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Armor With Rollers

An armor with rollers is provided that enables a user to move in all positions by rolling on a hard and smooth surface while constantly varying his bearing points on the ground.

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Class 73/719 - Resistive


Subclass of Class 73 - Measuring and testing
Definition: Subject matter wherein the device effect a variation in
No. of patents: 64
Last issue date: 10/11/2011


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NumberTitleIssue Date
8033178Pressure-measuring cell
A pressure sensor comprises a sensor platform; a measuring membrane, or diaphragm, which is held by the sensor platform, and can have a pressure applied to it and is deformable as a function of pressure; and at least two resistance elements having an AlxG...
10/11/2011
7360439Sample resistance measurement device
In a circuit, as the bridge resistance of one side of a Wheatstone bridge circuit, a distortion gauge (fixed reference resistance) of which variation caused by environmental conditions is suppressed and a sample having a resistance component ΔR varied by the enviro...
04/22/2008
7360430High impedance thin film for strain gauge applications
A resistive thin film (1) made of grains (3) of conductive material having an average size, in a dielectric medium (2) is characterized by the total thickness of the film (1) being between 3 and ten times the average size of the grains (
04/22/2008
7343808Line pressure compensated differential pressure transducer assembly
A pressure transducer apparatus including: first and second pluralities of piezoresistors each coupled in Wheatstone bridge configurations, wherein the bridges are coupled together to provide a first output being indicative of a differential pressure; and, a third p...
03/18/2008
7343807Pressure sensor in the form of a film
The invention relates to a pressure sensor in the form of a film, comprising a first carrier film and a second carrier film which are arranged at a certain distance from each other by means of a spacer. The distance holder comprises at least one recess which defines...
03/18/2008
7338136Electronic braking device
An electronic braking device is provided which easily generates a braking force depending on the amount of brake operation in a range in which the amount of brake operation is small, just after the start of brake operation, and which protects a fluid pressure sensor...
03/04/2008
7318351Pressure sensor
A pressure sensor is constructed of a plastic package. The plastic package incorporates in the same material a sensing diaphragm including tensile and compression regions. Deposited on the diaphragm are metal electrodes and a polymer film having piezoresistive prope...
01/15/2008
7317234Means of integrating a microphone in a standard integrated circuit process
A means of integrating a microphone on the same integrated circuit die as other electronics in the system is disclosed. The structure uses solder bump technology to form a gap between an electrode on the silicon and another electrode. Charge is stored on the capacit...
01/08/2008
7316164Pressure detection device and manufacturing method of the same
A pressure detection device includes a sensing part that is provided at one end portion of the housing to output an electrical signal responsive to an applied pressure, a circuit part that is provided at an other end portion of the housing to process the signal from...
01/08/2008
7313965High-temperature pressure sensor
A high-temperature pressure sensor that includes a dielectric layer. The pressure sensor also includes a substrate capable of withstanding temperatures greater than 450° C. without entering a phase change, at least one semiconducting material deposited on the sapph...
01/01/2008
7284444Hermetically sealed displacement sensor apparatus
A hermetically sealed displacement sensor has strain gauges placed on thin flexible triangular shaped beams of a load beam cell. The strain gauges are enclosed in a hermetically sealed cavity which cavity is sealed by means of a cover plate placed over the load beam...
10/23/2007
7284438Method and system of providing power to a pressure and temperature sensing element
A method and system of providing power to a pressure and temperature sensing element is provided. Polarity switching is added to a current source for a sensor, which includes one piezo-resistive sensing element configured as a single implant square located at an edg...
10/23/2007
RE39863Combined flow, pressure and temperature sensor
The invention relates to a device for measuring pressure, temperature and/or flow velocity. It includes a sensor (6) with a sensor support body (13) provided with a diaphragm (15) covering a cavity (14) formed in the support body (13
10/02/2007
7249516Method of operating a resistive heat-loss pressure sensor
In a resistively heated heat-loss pressure gauge, electrical current is switched between a sensing element and a compensating element at different duty cycles. As a result, the sensing element is heated relative to the compensating element. A fixed resistance is pla...
07/31/2007
7240558Pressure sensor
A pressure sensor for sensing a pressure level of a pressurized medium. The pressure sensor includes a housing that has a high pressure side, a low pressure side and an aperture. A substrate is located in the aperture. The substrate has a pair of ends and a center p...
07/10/2007
7204566Hydraulic braking pressure control unit
A hydraulic braking pressure control unit including three or more hydraulic pressure control components, and a holder structure which holds those hydraulic pressure control components, wherein the three or more hydraulic pressure control components are selected from...
04/17/2007
7200524Sensor fault diagnostics and prognostics using component model and time scale orthogonal expansions
A method of diagnosing sensor faults for a heating, ventilation and air conditioning system includes the steps of creating a component model for a specific component within the system. The component model is created through the use of commonly available manufacturin...
04/03/2007
7181972Static and dynamic pressure sensor
A sensor, in accordance with aspects of the present technique, is provided. The sensor comprises a membrane formed of gallium nitride. The membrane is disposed on a substrate, which is wet-etched to form a closed cavity. The membrane exhibits both a capacitive respo...
02/27/2007
7171857Pressure transducer
One aspect is a pressure transducer package comprising a housing, a diaphragm, a support disposed in the housing and a sensing element disposed in the housing between the diaphragm and the support so that the pressure from the environment acts on the diaphragm to co...
02/06/2007
7010984Differential pressure sensor
The differential pressure sensor is formed of a semiconductor substrate (1) which is thinned out in an inner region into a membrane (2) which may be impinged by pressure on both sides. Measurement resistances (3a to 3d) for ...
03/14/2006
6973836Semiconductor pressure sensor having diaphragm
A semiconductor pressure sensor includes a semiconductor substrate having a diaphragm for receiving pressure and a bridge circuit for detecting a distortion of the diaphragm corresponding to the pressure. The bridge circuit includes a pair of first gauge resistors a...
12/13/2005
6935182Pressure sensor apparatus including stems provided with strain measuring arrangement
A first end of each hollow stem includes a diaphragm and a strain gauge, and a second end of each stem includes an opening. A housing includes a plurality of stem receiving through holes, each of which receives the corresponding stem. An O-ring is arranged in each t...
08/30/2005
6925885Pressure sensor
A pressure sensor includes a sensor element, and a resin package member that holds the sensor element. The sensor element is constructed by a semiconductor, and is capable of externally outputting an electric signal in accordance with strain generated when force is ...
08/09/2005
6923068Pressure transducer
One aspect is a pressure transducer package comprising a housing, a diaphragm, a support disposed in the housing and a sensing element disposed in the housing between the diaphragm and the support so that the pressure from the environment acts on the diaphragm to co...
08/02/2005
6901794Multiple technology flow sensor
A flow sensor includes sensors connected to a flexible membrane. The sensors detect ambient temperature, pressure, and flow rate of a medium. A method of sensing flow rate includes providing the flexible membrane; coupling the plurality of sensors to the flexible me...
06/07/2005
6889554Method of adjusting pressure sensor
It is an object to provide a method of adjusting a pressure sensor, in which adjustment of a diaphragm portion and adjustment of an amplification circuit connected to the diaphragm portion are simplified. A flexible circuit board having the amplification circuit mou...
05/10/2005
6860153Gas pressure sensor based on short-distance heat conduction and method for fabricating same
A thermal pressure sensor monitors pressure by measuring effects caused by variations of thermal conductivity between a member and a substrate to which the member is adhered by stiction. The interface between the member and the substrate behaves as an extremely narr...
03/01/2005
6799468Apparatus and methods for heat loss pressure measurement
A heat loss gauge for measuring gas pressure in an environment includes a resistive sensing element and a resistive compensating element. The resistive compensating element is in circuit with the sensing element and has temperature response and physical characterist...
10/05/2004
6782756Micromechanical component and equalization method
A micromechanical component, in particular a pressure sensor, including a substrate that has a membrane region, a surrounding region of the membrane region, at least one measuring resistance provided in the membrane region and modifiable by deformation of the membra...
08/31/2004
6770377Active brazing solder for brazing alumina-ceramic parts
The active brazing solder for brazing ceramic parts of alumina, particularly of high-purity alumina, contains a maximum of 12 wt. % Ti, a maximum of 8 wt. % Be, and less than 16.5 wt. % Fe, the remainder being Zr and any impurities that may be present. The active br...
08/03/2004
6668657Pressure sensor
A pressure sensor for a motor vehicle includes a sensor housing and a base. A pressure bore through the base leads to a pressure space delimited on one side by the base and on the opposite side by a diaphragm connected sealingly to the base. An actuating ...
12/30/2003
6658941Apparatus and methods for heat loss pressure measurement
A heat loss gauge for measuring gas pressure in an environment includes a resistive sensing element and a resistive compensating element. The resistive compensating element is in circuit with the sensing element and has temperature response and physical c...
12/09/2003
6640640Differential pressure sensor
A differential pressure sensor has a first and a second measuring chamber. Each measuring chamber is limited by a rigid carrier plate and a diaphragm plate, which is formed in the region of the measuring chamber as a pressure-sensitive measuring diaphragm...
11/04/2003
6615667Combined flow, pressure and temperature sensor
The invention relates to a device for measuring pressure, temperature and flow velocity. It comprises a sensor (6) with a sensor support body (13) provided with a diaphragm (15) covering a cavity (14) formed in the support body (13). A pressure sensitive ...
09/09/2003
6612175Sensor usable in ultra pure and highly corrosive environments
A sensor operable at temperatures in excess of 400° C. is described. The sensor of the present invention operates without fluid fill, is non-porous, non-contaminating, and has no exterior exposed metallic components. The sensor includes a non-porous, imp...
09/02/2003
6598482Overload resistant differential pressure sensor
A differential pressure sensor has a first and a second measuring chamber. Each measuring chamber is limited by a rigid carrier plate and a diaphragm plate, which is formed in the region of the measuring chamber as a pressure-sensitive measuring diaphragm...
07/29/2003
6595066Stopped leadless differential sensor
A leadless sensor of the type employing a p+ rim which surrounds contact areas, each contact area defined by a metallized portion surrounded by a p+ semiconductor material, which p+ semiconductor materials or fingers are coupled to an active sensor array....
07/22/2003
6581468Independent-excitation cross-coupled differential-pressure transducer
The present invention provides a differential-pressure transducer having two sensors cross-coupled and independently excited. A first Wheatstone Bridge pressure sensor has a first sensitivity and is excited by a first voltage. A second Wheatstone Bridge p...
06/24/2003
6474172Method for measuring the gas pressure in a container, and devices for its application
Two resistance elements (3, 6) are used for eliminating the influence of wall temperature on the gas pressure in a vessel, determined by a Pirani manometer. The first resistance element (3) is present in a first branch of a Wheatstone bridge (1), and the ...
11/05/2002
6431004Pressure sensitive sensor terminal processing method
Support members are provided on the terminal portions of a sensor main body. In this state, a seal portion is formed by molding, and the seal portion seals the terminal portions of the sensor main body. During molding, external pressure acts on a housing....
08/13/2002
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