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7598881 |
Sensor and circuit configuration for occupant detection
In occupant detection systems, direct connections, such as fixed or permanent connections, are provided between the antenna and measurement circuit and between the measurement circuit and wiring...
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7575085 |
Capacitance-based sensor and occupant sensing system
An occupant sensing electrode is embedded in a seat. An empty seat capacitance reducing electrode is placed between the occupant sensing electrode and a seat frame of the seat in an opposed...
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7548809 |
Apparatus for controlling and sensing moisture on a movable closure member, more particularly an electrically powered automotive window pane
An apparatus for controlling and sensing a closure member ( 20 ) movable between an open position and a closed position, more particularly an electrically powered window pane ( 20 ) of a motor...
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7545270 |
Capacitive proximity sensor with user
A sensing system for sensing the proximity of a part of a user to a control input, such as a control panel ( 14 ), for a vehicle subsystem ( 10 ), includes a transmitter ( 26 ) for transmitting a...
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7538672 |
Method and apparatus for capacitive sensing of door position
An apparatus has a sensor with an electrically conductive ground member, electrically conductive first and second parts spaced from and proximate to each other and the ground member, and an...
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7486081 |
Apparatus and method for monitoring and controlling detection of stray voltage anomalies
A mobile apparatus for monitoring an electric field in a patrolled area, comprising at least one detection device for measuring electric field signals, at least one camera device for collecting...
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7453364 |
Safety device system
The invention relates to a safety device system, comprising a wearable alarm device fastenable to the wrist or elsewhere in the body or an instrument measuring physiological signals or a...
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7436299 |
Vehicle occupant detection using relative impedance measurements
A passenger detection system is provided. A sensor measures capacitance, electric field effects or other characteristic responsive to a load in a seating area. The sensor uses one or more...
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7397372 |
Method and apparatus for marketing retail goods
Merchandising and marketing data collection systems ( 100, 400, 500, 700, 1200, 1300, 1400, 1500 ) collect data on shopper's ( 816 ) interaction with merchandise samples ( 106, 414, 1212, 1400,...
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7394368 |
Electronic proximity switch
An electronic proximity switch employs two oscillators coupled through two electrical paths, one associated with an antenna serving as a proximity switch sensor. Absorption by an object near the...
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7362225 |
Flexible occupant sensor and method of use
Flexible circuit material is used for positioning one or more antennas for occupant detection within a seat. The antenna and associated signal traces to an occupant detection circuit may be more...
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7317392 |
Apparatus for occupant detection
An apparatus for occupant detection in a vehicle, including a dielectric substrate with a reference plane, and a plurality of electrodes forming a capacitive array on said dielectric substrate and...
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7317391 |
Safety alert device
A danger warning system includes a central station and modules connected via at least one series connection. A mechanism in the central stations determines the distance between the central station...
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7315254 |
Proximity detector for night vision goggles shut-off
A night vision device is disclosed. The device includes a housing that houses an intensifier tube and a proximity sensor mounted on the housing. An ON/OFF switch is operatively coupled to the...
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7298261 |
Proximity sensor
An operation section 2 is provided to a proximity sensor including: a detection section having an oscillation circuit 10; and an amplification section 2 having a function detecting a metal...
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7295019 |
Security scanners with capacitance and magnetic sensor arrays
Security scanning devices based on electrical tomography, including tomography systems based on the measurement of capacitance (ECT) and electromagnetic tomography (EMT), in combination with...
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7271730 |
Occupant determination apparatus and occupant determination method
An occupant determination apparatus and an occupant determination method accurately determine a size of an occupant, with a simple configuration where a plurality of electrodes are arranged on one...
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7193522 |
Apparatus and circuit for use with capacitive presence detection systems
A capacitance presence sensing apparatus ( 10 ) having a fail-safe circuit ( 13 ) and modular units ( 100 ). The fail-safe circuit ( 13 ) includes delivering a low voltage (FIG. 5 ) to a sensor...
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7191044 |
Judgment lock for occupant detection air bag control
Systems and methods for controlling the sensing of an occupant in a seating area are provided. The occupant is characterized as one of an adult, child or other category. One characterization change...
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7187282 |
Digital capacitive sensing device for security and safety applications
A capacitive sensing system senses the presence of an object proximate to an antenna using a sensing field signal having a sensing field frequency. The capacitive sensing system can be used in...
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7167093 |
Method of steering capacitor fields for use in capacitive sensing security systems
The present invention provides a capacitive sensing apparatus having utility in object detection security applications whereby the object detection field generated by the apparatus is made...
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7154393 |
Object detection sensor
An object detection sensor wherein a detection electrode (electrode connected with a detection circuit via a conductor) is not exposed from a surface and an input signal is scarcely reduced when a...
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7109862 |
Method and device for detecting the contact of hands on a steering wheel
A method and a device are described for detecting the contact between hands and a steering wheel, which assures that the driver of a vehicle has his hands on the steering wheel.
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7106206 |
Capacitive occupant sensor for a vehicle seat
A capacitive occupant sensor for a seat has a dielectric in the form of a fluid-filled elastomeric bladder, and the sensor includes a primary region that is subjected to occupant force and a...
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7091823 |
Human body detecting device and door locking device
A human body detecting device includes a door handle provided on an outer panel, a first sensor electrode provided on the obverse side of the door handle, and a second sensor electrode provided on...
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7084763 |
Multiple sensor vehicle occupant detection for air bag deployment control
A passenger detection system is provided. The passenger detection system utilizes an oscillation circuit that causes an antenna electrode to emit an electric field that is disrupted by the...
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7046129 |
Device for detecting an obstacle in the opening range of a movable closure element
A device for detecting an obstacle in the opening range of a movable closure element ( 13 ), more particularly an electrically powered window pane ( 13 ) or sunroof of a motor vehicle ( 10 ),...
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7026940 |
Chair back monitoring device
A chair having a monitoring device disposed on the back support of the chair for detecting a change in position of a patient. The monitoring device indicates when the patient is no longer in...
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7025278 |
Method for preventing illegitimate use of chip cards
In order to detect attempted interventions in the vicinity of a smart card, a sensor hierarchy is used. Abnormal operating states are first detected by less sensitive sensors that are connected...
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6995670 |
Control system with capacitive detector
A capacitive sensor system for controlling operation of a device in response to a rate of change in capacitance due to motion of a proximate object includes at least two sense electrodes disposed...
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6977588 |
Automatic dispenser apparatus
The invention is directed to improved automatic dispenser apparatus for dispensing sheet material and the like without contact between a user and the dispenser. Proximity detection apparatus is...
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6937156 |
Method and apparatus for capacitively sensing pests
A method and apparatus for capacitively sensing one or more pests is disclosed. The detector may be employed as either a passive detector and/or as a part of a combined detector and trap. The...
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6936986 |
Device for sensing an obstacle in the opening range of a powered closure element for a motor vehicle
A device for sensing an obstacle in the opening range of a movable closure element of a motor vehicle, more particularly an electrically powered window pane or sunroof is defined. The device is...
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6922153 |
Safety detection and protection system for power tools
A detection system for detecting a dangerous condition for an operator using a power tool of the type which has an exposed blade relative to a work surface and a protection system for minimizing,...
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6920411 |
Method for configuring an operational characteristic of a proximity sensor
A proximity sensor has a resonant circuit which when stimulated by a pulse produces a signal with decaying oscillations. The number of such oscillations above a signal threshold varies in relation...
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6903654 |
Automatic dispenser apparatus
The invention is directed to improved automatic dispenser apparatus for dispensing sheet material and the like without contact between a user and the dispenser. Proximity detection apparatus is...
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6900728 |
System to detect user entry into a defined danger zone
A system and method for detecting user entry into a defined danger zone surrounding a saw blade includes a non-conducting member defining an opening therein for receiving a saw blade. The...
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6885365 |
Glass touch sensing circuit
A glass touch sensing circuit which is capable of accurately detecting a sense signal resulting from a user's touch under no influence of variations in temperature. The glass touch sensing circuit...
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6879250 |
For a motor vehicle, an outside element providing a capacitive sensor, and a piece of bodywork including such an outside element
The invention relates to an outside element for a motor vehicle, the element being designed to be fitted to the vehicle, e.g. on its bodywork, and comprising an essentially non-conductive...
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6859141 |
Electric field proximity detector for floating and grounded targets
An electric field proximity detector capable of detecting partially conductive or conductive objects regardless of their impedance to circuit ground. The detector has a sensor with a transmitting...
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6859140 |
Independently excited proximity or presence switch arrangement
The invention relates to a proximity or presence switch arrangement operating in accordance with the inductive principle, comprising at least one inductor integrated in an oscillating circuit and...
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6853307 |
High voltage proximity warning system and method
A high-voltage-proximity warning system has a local panel ( 1 ) for being positioned in or about a cab ( 2 ) of heavy equipment or other vehicle ( 5 ), a remote panel ( 3 ) in predetermined...
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6836212 |
Method and apparatus for reducing the likelihood of losing a portable electronic device
A loss prevention system (e.g., 200 ) employs a method and apparatus for reducing the likelihood of losing a portable electronic device ( 100, 201 ) that has been inadvertently removed from its...
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6825765 |
Occupant detection system
An occupant detection system comprises a weight sensor and an electric field sensor, each operatively coupled to a seat. The electric field sensor generates an electric field from at least one...
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6819242 |
Apparatus for use with capacitive presence detection systems
An apparatus is provided for use with capacitive presence detection systems. The apparatus includes a sensor ( 10 ) in the form of a tape which may be adhesively affixed to an object such as a...
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6804595 |
Controller for occupant restraint system
A vehicle occupant restraint system includes an airbag system and a seat belt harness with pretensioner and retractor mechanisms. Multiple sensors are mounted within the vehicle to measure and...
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6791460 |
Patient position detection apparatus for a bed
An apparatus for supporting a patient comprises a frame, a mattress supported by the frame, and a patient position detection system including an alarm and at least one sensor configured to detect a...
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6774789 |
Human body detector
In a human body detector, a wave-detection circuit for detecting waves of a resonance voltage is connected to a sensor resonance circuit that varies a constant frequency voltage in accordance with...
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6768420 |
Vehicle compartment occupancy detection system
A vehicle compartment occupancy detection system is operable to detect a presence of a person or animal within a vehicle compartment, such as a vehicle cabin or trunk space, by detecting a change...
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6696948 |
Wet seat protection for air bag control occupant detection
A passenger detection system is provided. The passenger detection system utilizes an oscillation circuit that causes an antenna electrode to emit an electric field that is disrupted by the...
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