An inertial measurement unit includes: a substrate; a sealing member; a first inertial sensor module including a first inertial sensor and a first package accommodating the first inertial sensor; and a second inertial sensor module including a second inertial sensor and a second package accommodating the second inertial sensor. A material of the first package includes a resin. A material of the second package is an inorganic material. The first inertial sensor module is accommodated in a space between the substrate and the sealing member and thus airtightly sealed therein. The second inertial sensor module is provided outside the space.

An electronic device includes: a substrate having an upper surface and a lower surface; a first electronic component mounted on the upper surface of the substrate; a second electronic component mounted on the lower surface of the substrate; and a mold portion covering the second electronic component without covering the first electronic component. The first electronic component is bonded to the upper surface on the first relative surface via a conductive first bonding member. The second electronic component is bonded to the lower surface via a second bonding member on a second relative surface relative to the lower surface.

Apparatus for detecting a critical fall of a rechargeable battery and a rechargeable battery having an apparatus for detecting a critical fall, wherein the rechargeable battery contains a control device having a discharging device and also at least one energy storage device. The apparatus contains at least one sensor for detecting an acceleration value in a predetermined direction, control electronics that are configured to control at least one function of the rechargeable battery and also a fastening element for the at least one sensor, whereby the at least one sensor is mounted pivotably about a point of rotation in relation to the rechargeable battery and is kept essentially in a predetermined spatial position in relation to the rechargeable battery when the rechargeable battery rotates about at least one axis of rotation.

The inertial sensor device is an inertial sensor device including a plurality of inertial measurement modules, and includes: a clocking unit; a storage unit configured to store detection data from each of the plurality of inertial measurement modules in association with a time point of the clocking unit; and a synthesis processing unit configured to calculate interpolation data at a predetermined time point based on the detection data from each of the plurality of inertial measurement modules at at least two time points, and synthesize, using the interpolation data for each of the plurality of inertial measurement modules, output data at the predetermined time point.

A sensor module includes a circuit board, a sensor element having a detection axis along a planar direction of the circuit board, a sensor package accommodating the sensor element and mounted on the circuit board, a board land pattern used for mounting the sensor package disposed on the circuit board, and a package electrode disposed on a mounting surface of the sensor package facing the circuit board and joined to the board land pattern by a solder. A relationship of Xp≤X1 is satisfied, in which Xp is a width of the board land pattern in a first direction along the planar direction of the circuit board, and X1 is a width of the package electrode in the first direction.

A system including a sensor and an electrical cable including electrical conductors, which are provided with an electrically insulating sheathing, the sensor being accommodated in a housing, the conductors of the cable are exposed from the sheathing at certain locations and the housing is fastened in an integrally bonded or form-fitting manner on the conductors of the cable at the exposed locations in the sheathing, and an electrically insulating sheathing is provided, which encloses the housing in a form-fitting manner and covers at least the cable in the area of the housing.

An acceleration detection device includes a piezoelectric element including a top surface and a bottom surface, a sheet-shaped adhesive provided on the bottom surface of the piezoelectric element, and a first package member to which the piezoelectric element is bonded by the sheet-shaped adhesive.

An inertial measurement device includes: a first inertial sensor; a first inertial sensor module in which the first inertial sensor is stored in a first package made of resin; a base having a concave portion and made of ceramic; and a lid body. The first inertial sensor module is accommodated in an accommodation space between the base and the lid body and is hermetically sealed.

The invention relates to a method for producing an acceleration sensor having a housing (1), which has a cylindrical or cubic basic shape, having at least one internal support (4) and having a sensor element (2) arranged thereon. According to the invention a sensor element (2) comprising a main body (29) having a head part (21) and an end face (24) opposing said head part (21) is premounted, by surrounding the head part (21) with at least one piezoelectric measuring element (23), a seismic composition (22) and a clamping ring (27). The end face (24) is subsequently positioned on the inner support (4) of the housing (1) in contact therewith to form a contact zone (7) between the end face (24) and the support (4). Finally, the sensor element (2) is welded in this contact zone (7) to the housing (1). The invention further relates to an acceleration sensor produced using said method.

A combined MicroElectroMechanical structure (MEMS) includes a first piezoelectric membrane having one or more first electrodes, the first piezoelectric membrane being affixed between a first holder and a second holder; and a second piezoelectric membrane having an inertial mass and one or more second electrodes, the second piezoelectric membrane being affixed between the second holder and a third holder.