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7576546 Electric potential measuring device and image forming apparatus  
An electric potential measuring device comprises a detection electrode of a conductive material disposed in opposition to an object and a movable structure comprised of a first solid material...
7554331 Electric potential measuring device and image forming apparatus  
An electric potential measuring device has a detection electrode of a conductive material disposed in opposition to an object and a movable structure including a first solid material portion of a...
7548073 Capacitive sensing apparatus designs  
One type of capacitive sensing apparatus has a sensing element that includes a first portion and a second portion adjacent opposite edges of a sensing region. Signals from the first and second...
7545289 Capacitive sensing using a repeated pattern of sensing elements  
A repeated pattern of sensing elements can be used to indicate an unambiguous position along an axis in a sensing region. For example, different-sized sensing elements can be arranged in a...
7492167 Method and device for monitoring and controlling fluid locomotion  
A device for monitoring dripping of a fluid from a fluid channel, the device comprises a capacitor, being formed on or integrated with the fluid channel, and electrical contacts, connecting the...
7443174 Electric field reciprocal displacement sensors  
“Electrical field (“E-field”) sensor systems that sense displacement or change in displacement of one body relative to another.” In general, the bodies 110, 112 are within an electrical...
7434463 Electrostatic-capacity-type acceleration sensor and acceleration measuring device therewith  
A moving member having a plurality of moving electrodes is supported by support members at both ends thereof on a substrate surface in such a way that it can be subjected to displacement in a...
7391223 Insulation barrier for unshielded wire  
A sensor assembly has a plurality of sensing elements configured to be positioned within a seat of a vehicle. Each of the sensing elements include an output signal indicating the presence or...
7382139 One layer capacitive sensing apparatus having varying width sensing elements  
One embodiment in accordance with the invention includes a two-dimensional capacitive sensor apparatus. The two-dimensional capacitive sensor can include a first sensing element having varying...
7368053 Membrane zeta potential measuring system  
The present invention discloses a membrane zeta potential measuring system which comprises a first measuring course and a second measuring course. The provided system calculates the zeta potential...
7321311 Steering handle for motor vehicles and method for recording a physical parameter on a steering handle  
Steering handle, in particular steering wheel, for motor vehicles, on which means are provided for recognition of a contact between at least one hand of the vehicle driver and the steering handle...
7301348 Electrostatic encoder  
An electrostatic encoder comprising receiving coupling electrodes formed on a scale, and extending in a predetermined direction, transmitting coupling electrodes provided on a sensor head, and...
7292051 Electrostatic capacitance sensor and flap type handle having electrostatic capacitance sensor  
A flap type handle equipped with an electrostatic capacitance sensor, in which sensitivity adjustment can be easily performed without changing the specification of a sensor body 3 , reduces the...
7287174 Input device with reduced dead band of an analog output signal  
An input device includes contacts having resistive elements and low-resistance elements opposing the respective resistive elements, an operating unit varying the contact areas between the...
7277004 Bi-directional deflectable resistor  
A system and method for a bi-directional deflectable resistor. The bi-directional deflectable resistor has a first layer of conductive material on a top surface of a substrate and a second layer of...
7212007 Electric potential sensor, and image forming apparatus  
Disclosed in a non-contacting electric potential sensor capable of being readily reduced in its size, which includes a detecting electrode, an electrically-conductive movable shutter, and a driving...
7199727 Electrostatic encoder and electrostatic displacement measuring method  
An electrostatic encoder comprises a movable element having electrodes and a stator having induction electrodes and potential detection electrodes. The electrostatic encoder further comprises a...
7187184 Prevention of robot damage via capacitive sensor assembly  
A capacitive sensor assembly for a robot to prevent damage to the robot when it moves in an undesired manner is disclosed. The robot may be used in conjunction with semiconductor fabrication...
7138807 Capacitive sensing techniques that include determing rotational position of one electrode relative to other electrodes separated by an electrically nonconductive gap  
One embodiment of the present invention comprises a sensor with a face having several tracks spaced apart from one another. One of these tracks has a first electrode and a second electrode...
7138806 Position detection  
The invention relates to a device for detecting the position of a rotor relative to a stator, wherein at least one electrode is arranged on the rotor and at least one electrode is arranged on the...
7078915 Angular position sensor for rotating components such as steering columns  
A semi-circular dielectric rotor is attached to a steering column for rotation with the steering column. Straddling the rotor but not contacting it are an excitation electrode member which...
7047797 Method for detecting wear in a brake or a clutch  
The invention relates to a method for detecting wear in a frictionally locking clutch ( 50 ) or a frictionally locking brake ( 2, 40 ), the clutch ( 50 ) or the brake ( 2, 40 ) having at least one...
7049828 Capacitive sensor for determining linear or angular position  
A capacitive sensor includes an electrode member with two spaced-apart electrodes and an air gap therebetween. A position reference plate, which can be straight for sensing linear position or...
6930487 Method for electronic damping of electrostatic positioners  
Electronic damping may be provided to an electrostatic positioner by developing a signal proportional to the velocity of the movable positioner plate and then changing the voltage applied to the...
6922063 Apparatus and method for capacitive level sensor  
A capacitive sensor including a pendulum for electronically determining an indication of angular offset and a capacitive leveling device having such a capacitive sensor for leveling an associated...
6897660 Position sensor based on measuring capacitance  
The armature of a position sensor has one or more electric current conductors adapted to be moved into and out of a gap between two capacitor electrodes. The capacitance between the capacitor...
6876209 Capacitive angular position sensor  
A sensor assembly for sensing angular position of one object relative to another object. A capacitor is formed between a transmitter capacitor plate having a pair of transmitter electrodes and a...
6867602 Methods and systems for capacitive balancing of relative humidity sensors having integrated signal conditioning  
Methods of and systems for balancing the capacitance of a common series capacitive circuit in a semiconductor-based sensor, such as a humidity sensor, are described. Relative humidity sensors can...
6861848 Capacitance position sensor and position controller equipped with the sensor  
A capacitance position sensor includes a pair of opposed tabular electrodes, an LC oscillator circuit having a toroidal core winding and whose oscillating frequency varies with change in...
6828800 Single-molecule detector  
A detector, for determining presence, number, length concentration, position and/or motion of at least one particle present in a fluid and having a dielectric coefficient other than a dielectric...
6747462 Method and system for determining position of a body  
A method for determining the position of a rotor with respect to a stator. The method includes generating offset N and Q signals when the rotor moves with respect to the stator and sampling the N...
6700393 Capacitive sensor assembly for use in a non-contact obstacle detection system  
A capacitive sensor assembly is disclosed. In an exemplary embodiment, the assembly includes a capacitive strip having an elongated body for flexible mounting to a panel along a bottom surface of...
6593757 Capacitance type displacement detection apparatus  
A transmission electrode 10 and a detection electrode 12 are placed in an electrode section of a sensor and are capacity-coupled with a reception electrode placed on an opposed scale. Capacity...
6556024 Capacitance type load sensor  
A capacitance type load sensor is provided with outer and inner tubes made of plastic and formed into a hollow circular cylinder shape and outer and inner electrodes respectively attached to the...
6483321 Capacitive angular displacement and angular rate sensor and measurement device for such transducer  
The capacitive angular displacement transducer includes a first stator ( 2 ) comprising a plurality of electrically conductive; circular ring-shaped electrodes ( 5 1 ) which are electrically...
6480183 Digital joystick using capacitive sensor  
A joystick that detects position and movement using a capacitive sensor. The joystick has a stick mounted to allow movement within a housing, a conductive element at a first end of the stick, and a...
6448792 Sensor for edge position of electro-conductive material  
The edge portion of an electro-conductive material inserted between a pair of the transmitting electrodes of triangular plate disposed flatly in opposite directions each other and the receiving...
6411107 Capacitance type sensor  
This invention includes a first electrode ( 10 a, 10 b, 10 c, 30 ) and a second electrode ( 20 a, 20 b, 20 c, 20 d) which are arranged to face each other so as not to come into contact with...
6407557 Process for measuring the electrical resistance of a resistive body for example for checking the conformity of a liquid product and devices for carrying out such a process  
Measuring the electrical resistance of a resistive body, in particular a reservoir containing a printing product such as ink. According to the invention, the resistive body is used to define a...
6346818 Capacitance position transducer  
A non-contacting capacitive position transducer comprises a stator substrate carrying two electrically conducting inverted wedge regions 14,16 whose width varies inversely in a sensing direction....
6316948 Charge balance network with floating ground capacitive sensing  
A capacitance measurement system amenable to implementation on an integrated circuit includes a switching network, a voltage driving element, a sensor network, and a feedback network. The sensor...
6304091 Absolute position sensing by phase shift detection using a variable capacitor  
A low-cost, high-resolution capacitive position sensor is provided using a variable capacitor. A vane moves parallel to a stator, where a dielectric is interposed between vane and stator, such that...
6247363 Method and device for determining a quantity of consumable product present in a reservoir and a document printing device implementing this method  
Determination of the quantity of consumable product present in a reservoir, for example the quantity of ink present in the reservoir of an inkjet printing device. According to the invention, the...
6218632 Capacitive weight sensor  
The present invention is directed to a weight sensing apparatus (10) for a vehicle seat (22). The weight sensing apparatus (10) includes a differential capacitor (150) including a first capacitor...
6177800 Method and apparatus for using shuttered windows in a micro-electro-mechanical system  
A windowed shutter on a micro-electro-mechanical system improves output current of a non-contacting electrostatic voltmeter. The output current is increased by increasing the area modulated by the...
6133743 Method and device for determining the respective geometrical position of a body by capactive sensing  
For determining the respective geometrical position, the displacement or angle of a body by capacitive sensing, a supply voltage applied to a voltage-distribution element is switched, and/or...
6118283 Capacitive rotary position sensor  
A capacitive rotary position sensor is provided. The rotary positions sensor includes a housing, a stator, and a rotor. The stator is formed of a disc shaped piece of insulating material including...
6072318 Capacitive device for measuring dimension  
Double-emitting and multiple-receiving capacitive measuring device: it comprises a scale equipped with an array of electrodes and a transducer, which moves parallel to and opposite the scale and is...
6057692 Measuring arrangement for determining the lift of a valve member  
In a measuring arrangement for determining the lift of a valve including a cylindrical valve stem member arranged in overlapping telescopic relationship with a stationary cylindrical member so as...
5896032 Position detection device positioning device and moving medium-type memory device  
A small position detection and positioning device detects relative displacement between two members with high precision. A moving medium-type memory device using such positioning device is also...
Matches 1 - 50 out of 189 1 2 3 4 >