | 03/21/1989 |
| 4801113 | Apparatus and method for electrical heating of aircraft skin for background matching Apparatus and method for background matching of an aircraft or spacecraft which includes the direct electrical heating of the aircraft skin to minimize a negative infrared contrast signature detected from above platform infrared detectors. An infrared det... | 01/31/1989 |
| 4757199 | Image scanning read-out method A sheet carrying an image stored therein is scanned by a light beam emitted by a light source. Light which is obtained by the scanning of the sheet and which carries the image is detected by use of a photomultiplier. When the level of output current of th... | 07/12/1988 |
| 4730113 | Safety system for a laser-utility facility A safety system for a laser-beam utilizing facility incorporates a safety enclosure (24) and an infra-red monitoring system (32) for detecting the development of hot spots at internal surfaces of the enclosure walls (24) and ceiling (26) which may occur a... | 03/08/1988 |
| 4710631 | Temperature compensation for a semiconductor light source used for exposure of light sensitive material An image forming method for exposing a light-sensitive material with a semiconductor light source whereby temperature-dependent variations in the radiation intensity and spectral characteristics of the light source are fully compensated for so as to maint... | 12/01/1987 |
| 4640627 | Apparatus for monitoring a plasma torch An apparatus for monitoring a plasma torch includes a dedicated photometer which produces a signal representative of the temperature of a quartz tube of the torch, which signal can be used to reduce the temperature thereof.... | 02/03/1987 |
| 4638163 | Method and apparatus for reading thermoluminescent phosphors An apparatus and method for rapidly reading thermoluminescent phosphors to determine the amount of luminescent energy stored therein. The stored luminescent energy is interpreted as a measure of the total exposure of the thermoluminescent phosphor to ioni... | 01/20/1987 |
| 4620098 | Radiation photographing apparatus With this radiation photographing apparatus, radiation image converting panels (or IPs) of the same size are used. X-rays shot through an X-ray tube are focussed to have a predetermined size by an X-ray diaphragm to expose a patient and to expose the IP w... | 10/28/1986 |
| 4510390 | Electronic method and apparatus for distance measurement through the use of equidistant thermal fiducial markings An electronic apparatus is used to measure distance by the detection and counting of a train of hot spots. The apparatus essentially comprises a heat producing means, a hot spot detecting means and electronic circuitry for energizing the heat producing me... | 04/09/1985 |
| 4507556 | Apparatus and method for determining pulp stock consistency An apparatus and method for determining the percentage of solid particles in a suspension (consistency) is provided. A source of diffused radiant energy is provided which energy is directed toward a suspension to be measured. The portion of the energy whi... | 03/26/1985 |
| 4480191 | Automatic gain control for an infrared source of an automotive emissions analyzer An automatic gain control circuit for driving a low mass infrared source used in an automotive exhaust gas emissions analyzer. A reference spectrum of radiant energy is monitored, demodulated and converted to an error signal to maintain the source at a co... | 10/30/1984 |
| 4469945 | Device for detecting radiation and semiconductor device for use in such a device In a radiation-sensitive semiconductor element which is divided into a number of sub-elements, the surface potential in the sub-elements varies with incident radiation as a result of charge carriers generated by the radiation. As soon as an adjustable thr... | 09/04/1984 |
