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Attorney: Yip; Philip S.


Number of patents: 16
Last date: October 17, 2006

NumberTitleIssue Date
7123742Print user interface system and its applications
A print (e.g., on paper) user interface (PUI) device for decoding an embedded message to activate a function is described. The PUI can be used for transforming an embedded message into cognizable human sensory inputs. The device includes a reader and a processor. Th...
10/17/2006
5932315Microfluidic structure assembly with mating microfeatures
A microfluidic structure assembly having a microchannel formed by bonding two plates together is disclosed. The microfluidic structure assembly includes a first plate and a second plate. At least one of these plates has one or more microgrooves. Microdepr...
08/03/1999
5913308Apparatus and method for determining respiratory effort from muscle tremor information in ECG signals
An apparatus for determining the respiratory effort of a patient is disclosed. The apparatus includes a device for acquiring electrocardiographic (ECG) signal (e.g., conventional electrocardiogram (ECG) signal) that contains pure cardiac signal and respir...
06/22/1999
5871494Reproducible lancing for sampling blood
A blood analysis apparatus for obtaining blood for analysis from the skin of a patient with a controlled degree of lancing. The apparatus including a cartridge and a driver. The cartridge includes a cartridge case and a lancet. The lancet has a tip and is...
02/16/1999
5837475Apparatus and method for scanning a chemical array
A technique for analyzing analytes in a chemical array having a plurality of pixels is provided. The apparatus of the technique contains a light source for irradiating a light beam at the pixels individually, a controller for controlling the relative posi...
11/17/1998
5835522Robust passively-locked optical cavity system
A laser system capable of providing light of high intensity is disclosed. This system includes a laser gain medium and three reflectors. A first reflector and a second reflector spaced from the first reflector define a laser cavity that contains the laser...
11/10/1998
5834564Photoconductor coating having perfluoro copolymer and composition for making same
A photoconductor coating which is a cross-linked product of a copolymer is disclosed. The copolymer is a polymerization reaction product of reactant monomers comprising three types of monomers. The reactant monomers include from 0.1 to 20 mole percent of ...
11/10/1998
5812272Apparatus and method with tiled light source array for integrated assay sensing
A technique for analyzing target chemicals is provided. The apparatus of the technique contains an array of two or more light sources. Each of the array elements includes a light source. The light source has an emitting surface from which light can be emi...
09/22/1998
5794623Intramyocardial Wenckebach activity detector
An intramyocardial activity detector for detecting repeating patterns of irregular intramyocardial Wenckebach activity in the heart of a patient is provided. The apparatus includes a mechanism measuring electrocardiogram (ECG) signals from the body, a mec...
08/18/1998
5779643Imaging guidewire with back and forth sweeping ultrasonic source
An imaging guidewire for imaging tissues from inside a patient's body cavity. The imaging guidewire includes an elongated main body portion and an end portion. The end portion has a housing near to the guidewire's distal end, an ultrasonic beam emitting a...
07/14/1998
5720650Gas analyzer with arrangement for spray-cleaning optical element
A gas analysis apparatus for analysis of sample gas wherein the apparatus has a mechanism for cleaning optical elements such as reflectors and windows in the apparatus is provided. The gas analysis apparatus includes a light source for emitting light, a b...
02/24/1998
5701901Ultrasonic probe with back and forth sweeping ultrasonic source
An ultrasonic probe for imaging tissues from inside a patient's body cavity is disclosed. The ultrasonic probe includes an end portion having a back and forth pivotable transducer assembly for transmitting an ultrasonic beam. The transducer assembly is su...
12/30/1997
5684623Narrow-band tunable optical source
A laser system capable of providing light of high intensity is disclosed. This system includes a laser gain medium and three reflectors. A first reflector and a second reflector spaced from the first reflector define a laser cavity that contains the laser...
11/04/1997
5684586Apparatus for characterizing short optical pulses
An apparatus for characterizing a short optical input pulse is provided. The apparatus has an optical disperser and an analyzer. The optical disperser disperses the input pulse temporally to an extent adequate for the analyzer to analyze. The analyzer ana...
11/04/1997
5672870Mass selective notch filter with quadrupole excision fields
A notch filter for selectively removing a target ion with a specific mass-to-charge ratio from an ion beam is provided. The notch filter uses a quadrupole and a power supply for generating an rf electrical potential in the quadrupole. The quadrupole has t...
09/30/1997
5598001Mass selective multinotch filter with orthogonal excision fields
A multinotch filter for selectively removing target ions with a plurality of specific mass-to-charge ratios from an ion beam is disclosed. The multinotch filter uses a quadrupole and a power supply for generating rf voltages in the quadrupole. The quadrup...
01/28/1997
 
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