Patents

Searching:





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




Patent # Description
US-6,085,000 Wavelength division multiplexing optical device and manufacturing method therefor
A wavelength division multiplexing optical device includes a cladding layer formed on a waveguide substrate, a first optical waveguide embedded in the cladding...
US-6,084,999 Optical coupler assembly and method making the same
A coupler (30) includes an enclosure (32) sealing therein a fiber assembly (34) consisting essentially of a pair of fibers (36). The fiber assembly (34) includes...
US-6,084,998 System and method for fabricating distributed Bragg reflectors with preferred properties
Optical media is imaged by a combination of components for splitting a coherent beam into two co-propagating optical beams; converging the optical beams to...
US-6,084,997 Coupled waveguide structure
The coupled waveguide structure comprises first and second rectangular waveguides, disposed closely. The aspect ratio of the first waveguide is substantially...
US-6,084,996 Broadband long-period gratings
This invention is predicated on applicants' discovery that one can design long-period gratings having a center wavelength versus A characteristic which changes...
US-6,084,995 Reducing scanning errors
The use of regularly repeated small sections of pattern in making a complete optical grating may generate unwanted effects, such as side lobes, as a result of...
US-6,084,994 Tunable, low back-reflection wavelength division multiplexer
The tunable wavelength division multiplexer is disclosed. The wavelength division multiplexer includes a fiber, a holder, a filter, and an isolator. The fiber...
US-6,084,993 Optical transmission link for division multiplex transmission, and optical fiber constituting the link
The invention is to provide an optical transmission link suitable for a high speed and high bit rate wavelength division multiplex transmission. An optical...
US-6,084,992 Arrangement and method relating to optical transmission
An arrangement and a method route wavelength dependent optical signals including a number of wavelengths. The arrangement includes an optical Add-Drop...
US-6,084,991 CCD imager for confocal scanning microscopy
A CCD array imager adapted for use as a spatial noise discriminator in confocal scanning microscopy comprises a parallel (vertical) register with a horizontal...
US-6,084,990 Image reading and displaying apparatus
An object of the invention is to easily and firmly read an image and to reduce power consumption. An image reading and displaying apparatus comprises a scanner...
US-6,084,989 System and method for automatically determining the position of landmarks in digitized images derived from a...
A system and method for determining offset errors between line and pixel coordinates of landmarks in a digitized image generated by an imaging system disposed on...
US-6,084,988 Image processing apparatus
Black pixels of image signals are expanded, a plurality of black pixel regions obtained by expanding the black pixels are connected to each other, and the...
US-6,084,987 Collaborative judgement in statistical coding
A method of generating a collaborative judgment for use in coding a symbol is described. One method includes generating multiple probability estimates for a...
US-6,084,986 System and method for finding the center of approximately circular patterns in images
A center of an approximately circular pattern in a physical image can be determined by scanning the physical image to produce an array of digital values. The...
US-6,084,985 Method and apparatus for on-line handwriting recognition based on feature vectors that use aggregated...
A method for on-line handwriting recognition is based on a hidden Markov model and implies the following steps: sensing real-time at least an instantaneous write...
US-6,084,984 Image processing method, and apparatus therefor
A command identifying circuit separates entered image information into a bitmap command representing a line image and an image command representing a half-tone...
US-6,084,983 Image reading device and method
The image reading device has a white level correction coefficient calculation processor, in which a white level correction coefficient, used when performing a...
US-6,084,982 Method of chroma-keying for a digital video compression system
A method of performing chroma-key coding including the steps of defining color regions and quantifying the number of pixels in the regions, classifying...
US-6,084,981 Image processing apparatus for performing image converting process by neural network
An image processing apparatus using a neural network having: an image supplying unit for supplying spatiotemporal data of a predetermined region including a...
US-6,084,980 Method of and apparatus for deriving data intermediate to cross-sectional data descriptive of a...
A rapid prototyping and manufacturing apparatus and method (e.g. stereolithographic apparatus and a method) for layer-by-layer formation of a three-dimensional...
US-6,084,979 Method for creating virtual reality
A method of virtualizing reality, i.e., a method of creating virtual reality from images of a real event, is comprised of the steps of capturing a plurality of...
US-6,084,978 Hierarchical storage and display of digital images used in constructing three-dimensional image hard copy
A system which captures multiple planar images of a scene taken from different perspectives and decomposes each of the captured those images into multiresolution...
US-6,084,977 Method of protecting a computer system from record-playback breaches of security
A record-playback attack on a security system involves recording authorisation information such as passwords and playing them back to the server at a later time...
US-6,084,976 Earphone without impulse noise and conductive hearing loss
An earphone without impulse noise and conductive hearing includes a loudspeaker having a first sound output end for producing a high intensive sound wave and a...
US-6,084,975 Promontory transmitting coil and tympanic membrane magnet for hearing devices
In a hearing system, a transmitting coil is positioned on the promontory centered medial to the umbo of the tympanic membrane while securing the magnet to a...
US-6,084,974 Digital signal processing device
A digital signal processing device includes a rectifier circuit, logarithm conversion circuit, peak-hold/timewise attenuation circuit, gain table, multiplier and...
US-6,084,973 Digital and analog directional microphone
A directional microphone is disclosed. The shotgun microphone has an elongated tube which is designed to control directivity at frequencies above a predetermined...
US-6,084,972 Integrated microphone/amplifier unit, and amplifier module therefor
The invention relates to an integrated microphone/amplifier unit, in particular for a hearing aid, which is largely insensitive to interference signals such as,...
US-6,084,971 Active noise attenuation system
A noise attenuation system for the air induction ducting particularly for an internal combustion engine has an outwardly facing loudspeaker mounted within an air...
US-6,084,970 Mono-stereo conversion device, an audio reproduction system using such a device and a mono-stereo conversion method
The invention provides a method and a device for converting a monaural signal into a stereo signal by selectively allocating frequency bands of the input signal...
US-6,084,969 Key encryption system and method, pager unit, and pager proxy for a two-way alphanumeric pager network
A method and system allows encryption services can be added to an existing wireless two-way alphanumeric pager network by providing a pager proxy which is...
US-6,084,968 Security token and method for wireless applications
Apparatus and a method are described for providing for multiple secure functions in a host or wireless radiotelephone. Access to the functionality of the...
US-6,084,967 Radio telecommunication device and method of authenticating a user with a voice authentication token
Apparatus and a method are described for providing a security token. The security token may be used for numerous applications, but is particularly useful in...
US-6,084,966 Communicating encrypted signals in which random bits and random bit position data are inserted
A transmitted signal is enciphered or concealed to thereby prevent interference, even when data indicative of the receiver terminal is made public because of the...
US-6,084,965 Identification scheme, digital signature scheme giving message recovery and digital signature scheme with appendix
An identification scheme, a digital signature scheme giving message recovery, and a digital signature scheme with appendix are disclosed. In processing and...
US-6,084,964 Mechanical automatic pushbutton dialing device for telephones
A mechanical automatic pushbutton dialing device for telephones includes a roller and a planar plate having a plurality of holes. The roller is capable of...
US-6,084,963 Phone holder for selectively holding a mobile phone
A phone holder includes a single outer casing to which a holder connector is fixed and a plurality of types of inner casings selectively mountable into the outer...
US-6,084,962 Display window for a handset
A display window for a housing component, the display window and housing component together providing the front face of a radio telephone configured such that...
US-6,084,961 Circuit for monitoring battery voltages of telephone terminal facility, using power detector temporarily...
A circuit for monitoring battery voltages of a telephone terminal facility is disclosed. This circuit mainly includes a ringing detection circuit for generating...
US-6,084,960 Power supply circuit using a constant current and telephone apparatus including such a circuit
The present invention relates to a power supply circuit SC receiving a power supply current IS at an input voltage VLN and intended to supply a voltage VDD,...
US-6,084,959 Method and apparatus for controlling the ring volume of a telephone
A method and apparatus for controlling ring volume if a telephone by memorizing the ring volume in state where a telephone call is answered responsive to ring...
US-6,084,958 Determining the manner in which the wires connecting to a base set of a telephone system are used for...
A device connected to a base of a telephone system by four wires. The device determines the manner in which the wires are used during transmission and reception...
US-6,084,957 Method for setting up a telephone connection and an exchange system
A system and method for setting up a telephone connection which system comprises several exchange systems (100 and 116). A queuing list is used in the method,...
US-6,084,956 SS7 mediation for data network call setup and services interworking
In a data access transport service call setup from the Public Switched Telephony Network (PSTN) requires efficient utilization of PSTN resources and signalling...
US-6,084,955 Communication network control method and apparatus
A communication network includes a number of network nodes linked together by transmission paths. A network manager controls acceptance of calls onto ...
US-6,084,954 System and method for correlating incoming and outgoing telephone calls using predictive logic
For use with a communication station having a database containing past communication event information pertaining to the station, systems for, and methods of,...
US-6,084,953 Internet assisted return call
A system and method for performing a return call telephone operation in connection with a network such as the Internet to provide real time registration and bill...
US-6,084,952 System and method for communicating electronic messages over a telephone network using acoustical coupling
A system and method for communicating electronic messages between a remote device and a messaging server over telephone lines using acoustic coupling....
US-6,084,951 Iconized name list
The system and method consistent with the present invention provides a directory with graphical icons representing characteristics of the entries for a...
← 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 73 74 75 76 | Next →