Abstract: An apparatus and a method for accurate determination of a transfer function of a device under test (DUT) comprising a measurement unit adapted to measure a transfer function of the device under test (DUT) across a frequency range in response to a wideband signal applied by the measurement unit to the device under test (DUT), a preprocessing unit adapted to cut out data of the measured transfer function at frequencies where the applied wideband signal comprises a low spectral power density and a data processing unit adapted to process the remaining data of the measured transfer function to determine an accurate transfer function of said device under test (DUT).

Abstract: The present invention relates to a method and an apparatus for generating an output signal with adjustable phase noise. The apparatus comprises waveform generation circuitry configured to generate a reference signal. Further, the apparatus comprises oscillator circuitry configured to generate an adjustable local oscillator (LO) signal. In addition, the apparatus comprises mixer circuitry coupled to the waveform generation circuitry and the oscillator circuitry and configured to mix the reference signal with the LO signal (LO) to generate the output signal having phase noise based on the LO signal. Further, the present invention relates to a system comprising such apparatus.

Abstract: The present disclosure provides a measurement application device calibration unit, comprising a coupling element comprising a first connection and a second connection for coupling the coupling element into a signal measurement path, and a third connection, wherein the coupling element is configured to at least one of couple out a signal from the signal measurement path into the third connection, and couple in a signal from the third connection into the signal measurement path, and comprising a signal processing device that is coupled to the third connection of the coupling element and that is configured to receive the predetermined calibration signal when the coupling element couples out a signal from the signal measurement path into the third connection, and to generate a predetermined calibration signal when the coupling element couples in a signal from the third connection into the signal measurement path.

Abstract: The present invention relates to a method and an apparatus for generating an output signal with adjustable phase noise. The apparatus comprises waveform generation circuitry configured to generate a reference signal. Further, the apparatus comprises oscillator circuitry configured to generate an adjustable local oscillator (LO) signal. In addition, the apparatus comprises mixer circuitry coupled to the waveform generation circuitry and the oscillator circuitry and configured to mix the reference signal with the LO signal (LO) to generate the output signal having phase noise based on the LO signal. Further, the present invention relates to a system comprising such apparatus.

Abstract: An apparatus and a method for accurate determination of a transfer function of a device under test (DUT) comprising a measurement unit adapted to measure a transfer function of the device under test (DUT) across a frequency range in response to a wideband signal applied by the measurement unit to the device under test (DUT), a preprocessing unit adapted to cut out data of the measured transfer function at frequencies where the applied wideband signal comprises a low spectral power density and a data processing unit adapted to process the remaining data of the measured transfer function to determine an accurate transfer function of said device under test (DUT).

Abstract: A bushing having a bearing wall that extends partially around an axis. The bearing wall may include a first end surface, a second end surface, and an inner side that may extend from the first end surface to the second end surface. The inner side may define the bushing opening having an elliptical configuration.

Abstract: The present disclosure provides a measurement application device calibration unit, comprising a coupling element comprising a first connection and a second connection for coupling the coupling element into a signal measurement path, and a third connection, wherein the coupling element is configured to at least one of couple out a signal from the signal measurement path into the third connection, and couple in a signal from the third connection into the signal measurement path, and comprising a signal processing device that is coupled to the third connection of the coupling element and that is configured to receive the predetermined calibration signal when the coupling element couples out a signal from the signal measurement path into the third connection, and to generate a predetermined calibration signal when the coupling element couples in a signal from the third connection into the signal measurement path.

Abstract: A seat assembly having a seat back and a mounting bracket assembly. The seat back may have a pivot pin that may be rotatable about an axis. The mounting bracket assembly may be adapted to be mounted to a vehicle and may have a hole that may receive a bushing. The bushing may receive the pivot pin.

Abstract: A vehicle seat assembly is provided with a seatback frame adapted to be mounted to a vehicle interior. The seatback frame has a front region facing a forward direction, and a rear region. A first bracket is mounted to the front region of the seatback frame. A second bracket is mounted to the first bracket and the rear region of the seatback frame. At least one head restraint post is mounted to the first bracket or the second bracket and spaced apart from the seatback frame so that upon a rear vehicle impact, the second bracket deforms as the at least one head restraint post is translated toward the seatback frame.

Abstract: A measurement method includes providing a test signal to a first signal path and to a second signal path within a predefined time interval, thereby obtaining a first signal and a second signal, respectively; consecutively modifying at least one of a phase and an amplitude of the first signal and of the second signal, thereby obtaining a first modified signal and a second modified signal, respectively; applying a first window at least to the first signal, thereby obtaining a first set of measurement data being associated with at least the first signal; applying a second window at least to the second signal, thereby obtaining a second set of measurement data being associated with at least the second signal; and determining a response function difference between the signal paths based on the first set of measurement data and the second set of measurement data. Further, a measurement system is described.

Abstract: A vehicle seat assembly is provided with a seatback frame adapted to be mounted to a vehicle interior. The seatback frame has a front region facing a forward direction, and a rear region. A first bracket is mounted to the front region of the seatback frame. A second bracket is mounted to the first bracket and the rear region of the seatback frame. At least one head restraint post is mounted to the first bracket or the second bracket and spaced apart from the seatback frame so that upon a rear vehicle impact, the second bracket deforms as the at least one head restraint post is translated toward the seatback frame.

Abstract: A vehicle seat assembly is provided with a seat back frame. A bracket is provided with a substrate welded to the seat back frame. Two pairs of sidewalls extend from the substrate and are tapered with an enlarged region at an upper distal end. A pair of support plates are each supported by one of the two pairs of sidewalls and spaced apart from the substrate to provide a mounting surface. A pair of spaced apart tubes are each welded to the bracket mounting surface of one of the pair of support plates. A pair of head restraint posts are each received in one of the pair of tubes. A head restraint is supported upon the pair of head restraint posts, so that upon a rear vehicle impact, the bracket deforms as the pair of head restraint posts are translated toward the seat back frame.

Abstract: A vehicle seat assembly is provided with a seat back frame with an upper crossbar. A deformable member is welded to the seat back frame. A pair of tubes is welded to the deformable member. A pair of head restraint posts are each received in one of the pair of tubes to support a head restraint. A pair of spaced apart limit bracket bases is welded to the upper crossbar and extend away from the seat back frame to support a pair of limit bracket contact portions. A pair of contact target plates are each welded to one of the pair of tubes, spaced apart from and aligned with one of the pair of limit bracket contact portions so that the deformable member deforms under a rear vehicle impact until the contact target plates contact the contact portions of the limit brackets.

Abstract: A measurement method includes providing a test signal to a first signal path and to a second signal path within a predefined time interval, thereby obtaining a first signal and a second signal, respectively; consecutively modifying at least one of a phase and an amplitude of the first signal and of the second signal, thereby obtaining a first modified signal and a second modified signal, respectively; applying a first window at least to the first signal, thereby obtaining a first set of measurement data being associated with at least the first signal; applying a second window at least to the second signal, thereby obtaining a second set of measurement data being associated with at least the second signal; and determining a response function difference between the signal paths based on the first set of measurement data and the second set of measurement data. Further, a measurement system is described.

Abstract: A vehicle seat assembly, a biasing mechanism, and a method of installing a vehicle seat assembly are provided. A first end region of a torsion spring is for fixed connection to a vehicle frame bracket mount such that the seat back rotates relative to the first end region of the spring about a transverse axis. A second end region of the torsion spring is offset from the transverse axis. A support bracket is connected to the seat back, with the intermediate region of the torsion spring supported for rotation by the support bracket. A block supported by the support bracket and offset from the transverse axis, with the block contacting the second end region of the torsion spring to bias the spring when the seat back is in a first, use position.

Abstract: A vehicle seat assembly is provided with a seat back frame. A bracket is provided with a substrate welded to the seat back frame. Two pairs of sidewalls extend from the substrate and are tapered with an enlarged region at an upper distal end. A pair of support plates are each supported by one of the two pairs of sidewalls and spaced apart from the substrate to provide a mounting surface. A pair of spaced apart tubes are each welded to the bracket mounting surface of one of the pair of support plates. A pair of head restraint posts are each received in one of the pair of tubes. A head restraint is supported upon the pair of head restraint posts, so that upon a rear vehicle impact, the bracket deforms as the pair of head restraint posts are translated toward the seat back frame.

Abstract: A vehicle seat assembly is provided with a seat back frame with an upper crossbar. A deformable member is welded to the seat back frame. A pair of tubes is welded to the deformable member. A pair of head restraint posts are each received in one of the pair of tubes to support a head restraint. A pair of spaced apart limit bracket bases is welded to the upper crossbar and extend away from the seat back frame to support a pair of limit bracket contact portions. A pair of contact target plates are each welded to one of the pair of tubes, spaced apart from and aligned with one of the pair of limit bracket contact portions so that the deformable member deforms under a rear vehicle impact until the contact target plates contact the contact portions of the limit brackets.

Abstract: A hinge assembly for integration into a seat release system includes a pivot stud having a shaft section and a first head section and an outer hinge component attached to the first head section of the pivot stud. The shaft section is adapted to be connected to a spring element of the pivot stud. The first head section has a rounded star-shaped cross-section with three or more protrusions converging in a direction outward from a center of the rounded star-shaped cross-section with at least one flat-ended protrusion. The outer hinge component defines a top wall and a sidewall. The top wall is adapted to be attached to a vehicle body structural component. Characteristically, the sidewall defines an opening into which the first head section of the pivot stud is positioned. A vehicle seat release system incorporating the hinge assembly is also provided.

Abstract: A seat assembly having a seat back and a mounting bracket assembly. The seat back may have a pivot pin that may be rotatable about an axis. The mounting bracket assembly may be adapted to be mounted to a vehicle and may have a hole that may receive a bushing. The bushing may receive the pivot pin.

Abstract: A bushing having a bearing wall that extends partially around an axis. The bearing wall may include a first end surface, a second end surface, and an inner side that may extend from the first end surface to the second end surface. The inner side may define the bushing opening having an elliptical configuration.