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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.
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| Number | Title | Issue Date |
| 7161128 | Optical instrument employing a wavefront sensor capable of coarse and fine phase measurement capabilities during first and second modes of operation An improved wavefront sensor for characterizing phase distortions in incident light including optical elements that spatially sample the incident light and form a dispersed spot with a fringe pattern corresponding to samples of the incident light. An imaging device ... | 01/09/2007 |
| 6709108 | OPHTHALMIC INSTRUMENT WITH ADAPTIVE OPTIC SUBSYSTEM THAT MEASURES ABERRATIONS (INCLUDING HIGHER ORDER ABERRATIONS) OF A HUMAN EYE AND THAT PROVIDES A VIEW OF COMPENSATION OF SUCH ABERRATIONS TO THE HUMAN EYE An improved ophthalmic instrument for in-vivo examination of a human eye including a wavefront sensor that estimates aberrations in reflections of the light formed as an image on the retina of the human eye and a phase compensator that spatially modulates the phase ... | 03/23/2004 |
| 6649895 | Dispersed Hartmann sensor and method for mirror segment alignment and phasing A dispersed Hartmann sensor includes a Hartmann lenslet in combination with a dispersive element, whereby a Hartmann spot formed by light passing through the Hartman lenslet is dispersed parallel to the phase step of the light. The shape of the blur spot ... | 11/18/2003 |
| 6631991 | Ophthalmic instrument having hartmann wavefront sensor deriving location of spots with spot fitting techniques An improved ophthalmic instrument including a wavefront sensor that estimates aberrations in reflections of the light formed as a spot image on the retina of the human eye, wherein the wavefront sensor includes at least one subaperture that spatially samp... | 10/14/2003 |
| 6630656 | Method and apparatus for wavefront measurement that resolves the 2-π ambiguity in such measurement and adaptive optics systems utilizing same An improved wavefront sensor for characterizing phase distortions in incident light including optical elements that spatially sample the incident light and form a dispersed spot with a fringe pattern corresponding to samples of the incident light. An imag... | 10/07/2003 |
| 6609794 | Method of treating the human eye with a wavefront sensor-based ophthalmic instrument An improved method for treating the eye includes the step of providing an ophthalmic instrument including an integral wavefront sensor. The wavefront sensor measures phase aberrations in reflections directed thereto to characterize aberrations of the eye.... | 08/26/2003 |
| 6595642 | Ophthalmic instrument having Hartmann wavefront sensor with extended source An improved ophthalmic instrument including an extended source producing light that is formed as an image on the retina of the human eye and reflected there from to produce retinal reflections derived from the extended source, and a wavefront sensor that ... | 07/22/2003 |
| 6104452 | Optical illuminator for liquid crystal displays The present invention teaches a liquid crystal display system comprising a liquid crystal display ("LCD") having a plurality of pixels. Moreover, the system comprises an illuminator for illuminating each of said plurality of pixels. The illuminator compri... | 08/15/2000 |
| 6084629 | Telecine with dual digitizers and multiple scanning beams The present invention teaches an improved parallel telecine for converting a plurality of recorded images or frames of film, defined by a first and a second set of frames of film, to a digital data stream. The improved telecine comprises a plurality of im... | 07/04/2000 |
| 6011582 | Telecine with dual digitizers and multiple scanning beams The present invention teaches an improved parallel telecine for converting a plurality of recorded images or frames of film, defined by a first and a second set of frames of film, to a digital data stream. The improved telecine comprises a plurality of im... | 01/04/2000 |
| 5889550 | Camera tracking system A camera tracking system determines the three dimensional (3D) location and orientation of the film plane of a camera providing live recording of a subject, thereby defining a 3D coordinate system of the live action scene into which animated objects or ch... | 03/30/1999 |
| 5808669 | Telecine with dual digitizers and multiple scanning beams The present invention teaches an improved parallel telecine for converting a plurality of recorded images or frames of film, defined by a first and a second set of frames of film, to a digital data stream. The improved telecine comprises a plurality of im... | 09/15/1998 |
| 5682213 | Optical illuminator for liquid crystal displays The present invention teaches a liquid crystal display system comprising a liquid crystal display ("LCD") having a plurality of pixels. Moreover the system comprises an illuminator for illuminating each of said plurality of pixels. The illuminator compris... | 10/28/1997 |
| 5633487 | Multi-focal vision system A machine vision system images bar code labels moving through a horizontal plane at variable object distances within the system's object depth of field Z obj with a plurality of sequential line images, each with different object lengths which g... | 05/27/1997 |
| 5629765 | Wavefront measuring system with integral geometric reference (IGR) A geometric sensor includes a Monolithic Lenslet Module (MLM) subaperture array having a plurality of microlenses, each of which have an opaque center formed concentric with the microlens optical axis, at the location of the lens chief ray, to produce an ... | 05/13/1997 |
| 5555090 | System for dimensioning objects The present invention teaches a system for measuring the height of an object having an outer surface. The system comprises a system for generating an energy beam along a path, such as light, having a structured pattern, wherein the structured pattern of t... | 09/10/1996 |
| 4725138 | Optical wavefront sensing system A wavefront sensor for detecting distortion in light wavefronts is described in which the wavefront is divided into a plurality of subapertures and light amplified or intensified and imaged as spots of light from each subaperture onto a filter mask. The f... | 02/16/1988 |
| 4399356 | Optical wavefront sensing system An improved light waveform image sensing system is described. The image wavefront is focused on an image divider and divided into "n"-segments ("n">1) whereupon the "n"-segements are focused on "n"-detector arrays and detected by "S"-detectors ("S">>1) in... | 08/16/1983 |
| 4141652 | Sensor system for detecting wavefront distortion in a return beam of light An improved apparatus for sensing wavefront distortions in a return beam of light, such as a beam returned through a turbulent atmosphere or through an imperfect optical system from a radiating or illuminated object is disclosed. This apparatus includes t... | 02/27/1979 |
