Assignee: Korea Research Institute of Standards and Science

Location: Daejeon, KR
No. of patents: 21

Number	Title	Issue Date
7965018	Acoustic sensor with piezo-arrangement film Provided is an acoustic sensor for measuring a sound wave propagating through a gas such as air or a fluid such as water and an elastic wave propagating through a solid medium, and more particularly, an acoustic sensor with a piezo-arrangement film capable of detect...	06/21/2011
7453263	Reference current optimizing apparatus for controlling magnetic flux-voltage conversion characteristic of double relaxation oscillation squid A reference-current optimizing apparatus of a Reference Junction Double Relaxation Oscillation SQUID (RJ-DROS) with a signal SQUID and a reference junction for detecting a magnetic flux signal is provided. The reference-current optimizing apparatus includes a voltag...	11/18/2008
7268886	Method and apparatus for simultaneously measuring displacement and angular variations Disclosed herein is a method and apparatus for simultaneously measuring a displacement and angular variations. The method and apparatus of the present invention allows light radiated from a single light source to be placed along a light axis so as to simultaneously ...	09/11/2007
7105138	Macroporous perovskite manganese oxides with highly ordered nano-pores and method of preparing the same The present invention relates to the macroporous manganese oxide material having ferromagnetic property and a method of preparing the same, more particularly to the macroporous ferromagnetic manganese oxide having three-dimensionally ordered nanopores, which is prep...	09/12/2006
7061184	Plasma electron density measuring and monitoring device The present invention discloses a device for measuring and monitoring electron density of plasma. The device includes a chamber filled with plasma having varying electron density; a frequency probe having transmission/receiving antennas and a pair of waveguides, one...	06/13/2006
6767525	Method for preparing manganese-based nitride having nearly zero temperature coefficient of resistivity The present invention relates to a method for preparing manganese-based nitride having nearly zero temperature coefficient of resistivity and more particularly, to the effective method for preparing manganese-based nitride expressed by the formula (1), wherein the m...	07/27/2004
6574252	Radio frequency excited slab waveguide laser comprising detector and method of stabilizing the laser power and frequency using optogalvanic effect There are provided a radio frequency excited slab waveguide laser and method of stabilizing the laser power and frequency using a detection circuit which uses a variation in an incident or reflecting radio frequency signal caused by an optogalvanic effect...	06/03/2003
6483861	Silicon thin film structure for optoelectronic devices and method for fabricating the same Disclosed are a silicon thin film structure for optoelectronic devices and a method for manufacturing the same. The silicon thin film structure for optoelectronic devices, comprises a multi-layered structure consisting of a plurality of structural units, ...	11/19/2002
6324894	Device and method for measuring argon impurity by utilizing the triple point and the γ-ଲ transition temperatures of oxygen The present invention relates to a quantitative measuring method of argon impurity contained in high purity oxygen by means of triple point and γ-ଲ phase transition of oxygen, and also to a cryostat employed in quantitative measuring of argon impur...	12/04/2001
6271857	Method of and apparatus for reproducing texture A method of and an apparatus for reproducing texture, in which a garment product designed by a designer is reproduced using a computer. A visual texture of the product is reproduced by applying the reproduced product to a virtual model, and displaying the...	08/07/2001
6127915	High temperature platinum resistance thermometer and method of producing such A high temperature platinum resistance thermometer and a method of producing such a thermometer. Both a sensor frame and a protective tube are made of mon-crystalline synthetic sapphire, which has a melting point of about 2050° C. and effectively prevent...	10/03/2000
6084893	Apparatus and method of laser power and frequency stabilization of radio frequency excited laser using optogalvanic effect An apparatus for and a method of stabilizing the laser power and frequency of a radio frequency excited laser, which are adapted to lock the laser power and frequency of the laser at the vertex of a laser gain curve using an optogalvanic effect generated ...	07/04/2000
6064684	Unidirectionally operating laser apparatus using semimonolithic ring cavity A unidirectionally operating laser apparatus using a semi-monolithic ring cavity having a compact structure capable of achieving a high frequency stability and a high-speed laser frequency tuning and modulation. The laser apparatus includes a laser active...	05/16/2000
6010982	Sodium-intervened superconductor and its manufacturing method The present invention relates to a sodium-intervened superconductor and its manufacturing method and more particularly, to the sodium-intervened superconductor expressed by the following Formula 1 and its manufacturing method, wherein the superconductor, ...	01/04/2000
5987891	Thermoelectric refrigerator/warmer using no external power, and refrigerating/warming method A thermoelectric refrigerator/warmer using no external power, and a refrigerating/warming method are disclosed. A natural energy such as the solar energy is utilized so as to make an external power needless. Thus a thermoelectric device is made to convert...	11/23/1999
5899666	Ion drag vacuum pump An ion drag vacuum pump is installed in a body, one side of which is connected to and in communication with a sealed chamber. An ion generating device and a positive ion dragging device for dragging positive ions generated by the ion generating device to ...	05/04/1999
5889214	6-component load cell A 6-component load cell used for measuring triaxial force and moment components is disclosed. The load cell has a sensing unit and an external case. In the sensing unit, upper and lower rings individually have a plurality of connectors and arcuate thick p...	03/30/1999
5870416	Semi-monolithic ring cavity for second harmonic generation of laser frequency A semi-monolithic ring cavity for a second harmonic generation of laser frequency including a nonlinear crystal, an input mirror, an output mirror, a first point, at which a fundamental wave is incident onto the input mirror, a second point, at which the ...	02/09/1999
5818858	Device for producing an electric potential having a difference frequency of a self-mixed signal in a laser resonator A device and method for measuring a difference frequency having a simple structure and utilizing optogalvanic effect for measuring a difference frequency when carbon dioxide laser light of a single wavelength is varied in frequency by a measuring object. ...	10/06/1998
5579109	3 frequency heterodyne laser interferometer that doubles the resolution A 3-frequency heterodyne laser interferometer and a method for measuring length and other physical quantifies by using the interferometer are disclosed. The 3-frequency heterodyne laser interferometer includes; a 3-frequency laser oscillating means; a bea...	11/26/1996
5492885	Mercury-thallium-barium-calcium-strontium-copper-oxide 1223 superconductor and method of making same Mercury-thallium based superconductors with the formula Hg1-x Tlx Ba2 (Ca1-y Sry)2 Cu3 O8+δ ; change "their preparing method, in particular characterized in that it" to an...	02/20/1996

PatentStorm

Bizarre Patents

PatentStorm News

Assignee: Korea Research Institute of Standards and Science