63 results about "Piezo switch" patented technology

A functional vehicle component and related methods include a functional leather assembly fixed over a vehicle component. The functional leather assembly includes a leather sheet, a flexible electronic circuit arranged on a first surface of the leather sheet that faces away from the vehicle component to thereby define an outermost surface of the leather sheet, and including a piezoelectric switch that can be actuated to make or break a conductive path in the circuit; and a pigmented coating arranged over the circuit. Upon actuation of the piezoelectric switch to make or break the conductive path in the circuit, the piezoelectric switch provides a haptic signal that indicates the actuation of the piezoelectric switch.

A piezoelectric MEMS switch includes: a base substrate; a diaphragm arranged to oppose the base substrate via a gap; a first piezoelectric drive section constituted by layering a first lower electrode, a first piezoelectric body and a first upper electrode on a first surface of the diaphragm, the first surface being across the diaphragm from the gap; a second piezoelectric drive section constituted by layering a second lower electrode, a second piezoelectric body and a second upper electrode on a second surface of the diaphragm, the second surface facing the gap; a fixed electrode provided on a gap side of the base substrate; and a movable electrode which is fixed to a second piezoelectric drive section side of the diaphragm and opposes the fixed electrode in such a manner that the movable electrode makes contact with and separates from the fixed electrode according to displacement of the diaphragm.

The invention discloses a piezoelectric on-off valve type jetting dispensing head, and relates to a dispensing device mainly for the quick assembly of electronic chips. The jetting dispensing head is provided with a base, two piezoelectric ceramics, pull rods, a triangular block, a heating block, stop blocks, a nozzle, a firing pin, a flexure hinge and a liquid supply device, wherein the base is provided with the flexure hinge, two piezoelectric ceramics are pre-tensioned on two arms of the flexure hinge respectively through stop blocks, the stop blocks are arranged in the front end of the piezoelectric ceramics respectively, and are fixed on the base by the pull rods and embedded in stop blocks guide groove of the inner frame edge of the base; the nozzle is fixed on the front end under the base; cover plates are arranged on two sides of the base respectively, the rear ends of two cover plates are fixed on two arms of the flexure hinge by bolts, and the triangular block are fixed on the front end of two cover plates; the firing pin is arranged on the front end of the triangular block; the heating block is fixed on the lower part of the base; the liquid supply device is provided with a colloidal runner, an inlet conversion adapter and an inlet hose; and the liquid supply device is arranged on the lower part of the base, a heat-insulating groove is arranged between the base and the liquid supply device, and the colloidal runner is externally connected with the liquid supply device through the inlet conversion adapter and the inlet hose.

A circuit arrangement for an electric appliance, having a control device and a power supply unit connected with an electric current supply connector for providing functional units, which are to be controlled, of the electric appliance with current. A switch is provided on the electric current supply connector for cutting off the power supply unit from the electric current supply connector on a primary side. The switch has a piezo switch which is open in the non-activated state. The circuit arrangement of this invention is used, for example, in connection with electronic household appliances.

The invention relates to a switch device (10), for switching a user on and off, in particular, a motor or similar in a vehicle, comprising a housing (20), an operating element (30), a switch element (40) and a display (50), wherein the display (50) is arranged on the operating element (30), the switch element (40) may be activated by the operating element (30) and at least one switch signal (117) for a control unit (15,15′) may be generated by means of the switch element (40). According to the invention, the switch element (40) is a piezo switch and the piezo switch is arranged such as to generate the switch signal (17) on pushing (31) the operating element (30) into the housing (20).

A head-worn system has one or more illumination, imaging, communication, and/or other controlled elements electrically connected to a switch element (e.g., a piezo switch) positioned on the head-worn system so as to be overlying an area of a wearer's masseter muscle when worn on the wearer's person. The switch element is configured to be activated responsive to clenching of the wearer's jaw. The one or more controlled elements may be arranged to provide directional lighting/imaging from the point of view of the wearer, for example from the area of the wearer's zygomatic bones, when the head-worn system is worn on the wearer's person.

A piezoelectric Micro Electro Mechanical System (MEMS) switch includes a substrate, first and second fixed signal lines symmetrically formed in a spaced-apart relation to each other on the substrate to have a predetermined gap therebetween, a piezoelectric actuator disposed in alignment with the first and the second fixed signal lines in the predetermined gap, and having a first end supported on the substrate to allow the piezoelectric actuator to be movable up and down, and a movable signal line having a first end connected to one of the first and the second fixed signal lines, and a second end configured to be in contact with, or separate from the other of the first and second fixed signal lines, the movable signal line at least one side thereof being connected to an upper surface of the piezoelectric actuator.

The invention relates to an automotive slight-scuffing protection device which comprises an easy-deformed block, a loudspeaker, an automotive brake driver, a touch electric switch and a manual electric switch. The automotive slight-scuffing protection device is characterized in that the easy-deformed block is a soft blocky object which can generate the deformation while in extrusion, the touch electric switch is arranged inside the easy-deformed block, and a plurality of easy-deformed blocks can be arranged out of an automotive shell. After the automotive slight- scuffing protection device is used in an automobile, the easy-deformed block is firstly extruded when the slight scruff of the automobile happens, the touch electric switch is powered on, and the loudspeaker makes an alarming sound so as to enable automotives that collide subsequently to brake urgently; the touch electric switch is powered on if the automotive collides front objects or lateral objects by self, the loudspeaker makes an alarming sound, the brake driver enables the automobile to brake urgently and stop immediately at the same time, and the brake state and a loudspeaker alarming state of the automobile can be relieved after the manual electric switch is manipulated, thereby the invention reduces the scuffing and damage accidents of the automotive.

Systems and methods for operating piezoelectric switches are disclosed. A piezoelectric switching system includes a first actuator, a second actuator, and a bias voltage source. The first actuator has a first body electrode, a first gate electrode, and a first contact region. The second actuator has a second body electrode, a second gate electrode, and a second contact region. The first and second contact regions are separated by a gap. The bias voltage source applies a bias voltage to the body electrodes. The bias voltage is lower in magnitude than an actuation voltage for the switch. The gate electrodes receive a switching voltage. The switching voltage causes at least one of the first and second actuators to bend, thereby closing the gap such that the second contact region electrically contacts the first contact region. The difference between the switching voltage and the bias voltage exceeds the actuation voltage of the switch.

The invention relates to a touch screen, a color film base plate and a manufacture method thereof. The touch screen comprises a base plate, wherein a plurality of first signal lines and second signal lines for forming a plurality of touch sensing areas are arranged on the base plate; the first signal lines are connected with a first piezoelectric switch; the second signal lines are connected with a second piezoelectric switch; and the first piezoelectric switch and the second piezoelectric switch are used for conducting when the touch sensing areas are in touch and are applied with voltage and transferring a voltage signal respectively by the first signal lines and the second signal lines for confirming position coordinates of the touch sensing areas in touch. The invention utilizes the principle that charge is formed on the surface of a film when a piezoelectric film is applied with voltage, adopts structural ways of the signal lines and the piezoelectric switches and has the advantages of simple structure, low cost, high precision, long service life, and the like.

The invention relates to an electric switch, especially a piezo switch, with optical and/or mechanical feedback of the switching operation. The switch contains at least one switching element, especially beneath a cover panel, which can be activated by means of an activating element. This causes a switching signal to be generated and guided out via electrical contacts. The activating element itself is configured in the form of a passive luminous body consisting of an at least translucent material, which can be illuminated by active luminous means. The mechanical feedback of the switching operation can take place using a vibrator which is activated by the switching operation that has been initiated and conveys a vibrating motion to the luminous body.

A switch assembly includes a base plate and a switch element. The base plate includes a protrusion, a first light emitting diode, a second light emitting diode, a first switch contact, and a second switch contact. The first light emitting diode and the first switch contact are positioned on a first side of the protrusion, and the second light emitting diode and the second switch contact are positioned on a second side of the protrusion. The switch element is movably mounted on the protrusion and contactable with the first switch contact and the second switch contact. The switch element includes a light guiding portion with a first light incident surface positioned above the first light emitting diode, a second light incident surface positioned above the second light emitting diode, and a light emitting surface.

The invention discloses a probing small-sized electrostatic spinning instrument, comprising an ejector tube and a push rod; a piston end of the push rod is mounted on the ejector tube; a piezoelectricswitch is arranged at the top end of the push rod, outside the ejector tube, and a metal piece is arranged on the top surface of the piezoelectric switch fixedly; a battery case and a high-voltage direct-current inverter are fixedly mounted on the outer side wall of the ejector tube, batteries mounted in the battery case supply power to the high-voltage direct-current inverter; the piezoelectricswitch is connected with a battery case through a wire conductor to control a power switch, and a negative pole of the high-voltage direct-current inverter is in electric connection with the metal piece; a needle holder at the bottom of the ejector tube is connected with a spinning nozzle assembly. The electrostatic spinning instrument is of small size, is convenient and portable and is out of limit from the external power supply; the electrostatic spinning instrument is provided with the special-structure spinning nozzle assembly capable of directly probing recess structures directly, therebyrealizing directly spraying nanofiber membrane to insides of deep structures, and having good application prospect.

A hand tool includes a handle and a function end wherein a driving member is rotatably engaged with a through hole defined in the function end so as to output a torque to tighten or loosen an object. A ratchet mechanism including a pawl for engaging with the driving member is connected to the function end and two ends of the pawl member are alternatively in contact with two end walls of a recess for receiving the pawl member. Two detection members are respectively connected to the two end walls of the recess so that when outputting torque, the two ends of the pawl member contact against the two detection members which are piezo-electric switches and electrically connected to a data processing unit and a display unit connected to the handle.

The invention provides a method for performing perturbation simulation on link between Leaf-Spine switches in a network. The method comprises the following steps: disconnecting a link between a Leaf switch and a Spine switch; coupling the Spine switch with a first network card, and coupling the Leaf switch with a second network card; and communicating the first network card with the second networkcard through a server, so that traffics entering from the first network card are entirely forwarded to the second network card through the server, and the traffics entering from the second network card are entirely forwarded to the first network card through the server, wherein abnormal perturbation is generated in the server through first software simulation. The invention further provides a device for performing perturbation simulation on link between Leaf-Spine switches in the network.

The invention relates to the technical field of high-voltage power distribution cabinets, and discloses a self-moving anti-seepage outdoor high-voltage power distribution cabinet which comprises a rain and snow cavity, a piezoelectric spring is movably connected to the bottom of the rain and snow cavity, a transmission rod is movably connected to the left side of the piezoelectric spring, a push block is movably connected to the bottom of the transmission rod, and a piezoelectric switch is movably connected to the left side of the push block. The left side of the piezoelectric switch is movably connected with a connecting circuit, the bottom of the connecting circuit is movably connected with a box body, and the piezoelectric switch is extruded by the rain and snow cavity due to the gravity of rainwater to generate current to enable the electrified coil to be electrified during use, so that a repulsive force is generated for a lifting magnet; and then a reset spring is stretched to deform to drive the lifting magnet to move upwards, the lifting magnet moves upwards to drive a mounting base to move, and therefore a box body is driven to move to generate a certain height difference with the ground, and the effects of automatically increasing the height and preventing accumulated water from splashing and falling into equipment when accumulated water exists on the ground are achieved.