U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Did You Know...

...In 1790, the cost to obtain a patent was between $4 and $5.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 73/862.625 - Using a specific type of electrical sensor


Subclass of Class 73 - Measuring and testing
Definition: Subject matter wherein the sensing means is responsive to
No. of patents: 82
Last issue date: 11/09/2010


1      
NumberTitleIssue Date
7827872Apparatus for guiding a strip
The invention relates to an apparatus and a method for guiding a strip, in particular a metal strip. Known apparatuses of this type have a carrier device (110) on which bearing blocks (120) arm fastened. Rollers (130) are rotatably mounted in th...
11/09/2010
7823467Tactile sensors
An electroactive polymer is used to produce a tactile sensor. The electroactive polymer (EAP) includes a sheet of an ion-exchange membrane having opposite surfaces on which are plated gold electrodes. The EAP is formed to have a dome-shape with a plurality of sensin...
11/02/2010
7770472Device for detecting amount of pedal operation
In a pedal operation amount detecting apparatus, a brake pedal and a clevis secured at an end portion of an operating rod are pivotably connected by a connecting shaft, a bush is arranged between the brake pedal and the connecting shaft, detectors are attached on an...
08/10/2010
7752926Pressure detection and measurement sensor incorporating at least one resistive force-detector cell
The present disclosure relates to a pressure sensor, in particular for detecting and measuring at least one bearing pressure applied to a support device, in which said pressure sensor comprises at least one resistive force-detector cell placed between at least two p...
07/13/2010
7434482Feedback-controlled piezoelectric force measuring apparatus
A feedback-controlled force measuring apparatus with a force input element, a piezoelectric force generating element and a precision motion detection element in a feedback-controlled loop. Two embodiments are described. In one the force-generating element is a suppo...
10/14/2008
7404338Force sensor
The resolution and the signal-to-noise ration of known force sensors as e.g. capacitive force sensors decrease when scaling them down. To solve this problem there is a solution presented by the usage of a nanostructure as e.g. a carbon nanotube, which is mechanicall...
07/29/2008
7367242Active sensor for micro force measurement
An active micro-force sensor is provided for use on a micromanipulation device. The active micro-force sensor includes a cantilever structure having an actuator layer of piezoelectric material and a sensing layer of piezoelectric material bonded together. When an ex...
05/06/2008
7343814Multi-zone capacitive force sensing device and methods
A multi-zone capacitive force sensing apparatus/method is disclosed. In one embodiment, an apparatus includes one or more capacitors each having an upper conductive surface and a lower conductive surface substantially parallel to the upper conductive surface, a hous...
03/18/2008
7290323Method for manufacturing sensing devices to image textured surfaces
A fingerprint-sensing device with a sensor array that does not use active switching elements is fabricated on a base. Sensor support integrated circuits, which contain processing and addressing circuitry, are separately fabricated and subsequently mounted on the bas...
11/06/2007
7275434Micromechanical component
In order to implement two different sensitivities simultaneously in one component, in particular in an acceleration sensor having a substrate, at least one spring device, and at least one seismic mass, it is proposed that the spring device be designed for an intrins...
10/02/2007
7258028Load measuring transducer including elastic structure and gauge using induced voltage, and load measuring system using the same
The present invention relates to a load measuring transducer including gauges and elastic structure and weighing system for measuring weight applied to a structure. The load measuring transducer of the present invention comprises a stationary gauge which is construc...
08/21/2007
7250847Portable surface member for conducting exercises of individuals
The concept herein is focused on a portable structure, generally in the form of a portable mat or other similar member, that can be moved or transported from place to place to be used in a temporary manner and placed on the ground for use in the process of facilitat...
07/31/2007
7243558Bonding of strain gauges to the deformable body of a force-measuring cell
In a force-measuring cell with a deformable body and with at least one strain gauge which has a strain-sensitive electrical resistor track arranged on a polymer carrier substrate, the strain gauge is bonded to the deformable body by an adhesive layer of an inorganic...
07/17/2007
7237442Seat weight measuring apparatus
A seat weight measuring device reduces the temperature difference generated between the resistances of measuring gauges, even when a sudden ambient temperature change occurs. Heat due to ambient temperature is transferred through a column. As a washer interposed bet...
07/03/2007
7216554Physical quantity sensor having enhanced temperature compensation capability
A physical quantity sensor according to the invention includes a first member, a second member, a sensing member, a temperature detector, a correcting circuit, and a heat conduction path thermally connecting the sensing member and the temperature detector. The sensi...
05/15/2007
7202425Under-pillow-block load cell
An under-pillow bearing (UPB) load cell for controlling tension in the winding process for a continuous web of material. The load cell has a deflection and sensor assembly that is quickly and easily removable from the load cell for maintenance and repair. The deflec...
04/10/2007
7194923Strain detector and pressure sensor
A thin-film resistor (5) provided on a strain-generating part (2) via an insulating film (4) and an electrode thin-film (6) including an electrode pad (10) arranged in the thin-film resistor (5) are provided. The thin-film r...
03/27/2007
7193611Computer cursor pointing device with electric stimulator
A computer cursor pointing device with an electric stimulator is disclosed, including a casing, a first electrode which is mounted at the top surface of the casing, a second electrode which is also mounted at the top surface of the casing and is close to and insulat...
03/20/2007
7146855Checking and measuring system for human body
A checking and measuring system includes a checking and measuring mechanism, and a strength measuring element; the checking and measuring mechanism includes a rail, a moving rod positioned within the rail, a rotating power source connected to the moving rod, a slidi...
12/12/2006
7134327Pedaling force sensor and pedaling force detection device using the sensor
A force-on-pedal sensor of the present invention includes a cylindrical substrate (11) whose one end is closed having: a hole part (11d) at a center of its side section (11c); and a strain resistance element (13) via an insu...
11/14/2006
7089813Mass sensor and mass sensing method
A mass sensor in which a connection plate and a diaphragm are joined together at their respective sides; a sensing plate is joined to the connection plate at their respective sides in the direction perpendicular to the direction where the diaphragm is joined to the ...
08/15/2006
7073391Force sensor
A force sensor, in particular for detecting the forces on a vehicle seat, includes a force measurement cell (1) that has a Hall element. The force measurement cell (1) includes at least one bending bar (2, 3), which from the exertion of force to...
07/11/2006
7069778Fixture for testing spring squareness under a load
A fixture and technique for testing a coil spring selected from a supply of springs. Each spring has an unstressed generally helical configuration and the test determines an excess departure from the helical configuration of a spring under a compressive load. The fi...
07/04/2006
6969809Vehicle seat weight sensor
A seat weight sensor for detecting the weight of a seat occupant. The weight sensor has a case mounted between a seat pan and a seat member. One or more strain gauge resistors are mounted in the case. The resistors generate an electrical signal in response to the ca...
11/29/2005
6961676Apparatus for supporting maintenance check of a sensor
An apparatus for supporting maintenance check of a sensor to maintain sensing accuracy, the sensor 10 generating a changeable weight signal in accordance with a load imposed on a vehicle, includes judging means 30a2 for judging whether or...
11/01/2005
6955098Force sensor with two force input elements
A force sensor with two force input elements to which a force to be measured and a support force are applied. The two force input elements are substantially rotationally symmetrical and are axially spaced apart, and the force to be measured and the support force are...
10/18/2005
6378384Force sensing transducer and apparatus
A transducer which enables the force experienced by a simple force sensor to be converted into an electrical signal which is then capable of being used as a measure of the degree of force experienced by an object to which the sensor is attached. Preferabl...
04/30/2002
6053051Compressive force detecting sensor
It is possible to detect the compressive force being applied by means of the conventional compressive force detecting sensor. However, the time length and the magnitude of the compressive force fail to be detected and it is impossible to know the extent o...
04/25/2000
6031463Load signaling device for a patient's foot
A device for providing an acoustic signal to a patient when a predetermined load is placed on the patient's foot comprises a fluid filled control ms with a first bladder underlying the patient's foot and a second bladder as interconnected via a flexible...
02/29/2000
5991676Seat occupant sensing system
A seat occupant sensing system has a plurality of variable resistance force sensors located between a rigid seat support member and the floor of the vehicle. The force transferred from the rigid seat support member to the floor of the vehicle passes throu...
11/23/1999
5911157Tunnel effect sensor
The tunnel effect acceleration sensor has a mass part (4) movable at springs (5) fashioned in a sensor layer (1), particularly a monocrystalline silicon layer of an SOI substrate. A tunnel electrode (6) and a cooperating electrode (7) are arranged lying o...
06/08/1999
5824917Force measuring device
A force measuring device for measuring forces between mutually parallel machine parts, preferably in force bypass. The device has two mutually parallel abutment faces (5,6) having an adjustable distance between them. A force sensor (18) is integrated in a...
10/20/1998
5808904Continuous duty tie rod press strain monitor
An apparatus (20) for press operation data acquisition comprises a tie rod (45a) for bearing a load during a press cycle. The rod (45a) has a load bearing portion (76) and a non-load bearing portion (78). An elongated, axially extending bore (75) is forme...
09/15/1998
5777239Piezoelectric pressure/force transducer
A pressure/force transducer having a sensor body with a load-receiving member at one end, a load button positioned within the sensor body and having a curved surface in surface-to-surface continuous contact with the load-receiving member, a piezoelectric ...
07/07/1998
5681998Load measuring device for a vehicle
A vehicle load measuring device comprises a slide plate mounted on the upper surface of an axle case, a load of the vehicle applied through a leaf spring onto the slide plate, the slide plate including a setting portion at an inner surface; and a sensing ...
10/28/1997
5629488Force sensor and method of making same
A force sensor and method for making same. A pair of backing sheets having confronting surfaces are substantially covered with conductive ink to form a pair of conductive layers. At least one of the conductive layers is coated with a semiconductive ink. T...
05/13/1997
5608173Force measuring apparatus having electrically-insulated load bearing surfaces
An electrical insulator having high mechanical strength is disclosed for use in connection with a force sensor body portion of a weld probe force gage. The force sensing body includes a pair of pockets for receiving a corresponding pair of welding electro...
03/04/1997
5600074Silicon chip for use in a force-detection sensor
A force sensor employing a silicon chip having a force application area on a top surface and attached to a support at a bottom surface. Piezoresistive elements are arranged on the silicon chip in areas of high mechanical tension and produce signals. Circu...
02/04/1997
5568259Elongation measuring method and laser noncontact extensometer
The present invention is arranged such that: laser light is irradiated onto the surface of a specimen over a predetermined length thereof in the direction of elongation to be measured; that scattering light of the laser light reflected from the specimen s...
10/22/1996
5563355Force sensor
A force sensing device providing an output signal indicative of applied force includes a compressible spring, preferably a Belleville type spring, inserted between a force application lever and a reaction force member and the spring is compressed when a f...
10/08/1996
1      
 
Sign InRegister
Username  
Password   
forgot password?