Patents

Searching:





Search by keyword, patent number, inventor, assignee, city or state:




Patent # Description
US-6,243,513 Wavelength division multiplexing/demultiplexing devices using diffractive optic lenses
An improved wavelength division multiplexing device is disclosed. The improved wavelength division multiplexing device has a diffraction grating for combining a...
US-6,243,512 Optical 2-fiber ring network
An optical 2-fiber ring network having multiple terminals and two unidirectional data rings. The connection between two of the terminals occurs via respectively...
US-6,243,511 System and method for determining the condition of an optical signal
A system for determining the condition of an optical signal includes a first refractive material having an interface with a second refractive material. The first...
US-6,243,510 Electronically-controllable fiber optic patch panel
A system and method for connecting an optical input to one or more selected optical outputs. The system includes at least one optical input port, and at least...
US-6,243,509 Packaging enhanced board level opto-electronic interconnects
A planarized signal communications system (110) embedded within a printed circuit board (102) is disclosed, comprising first (118) and second (120) index buffer...
US-6,243,508 Electro-opto-mechanical assembly for coupling a light source or receiver to an optical waveguide
A novel electro-opto-mechanical assembly is provided. The electro-opto-mechanical assembly comprising: a first wafer, the wafer having a top and bottom surface;...
US-6,243,507 Connection-verification in optical MEMS crossconnects via mirror-dither
Integrated connection-verification system for use in a micro-electro-mechanical system (MEMS) crossconnect device. The system uses application of a dithering...
US-6,243,506 Optical frequency and temperature sensor system
This invention proposed a temperature and optical frequency sensor using two different optical resonators. The fiber with different thermal expansion factor and...
US-6,243,505 Narrow-band optical modulator with reduced power requirement
An optical modulator includes an optical waveguide and an electrode structure coupled to the waveguide such that a modulating signal applied to the electrode...
US-6,243,504 Integrated magnetic ink character recognition system and method therefor
An integrated character recognition system for providing high-accuracy detection of a magnetic ink character string of a printed medium. The character...
US-6,243,503 Data acquisition device for optical detection and storage of visually marked and projected alphanumerical...
The data acquisition device comprises a projecting device for projecting the light emitted by a radiation source onto a section of a marked surface, and an...
US-6,243,502 Image quality maintenance
A method and system is presented for improving and/or maintaining the quality of a digital image file by preserving information that was included at image...
US-6,243,501 Adaptive recognition of documents using layout attributes
An attribute extracting module (256) extracts attributes from a document (50) input into the system. An attribute comparison module (270) compares extracted...
US-6,243,500 Image processing apparatus and method for erasing dirty spots in reproducing systems
An image processing apparatus which processes image data either in a character image reading mode or a character/photo mixed-image reading mode. The apparatus...
US-6,243,499 Tagging of antialiased images
The present invention is a method and apparatus for the identification and tagging of antialiased pixels within regions of an image. The techniques described...
US-6,243,498 Adaptive non-uniformity compensation using feedforwarding shunting
A system and method adapted for use with a focal plane array of electromagnetic energy detectors to receive first and second frames of image data from...
US-6,243,497 Apparatus and method for optimizing the rate control in a coding system
A method and apparatus for selecting a quantizer scale for each frame to optimize the coding rate is disclosed. A quantizer scale is selected for each frame such...
US-6,243,496 Data compression
For compressing M-bit data words where M is a plural positive integer, groups of N data words are defined, where N is a plural positive integer, and then the...
US-6,243,495 Method a group of picture structure in MPEG video
A method of modifying a group of pictures (GOP) structure in an MPEG video signal from a low-delay mode bitstream having I and P pictures to a non-low-delay...
US-6,243,494 Template matching in 3 dimensions using correlative auto-predictive search
A template is analyzed to determine step sizes for searching within a search area. The template is analyzed by first padding the template with data points to...
US-6,243,493 Method and apparatus for handwriting recognition using invariant features
Handwriting recognition which is invariant with respect to translation, rotation and scale is achieved with a new feature signal, ratio of tangents, and a new...
US-6,243,492 Image feature extractor, an image feature analyzer and an image matching system
For providing an efficient image pattern matching system, an image feature extractor (11) of the invention comprises a feature vector extraction means (101) for...
US-6,243,491 Methods and apparatus for controlling a video system with visually recognized props
A passive prop for controlling the operation of a video game through visually detecting and tracking the prop. One aspect of the invention is a spherical prop of...
US-6,243,490 Data processing using neural networks having conversion tables in an intermediate layer
In a neural network which includes one input layer, one or more intermediate layers and one output layer, neural elements in the input layer and neural elements...
US-6,243,489 Method for a neural network for representing imaging functions
In a method for a self-organizing neural network for representing multidimensional, nonlinear imaging functions onto simpler imaging functions use...
US-6,243,488 Method and apparatus for rendering a two dimensional image from three dimensional image data
Texture mapping or video mapping is performed in such a way as to obtain perspectively correct images, while at the same time not requiring excessive...
US-6,243,487 Pattern exposure method using electron beam
Disclosed is a pattern exposure method for conducting an overlay exposure to a base pattern previously formed by using electron beam, which has the steps of: 1)...
US-6,243,486 System for counting colonies of micro-organisms in petri dishes and other culture media
A method for counting objects in an image includes the steps of: (a) providing an image including at least one object defined in the image in shades of at least...
US-6,243,485 Method and apparatus for recognizing irradiation fields on radiation images
An image size reducing process is carried out on an original radiation image represented by an original image signal, and a reduced image signal representing a...
US-6,243,484 Dynamic-functional imaging of biological objects using a non-rigid object holder
A non-rigid object holder assembly for use in examination of an object having a base (6), a first member (5) and a second member (2) movably mounted with respect...
US-6,243,483 Mapping system for the integration and graphical display of pipeline information that enables automated...
Pipeline data and satellite data are used to provide surveillance for a pipeline. The satellite data is integrated with the pipeline data to produce a current...
US-6,243,482 Obstacle detection system for low-flying airborne craft
Obstacle warning system for low-flying airborne craft in which case the edge contours of the obstacles are visualized for the pilot in a display.
US-6,243,481 Information embedding and retrieval method and apparatus
A method and system thereof for encoding and embedding information within digital data representing, for example, audio data, image data, and video data. The...
US-6,243,480 Digital authentication with analog documents
Techniques for protecting the security of digital representations, and of analog forms made from them. The techniques include authentication techniques that can...
US-6,243,479 Loudspeaker having pole piece with integral vent bores
A loudspeaker is disclosed having a pole piece formed with at least one axial bore, and at least one vent bore extending between the outer surface of the pole...
US-6,243,478 Flat speakers for personal computer
A flat speaker without grille mounted thereon for a computer comprises a cabinet having a center recess with a circumferential flange formed in recess for...
US-6,243,477 Audio system with partitioned input and output compartments
An audio system has a cabinet with several partitions. The partitions divide the interior of the cabinet into compartments. These include an input compartment,...
US-6,243,476 Method and apparatus for producing binaural audio for a moving listener
A system for generating loudspeaker-ready binaural signals comprises a tracking system for detecting the position and, preferably, the angle of rotation of a...
US-6,243,475 Speaker
A speaker has a substantially reduced size, is efficient in the low sound range and is unidirectional relative to the plane of installation or support of the...
US-6,243,474 Thin film electret microphone
A small, inexpensive, high quality electret formed by micro-machining technology on a support surface, and further including a small, inexpensive, high quality,...
US-6,243,473 Laptop computer with loudspeaker(s)
A lap-top computer (128) comprising a combined keyboard (137) and display screen (129), characterised by an opposed pair of loudspeakers (39, 40) attached to the...
US-6,243,472 Fully integrated amplified loudspeaker
A fully integrated, low cost, amplified electro-acoustic loudspeaker is disclosed in which an amplifier circuit (30, 130, 230, 330, 930, 1030), radio-frequency...
US-6,243,471 Methods and apparatus for source location estimation from microphone-array time-delay estimates
Apparatus for determining the location of a signal-generating source (e.g., a conferee in a telephone conference) includes at least three sensors (e.g.,...
US-6,243,470 Method and apparatus for advanced symmetric key block cipher with variable length key and block
A method and apparatus for an advanced symmetric key cipher for encryption and decryption, using a block cipher algorithm. Different block sizes and key sizes...
US-6,243,469 Information transmission method and apparatus
The present invention provides an information transmission apparatus and method for an information transmission system where encrypted information comprised of a...
US-6,243,468 Software anti-piracy system that adapts to hardware upgrades
An anti-piracy system reduces the opportunity for piracy and illicit use of software products by requiring each software product to be registered for a single...
US-6,243,467 Method of elliptic curve cryptographic digital signature generation and verification using reduced base tau...
A method of generating and verifying a digital signature by selecting an elliptic curve; selecting a point G; generating x and M; reducing x; generating a base...
US-6,243,466 Auto-escrowable and auto-certifiable cryptosystems with fast key generation
A method is provided for an escrow cryptosystem that is overhead-free, does not require a cryptographic tamper-proof hardware implementation (i.e., can be done...
US-6,243,465 Method of providing video programming nearly on demand
A method for providing video programming in a nearly on demand basis is disclosed. A video network includes a video server that operates several video recorders...
US-6,243,464 Quick attachment and release mounting bracket for cellular telephone applications
A user-friendly mounting element for mounting a cellular telephone to a vehicle without requiring permanent alteration of the vehicle is disclosed. The mounting...
← Previous | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 | Next →