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 |
| 5592561 | Anti-counterfeiting system A system and method of marking goods for authentication and tracking purposes is described. The system and method include a central control which enables the system. The method and system are accomplished in real time, affording manufacturers the ability ... | 01/07/1997 |
| 5592560 | Method and system for building a database and performing marketing based upon prior shopping history The present invention includes a system for performing retail targeted marketing on customers. The system comprises a terminal for entering selected indicia from identification presented by customers at a point-of-sale in order to generate an identificati... | 01/07/1997 |
| 5581625 | Stereo vision system for counting items in a queue A number of items present in a substantially linear queue are counted by examining two images of a scene including the queue that are taken from vantage points offset relative to each other. Depth information for portions of the scene is obtained by corre... | 12/03/1996 |
| 5580172 | Method and apparatus for producing a surface temperature map A method and apparatus are provided for producing a temperature profile of a part operating within a machine is provided. The machine is operated with the part for a predetermined period of time. The part is placed in a light box in which a camera produce... | 12/03/1996 |
| 5579401 | Feature grouping in moving bodies in an image Feature grouping of moving rigid bodies in an image is accomplished by processing a sequence of two-dimensional orthogonal projection of a three-dimensional scene containing a plurality of such independently-moving rigid bodies.... | 11/26/1996 |
| 5574798 | Visual presentation system which determines length of time to present each slide or transparency A system determines display durations of each of a plurality of images in a presentation based on a respective amount of the information content in the image, the greater the information content the longer the display time. There are various techniques fo... | 11/12/1996 |
| 5572261 | Automatic audio to video timing measurement device and method The apparatus and method described herein provides for detecting or measuring the relative timing of the audio and video portions of an audio visual program by inspection of the opening and closing of the mouth of a speaker, and comparing that opening and... | 11/05/1996 |
| 5559894 | Automated meter inspection and reading A method and device, including a portable embodiment, for the automated inspection of devices having different visual changeable and non-changeable indicia on the faces thereof. Specific devices include meters, particularly electric usage meters, for dete... | 09/24/1996 |
| 5553161 | Copy reproduction apparatus for screen printing with color correction In a process for creating a data base for the reproduction of a copy on a web of material, primary colors are first applied on a sample of the web of material singly, in pairs, or three together in different quantitative proportions of color (a1, a2, a3) ... | 09/03/1996 |
| 5542004 | Foam analyzing method and apparatus A method of analyzing the visually perceptible characteristics of foamable liquid, such as beer, comprises pouring a known quantity of the foamable liquid from a storage container into a clear beaker. A camera produces a video image of the beaker and its ... | 07/30/1996 |
| 5539837 | Apparatus and method for measuring curved surfaces A transparent curved surface is illuminated and view along an orthogonal axis to generate a cross-section image of the subject surface. This image is processed to extract the first and second surfaces which are then mathematically characterized and displa... | 07/23/1996 |
| 5533146 | Weld bead quality determining apparatus An apparatus for determining quality of a weld bead of an welded assembly of different metal sheets, wherein a slit beam of light is obliquely thrown on the weld bead to make an illuminated band on an upper surface of the welded assembly. A CCD camera dis... | 07/02/1996 |
| 5528698 | Automotive occupant sensing device A vehicle occupant safety system includes an image sensor and processor that provides a classification of the occupancy status of the passenger seat area to determine whether an airbag should be deployed. The image processing system includes a photodetect... | 06/18/1996 |
| 5528703 | Method for identifying objects using data processing techniques The present invention provides a method for identifying the size, shape, and location of objects in a specimen wherein the image of the specimen is represented by image data and wherein the image data is processed to provide mask data representing a mask ... | 06/18/1996 |
| 5521986 | Compact data input device A data entry apparatus includes a mosaic display as a template for inputting characters, by a stylus or other device. The displayed mosaic includes a plurality of segments, each represented by a tile area of the template. Inputted characters are recognize... | 05/28/1996 |
| 5521984 | System for registration, identification and verification of items utilizing unique intrinsic features A method and system for determining the authenticity of an item such as an original work of art, an art print, valuable jewelry or other valuable items utilizes images of one or more unique patterns of features, preferably at a microscopic level, as one o... | 05/28/1996 |
| 5519784 | Apparatus for classifying movement of objects along a passage by type and direction employing time domain patterns An array of spaced parallel linear radiation beams are projected across a passage in sequentially spaced regions. Detectors sense when the beams are interrupted by one or more persons moving in the passage in either of two opposite directions. The beams a... | 05/21/1996 |
| 5515447 | Method and apparatus for locating an acquisition target in two-dimensional images by detecting symmetry in two different directions A system and method are disclosed for locating an acquisition target consisting of a plurality of concentric rings of alternating levels of reflectivity (bull's-eye pattern) in two-dimensional images such as optically encoded symbologies. Such targets may... | 05/07/1996 |
| 5499303 | Correction of the gaze direction for a videophone A method for correcting the gaze direction of persons in a digital image where an angular error between the gaze direction and the camera axis is determined. The pupils of both eyes in the image are then segmented and displaced within the image plane. Are... | 03/12/1996 |
| 5490218 | Device and method for inspection of baggage and other objects A device and method is provided for finding a specific material superimposed on an unknown background when the locations of the specific material and the background are unknown, for example, inside an item of baggage. The invention comprises exposing an a... | 02/06/1996 |
| 5473705 | Sign language translation system and method that includes analysis of dependence relationships between successive words A sign language translation system and method that not only recognizes words of a sign language but also supplements omitted words between the words of the sign language, to thereby generate a spoken language. The sign language translation system has an i... | 12/05/1995 |
| 5467410 | Identification of a blank page in an image processing system The present invention provides a robust technique for quickly determining whether a binary input image originated as a blank page. The technique provides reliable sensing in the presence of various image and scanner noise in the input image. In broad term... | 11/14/1995 |
| 5400667 | Means for measuring picture quality The invention relates to a way for subjective, graphical measurement of picture sharpness/picture quality. Measuring and assessing picture quality have so far been a time-consuming chore for laboratory engineers having access to expensive and complicated ... | 03/28/1995 |
| 5398289 | Process for programming and producing one or more signature prints in an electronic printing system An automatic signature printing process for an electronic printing system having a source of signature sheets, a programmer to program the system to print jobs including signatures; an input scanner for scanning and converting the documents to electronic ... | 03/14/1995 |
| 5393378 | Method for measuring and controlling fiber variations in paper sheet A formation control method and apparatus in which an image is emitted from a light source and transmitted through a predetermined area of paper an captured by a camera to be displayed as transmitted light image on a display of an image processing computin... | 02/28/1995 |
| 5369508 | Information processing methodology An information processing methodology gives rise to an application program interface which includes an automated digitizing unit, such as a scanner, which inputs information from a diversity of hard copy documents and stores information from the hard copy... | 11/29/1994 |
| 5357579 | Multi-layer atmospheric fading in real-time computer image generator The effect of multi-layer atmospheric scattering on the visibility F of each point P on a visible surface of each polygon in a display scene, in a computer image generation (CIG) system, is provided by determining the effective average reciprocal half-fad... | 10/18/1994 |
| 5347598 | Image processing apparatus In an image processing apparatus, an original image is extracted in the form of line segments divided by characteristic points, the extracted line segments are classified in accordance with the lengths of line segments connected to the characteristic poin... | 09/13/1994 |
| 5337371 | Pattern classification system A pattern classification system includes a plurality of classification sections. Each of the classification sections includes a device for storing information of N coefficients W representing a reference pattern, a device for calculating an evaluation val... | 08/09/1994 |
| 5327508 | Method and system for building a database and performing marketing based upon prior shopping history A method and system is disclosed for performing targeted marketing on infrequent shoppers. A check reader is provided for automatically reading the MICR code of a plurality of checks drawn on a plurality of different banking institutions. Circuitry detect... | 07/05/1994 |
| 5319547 | Device and method for inspection of baggage and other objects A device and method is provided for finding a specific material superimposed on an unknown background when the locations of the specific material and the background are unknown, for example, inside an item of baggage. The invention comprises exposing an a... | 06/07/1994 |
| 5305389 | Predictive cache system Prefetches to a cache memory subsystem are made from predictions which are based on access patterns stored by context. An access pattern is generated from prior accesses of a data processing system processing in a like context. During a training sequence,... | 04/19/1994 |
| 5301240 | High-speed video instrumentation system An imager and an analog to digital converter yield a series of digital signals from successive frames of images of scenes in which selected types of high-speed events may take place. The signals are sampled, and changes in the sampled signals typically in... | 04/05/1994 |
| 5287414 | Coded file locator system File folders are provided with unique machine-readable indicia representing the contents therein. Scanners sensitive to the machine-readable indicia are mounted to filing cabinets so that, upon opening or closing a drawer, the indicia on the folders withi... | 02/15/1994 |
| 5278400 | Multiple threshold encoding of machine readable code A method and apparatus for applying coded data to a substrate and decoding the data in which the data are encoded in cells having a determined number of pixels. The pixels are coded, preferably by binary printing, in accordance with the number of coded pi... | 01/11/1994 |
| 5278914 | Detector systems for existence or non-existence and stagnation of refuse and system for preventing stagnation of refuse In order to efficiently controlling a compressing feeder of refuse, a novel detector system for existence or non-existence of refuse, a novel detector system for stagnation of refuse, and a novel system for preventing stagnation of refuse, are disclosed. ... | 01/11/1994 |
| 5258586 | Elevator control system with image pickups in hall waiting areas and elevator cars An elevator control system for controlling movement of cages up and down in accordance with the situation of waiting persons in landing places or passengers in the cages detected by image pickup devices and other detecting devices includes first and secon... | 11/02/1993 |
| 5235656 | Variable spatial resolution focal plane The light from a telescope impinges upon a tilted image plane. The plane primarily includes a mirror having a high spatial resolution focal plane imbedded therein. The mirror reflects image light rays to a lower spatial resolution focal plane. The detecto... | 08/10/1993 |
| 5228112 | Inspection control system and method A system and method are described for automatic analysis of image information, such as dimensional, surface, internal or other information. Analysis is controlled by the electronic analysis of speech signals generated by an operator or by a combination of... | 07/13/1993 |
| 5222156 | Object information processing apparatus An object information processing apparatus includes a focussing unit for focussing light information from an object point; a light transmission unit for transmitting the light information from the object point to the focussing unit via first and second op... | 06/22/1993 |