71 results about "Driven element" patented technology

The invention provides a three-degree-of-freedom micro-motion bonding head for a wafer bonding machine, relates to the technical field of ultra-precision piezoelectric driving, and aims to solve the problems that a traditional bonding head structure is low in response speed and poor in multi-degree-of-freedom cooperative micro-motion stability. An external frame unit and an internal frame unit are fixedly assembled on the micropositioner main substrate; the external frame unit comprises an X-direction piezoelectric actuator, a Y-direction piezoelectric actuator, an X-direction balance weight, a Y-direction balance weight and a parallel guiding flexible hinge, wherein the X-direction balance weight and the Y-direction balance weight are symmetrically distributed, and the external frame unit is used for achieving X-direction linear motion and Y-direction linear motion. The internal frame unit comprises a Z-direction piezoelectric actuator, a wafer bonding head and a tandem decoupling flexible hinge, and is used for realizing Z-direction linear motion; the piezoelectric actuator is used as a driving element and is matched with the flexible hinge to form a guiding and transmission mechanism, three-degree-of-freedom micro-motion of the bonding head in space is achieved, and meanwhile the structural design is optimized to improve motion decoupling performance, compactness and adaptability of stroke and precision.

A foldable electronic device includes a first body, a second body, a pivot, and a sensing component. The pivot is pivotally connected between the first body and the second body. The first body and the second body are configured to rotate relative to each other through the pivot, and the pivot includes a driving element. The sensing component is coupled to the pivot and the second body, and includes a sensing substrate and an interfering element connecting the sensing substrate. The driving element structurally interferes with the interfering element while rotating along with the pivot, so as to drive the interfering element to rotate, such that the sensing substrate rotates between an initial position where the sensing substrate leans on a back surface of the second body, and an operating position where an acute angle is formed between the sensing substrate and the back surface of the second body.

A wideband phased array antenna is provided. The wideband phased array antenna includes a plurality of antenna cells. Each of the antenna cells is configured to communicate over a frequency band ranging from 24 GHz to 52 GHz. Furthermore, one or more of the antenna cells includes a driven element and a parasitic element. The driven element is disposed on a first substrate that includes a first dielectric material. The parasitic element is disposed on a second substrate positioned relative to the first substrate such that a gap is defined between the first substrate and the second substrate. The second substrate includes a second dielectric material that is different than the first dielectric material.

The invention provides a self-adaptive vibration cutting processing method based on a piezoelectric sensing phase signal, which comprises the following steps of: installing a piezoelectric sensor between a tool apron and a tool of a vibration device, collecting an output signal of the piezoelectric sensor in a vibration-only non-cutting state, and extracting a phase of the output signal as a reference phase; the machine tool is controlled to make a cutter make contact with the workpiece for vibration cutting machining, output signals of the piezoelectric sensor at the moment are collected, and the phase difference between the output signals and the reference phase is calculated; according to the phase difference, the correction coefficient of the pre-calibrated cutting force and the cutting depth index of the cutting depth influence are combined, and the real-time cutting depth of current vibration cutting machining is obtained through back calculation; the real-time cutting depth is compared with the set cutting depth to obtain a cutting depth difference value, the cutting depth difference value is input into a closed-loop feedback controller to generate a compensation driving signal, the compensation driving signal acts on a driving element of a vibration device or a machine tool, and the relative position of a cutter is adjusted to compensate the cutting depth error. And self-adaptive vibration cutting machining control over the surface profile of the workpiece is completed.

The invention provides a resonance type compliant cavity composite structure pressure-resistant bending disc transducer which comprises a simply-supported ring, composite pressure-resistant assemblies are symmetrically arranged on the simply-supported ring up and down, the composite pressure-resistant assemblies and the simply-supported ring form an air cavity, and each composite pressure-resistant assembly comprises a watertight layer, a piezoelectric ceramic piece, a metal bending disc and a resonance type compliant pressure-resistant shell. The shell is arranged in the simply-supported ring, the metal bent disc is arranged above the shell, a medium cavity is formed between the shell and the metal bent disc, water permeable holes are formed in the side wall of the medium cavity, and the exterior of the transducer is communicated with the medium cavity. And a watertight layer covers the outer side. According to the composite shell structure, a pressure bearing structure and a driving structure are designed separately, pressure balance between driving force and a driving element is achieved through a coupling medium, and the anti-pressure capacity is improved; the shell is a bending vibration shell with the working frequency consistent with that of the transducer, the driving impedance is low, and the static pressure resistance is high.

Micromechanical structure (1), in particular a gyroscope, comprising a substrate (2) having a principal extension plane (100), a first detection mass element (11) and a second detection mass element (21), wherein the first detection mass element (11) is provided to be excitable by a first drive element (10) to a first vibration (101) parallel to the principal extension plane (100), wherein the second detection mass element (21) is provided to be excitable by a second drive element (20) to a second vibration (201) antiparallel to the first vibration (101), wherein a first Coriolis deflection of the first detection mass element (11) along a third direction (Z) perpendicular to the principal extension plane (100) is detectable by a first detection means,wherein a second Coriolis deflection of the second detection mass element (21) along the third direction (2) is detectable by a second detection means and wherein the first and the second detection mass elements (11, 21) are coupled to each other by means of a first coupling element (3), characterized in that the first detection mass element (11) is designed as a first rocker structure (11') and the second detection element (21) as a second rocker structure (21'), wherein the first and second rocker structures (11' and 21') are attached to the first and second drive elements (10 and 20) by means of a first and second torsion spring (13 and 23, respectively), respectively, wherein the first and second torsion axis (13' and 23') of the first and second torsion spring (13, 23) are parallel to the first and second directions (X, 2, 3, 4, 5, 6, 7, 8, 9, 10 ...Y) is provided and the first or second rocker structure (11' or 21') has an asymmetric mass distribution with respect to the first or second torsion axis (13' or 23'), wherein the first and / or the second torsion spring (13, 23) are designed as a conductor spring, wherein the first and / or the second torsion spring (13, 23) are designed as a double conductor spring.

The invention discloses a cosmetic packaging tube used through pressing. The cosmetic packaging tube comprises a middle bundle core, a base, a pressing piece, a transmission piece and an elastic piece. The median bundle core comprises a storage element, a guide element and a driving element; the base is matched with the median bundle core in an inserted mode, a channel extending in the axial direction is formed in the base, a plurality of protruding blocks arranged in the circumferential direction are arranged on the inner wall of the channel, and a sliding way is formed between every two adjacent protruding blocks. The pressing piece is movably arranged in the channel of the base and provided with protruding teeth matched with the sliding way. A transmission structure is arranged between the transmission piece and the driving element or the guiding element, and the transmission piece is provided with transmission teeth which are matched with the sliding way and meshed with the protruding teeth. When the cosmetic storage device is used, the pressing piece moves in the channel in the axial direction and drives the transmission piece to move in the axial direction, after the transmission teeth are separated from the sliding way, the transmission piece is driven to rotate in the circumferential direction, then the driving element or the guiding element is driven to rotate synchronously, compared with the prior art, the storage element does not need to rotate to move up and down, and cosmetic pressing is more stable.

The invention relates to a scanning device having a transmitting arrangement (20) for transmitting signals in the form of electromagnetic radiation and / or having a receiving arrangement (30) for receiving signals in the form of electromagnetic radiation, wherein the scanning device has a micromechanical device having a carrier plate (4), which is held on a frame (1) by means of spring elements (2a, 2b, 2c, 2d), and having a drive device (2a, 2b, 2c, 2d, 11a, 11b, 11c, 11d), which is configured to drive the carrier plate relative to the frame, wherein the carrier plate has a transmitting arrangement (20, 30) and / or a receiving arrangement (20, 30), and wherein the drive device (2a, 2b, 2c, 2d, 11a, 11b, 11c, 11d) has piezoelectric drive elements which are directly connected to one of the spring elements in each case, or are part of one of the spring elements.

Device for amplifying antenna signals, comprising a frame (5), characterized in that it further comprises an antenna tuner (9) and a transceiver (8), wherein the frame (5) is equipped with a drive element (3), at least one signal tuning module and at least one signal amplification module, wherein the signal tuning module and the signal amplification module are both connected to the antenna tuner (9), and wherein the drive element (3) is connected to the transceiver (8).

To an acoustic wave transmitting and receiving device and a method for constructing the acoustic wave transmitting and receiving device, which are capable of lowering the frequency of the resonance mode of a front mass.SOLUTION: An acoustic wave transmitting and receiving device according to the present disclosure includes a driving element having a first end and a second end, a gap portion having a plurality of gaps distributed in a direction away from the first end, a front mass connected to the first end, and a rear mass connected to the second end.SELECTED DRAWING: Figure 9

A modulation method and a modulation device for modulating beamforming are provided. The modulation method includes: providing a memory element that stores a beamforming table; providing a driving element; providing a plurality of modulation element groups; providing a signal source to provide at least one initial electromagnetic wave to the modulation element groups; providing a plurality of driving signals corresponding to the modulation element groups according to the beamforming table by the driving element; modulating the at least one initial electromagnetic wave to be a main wave beam with a specific radiation waveform according to the drive signals by the modulation element groups.

The invention relates to a MEMS component (1) for a MEMS loudspeaker (30), having a carrier structure (2) with a first through-hole (3) leading to a front volume (4) of the MEMS component (1) and a second through-hole (5) leading to a rear volume (6) of the MEMS component (1), displacement elements (7) which are fixed to the carrier structure (2) and are movable relative to one another, a variable volume chamber (8) being configured between each two adjacent displacement elements (7), an electrically actuatable drive unit (9) for generating a movement of the displacement elements (7), at least one displacement element (7) being fixed to a carrier beam (11) of the carrier structure (2) via a carrier membrane (10), the drive unit (9) having at least one piezoelectric drive element (12) which is arranged on the carrier membrane (10) and which, by way of a deformation of the carrier membrane (10), causes a pivoting movement (13) of the displacement element (7) about a pivot axis (14) which extends along the fixing of the displacement element (7) on the carrier membrane (10).

There is provided a driving method of a liquid ejecting apparatus in which a liquid ejects from a first nozzle by driving a first driving element with a first driving signal. The first drive signal includes a first ejection pulse having a first ejection waveform element that changes in potential to eject a liquid from a first nozzle, and a first micro-vibration pulse having a first micro-vibration waveform element that changes in potential to not eject the liquid from the first nozzle. The driving method includes: determining the first ejection pulse; and setting a potential change width of the first micro-vibration waveform element based on a maximum potential change width in the first ejection waveform element and a first upper limit threshold value. The first upper limit threshold value is a value of the potential change width with which the ejection of the liquid is stabilized.

The application discloses a folding and unfolding mechanism of a four-surface array antenna, which comprises a mounting platform, a lifting mechanism arranged on the mounting platform, the lifting mechanism comprising a lifting upper frame, a lifting driving element, a swing rod I and a swing rod II, the lifting driving element being arranged between the lifting upper frame and the mounting platform, a front array surface and a rear array surface being hingedly connected to the front and rear ends of the lifting upper frame, the front array surface and the rear array surface being hingedly connected to the swing rod I between the mounting platform, left and right unfolding mechanisms being arranged on the lifting upper frame, a left array surface and a right array surface being hingedly connected to the left and right ends of the left and right unfolding mechanisms, the left array surface and the right array surface being hingedly connected to the swing rod II between the mounting platform. The application has the advantages that a folding and unfolding mode of a vehicle-mounted large-caliber four-surface array antenna from a transportation state to a working state is provided, single-vehicle transportation of the large-caliber four-surface array antenna can be realized and the transportation limit requirements of roads and railways can be met, the four-surface array antenna can be automatically and quickly unfolded, precious battlefield time is saved, and the battlefield survival capability is improved.

An acoustic wave transmitting / receiving device according to the present disclosure includes a driving element having a first end and a second end, a front mass having a side surface and a hole, the front mass being connected to the first end, and a rear mass connected to the second end, in which the hole extends from the side surface into the front mass.

Coupling device (1) for force-transmitting connection of a first Bowden cable (3) with a second Bowden cable (4), wherein the coupling device (1) comprises a first coupling part (9) to which a sheath (5) and a core (6) of the first Bowden cable (3) can be attached, and a second coupling part (10) to which a sheath (7) and a core (8) of the second Bowden cable (4) can be attached, wherein the first of the coupling parts (9) comprises a first housing (11) connectable to the sheath (5) of the first Bowden cable (3) and a first slide (12) connectable to the core (6) of the first Bowden cable (3) and longitudinally displaceable within the housing (11), and wherein the coupling parts (9, 10) are positively interlocking or joined together.wherein the second of the coupling parts (10) has a second housing (21) connectable to the sheath (7) of the second Bowden cable (4) and a second slide (22) connectable to the inner tube (8) of the second Bowden cable (4) and longitudinally displaceable within the second housing (21), wherein the housings (11, 21) of the coupling parts (9, 10) on the one hand and the slides (12, 22) of the coupling parts (9, 10) on the other hand are each positively interlocking or joined to one another in a joining direction transverse to the force transmission direction of the Bowden cables (3, 4), and wherein at least one of the slides (22) has at least one guide surface (33) inclined to the joining direction for the other of the slides (12), which interacts with the other of the slides (12) when the coupling parts (9, 10) are joined in the joining direction such that at least one of the slides (22) is displaced in the direction of power transmission,wherein the second slide (22) has several guide surfaces (33) arranged at intervals from each other in the direction of force transmission, wherein the first slide (12) has at least one drive element (31) which interacts with at least one of the guide surfaces (33), characterized in that the drive element (31) is a drive bolt or cylinder oriented transversely to the direction of force transmission.

The communication system includes a push-pull transmitter circuit (2) that includes a reflection signal attenuator circuit (10) configured to keep the reflection signals outside of the amplitude direction of communication signals to prevent contamination thereof. The reflection signal attenuator circuit (10) includes first and second rectifier elements (D1 and D2) connected in series to a high-side drive element and a low-side drive element (Q1 and Q2), respectively, to prevent the reflection signals from the communication signals from flowing back to a power supply side, and first and second voltage cap elements (ZD1 and ZD2) connected in parallel to the high-side drive element and the low-side drive element (Q1 and Q2), respectively, to provide (add or subtract) capping voltages equal to approximately 1.5 to 3 times upper or lower boundaries for a HIGH level voltage of the communication signals when passing the reflection signals from the communication signals therethrough.

The invention discloses a hand changing module for moving a bent workpiece to an assembly station, comprising: a bearing part for bearing and fixing the workpiece, the bearing part comprising a first mounting seat and a carrier fixedly arranged on the first mounting seat; the carrier is provided with a bearing surface for bearing and fixing a workpiece; a channel is arranged in the carrier, and a magnetic attraction piece is arranged in the channel; the two suction parts are arranged in the first direction in a spaced mode, and each suction part comprises a first driving piece and a suction surface used for sucking a bent workpiece; the suction surface is provided with a negative pressure suction hole, a fixed check block and a movable check block, and the fixed check block and the movable check block protrude out of the suction surface and are arranged at intervals in the second direction. The two grabbing parts are located on the two sides of the bearing part in the first direction, and the two grabbing parts are symmetrically arranged; the grabbing part comprises a grabbing hand extending in the first direction and a driving assembly connected with the grabbing hand. According to the hand changing module, a fixed workpiece can be stably fixed, a bent workpiece can be stably and efficiently moved to the side face of the fixed workpiece, and the bent workpiece is prevented from being damaged.

For example, the present invention provides an improved novel optical module having a configuration in which multiple optical modulation units and driving elements are not aligned in the longitudinal direction of the waveguide in the multiple optical modulation units. [Solution] The optical module comprises, for example, an optical modulation element having a first optical modulation section having a first waveguide extending in a first direction, and a second optical modulation section having a second waveguide that is spaced away from the first waveguide in a second direction intersecting the first direction and substantially parallel to the first waveguide, a driving element that is spaced away from the second waveguide in a second direction and drives the first optical modulation section and the second optical modulation section, and a base on which the optical modulation element and the driving element are mounted, wherein the optical modulation element is provided on a first surface, and the base has a pair of differential wirings that pass through a position spaced away from the first surface in the opposite direction to a third direction and electrically connect a pair of output terminals of the optical modulation element to a pair of electrodes of the first waveguide, respectively.

The invention relates to an actuating device (1) for a transmission, comprising an actuator (2) which is designed to generate a movement in order to move a transmission element (3) of the transmission, in particular a shift fork, said actuating device (1) comprising a determination device (4) which is designed to determine an actuation signal describing an actuation state of the transmission element (3), the determination device (4) has a first detection means (5), which is designed to detect first orientation information, which describes an orientation, in particular a rotational angle, of the drive-side drive element (7), and a second detection means (6), which is designed to detect second orientation information, which describes a rotational angle, of the drive-side drive element (7). The drive element (7) and the output element (8) are coupled by means of a spring mechanism (9), and wherein the determination device (4) is designed to determine the actuation state on the basis of the first orientation information and the second orientation information.

The present application discloses an optoelectronic sensor and its transmitting end drive circuit. The transmitting end drive circuit includes a switching unit, a main control unit, and a transmitting unit. The switching unit is used to control the conduction and cut-off of the clamping element according to the high and low levels of the first interface, and output a corresponding switching signal to the main control unit. The main control unit is used to output a corresponding drive signal to the transmitting unit according to the switching signal. The transmitting unit includes a transmitting drive element and a first triode, a second triode, and a third triode connected in sequence. The transmitting drive element includes a transmitting tube and a receiving tube arranged oppositely. The receiving tube is used to receive the optical pulse signal emitted by the transmitting tube. When the optical pulse signal exceeds a preset threshold, a short circuit occurs to control the second triode and the third triode to cut off, so as to adjust the intensity of the optical pulse signal of the transmitting tube. It can switch the optoelectronic sensor between DC power supply and modulated power supply according to different application scenarios, and reduce the power loss of the transmitting tube.

The invention relates to a power transmission box whose bearing (9) comprises a driving element (10) and a driven element (11) each having two bearing tracks (10a, 10b;11a, 11b) forming two paths (12, 13) in each of which a row (14, 15) of spherical rolling bodies (16) is arranged, the rows (14, 15) being arranged opposite an upstream portion (10a1, 10b1) – respectively downstream portion (11a2, 11b2) – of the leading tracks (10a, 10b) – respectively driven tracks (11a, 11b) –, the leading element (10) comprising a leading ring (17) and the driven element (11) comprising two driven rings (18, 19) on each of which is formed a portion (11a4, 11a2) of the first track (11a), the osculation rates of the upstream portion (10a1) and the downstream portion (11a2) are each between 0.51 and 0.57, the sum the osculation rates of the upstream portion (10b1) and the downstream portion (11b2) being less than the sum of the osculation rates of the upstream portion (10a1) and the downstream portion (11a2). Figure 3;

A circularly polarized, multi-band, broadband antenna capable of communicating with a GPS system. The antenna may include a driven element, a first conductive parasitic element electrically connected to the driven element, a second conductive parasitic element, and a third conductive parasitic element, and a ground plane. The parasitic elements are configured with varying lengths to provide wideband operation with multiple resonant frequencies. The radiated waves have a small propagation angle and travel at least 1 to 2 miles.

A wideband phased array antenna is provided. The wideband phased array antenna includes a plurality of antenna cells. Each of the antenna cells is configured to communicate over a frequency band ranging from 24 GHz to 52 GHz. Furthermore, one or more of the antenna cells includes a driven element and a parasitic element. The driven element is disposed on a first substrate that includes a first dielectric material. The parasitic element is disposed on a second substrate positioned relative to the first substrate such that a gap is defined between the first substrate and the second substrate. The second substrate includes a second dielectric material that is different than the first dielectric material.

The invention relates to an acoustic modulator (100) having: - a housing (110) having a front-side opening (111-111f) and a rear-side opening (112-112f); a drive element (120-120b); and a modulation unit (130-130c), wherein the modulation unit (130-130c) is arranged in an interior space (113) of the housing (110) and divides the interior space (113) into a first interior space volume (114-114c) and a second interior space volume (115-115c), wherein the modulation unit (130-130c) is configured to close and release the front-side opening (111-111f), wherein the modulation unit (130-130c) is configured to close and release the rear-side opening (112-112f), wherein the drive element (120-120b) is arranged opposite the modulation unit (130-130c) and delimits the second interior space volume (115-115c), and wherein the drive element (120-120b) is configured to reduce and enlarge the second interior space volume (115).

The invention relates to the technical field of digital broadcasting equipment, in particular to an anti-vibration and noise-reduction digital broadcasting transmitting microphone supporting device which comprises a supporting assembly and a connecting assembly. The supporting assembly is provided with a bearing table, a multi-stage adjusting arm and a supporting foot embedded with a piezoelectric detection element. The connecting assembly comprises an annular fixing piece, a piezoelectric driver, a control unit and a buffering connecting piece. Active damping and noise reduction are achieved through cooperation of piezoelectric detection and a driving element, and the stability is improved by combining the design of a buffer layer, a damping ring and a rubber ring. And the magnetic element and the bulge-groove structure are convenient for quick disassembly and assembly. The application can effectively counteract the influence of external vibration, adapt to a complex environment, and meet the requirement of high-quality audio acquisition.

A multi-turn limiting device for limiting movement of an element driven by a motor includes a sensor configured to provide a sensor signal corresponding to a position of the element, a movable member mechanically couplable to the element via a transmission having a non-unitary first transmission ratio and a further sensor configured to provide a further sensor signal corresponding to the position of the movable member. A controller switches the motor via a switching signal determined on the basis of the two sensors. A method of limiting movement of an element driven by a motor includes sensing the position of the element using two sensors and a movable member which is coupled to the element via a non-unitary transmission ratio.

The application provides a device for driving a wafer carrier, comprising: a wedge and a shock-absorbing seat; the wedge comprises a wedge body and a piezoelectric driving element embedded therein, the piezoelectric driving element is configured to expand when energized, drive a part of the wedge body to generate micro motion, and lift the wafer carrier; the upper surface of the shock-absorbing seat is arranged to be higher than the upper surface of the wedge in the initial state, so that the wafer carrier preferentially contacts the shock-absorbing seat to achieve buffering when falling. The application cooperatively designs the shock-absorbing seat and the piezoelectric driving wedge, which can not only realize high-precision driving at the nanometer level, but also effectively buffer the falling impact and protect the wafer.

For example, the present invention provides an improved novel optical module that can suppress excessive temperature rise associated with the operation of the drive element. [Solution] The optical module comprises, for example, an optical modulation element having an optical modulation section having a waveguide extending in a first direction, a drive element having a drive circuit for driving the optical modulation section, a base on which the optical modulation element and the drive element are mounted, having a first surface substantially aligned with the first direction and substantially aligned with a second direction intersecting the first direction, an insulator, and a conductor. The optical modulation element is provided on the first surface, the drive element is spaced apart from the optical modulation element in the second direction, and a heat dissipation section is provided on the base in a third direction aligned with the drive element in both the first and second directions. The heat dissipation section may be a conductor at ground potential.