Bizarre Patents
Cloaking System Using Optoelectronically Controlled Camouflage
A Cloaking System designed to operate in the visible light spectrum, utilizes optoelectronics and/or photonic components to conceal an object within it.
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| Number | Title | Issue Date |
| 7409060 | Durable and undecipherable digital watermarking technique and detection of unauthorized use A digital watermarking technique is disclosed, in which image data are converted to frequency components through discrete wavelet transform and quantized into a set of quantized coefficients, which are then divided into a plurality of blocks. A digital watermark is ... | 08/05/2008 |
| 7399513 | Paper including watermarks and/or embossing The invention relates to improvements in paper, and in particular to the use of watermarks and/or embossings for strengthening paper sheets and documents made therefrom. The invention therefore provides a sheet of paper having at least three corners and three sides ... | 07/15/2008 |
| 7367593 | Security documents and a method and apparatus for printing and authenticating such documents A security document and a method of making and authenticating the document in which the document contains a security feature of an image/background pattern printed in one subtractive color on the document and at least one other but different image/background pattern... | 05/06/2008 |
| 7366301 | Optical watermark A multiple-layered watermark is generated to be placed on document, to protect against counterfeiting and forgery. Hidden information embedded into each of the watermark's layers is only detectable by using a corresponding decoder. Because of the multiple-layered st... | 04/29/2008 |
| 7354072 | Authenticatable printed matter and its production method In authenticity determinable printed matter according to this invention, a background image portion and at least one message image portion are printed on a surface of a base member. The background image portion has a first line drawing which is arrayed in a first di... | 04/08/2008 |
| 7349158 | Diffraction grating-based encoded micro-particles for multiplexed experiments Microparticles 8 includes an optical substrate 10 having at least one diffraction grating 12 disposed therein. The grating 12 having a plurality of colocated pitches Λ which represent a unique identification digital code that is detected... | 03/25/2008 |
| 7325729 | Enhanced purchase verification for self checkout system A method and system for enabling reliable verification of items being purchased using a self checkout system. The self checkout system is equipped with a verification mark dispenser and verification mark detectors that respectively dispenses a mark on an item as the... | 02/05/2008 |
| 7305117 | Methods and tangible objects employing machine readable data The present invention relates generally to steganography. In one implementation we provide a method comprising: receiving optical scan data representing at least a portion of a physical object. The physical object includes information steganographically hidden there... | 12/04/2007 |
| 7287163 | Digital watermark embedding apparatus and method, and computer program A digital watermark embedding apparatus divides data to be watermarked into a plurality of data areas on the basis of data characteristics, in time series, or on the basis of user selection and performs digital watermark embedding in which different algorithms are a... | 10/23/2007 |
| 7284128 | Recording medium, recording medium method and apparatus , information signal output control method, recording medium reproducing apparatus, signal transmission method, and content data A record medium for recording an information signal in which a first watermark and a second watermark have been embedded, the first watermark being embedded when the information signal is transmitted as an analog signal, the second watermark being embedded when the ... | 10/16/2007 |
| 7248715 | Digitally watermarking physical media A digital watermark is embedded through varying pit locations on a data side of a CD, SACD or DVD. In one embodiment, a pattern of pits or data indentations forms a visual design on the data side. A watermark is embedded by slightly varying various pit locations wit... | 07/24/2007 |
| 7246239 | Digital watermarks for checking authenticity of printed objects The invention provides methods for embedding digital watermarks for authentication of printed objects, and corresponding methods for authenticating these objects. One aspect of the invention is a method of embedding a digital watermark in a digital image to be print... | 07/17/2007 |
| 7227671 | Motion picture watermarking using two color planes The present invention provides a method for recording a watermark pattern on a color recording medium that forms an image using a number N of colorants, the method comprising the step of forming the watermark pattern using at least two colorants, but fewer than N co... | 06/05/2007 |
| 7220535 | Marking and authenticating articles Disclosed herein are methods and apparatus for providing markings upon objects, including the read side of an optical information media, where the markings do not substantially interfere with object, including the use of the optical information media. This invention... | 05/22/2007 |
| 7213757 | Emerging security features for identification documents The present invention provides an emerging security or authentication feature for identification documents and other objects. The security feature is constructed using two differently emission-decaying inks. The inks are arranged so as to convey a first pattern when... | 05/08/2007 |
| 7201821 | Identifying medium and identifying method for object The present invention provides a discrimination medium A for discriminating the authenticity of an article by providing an optically discriminating mark on the article. A film 20 having a light reflecting layer of a polymer cholesteric liquid crystal having a... | 04/10/2007 |
| 7200751 | Watermark system A method for examining an electronic representation of an item for a watermark, the method including examining at least a first electronic representation of an item for a watermark in accordance with a first watermark definition, receiving a signal indicating that a... | 04/03/2007 |
| 7190522 | Chemical synthesis using diffraction grating-based encoded optical elements An optical identification element having a synthesized chemical attached thereto includes an optical substrate having at least one diffraction grating disposed therein, the grating having a resultant refractive variation at a grating location, said grating being emb... | 03/13/2007 |
| 7162453 | Protecting content from unauthorized reproduction A system for watermarking data associated with one or more products includes one or more software components that collectively generate an algorithm for creating a particular pattern in data associated with one or more products available from one or more sellers. Th... | 01/09/2007 |
| 7154560 | Watermarking of digital image data Digital watermarks can serve to indicate copyright ownership of digitized video. When video images are transmitted as transformed by discrete cosine transformation (DCT) for compression, with or without motion compensation, it is advantageous to include a watermark ... | 12/26/2006 |
| 7144166 | System for secure printing The present disclosure relates to a method for printing a secure image on media using an inkjet printing device. The method includes printing an underlayer using an inkjet printing device that penetrates into a front surface of media. The underlayer is configured to... | 12/05/2006 |
| 7126721 | Protecting printed items intended for public exchange with glossmarks The present invention relates to protecting printed items intended for public exchange having important informational indicia provided therein. The print items are protected from tampering by providing an informational indicia image as a glossmark. By selectively ap... | 10/24/2006 |
| 7126755 | Method and apparatus for labeling using diffraction grating-based encoded optical identification elements A method and apparatus for labeling an item using diffraction grating-based encoded optical identification elements 8 includes an optical substrate 10 having at least one diffraction grating 12 disposed therein. The grating 12 has one or ... | 10/24/2006 |
| 7118644 | Image transfer medium and process for producing same An image-transfer medium includes a transparent substrate and a transferable material formed on a first surface of the substrate. A selected portion of the transferable material can be transferred in an arbitrary shape to an article to form a personalized image by a... | 10/10/2006 |
| 7114660 | Non-image pixel data stored on hard-copy image media An image bearing article includes a support; a visible image recorded on the support; invisible information recorded on the support, the invisible information relating to and in registration with elements of the visible image. ... | 10/03/2006 |
| 7114750 | Self-authenticating documents The present invention provides a durable and self-verifying secure document system and a method for its production, wherein counterfeiting is prevented. The secure document system is potentially useful for a wide variety of documents including, but not limited to, l... | 10/03/2006 |
| 7113929 | System for voucher or token verification The present invention allows verification of a voucher or token prior to redemption. The voucher or token has a code associated therewith so that a value of the voucher or token may be stored in a database. Later when the voucher or token is presented to a cashier f... | 09/26/2006 |
| 7106513 | Diffraction grating-based encoded particle An encoded particle 8 includes a particle substrate 10; at least a portion of the substrate having at least one diffraction grating disposed therein, the grating having a resultant refractive index variation at a grating location, the grating being emb... | 09/12/2006 |
| 7092160 | Method of manufacturing of diffraction grating-based optical identification element A method for manufacturing a diffusion grating-based optical identification element is provided. The optical identification element includes a known fiber substrate, having a diffraction grating disposed therein the grating being indicative of a code when exposed to... | 08/15/2006 |
| 7092912 | Security for uniquely generated electronic seals of certification The invention provides techniques for issuing electronic seals of certification to online entities, such as online merchants, in a manner that prevents non-certified parties from easily stealing or otherwise misusing the seals. A central seal issuer verifies the cre... | 08/15/2006 |
| 7054463 | Data encoding using frail watermarks Image, video, or audio data is encoded with both a frail and a robust watermark. The two watermarks respond differently to different forms of processing (e.g., copying the object may render the frail watermark unreadable), permitting an original object to be disting... | 05/30/2006 |
| 7050201 | Method and apparatus for encoding paper with information Paper is textured with a pattern that yields a known signature signal when transformed to the frequency domain. This signature can be used for various purposes, including determining the angular orientation of the paper when scanned, conveying a plural-bit digital w... | 05/23/2006 |
| 7050195 | Printed medium data storage A method of, and apparatus for, printing information on a hardcopy medium includes the acceptance of data representing a first information and the acceptance of data representing a second information. Second information is printed in regions on the medium where firs... | 05/23/2006 |
| 7040663 | Value document The invention relates to a document of value such as a paper of value or ID card with a security element having an optically variable material. Said optically variable material conveys different color effects at different viewing angles. Additionally, the security e... | 05/09/2006 |
| 7007165 | Watermark system A method for examining an electronic representation of an item for a watermark, the method including examining at least a first electronic representation of an item for a watermark in accordance with a first watermark definition, receiving a signal indicating that a... | 02/28/2006 |
| 7003131 | Watermarking and fingerprinting digital content using alternative blocks to embed information A method of embedding information in digital content representing media streams. The method includes (1) selecting a set of locations within that digital content reprensenting the media stream to embed information, (2) selecting a set of possible alterations to make... | 02/21/2006 |
| 7000113 | Recording information with a watermark related to a prerecorded medium mark on an information carrier A system for copy protection of recorded information is disclosed, including an information carrier, a recorder and a player. The information carrier, e.g. an optical disc, includes a medium mark representing a first bitpattern, which medium mark cannot be copied on... | 02/14/2006 |
| 6993150 | Halftone primitive watermarking and related applications The present invention relates to a method for embedding a digital watermark into a halftone image comprised of clusters of halftone dots, which are referred to as geometric primitives. This method embeds a watermark image signal including an array of multilevel per ... | 01/31/2006 |
| 6987861 | Security arrangements for printed documents A security feature, by which a genuine document can readily be visually distinguished from a reproduction, employs finely detailed, laterally spaced structures to yield the illusion of a 3D texture. When replicated using commonly-available scanning or printing devic... | 01/17/2006 |
| 6963845 | Business card as electronic mail authorization token The present invention provides a method of enabling a first user to obtain, using a business card of a second user, authority to transmit electronic mail to the second user, the business card including coded data indicative of the identity of the business card and o... | 11/08/2005 |
