G01D5/2417

Contact determination processing apparatus
10232858 · 2019-03-19 · ·

A contact determination processing apparatus includes a contact sensor disposed in a steering wheel of and inside a vehicle. The contact sensor has an output that depends on a contact or non-contact state between the steering wheel and an occupant in the vehicle. The apparatus further includes a contact determination ECU that detects the contact state when the output of the contact sensor is greater than or equal to a predetermined threshold, and detects the non-contact state when the output is less than the predetermined threshold. In addition, the apparatus includes a temperature detection module that detects the ambient temperature of the steering wheel. The contact determination ECU includes a threshold changing section that changes the threshold based on a detection result of the temperature detection module.

Input device with a two-part force sensor for actuation inputs and method for the production thereof
10236881 · 2019-03-19 · ·

An input device includes a first component with an actuating layer and a first electrode arranged adjacent thereto, a second component with a carrier and a second electrode, and a device which electrically contacts the first and second electrodes. The first and second electrodes face each other with an air gap therebetween. The first electrode, under an influence of an actuating force acting on the actuating surface undergoes, upon an actuation, a displacement so as to move the first electrode closer to the second electrode against an elastic restoring force. A detection and evaluation device applies a measuring capacitance to the first and second electrodes and detects a change in the measuring capacitance dependent on the displacement moving the first and second electrodes closer to each other in order to associate the actuation with a switching or controlling function after detecting a predetermined change in the measuring capacitance.

HEART RATE DETECTION DEVICE AND RELATED SYSTEMS AND METHODS

Some embodiments can include a device for detecting heart rate. In a number of embodiments, the device can comprise at least one capacitive displacement sensor coupled to a strap. In many embodiments, the at least one capacitive displacement sensor can comprise two electrodes. In some embodiments, the two electrodes can comprise an outer transmitting electrode and an inner receiving electrode. In various embodiments, the at least one capacitive displacement sensor can detect a pulse by producing a signal associated with a distance change between a skin of a wearer of the device and the at least one capacitive displacement sensor. Other embodiments of related apparatuses, methods and systems are also provided.

Sensor device and stretchable structure

A sensor device includes a sensor element, a converter, and an output unit. The sensor element includes a sheet-like dielectric layer including an elastomer composition and a top electrode layer and a bottom electrode layer each including an electroconductive composition containing carbon nanotubes. The top and the bottom electrode layers are formed on a top surface and a bottom surface of the dielectric layer, respectively, and are at least partially opposed to each other across the dielectric layer. The at least partially opposed portions of the top and the bottom electrode layers constitute a detection portion, and the dielectric layer reversibly deforms to change an area of a main surface of the dielectric layer. The converter electrically is connected to the sensor element and converts capacitance at the detection portion that varies in accordance with the deformation of the dielectric layer to electric characteristics.

TIMEPIECE MOVEMENT COMPRISING A DEVICE FOR DETECTING AN ANGULAR POSITION OF A WHEEL
20190041239 · 2019-02-07 · ·

The invention relates to a timepiece movement comprising: an analogue display, comprising a rotary indicator and a wheel secured in rotation to said rotary indicator, said wheel comprising a roller including a location element, a device for detecting at least one angular position of the location element, comprising a plate fixed relative to the roller, extending substantially parallel to the roller, and on which are arranged a first electrode, a second electrode and a common electrode positioned between the first electrode and the second electrode the electrodes being planar and being arranged in such a way that, in an angular position of the wheel, the location element is located above at least a portion of each electrode, the first electrode and the second electrode having the form of two segments of a ring centred on the intersection between the axis of the wheel and the plate.

MEMS pressure sensor with multiple membrane electrodes
10183857 · 2019-01-22 · ·

In one embodiment, a MEMS sensor includes a first fixed electrode in a first layer, a cavity defined above the first fixed electrode, a membrane extending over the cavity, a first movable electrode defined in the membrane and located substantially directly above the first fixed electrode, and a second movable electrode defined at least partially within the membrane and located at least partially directly above the cavity.

OCCUPANT DETECTION SYSTEM
20190018163 · 2019-01-17 · ·

A capacitive detection system including an upper electrode printed on an upper film layer and a lower electrode printed on a lower film layer. The system includes a plurality of nodes of dielectric material printed in a spaced apart pattern on the lower film layer. The upper film layer is positioned over the lower film layer so that when a downward force is applied to the upper film layer the distance between at least a portion of the upper conductor and the lower conductor decreases. The system includes a controller operatively connected to the upper and lower electrodes. The controller includes a sensing circuit or processor configured to detect the presence of the occupant using a measure of the capacitance between the upper and lower electrode.

ELECTRONIC DEVICE
20240276763 · 2024-08-15 · ·

The present disclosures provides an electronic device that includes a substrate, a plurality of light emitting units disposed on the substrate, a first conductive layer disposed on the plurality of light emitting units, and an anti-reflection layer disposed on the first conductive layer and overlapped with the plurality of light emitting units. The first conductive layer includes a plurality of first openings. In a top view of the electronic device, at least a portion of the plurality of first openings expose at least a portion of the plurality of light emitting units respectively.

Apparatus and method of producing a sensing substrate

An occupant or object sensing system in a vehicle includes electrical circuits for resistive and/or capacitive sensing and corresponding circuits shielding the sensing system from interference. A sensing circuit and a shielding circuit may be printed by screen printing with conductive ink on opposite sides of a non-conductive substrate. The substrate is a plastic film or other fabric that has an elastic memory structure that is resilient to stretching. The conductive inks used to print circuits onto the substrate have a similar resilience to stretching such that the substrate and the circuits thereon can be subject to deforming forces without breaking the printed circuits. The substrate may be covered with a carbon polymer layer to provide alternative conductive paths that enable fast recovery for conduction in the presence of any break in the printed conductive traces on the substrate.

ENVIRONMENTAL SENSOR AND MANUFACTURING METHOD THEREOF
20180356255 · 2018-12-13 ·

An environmental sensor and manufacturing method thereof. The environmental sensor comprises: a substrate comprising at least one recess disposed at an upper portion of the substrate; and a sensitive film layer disposed above the substrate, comprising a fixed portion fixed on an end surface of the substrate and a bent portion configured to extend inside the recess. The bent portion and a side wall of the recess form a capacitor configured to detect a signal. The bent portion, fixed portion, and the recess form a closed cavity. A conventional capacitive structure configured on a substrate surface is changed to a capacitive structure of the environmental sensor vertically extending into the inside of the substrate, increasing a depth of the recess, and in turn, increasing a sensing area between two polar plates of the capacitor, significantly shrinking a coverage area of the capacitor on the substrate, and satisfying a requirement of a modern compact electronic component.