Example systems and methods for a driver detection steering wheel are disclosed. An example disclosed vehicle includes a steering wheel, a driver, a detector, and an enabling module. The example steering wheel includes a plurality of capacitive sensors. The example driver is to change voltage levels on the plurality of capacitive sensors. The example detector is to measure time delays corresponding to the plurality of capacitive sensors, and determine a number of hands on the steering wheel based on the time delays. The example enabling module is to, in response to the detector detecting two hands on the steering wheel, grant access to an infotainment system.

A capacitive sensor to determine instantaneous angular position of a rotatable element in a timepiece, such as a setting stem of a wristwatch. Static electrodes are configured to form, in conjunction with rotor electrodes of the rotatable element, a first differential capacitance pair and a second differential capacitance pair. A sensor calculation unit is configured to sense difference values from the differential capacitances pairs and to evaluate the angular position of the rotatable element from the difference values using predetermined information relating the differential capacitance values to angular position values.

An occupant detection apparatus includes: a sensor electrode; a conductor portion facing the sensor electrode; a moving object that moves by input of a seat load loaded on a seat and changes an electrostatic capacitance between the sensor electrode and the conductor portion; and a signal output unit that outputs a sensor signal based on the electrostatic capacitance.

A capacitance type rotation angle detection stage light includes a pivoting member and a supporting member for supporting the pivoting member. A reflecting grating is attached on the pivoting member, and the reflecting grating rotates along with the pivoting member. A signal grating is attached on the supporting member. The signal grating and the reflecting grating are arranged oppositely. The signal grating comprises capacitance emitting pieces, a capacitance receiving piece and shielding pieces. The reflecting grating comprises capacitance reflecting pieces that reflect signals sent from the capacitance emitting pieces to the capacitance receiving piece. Periodic excitation signals applied to the capacitance emitting pieces finally form a composite signal on the capacitance receiving piece through coupling of two pairs of capacitors that the capacitance emitting pieces and the capacitance reflecting pieces, and the capacitance reflecting pieces and the capacitance receiving piece.

One embodiment includes and I/O bus including a signal line coupled to a signal source and multiple line switches, each line switch to couple a corresponding I/O port to the signal line. Switch logic coupled to the I/O bus may programmatically switch the multiple line switches to couple at least one of the signal source and measurement circuitry to the respective I/O port.

A system is disclosed, comprising a base and at least a first moveable entity, the first moveable entity being moveable with respect to the base and positionable in at least a first position with respect to the base. The base comprises a first base electrode and a second base electrode, and the moveable entity comprises a first moveable entity electrode and a second moveable entity electrode. The electrodes are arranged such that when the moveable entity is in the first position the first base electrode and the first moveable entity electrode align to form a first capacitor and the second base electrode and second moveable entity electrode align to form a second capacitor. The first moveable entity further comprises a first resistor connecting the first moveable entity electrode to the second moveable entity electrode, and the base further comprises: signal supply means arranged to supply a time-varying electrical signal to the first base electrode; and signal detection means arranged to detect an electrical signal from the second base electrode.

Disclosed is a sensor assembly comprising: a first mounting device for mounting the sensor assembly to a first fixation part; a second mounting device for mounting the sensor assembly to a second fixation part, the second fixation part being displaceable relative to the first fixation part; and a sensor device arranged in a sensor cavity for provision of a sensor signal, the sensor device comprising a first attachment part attached to the first mounting device, a second attachment part attached to the second mounting device, and a sensing part, the sensing part being arranged between the first attachment part and the second attachment part.

Disclosed is a sensor assembly comprising: a first mounting device for mounting the sensor assembly to a first fixation part; a second mounting device for mounting the sensor assembly to a second fixation part, the second fixation part being displaceable relative to the first fixation part; and a sensor device arranged in a sensor cavity for provision of a sensor signal, the sensor device comprising a first attachment part attached to the first mounting device, a second attachment part attached to the second mounting device, and a sensing part, the sensing part being arranged between the first attachment part and the second attachment part.

A vehicle steering wheel is provided that includes a rotatable rim comprising a core structure, a steering angle sensor sensing an angle of rotation of the rim, and a plurality of proximity sensors located on the rim and spaced apart from one another along an arc length. The vehicle steering wheel also includes a controller processing sensed outputs generated by each of the plurality of proximity sensors and determining operator input commands based on the sensed outputs. The controller assigns a function to each of the proximity sensors that changes as the rim is rotated at an angle such that a given function associated with a proximity sensor remains at the same position in space.

A physical quantity sensor includes a substrate, a fixation section and a wiring line provided to the substrate, a contact section adapted to electrically connect the fixation section and the wiring line to each other, and a movable electrode electrically connected to the wiring line via the fixation section. The contact section is disposed in the fixation section in a second area outside a first area obtained by imaginarily extending a fixed support area in a displacement direction of the movable electrode in a plan view. The fixed support area is sandwiched by edge portions of an area where the movable electrode and the fixation section are connected to each other.