The invention discloses a modular differential compliant displacement reducer with output in same direction or reverse direction of input. The modular differential compliant displacement reducer includes a forward motion module, a reverse motion module and an actuator, and two ends of the forward motion module are respectively connected to one end of the reverse motion module. Differential superposition of displacement is achieved through combination of the forward motion module and the reverse motion module, a large displacement reduction ratio can be obtained, and therefore the resolution ratio and precision of motion are greatly improved. The reducer can be matched with a macro-motion platform, and large-range and ultrahigh-precision motion positioning is achieved.

The present invention provides a driving apparatus of a flight object, the driving apparatus comprising: a support member rotatably installed inside a flight object body; a first rotation actuating part installed on the support member; a second rotation actuating part installed on the first rotation actuating part in a direction intersecting with the first rotation actuating part, and a magnetic body rotating vertically and horizontally by the first and the second rotation actuating part, wherein the magnetic body includes: a hemisphere rotation body installed on the second rotation actuating part; a current body installed inside the hemisphere rotation body and supplied electronic currents; a first pole magnetic body installed in one side of the current body; a second pole magnetic body installed in the other side, and a connection part connecting between the first and the second pole magnetic body.

In an aspect, the present disclosure includes a method, apparatus, and system for operating a security tag, comprising activating a piezo-electric component of the security tag to generate an electrical charge in response to an applied mechanical force on the security tag; determining whether a verification signal has been received by the security tag upon activating the piezo-electric component; and disengaging a mechanical component of the security tag based on a determination that the verification signal has been received.

The present invention provides a driving apparatus of a flight object, the driving apparatus comprising: a support member rotatably installed inside a flight object body; a first rotation actuating part installed on the support member; a second rotation actuating part installed on the first rotation actuating part in a direction intersecting with the first rotation actuating part, and a magnetic body rotating vertically and horizontally by the first and the second rotation actuating part, wherein the magnetic body includes: a hemisphere rotation body installed on the second rotation actuating part; a current body installed inside the hemisphere rotation body and supplied electronic currents; a first pole magnetic body installed in one side of the current body; a second pole magnetic body installed in the other side, and a connection part connecting between the first and the second pole magnetic body.

The invention discloses a modular differential compliant displacement reducer with output in same direction or reverse direction of input. The modular differential compliant displacement reducer includes a forward motion module, a reverse motion module and an actuator, and two ends of the forward motion module are respectively connected to one end of the reverse motion module. Differential superposition of displacement is achieved through combination of the forward motion module and the reverse motion module, a large displacement reduction ratio can be obtained, and therefore the resolution ratio and precision of motion are greatly improved. The reducer can be matched with a macro-motion platform, and large-range and ultrahigh-precision motion positioning is achieved.

In an aspect, the present disclosure includes a method, apparatus, and system for operating a security tag, comprising activating a piezo-electric component of the security tag to generate an electrical charge in response to an applied mechanical force on the security tag; determining whether a verification signal has been received by the security tag upon activating the piezo-electric component; and disengaging a mechanical component of the security tag based on a determination that the verification signal has been received.

A non-contact deposition system comprises a jetting assembly including at least one micro-valve. The micro-valve includes an orifice plate defining an orifice therethrough. An actuating beam disposed in a spaced relationship to the orifice plate. The actuating beam including a base portion and a cantilevered portion extending from the base portion towards the orifice and is movable between a closed position and an open position. A sealing structure comprising a sealing member is disposed at the overlapping portion of the cantilevered portion. A fluid manifold is coupled to the micro-valve and defines a fluid reservoir containing a pressurized fluid. When the actuating beam is in the closed position, the cantilevered portion is positioned such that the sealing structure seals the orifice so as to close the micro-valve, and in the open position, the fluid is dispensed from the orifice towards a substrate and deposited thereon.

Articles and methods in which an electric field is used to actuate a material are generally described. Provided in one embodiment is a method including applying an electric field to a ceramic material. Applying the electric field to the ceramic material can transform the ceramic material from a first solid phase to a second distinct solid phase. The applied electric field is less than a breakdown electric field of the ceramic material, according to certain embodiments.

A friction member includes a stainless-steel-based sintered body having a pore, and a resin material that is present in at least one portion of an inside of the pore, wherein the resin material is a silicone-based resin material, and has a maximum absorption peak intensity ratio Ia/Ib of 0.10 or more in a spectrum acquired based on an infrared spectroscopic analysis, where Ia is a maximum absorption peak intensity caused by stretching vibration of SiH bond in a range of 2079 cm.sup.?1 to 2415 cm.sup.?1, and Ib is a maximum absorption peak intensity caused by stretching vibration of SiOSi bond in a range of 1000 cm.sup.?1 to 1070 cm.sup.?1.

Articles and methods in which an electric field is used to actuate a material are generally described. Provided in one embodiment is a method including applying an electric field to a ceramic material. Applying the electric field to the ceramic material can transform the ceramic material from a first solid phase to a second distinct solid phase. The applied electric field is less than a breakdown electric field of the ceramic material, according to certain embodiments.