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A method for inducing cats to exercise consists of directing a beam of invisible light produced by a hand-held laser apparatus onto the floor or wall.
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| Number | Title | Issue Date |
| 6045881 | Copy restrictive documents A media for restricting the copying of a document utilizing one or more microdots that are embedded in said document for providing a non-visual, but machine detectable mark or marks. The detected means for detecting the presence of one or more microdots i... | 04/04/2000 |
| 5919730 | Copy restrictive documents A media for restricting the copying of a document utilizing one or more microdots that are embedded in said document for providing a non-visual, but machine detectable mark or marks. The detected means for detecting the presence of one or more microdots i... | 07/06/1999 |
| 5898515 | Light reflecting micromachined cantilever An improved microminiature radiation reflector is formed in a silicon support body with a fabricated cantilever member extending over a cavity that has been etched in the support body. The cantilever member has a reflection surface for reflecting incident... | 04/27/1999 |
| 5864742 | Copy restrictive system using microdots to restrict copying of color-reversal documents A system for restricting the copying of a color-reversal document having one or more microdots embedded in the color-reversal document. The system of detecting the presence of one or more of the embedded microdots and controllably disabling a copy machine... | 01/26/1999 |
| 5856864 | Photographic printer and method of making a filter for a photographic printer A method of improving uneven illumination in a photographic printer having an original image position and a light source to illuminate the original image position, which light source may illuminate the original image position non-uniformly, the method com... | 01/05/1999 |
| 5856266 | Copy restrictive documents A media for restricting the copying of a document utilizing one or more microdots that are embedded in said document for providing a non-visual, but machine detectable mark or marks. The detected means for detecting the presence of one or more microdots i... | 01/05/1999 |
| 5843564 | Copy restrictive documents A media for restricting the copying of a document utilizing one or more microdots that are embedded in said document for providing a non-visual, but machine detectable mark or marks. The detected means for detecting the presence of one or more microdots i... | 12/01/1998 |
| 5840134 | Functionally gradient permanent magnet actuators A functionally gradient permanent magnet is formed as a slab of alloy comprised of a rare earth-transition metal-boron, and areas of a diffused transition metal positioned at points along the length of at least one surface of the slab of alloy.... | 11/24/1998 |
| 5841905 | Business form image identification using projected profiles of graphical lines and text string lines A method of identifying business forms that uses contour polygons constructed from linear line segments. Wherein contour polygons are derived from a windowed raster scan of the forms' image. Each of the contour polygons is examined to determine if it repr... | 11/24/1998 |
| 5828920 | Translational electromagnetic camera shutter for variable aperture applications A shutter is disclosed having a shutter blade frame comprised of two spaced apart rails, each rail incorporating at least one magnet section. Individual pairs of electromagnets are positioned for movement along the rails. At least one shutter blade, havin... | 10/27/1998 |
| 5822660 | Copyright protection in color thermal prints Disclosed is a copy protection method for identifying copied images that have been captured or generated in electronic form. The method generates information in electronic form for causing the printing of copy restrictive information as a plurality of con... | 10/13/1998 |
| 5818495 | CRT printer for lenticular photographs A printer device for lenticular photographic images easily transforms electronic image files into photographic hard copy. The printer device includes a cathode ray tube screen and a projection lens. A filter wheel may be used for inserting optical filters... | 10/06/1998 |
| 5805783 | Method and apparatus for creating storing and producing three-dimensional font characters and performing three-dimensional typesetting A system and method for creating three-dimensional or depth image font text characters using graphic three-dimensional object creation techniques and graphics processors. The text characters can be represented as set descriptions of the characters. The te... | 09/08/1998 |
| 5789726 | Method and apparatus for enhanced transaction card compression employing interstitial weights A method of encoding and decoding a transaction card with a block of image data digitally representing the features of a digital portrait of an authorized transaction card user is disclosed along with apparatus for performing the method. The encoding meth... | 08/04/1998 |
| 5781225 | Method and apparatus for improving electronic recording of depth images A system and method in which a size of a pixel used to print lenticular depth images is changed to remove overlap in the slow scan print direction. A space adjustment of the space between scan lines can also be performed to remove pixel overlap. The pixel... | 07/14/1998 |
| 5777352 | Photodetector structure A photodetector that incorporates at least two photosensitive regions (separated by at least one physical gap) of a first semiconductor type with the at least two photosensitive regions being supported on a substrate and acting as first terminals of the p... | 07/07/1998 |
| 5772250 | Copy restrictive color-reversal documents A media for restricting the copying of a color-reversal document utilizing one or more microdots that are embedded in the color-reversal document for providing a non-visual, but machine detectable signal. By detecting the presence of one or more microdots... | 06/30/1998 |
| 5764231 | Method and apparatus for creating geometric depth images using computer graphics A method and apparatus in which a geometric graphic image of an object to be rendered as a depth image is created. The viewpoint of the viewer of the depth image is determined by the user. Once the viewpoint is determined the number of views is automatica... | 06/09/1998 |
| 5757425 | Method and apparatus for independently calibrating light source and photosensor arrays A method of calibrating an image sensor having an array of pixel sensor sites, and an area light source having a corresponding array of pixel emission sites, comprising the steps of: a. measuring the output of the light source in a first region with a rad... | 05/26/1998 |
| 5751492 | Diffractive/Refractive lenslet array incorporating a second aspheric surface A short focal length image sensor comprising: a color photosensor array comprised of sets of three photosensors with red, green, and blue, filters positioned over respective photosensors in each set; a lenslet array corresponding in the number of lenslets to t... | 05/12/1998 |
| 5752152 | Copy restrictive system A system and associated method for restricting the copying of an image document that contains an image of arbitrary and undetermined character that is formed in or on a document medium having a predetermined pattern of microdots. One embodiment of the sys... | 05/12/1998 |
| 5749016 | Photographic film cartridge with drive wheel activated status indicator An Indicator device for use with a web of material having perforations therein of a first pitch along an edge incorporates a wheel having a plurality of teeth that have a pitch that is less than the pitch of the perforations in the web of material. A spri... | 05/05/1998 |
| 5746366 | Wear plate positioned guide shoe A flexible web guiding apparatus including; a turnaround roller; a pinch roller positioned in driving engagement with said turnaround roller and defining a nip therebetween; and a web guide for accurately directing an end of the web into the nip defined b... | 05/05/1998 |
| 5742046 | Amplifier circuit for providing outputs as a function of sensed light An improved amplifier architecture for providing an output as a function of light sensed by a photodetector element where the amplifier has an input for receiving the current output from the photodetector element and an output for providing an output that... | 04/21/1998 |
| 5736798 | Passive magnetic damper A disk shaped passive magnetic damper incorporating a damper vane having spaced apart vertical and horizontal portions forming a castellated shape. Permanent magnets are positioned between the vertical portions of the damper vane for providing magnetic fi... | 04/07/1998 |
| 5724758 | Device and method for producing lenticular images with motion A lenticular device comprising: a sheet of lenticular material; and a printing on a viewing surface of the lenticular material with said printing representing a number of consecutive still images and a number of motion images.... | 03/10/1998 |
| 5727089 | Method and apparatus for multiple quality transaction card images The disclosed method for compressing an image to be stored on a transaction card at one of a plurality of quality levels performs the steps of: a. providing a number of compression codebooks each corresponding to a quality level of the to be compressed im... | 03/10/1998 |
| 5716461 | Functionally gradient permanent magnet actuators A functionally gradient permanent magnet is formed as a slab of alloy comprised of a rare earth-transition metal-boron, and areas of a diffused transition metal positioned at points along the length of at least one surface of the slab of alloy.... | 02/10/1998 |
| 5715487 | Camera and cartridge with password protection A password protected camera system, comprising a camera incorporating, means for receiving user entered passwords for controlling access to the camera's features and to the film cartridge is disclosed. The camera incorporates circuitry for writing and rea... | 02/03/1998 |
| 5711912 | Method for encapsulating elements such as magnets is sintered ceramic materials A process for forming a ceramic coated element formed by first encapsulating the element within a sacrificial material and then encapsulating the element and the sacrificial material with an unsintered ceramic material. The resultant combination of materi... | 01/27/1998 |
| 5709972 | Apparatus and method for the measurement of grain in images A generalized grain ruler incorporating a plurality of uniform patches representing a range of granularities, each patch being a perceptually distinct representation of graininess spaced at perceptually uniform intervals and recorded in an increasing sequ... | 01/20/1998 |
| 5703351 | Autofocus module having a diffractively achromatized toroidal lens An autofocus module generates a beam of light that is divergent in the horizontal direction and collimated in the vertical direction. The beam is formed using a laser diode and a diffractively achromatized toroidal lens. A pair of receiver lenses which ha... | 12/30/1997 |
| 5701005 | Color separating diffractive optical array and image sensor In one embodiment a diffractive element, having at least one surface formed as a plurality of blazed diffractive features that are curved and decentered to focus and chromatically disperse incident light into Red Green and Blue spots. An array of the diff... | 12/23/1997 |
| 5696371 | Diffractive/refractive lenslet array A short focal length image sensor is formed with an array of photosensor sites and a lenslet array. The lenslet array is comprised of a number of abutting lenslets corresponding in number to the number of photosensor sites. Each lenslet has its optical ax... | 12/09/1997 |
| 5683649 | Method for the fabrication of micro-electromechanical ceramic parts Micro-electromechanical ceramic parts are formed using green ceramic and a sacrificial material that has a higher melting temperature than the sintering temperature of the green ceramic to form electrical trace paths. After the sintering of the ceramic pa... | 11/04/1997 |
| 5682266 | Blur filter for eliminating aliasing in electrically sampled images A blur filter for use with a multi-element electro-optical sensor is formed with a plurality of diffractive elements positioned adjacent each other with each of the elements being comprised of uniformly spaced concentric diffractive features. The pluralit... | 10/28/1997 |
| 5673320 | Method and apparatus for image-based validations of printed documents Multiple validations of printed documents incorporating image information and authorizing data on a printed document assist in the printed document validation process. This technique requires the authorized document holder to have an image identification ... | 09/30/1997 |
| 5667944 | Digital process sensitivity correction A method for producing photographic images from a photographic film strip, of the type that uses density values of the photographic film strip to determine the density values of the produced photographic images, the improvement comprising the steps of: a)... | 09/16/1997 |
| 5666577 | System for switching pointing indices in laser aimed cameras In a camera having, a viewfinder, a microcontroller, and a laser pointer for providing a visible pointer, incorporated therein for aiding in the pointing of the camera the improvement comprising: means for forming a like image of the visible pointer, viewable ... | 09/09/1997 |
| 5629769 | Apparatus and method for the measurement of grain in images A generalized grain ruler incorporating a plurality of uniform patches representing a range of granularities, each patch being a perceptually distinct representation of graininess spaced at perceptually uniform intervals and recorded in an increasing sequ... | 05/13/1997 |
