A capacitor circuit includes: a capacitor array including a plurality of capacitors; a switch array including a plurality of switch circuits, the switch circuits being respectively connected to the capacitors of the capacitor array; a plurality of switch control signal lines supplied with a plurality of switch control signals; and a substrate having a major surface on which the switch circuits are formed. At least part of the capacitors of the capacitor array is formed of a first conductive layer. The switch control signal lines are formed of a second conductive layer provided between the major surface and the first conductive layer. The capacitor array and the switch array are disposed so as to overlap each other at least in part in a plan view when viewed in a normal direction of the major surface.

An electronic device, comprises: a base including a top surface and a bottom surface; a baseplate, a side edge of the baseplate is pivotally connected with the bottom surface, a moving member disposed in the base and configured to push against the baseplate; a linkage member disposed in the base and configured to push against the moving member; and a push member disposed in the base, the push member makes the baseplate moved via the linkage member and the moving member in sequence to make the baseplate selectively cover the bottom surface or detached from the bottom surface.

An opto-magnetic rotary position encoder includes a polarization optical encoder and a magnetic encoder, both configured for on-axis placement and operation with respect to a rotational axis of a rotating component. A polarization sensor digital control block and a magnetic sensor digital control block are configured and operative to combine polarizer channel position data and magnetic channel position data in a manner providing for one or more of (1) redundancy, (2) calibration, (3) monitoring performance of one channel in relation to the other channel, or (4) compensation or correction of one channel based on the other channel.

An opto-magnetic rotary position encoder includes a polarization optical encoder and a magnetic encoder, both configured for on-axis placement and operation with respect to a rotational axis of a rotating component. A polarization sensor digital control block and a magnetic sensor digital control block are configured and operative to combine polarizer channel position data and magnetic channel position data in a manner providing for one or more of (1) redundancy, (2) calibration, (3) monitoring performance of one channel in relation to the other channel, or (4) compensation or correction of one channel based on the other channel.

A device and method for controlling rotation recognition units that detect the rotation of a rotating body in an electronic device are presented. The electronic device includes an outer housing, a rotary member disposed adjacent to, or at least in partial contact with the housing, a first sensor that detects rotation of the rotary member relative to the housing through a first physical change, a second sensor that detects rotation of the rotary member relative to the housing through a second physical change, a battery disposed in the housing, a processor electrically connected to the battery, the first sensor, and the second sensor, and a memory electrically connected to the processor, wherein the memory stores instructions that, when executed, cause the processor to selectively control the operation of at least one of the first and second sensor based on at least one of the state of the electronic device and an application program that is being executed by the processor.

A device and method for controlling rotation recognition units that detect the rotation of a rotating body in an electronic device are presented. The electronic device includes an outer housing, a rotary member disposed adjacent to, or at least in partial contact with the housing, a first sensor that detects rotation of the rotary member relative to the housing through a first physical change, a second sensor that detects rotation of the rotary member relative to the housing through a second physical change, a battery disposed in the housing, a processor electrically connected to the battery, the first sensor, and the second sensor, and a memory electrically connected to the processor, wherein the memory stores instructions that, when executed, cause the processor to selectively control the operation of at least one of the first and second sensor based on at least one of the state of the electronic device and an application program that is being executed by the processor.

A capacitor circuit includes: a capacitor array including a plurality of capacitors; a switch array including a plurality of switch circuits, the switch circuits being respectively connected to the capacitors of the capacitor array; a plurality of switch control signal lines supplied with a plurality of switch control signals; and a substrate having a major surface on which the switch circuits are formed. At least part of the capacitors of the capacitor array is formed of a first conductive layer. The switch control signal lines are formed of a second conductive layer provided between the major surface and the first conductive layer. The capacitor array and the switch array are disposed so as to overlap each other at least in part in a plan view when viewed in a normal direction of the major surface.

A capacitor circuit includes: a capacitor array including a plurality of capacitors; a switch array including a plurality of switch circuits, the switch circuits being respectively connected to the capacitors of the capacitor array; a plurality of switch control signal lines supplied with a plurality of switch control signals; and a substrate having a major surface on which the switch circuits are formed. At least part of the capacitors of the capacitor array is formed of a first conductive layer. The switch control signal lines are formed of a second conductive layer provided between the major surface and the first conductive layer. The capacitor array and the switch array are disposed so as to overlap each other at least in part in a plan view when viewed in a normal direction of the major surface.

An encoder includes a rotating body that is rotatable around a rotation axis; a disk that is fixed to the rotating body and has a scale formed in a ring shape; an optical module that is disposed to face the disk and detects the scale; a first magnet that is disposed on one side from the disk in a direction of the rotation axis and fixed to the rotating body; and a first magnetic detector that is disposed on a remaining side from the disk in the direction of the rotation axis and detects magnetism of the first magnet.

A tank includes an interior magnetic float assembly for detecting a liquid level in the tank, and an exterior gauge component attached to a gauge head of the tank for detecting and indicating the liquid level of the tank based on a rotational orientation of a tank magnet of the magnetic float assembly. An adapter plate mounts a housing base of the exterior gauge component to the gauge head. The adapter plate is secured to the housing base and snaps onto the gauge head. A portion of the base defined by a first molded piece extends within an opening of the adapter plate and a second molded piece of the base extends from the opening away from the housing to define a proximal end portion of the housing disposed proximate the tank magnet. Alternatively, the base receives a threaded adapter for mounting to a threaded opening of a gauge head.