...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
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| Number | Title | Issue Date |
| 7983455 | System and methods of acquisition, analysis and authentication of the handwritten signature A person making a handwritten signature performs a series of three-dimensional movements with a plane graphical finality. The movements generate kinetic information perceived by a special pen that the signature is performed with (the writing and digital acquisition ... | 07/19/2011 |
| 7965876 | Systems and methods for image segmentation with a multi-stage classifier The systems and methods described herein provide for fast and accurate image segmentation through the application of a multi-stage classifier to an image data set. An image processing system is provided having a processor configured to apply a multi-stage classifier... | 06/21/2011 |
| 7668349 | Three-dimensional segmentation using deformable surfaces An image processing system comprising 3D image data processing means of automatic mapping a 3-D Surface Model onto the surface of an object of interest in a 3-D image, for estimating a model-based 3-D segmentation surface, comprising visualizing means and further co... | 02/23/2010 |
| 7426288 | Information processing apparatus and signature data input programs An apparatus includes an input device which inputs coordinate data and pressure data corresponding to a signature which is handwritten by a stylus, a unit for sensing a completion of input of a handwritten signature, a unit for detecting an actual stroke end point, ... | 09/16/2008 |
| 7406599 | Indicating status for digital signatures Methods and apparatus, including computer program products, for presenting status of digital signatures. A digital document is received that defines a presentation structure and includes a digital signature. The digital document specifies a representation of the dig... | 07/29/2008 |
| 7360332 | Firearm trigger proximity alarm A proximity alarm for a firearm having a trigger and a trigger guard is disclosed. The proximity alarm is for detecting when an object, such as a user's finger, enters the space between the trigger and the trigger guard, whereupon the proximity alarm alerts the user... | 04/22/2008 |
| 7342668 | High speed multiple line three-dimensional digitalization A system provides high-speed multiple line digitization for three-dimensional imaging of a physical object. A full frame of three-dimensional data may be acquired in the same order as the frame rate of a digital camera. ... | 03/11/2008 |
| 7337577 | Attachable fishing pole strike indicator A fishing pole strike indicator comprising a housing for a power source, illuminable member and exterior switch for engaging and disengaging illumination along with a pair of clamps each with a stationary and articulated jaw member so that the strike indicator can b... | 03/04/2008 |
| 7197167 | Registration apparatus and method, as for voting Apparatus and method for registration comprises a computer and a server in communication via a network, an intranet and/or the Internet, means for entry of data into the computer, and a signature or biometric digitizer including coupling software for directly enteri... | 03/27/2007 |
| 7184150 | Laser digitizer system for dental applications A intra-oral laser digitizer system provides a three-dimensional visual image of a real-world object such as a dental item through a laser digitization. The laser digitizer captures an image of the object by scanning multiple portions of the object in an exposure pe... | 02/27/2007 |
| 7155038 | Handwriting identification system, writing implement for identifying handwriting and method for identifying handwriting A processing terminal 10 includes a writing implement (ball point pen) 30. The writing implement 30 is provided with a tilt change detecting mechanism for detecting a change in a tilt with respect to a writing implement main body of a lead and a... | 12/26/2006 |
| 7155034 | Authorized personnel biometric detection system preventing unauthorized use of aircraft and other potentially dangerous instruments An authorized pilot detection system and method for controlling a variety of potentially dangerous instrumentalities such as aircraft, land vehicles, amphibious vehicles and other hand-controllable equipment, is disclosed. The system with respect to aircraft include... | 12/26/2006 |
| 7142312 | Laser digitizer system for dental applications A laser digitizer system provides a visual three-dimensional image of a real-world object such as a dental item through a laser digitization. The laser digitizer captures an image of the object by scanning multiple portions of the object in an exposure period. ... | 11/28/2006 |
| 7116844 | Method for generating vector data for a hand-drawn curve The present invention relates to obtaining vector data for a hand-drawn curve having coordinate values input from a pointing device and a thickness and/or density in accordance with pen pressure values. In order to reduce the amount of data input from the pointing d... | 10/03/2006 |
| 7096619 | Equipment operator personalization device A motion sensing device is embedded in a firearm. A processor in the firearm senses the pattern of motion of the firearm, and on sensing a specified sequence of motions, the processor permits operation of the firearm. The operator would move the firearm in a prescri... | 08/29/2006 |
| 7076903 | Safety lock for a firearm A safety lock system for a firearm comprising: a firearm having a hammer configured for firing said fire arm; a safety lock housing having a first end and a second end opposite said first end and an electronics package coupled to said housing, said first end configu... | 07/18/2006 |
| 7068825 | Scanning system and calibration method for capturing precise three-dimensional information of objects A scanning system includes a hand-held scanning device that generates two-dimensional images of a pattern reflected off an object. The system also includes a memory and processing unit. The memory stores a calibration table for the scanner and received scanned bitma... | 06/27/2006 |
| 7068836 | System and method for mapping a surface In accordance with a specific embodiment of the present invention, an image is projected upon a surface. The image can include a pattern having a plurality of individual shapes used to measure and map the surface. The plurality of individual shapes include features ... | 06/27/2006 |
| 7054510 | Handwriting recognition system In order to improve the accuracy of recognition of hand-written input using a stylus, output signals from a plurality of accelerometers representing x and y axis acceleration and deceleration are sampled at a predetermined rate and passed through a digital bandpass ... | 05/30/2006 |
| 7029275 | Interactive orthodontic care system based on intra-oral scanning of teeth Interactive, computer based orthodontist treatment planning, appliance design and appliance manufacturing is described. A scanner is described which acquires images of the dentition which are converted to three-dimensional frames of data. The data from the several f... | 04/18/2006 |
| 7027642 | Methods for registration of three-dimensional frames to create three-dimensional virtual models of objects A method and system are provided for constructing a virtual three-dimensional model of an object using a data processing system, and at least one machine-readable memory accessible to the data processing system. A set of at least two digital three-dimensional frames... | 04/11/2006 |
| 7010150 | Method for detecting and representing one or more objects, for example teeth A method for detecting and representing one or more objects, such as teeth, their preparations and their immediate environment, using a camera. A first recording is made wherein a still image is produced. The still image is blended into a current, mobile search imag... | 03/07/2006 |
| 6906703 | Electronic module for sensing pen motion An electronic module that inserts into or is otherwise associated with a pen or other writing instrument. The electronic module includes a mechanism, such as an accelerometer, for detecting pen motion. The electronic module is preferably mounted in a substitute ink ... | 06/14/2005 |
| 6763126 | Unauthorized user prevention device and method An unauthorized user prevention device and method prevents unauthorized users from operating a devices such as firearms or other types of weapons, and can also prevent access as an anti-theft device for vehicles and doors to vehicles or buildings. A users initially ... | 07/13/2004 |
| 6633282 | Ballpoint pen type input device for computer A wireless input device having an outward appearance resembling a standard ballpoint pen operates as both a standard ballpoint pen or similar writing instrument as well as an input device. The pen includes directional sensors for determining the direction... | 10/14/2003 |
| 6625314 | Electronic pen device and character recognition method employing the same An electronic device used to identify loci containing more than one stroke. This electronic device utilizes a ball rotation sensor to detect the position and movement while it is in contact with a surface and an acceleration sensor when the device is not ... | 09/23/2003 |
| 6563940 | Unauthorized user prevention device and method An unauthorized user prevention device and method prevents unauthorized users from operating a devices such as firearms or other types of weapons, and can also prevent access as an anti-theft device for vehicles and doors to buildings. A users initially g... | 05/13/2003 |
| 6546134 | System for assessment of fine motor control in humans A biometric machine method for instantaneous assessment of the fine motor control of a human individual through analysis of that individual's handwriting dynamics in which the dynamic data concerning forces, accelerations, and the like, of a scriber, is c... | 04/08/2003 |
| 6334003 | Data input system for enabling data input by writing without using tablet or the like A data input system is provided with an input pen. A sequence of characters are traced with the input pen, and image data on them are read from the image scanner incorporated in the input pen. Each character is recognized on the basis of the image data. I... | 12/25/2001 |
| 6160914 | Handwritten character verification method and apparatus therefor A handwritten character recognition method including the steps of acquiring coordinate information and writing pressure information relating to a handwritten character string as three-dimensional time series information, correcting the handwritten charact... | 12/12/2000 |
| 5802200 | Method for determining a reference autograph character string on the basis of a set of sample autograph character strings from the same writer In a method for determining a reference autograph character string on the basis of a set of sample autograph character strings from the same writer, a particularly characteristic autograph character string can be selected from a set of produced sample aut... | 09/01/1998 |
| 5730602 | Computerized method and apparatus for teaching handwriting A computerized system for teaching handwriting skills to a student displays a character to be written, prompting the student to use a digitizing pen to write the character on a digitizing surface, operating the digitizer to capture pen tilt angle, x,y coo... | 03/24/1998 |
| 5705993 | Authentication system and method A system and method of authentication electronic transactions in which personal hand writing patterns like signatures are used. Signatures are conveyed from sender to receiver through a data communications channel and stored as data streams. The method is... | 01/06/1998 |
| 5604817 | Tooth measurement without calbration bodies A method for the optical three dimensional measurement of a tooth without calibration bodies. An optical projection system projects a pattern onto a tooth, and an optical imaging system images the pattern projected thereon, from a first position in space ... | 02/18/1997 |
| 5568565 | Handwriting input method and apparatus A handwriting input method and apparatus is disclosed which generates a single line segment from a group of input line segments which are input by a user. The input line segments may be overlapping or disconnected short line segments, thereby allowing the... | 10/22/1996 |
| 5054088 | Signature verification data compression for storage on an identification card Apparatus and methods are described which take advantage of the peculiar characteristics of dynamic signature data while segmenting and compressing such data for storage on a limited capacity device. Compression is accomplished by digital oversampling, se... | 10/01/1991 |
| 4789934 | Signature verification algorithm An improved signature verification method using dynamic signature characteristics in the frequency domain. Analysis of a signature in the frequency domain is employed when time domain analysis does not adequately distinguish between true signatures and fo... | 12/06/1988 |
| 4736445 | Measure of distinguishability for signature verification An improved method of signature verification. More specifically, this method maps the values of input measures obtained by comparing a sample signature with a reference signature to a universal scale and combines them to produce a measure of similarity.... | 04/05/1988 |
| 4562592 | Shifting technique for signature verification A signature verification system includes means for obtaining acceleration data and pressure data related to a given signature and means for comparing that data with reference data previously obtained from an identified signer. The correlations between seg... | 12/31/1985 |
| 4553259 | Semi-independent shifting technique for signature verification A signature verification system includes means for obtaining acceleration data and pressure data related to a given signature and means for comparing that data with reference data previously obtained from an identified signer. The correlations between seg... | 11/12/1985 |