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Attorney: Limbach & Limbach L.L.P.


Number of patents: 1578
Last date: October 16, 2001

1                      
NumberTitleIssue Date
6304326Thin film optical measurement system and method with calibrating ellipsometer
An optical measurement system for evaluating a reference sample that has at least a partially known composition. The optical measurement system includes a reference ellipsometer and at least one non-contact optical measurement device. The reference ellips...
10/16/2001
6301314Viterbi decoding apparatus and viterbi decoding method
Branch metric is calculated by a branch metric calculating circuit 21 on the basis of an input signal. ACS processing to select path of high likelihood on the basis of the branch metric to output state metric is carried out by an ACS circuit 22. Select in...
10/09/2001
6278519Apparatus for analyzing multi-layer thin film stacks on semiconductors
An optical measurement system is disclosed for evaluating samples with multi-layer thin film stacks. The optical measurement system includes a reference ellipsometer and one or more non-contact optical measurement devices. The reference ellipsometer is us...
08/21/2001
6276223Motor-operated cylinder
A motor-operated cylinder is provided, wherein the rotational movement of the output shaft of a motor is converted into a linear movement by a thread mechanism 3, with the least possible load applied to the thread mechanism 3 when an object starts to be m...
08/21/2001
6256420Data transmission system
A transmission system which quantizes a data signal into quantized data and alternatively either transmits the quantized data while controlling a quantity of distortion to a constant value or transmits the quantized data while controlling a quantity of da...
07/03/2001
6249381Illuminating method and illuminating device
The number of light sources and the number of divided light beams are optimized, so that a light beam with sufficiently reduced speckle contrast can be used as illuminating light. In an optical system for forming an image through a spatial modulator, lase...
06/19/2001
6249881Method for enabling and servicing critical interrupts while running an interrupt based debug monitor
A method for debugging an application on an embedded processor using a debug monitor service routine (debug ISR) and allowing critical interrupts to be transparently serviced is provided. The method enters and runs a debug monitor service routine transpar...
06/19/2001
6246468Integrated system for quickly and accurately imaging and modeling three-dimensional objects
An integrated system generates a model of a three-dimensional object. A scanning laser device scans the three-dimensional object and generates a point cloud. The points of the point cloud each indicate a location of a corresponding point on a surface of t...
06/12/2001
6237878Apparatus for holding a plastic bag
An apparatus to hold open for loading a limp plastic bag, such as a grocery bag used as a trash receptacle, includes a generally rectangular and horizontal base, four upstanding legs each attached to a corner of the base, and two generally horizontal hand...
05/29/2001
6226248Optical disk, recording method and apparatus for canceling intercode interference
A servo circuit performs tracking control such that the center of scanning is positioned at the center between the track from which data is reproduced and the track immediately before. Then, the beam spot scans the track from which data is to be reproduce...
05/01/2001
6226247Data recording apparatus that identifies the type of data in each block of data
CD-ROM data is received to an interface 1. When a high reliability is required, a sector segmenting circuit 4 is selected by a switching circuit 3. The input data is sector segmented to the CD-ROM sector by the circuit 4. When a large recording capacity i...
05/01/2001
6223249Apparatus and method for controlling access to one or more disc storage devices
The present invention relates to a method and a device for controlling access to a disc storage device comprising a plurality of discs storing a plurality of second data obtained by dividing first data, the disc being configured such that a number of sect...
04/24/2001
6222673Group-delay-dispersive multilayer-mirror structures and method for designing same
Negative Group-delay-dispersion mirror (NGDD-mirror) multilayer structures include a generally-orderly arrangement of layers or groups of layers in which the function of certain individual layers or groups of layers can be recognized and defined. The stru...
04/24/2001
6223247Disk shaped recording medium and drive apparatus utilizing logical block address conversion and start addresses which increase from inner and outer circumferential sides of the medium
A disk shaped recording medium, drive apparatus and method for driving a medium divided into at least a recordable area and a reproduction only area, are disclosed. Address conversion is carried out by a conversion table so that the leading portion of a l...
04/24/2001
6219368Beam delivery system for molecular fluorine (F2) laser
A method and apparatus are provided for delivering a laser beam from a laser, such as an F2 laser, to a target through a sealed enclosure. The enclosure is evacuated and back-filled with an inert gas repeatedly for a number of times sufficient ...
04/17/2001
6215302Preamplifier and method for measuring resistance of a resistive transducer
A preamplifier for a resistive transducer, configured to generate an amplified output indicative of potential difference across the transducer (while the transducer is biased and in the presence of a magnetic field) and to generate a resistance signal ind...
04/10/2001
6212122Dual port memory operation method with synchronized read and write pointers
A FIFO stack is implemented using a DPRAM. One of the ports of the DPRAM is used to add elements to the FIFO stack, and the other port is used to remove elements from the FIFO stack. The ports operate in separate clock domains. A synchronization circuit c...
04/03/2001
6210745Method of quality control for chemical vapor deposition
A residual gas analyzer can be used as a deposition rate monitor. A deposition rate monitor is based on the detection of growth precursors and reaction byproducts of the thin film growth in deposition equipment such as chemical vapor deposition (CVD) syst...
04/03/2001
6212037Disk cartridges
A disk cartridge includes a shell, a disklike recording medium rotatably accommodated in the shell, and a center core mounted to the disklike recording medium in the center thereof. The center core includes an upper-clearance defining portion which abuts ...
04/03/2001
6208610Adjustable optical pickup device with means for removing stray light
An optical pickup device including a light source, an objective lens for converging a light beam outgoing from said light source, a beam splitter arranged between the light source and the objective lens for splitting the light beam radiated from the light...
03/27/2001
6208595Magneto-optical recording medium
On the assumption that a phase difference caused by a birefringence at the substrate is $c;br while a one caused by the magneto-optic Kerr effect of the recording layer is $c;MO, the magneto-optical recording medium formatted t...
03/27/2001
6208557EPROM and flash memory cells with source-side injection and a gate dielectric that traps hot electrons during programming
An electrically-programmable read-only-memory (EPROM) and a flash memory cell having source-side injection are formed with a gate dielectric material, and a pair of gates that are both formed on the gate dielectric material. The gate dielectric material h...
03/27/2001
6207212Method and apparatus for conveying bar-like bread dough pieces
A method of conveying bar-like bread dough pieces is provided. By it a bar-like bread dough piece being conveyed on the conveying face of a conveyor, with its axis being perpendicular to the direction of the conveyance thereof, is caused to rotate about t...
03/27/2001
6206082Molding machine and method to prevent a flask from deforming
A molding machine for producing a mold by applying external force of either pressurized air or mechanical compaction or both to molding sand (12) that is held in a mold space is disclosed. The mold space is defined by a master plate (9), which has a patte...
03/27/2001
6208607Disk loading apparatus with interlocked shutter mechanism, elevator mechanism and eject mechanism
A recording and/or reproducing apparatus of a disc-shaped recording medium includes a main body portion, a shutter mechanism, a drive mechanism, an elevation mechanism and an eject mechanism. The main body portion has an opening portion through which a di...
03/27/2001
6205398Apparatus and method for navigation and medium for providing the method
A navigation apparatus allowing a user to know an outline of a route searched for and selected. The apparatus includes: a searching element for searching for a route to a destination; a determining element for determining a pattern of the route searched f...
03/20/2001
6204983Apparatus for recording data on magnetic record medium
To ensure an overwrite characteristic for a magnetic disk and restrain the occurrence of waveform distortion. When record data (updated data) is recorded on a target area of a magnetic disk, a dc erase is effected to thereby ensure a requested overwrite c...
03/20/2001
6200504Method for encapsulating with plastic a lead frame with chips
An apparatus for encapsulating with plastic lead frames carrying chips includes mutually movable halves. In the closed position the movable halves bound a mold cavity for receiving a lead frame, a feed runner connecting onto the mold cavity for supplying ...
03/13/2001
6200335Stent for vessel
A stent for a vessel inserted in use into the vessel of a living body including a tubular member constituting a passageway from one end to its opposite end. The tubular member includes a main mid portion and low tenacity portions formed integrally with bo...
03/13/2001
6198756CW far-UV laser system with two active resonators
A laser system includes two separate active laser-resonators. A first of the laser-resonators delivers laser-radiation at a first wavelength, and the second generates fundamental laser-radiation at second wavelength. The second resonator includes an optic...
03/06/2001
6198709Signal recording/reproducing device and fault control method for signal recording area
Information signals recorded in a signal recording area of a magnetic disk 100 are reproduced for each sector unit by a magnetic head 3, and are taken out through an equalizer 8, an ECC circuit 9 and a buffer 10. A control circuit 12 obtains an estimate v...
03/06/2001
6198598Disc cartridge with slippery film to reduce friction and vent to discharge dust
A disc cartridge includes a shell for storage of a recording medium taken in the form of a disc having a center core formed at the center thereof. The disc has signal recording portions formed around the center core on the opposite surfaces thereof. The s...
03/06/2001
6198583Magnetic recording control system for disk storage drive
In a data recording system used for a magnetic disk drive, a write amplifier feeds a write head with a recording current that corresponds to the data to be recorded on the disk. A recording current controller selects a current value to be fed to the write...
03/06/2001
6198361Contactless IC card system
In a contactless IC card system, a modulating circuit manufactured in an IC form is operable at a high power efficiency. The demodulating apparatus is configured to include first signal output means for outputting a first output signal having a predetermi...
03/06/2001
6198761Coaxial laser pulser with solid dielectrics
A pulser with solid dielectrics including a pulse compressor and pulse transformer apparatus, which is able to produce short bursts of electrical energy at high voltage utilizing a coaxial structure. Both the transformer and the compressor utilize ferroma...
03/06/2001
6193711Rapid pulsed Er:YAG laser
An Er:YAG laser system has a resonant cavity including an Er:YAG rod pulse-pumped by a pulsed flashlamp. The pump-pulse repetition rate and average power is selected to provide a known essentially constant thermal-lensing power in the Er:YAG rod. Design p...
02/27/2001
6193164IC card and IC card system
An IC card and an IC card system for transmitting a signal modulated with a desired data sequence. In the IC card, a reference signal having the same frequency as a carrier of a transmission signal received by an antenna and phase-synchronized with the ca...
02/27/2001
6195317Optical disk, recording method and apparatus for canceling intercode interference
A servo circuit performs tracking control such that the center of scanning is positioned at the center between the track from which data is reproduced and the track immediately before. Then, the beam spot scans the track from which data is to be reproduce...
02/27/2001
6192084Soft output decoding apparatus and method for convolutional code
A soft output decoding method and apparatus are provided for provided convolutional codes. After computing the number of states times Iଲ (ଲt~ଲ.sub.t-D+1) for a truncated length, the soft output outside the truncated length is ...
02/20/2001
6191846Apparatus for evaluating metalized layers on semiconductors
An apparatus for characterizing multilayer samples is disclosed. An intensity modulated pump beam is focused onto the sample surface to periodically excite the sample. A probe beam is focused onto the sample surface within the periodically excited area. T...
02/20/2001
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