子分类：
| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 101 | Device for micromechanical switching of signals | US09530464 | 2000-06-27 | US06456190B1 | 2002-09-24 | Gert Andersson; David Westberg |
| The invention refers to a micromechanical switching device including at least two contact elements (11, 12, 31, 32), which are provided at least partly movable relative each other and via thermal actuation can be closed and opened, whereby the contact elements (11, 12, 31, 32) at least partly are comprised of at least two materials (14, 15, 16, 17, 34-37) with essentially different thermal expansion coefficients. The contact elements (11, 12, 31, 32) at excitation are arranged to displace essentially in same level and in different directions. | ||||||
| 102 | Microelectromechanical actuators including sinuous beam structures | US09610047 | 2000-07-05 | US06367252B1 | 2002-04-09 | Edward A. Hill; Vijayakumar Rudrappa Dhuler; Allen Cowen; Ramaswamy Mahadevan; Robert L. Wood |
| In embodiments of the present invention, a microelectromechanical actuator includes a beam having respective first and second ends attached to a substrate and a body disposed between the first and second ends having a sinuous shape. The body includes a portion operative to engage a object of actuation and apply a force thereto in a direction perpendicular to the beam responsive to at least one of a compressive force and a tensile force on the beam. The sinuous shape may be sinusoidal, e.g., a shape approximating a single period of a cosine curve or a single period of a sine curve. The beam may be thermally actuated or driven by another actuator. In other embodiments, a rotary actuator includes first and second beams, a respective one of which has first and second ends attached to a substrate and a body disposed between the first and second ends. Each body includes first and second oppositely inflected portions. The bodies of the first and second beams intersect one another at points at which the first and second oppositely inflected portions of the first and second bodies meet. The bodies of the first and second beams are operative to engage the object of actuation and rotate the object of actuation around the point of intersection responsive to at least one of compressive force and tensile force on the first and second beams. Related methods are also described. | ||||||
| 103 | Resistor array devices including switch contacts operated by microelectromechanical actuators and methods for fabricating the same | US09542142 | 2000-04-05 | US06310419B1 | 2001-10-30 | Robert L. Wood |
| Resistor networks, digital potentiometers and microelectromechanical structures that include a plurality of resistors selectable by a plurality of microelectromechanical actuators are provided. More particularly, a thermal relay type of actuator is provided as a switch which may selectively control which of the plurality of resistors is connected. In one particularly advantageous embodiment, the heater for the thermal relay and the plurality of resistors are formed from a common layer of the integrated circuit structure, such as a doped polysilicon layer, which may simplify the manufacturing process. Preferably, a thermal arched beam actuator is utilized in combination with film resistors to provide an integrated circuit device suitable for applications such as digital potentiometers. | ||||||
| 104 | Dielectric links for microelectromechanical systems | US09366933 | 1999-08-04 | US06268635B1 | 2001-07-31 | Robert L. Wood |
| Microelectromechanical structures include first and second movable conductive members that extend along and are spaced apart from a microelectronic substrate and are spaced apart from one another, and a movable dielectric link or tether that mechanically links the first and second movable conductive members while electrically isolating the first and second movable conductive members from one another. The movable dielectric link preferably comprises silicon nitride. These microelectromechanical structures can be particularly useful for mechanically coupling structures that are electrically conducting, where it is desired that these structures be coupled in a manner that can reduce and preferably prevent electrical contact or crosstalk. These microelectromechanical structures can be fabricated by forming a sacrificial layer on a microelectronic substrate and forming a dielectric link on the sacrificial layer. First and second spaced apart conductive members are electroplated on the sacrificial layer, such that the first and second spaced apart conductive members both are attached to the dielectric link. The sacrificial layer is then at least partly removed, for example by etching, to thereby release the dielectric layer and at least a portion of the first and second conductive members from the microelectronic substrate. | ||||||
| 105 | Apparatus for interrupting the flow of current in a cable | US166696 | 1998-10-05 | US6078108A | 2000-06-20 | Karl Franz Froschl |
| An apparatus for interrupting the flow of current in a cable, which cable leads from the battery in a motor vehicle to a consumer, also located in the vehicle, such as the starter, engine or the like. A housing is provided, having two connection terminals, electrically insulated from one another, for the lines leading to the battery and to the consumer, and having a switch disposed in the interior of the housing, the switch being assigned a control device which can be tripped by a sensor and whose tripping actuates the switch. | ||||||
| 106 | Thermal arched beam microelectromechanical switching array | US232938 | 1999-01-19 | US5955817A | 1999-09-21 | Vijayakumar R. Dhuler; Robert L. Wood; Ramaswamy Mahadevan |
| A MEMS actuator is provided that produces significant forces and displacements while consuming a reasonable amount of power. The MEMS actuator includes a microelectronic substrate, spaced apart supports on the substrate and a metallic arched beam extending between the spaced apart supports. The MEMS actuator also includes a heater for heating the arched beam to cause further arching of the beam. In order to effectively transfer heat from the heater to the metallic arched beam, the metallic arched beam extends over and is spaced, albeit slightly, from the heater. As such, the MEMS actuator effectively converts the heat generated by the heater into mechanical motion of the metallic arched beam. A family of other MEMS devices, such as relays, switching arrays and valves, are also provided that include one or more MEMS actuators in order to take advantage of its efficient operating characteristics. In addition, a method of fabricating a MEMS actuator is further provided. | ||||||
| 107 | Thermal arched beam microelectromechanical actuators | US767192 | 1996-12-16 | US5909078A | 1999-06-01 | Robert L. Wood; Vijayakumar R. Dhuler |
| Microelectromechanical actuators include at least one arched beam which extends between spaced apart supports on a microelectronic substrate. The arched beams are arched in a predetermined direction and expand upon application of heat thereto. A coupler mechanically couples the plurality of arched beams between the spaced apart supports. Heat is applied to at least one of the arched beams to cause further arching as a result of thermal expansion thereof, and thereby cause displacement of the coupler along the predetermined direction. Internal heating of the arched beams by passing current through the arched beams may be used. External heating sources may also be used. The coupler may be attached to a capacitor plate to provide capacitive sensors such as flow sensors. The coupler may also be attached to a valve plate to provide microvalves. Compensating arched beams may be used to provide ambient temperature insensitivity. | ||||||
| 108 | Transient energy release microdevices and methods | US989054 | 1992-12-10 | US5367878A | 1994-11-29 | Eric P. Muntz; Richard N. Nottenburg; Geoffrey R. Shiflett |
| A microdevice in the form of an electrical switch. A microdevice for providing switching at a high repetition rate, including a cell divided into two chambers by a bistable movable membrane. A charge of gas in the cell and a source for directly heating the gas to increase the gas pressure and move the membrane, the source for heating including a pulsed source for generating transient gas pressure increases, with the cell including an arrangement for cooling the gas for reducing the gas pressure after an increase. | ||||||
| 109 | Current-activated bypass switch | US923068 | 1992-07-31 | US5362576A | 1994-11-08 | Thomas Clark; David M. McCormick; Alan Whitebook |
| A switch is operated by an electrical current to automatically change from a ready condition to a tripped condition. The switch includes a fixed cylindrical contact and a movable plunger contact that are held apart by a thermal holding link acting against the force of a spring. When the switch in the ready condition, an electrical current of sufficient magnitude passing through the thermal holding link will weaken and separate the link and thereby allow the spring to move the plunger contact into electrical contact with the cylindrical contact. In an alternative embodiment, the switch can be configured to be closed in the ready condition, in which case current does flow through the cylindrical contact and the plunger contact, but ceases when the switch is changed to the tripped condition. | ||||||
| 110 | Safety cutout device | US113183 | 1987-09-11 | US5039843A | 1991-08-13 | Manfred K. Muller |
| A safety cutout device for electric loads, particularly for use in pressing irons and portable heating apparatus, has a temperature switch, such as a bimetallic switch, which is adapted to be connected in series with the electric load. An electrical component adapted to be connected in parallel with the load and having an open and a closed switching state, and being normally open, is connected in series with a resistor adapted to be connected in parallel with the load and arranged in heat transfer relationship with the temperature switch and for heating the temperature switch to its operating temperature to open the switch. A further resistor, which continuously bridges and heats the temperature switch to an extent sufficient to maintain the temperature switch in its actuated open position, is connected in parallel with the temperature switch and adapted to be connected in series with the load. The electrical component may be a position or acceleration responsive switch, level sensor, photocell, photodiode, mercury switch, etc. The temperature switch, resistors and electrical component are mounted on a ceramic plate. | ||||||
| 111 | Circuit breaker with parallel shorting element | US612599 | 1975-09-12 | US4052687A | 1977-10-04 | Stephen F. Kimball; Paul E. Gates |
| A circuit breaker has a thermally sensitive bimetal connected across two lead-in wires in a glass envelope. An electrically conductive bypass element is in parallel with the bimetal and shorts it out. The bypass element can be removed from the circuit by melting it by means of a short duration pulse of high electric current. | ||||||
| 112 | Latching switch | US3743977D | 1972-04-27 | US3743977A | 1973-07-03 | RANDALL R; TENGELSEN R |
| A latching switch comprising two normally electrically isolated elements which mechanically latch when deflected in a prearranged sequence in substantially orthogonal directions. A contact edge on each element engages a contact pad on the other when the elements are latched, providing two conductor paths per pair of elements. Each element may comprise a bimetal, deflection thereof being effected via application of an actuating signal to one face of the bimetal, which face functions as a heating resistor.
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| 113 | Electro-responsive system | US77326358 | 1958-11-12 | US2962575A | 1960-11-29 | BAKER HARRY I |
| 114 | Circuit-control system | US32227952 | 1952-11-24 | US2758224A | 1956-08-07 | ALTHERR WALTER M |
| 115 | Compensating thermal relay | US18750327 | 1927-04-29 | US1791457A | 1931-02-03 | WHITTINGHAM GEORGE H |
| 116 | SYSTEM AND METHOD FOR INDEPENDENTLY CONTROLLING RELAY, USING BIMETAL | US15576961 | 2016-08-30 | US20180151319A1 | 2018-05-31 | Hyeon Jin SONG; Yanglim CHOI |
| The present invention relates to a system and a method for independently controlling a relay using bimetal which allow bimetal to operate based on a signal output from a micro controller unit when current of a predetermined threshold or more flows on a circuit to allow current which flows between a battery and the relay to flow bypassing the bimetal to independently control the relay regardless of whether a circuit pattern is abnormal. | ||||||
| 117 | Rocker switch unit | US13862086 | 2013-04-12 | US09105424B2 | 2015-08-11 | Fabian Beck |
| A removable rocker switch unit (1) has a housing (7) and an ON- and an OFF-position removably fixed to the first end of the housing (2). The rocker switch (3) has two pairs of vertically and horizontally aligned connector elements (4). The housing (7) provides two chambers, each chamber for each phase of the rocker switch (7) including a first and a second connecting elements (5, 8) in each chamber arranged to be connected by a fuse (9), a current limiter (9) or both in a series connection and/or by a varistor (9) between connecting elements (5, 8) of the two different phases. | ||||||
| 118 | Bimorph switch, bimorph switch manufacturing method, electronic circuitry and electronic circuitry manufacturing method | US11504381 | 2006-08-15 | US07466065B2 | 2008-12-16 | Hirokazu Sanpei; Jun Mizuno; Masazumi Yasuoka; Humikazu Takayanagi; Takehisa Takoshima; Masaru Miyazaki; Masayoshi Esashi |
| A bimorph switch electrically connecting a traveling contact and a fixed contact. The switch comprises a substrate having a front face, a rear face, and a through hole penetrating from the front face to the rear face; a fixed contact extending from an edge portion of the aperture of the through hole towards the inside of the aperture; and a bimorph section holding the traveling contact at a position facing the aperture and driving the traveling contact. One end of the bimorph section may be formed on a silicon oxide layer formed on a front face of the substrate. | ||||||
| 119 | Bistable actuation techniques, mechanisms, and applications | US10052667 | 2002-01-18 | US06911891B2 | 2005-06-28 | Jin Qiu; Alexander H. Slocum; Jeffrey H. Lang; Ralf Struempler; Michael P. Brenner; Jian Li |
| A bistable structure provided by the invention is characterized as including a deflection element that has mechanically constrained end points and a compliant span between the end points that is substantially free to deflect between two stable positions when a force is applied at a point along the span. The deflection element span is provided, as-fabricated, curved in one of the two stable positions and in a mechanically unstressed condition along the length of the span. The as-fabricated curve of the deflection element span includes a curve maxima at a point along the span length that is at least about ¼ of the span length from the end points of the span. The deflection element span is constrained to substantially prohibit development of a second bending mode that is characteristic for the span as the element deflects between the two stable positions. | ||||||
| 120 | Microfabricated double-throw relay with multimorph actuator and electrostatic latch mechanism | US10739327 | 2003-12-19 | US20040207498A1 | 2004-10-21 | Daniel J. Hyman; Mark K. Hyman; Peter D. Bogdanoff |
| This invention is a new type of relay that incorporates the functional combination of multimorph actuator elements with electrostatic state holding mechanisms in the development of a micromachined switching device. This combination of elements provides the benefits of high-force multimorph actuators with those of zero-power electrostatic capacitive latching in microfabricated relays with high reliability and low power consumption. The operation of the relay invention allows for several stable states for the device: a passive state using no power, an active state driving the multimorph actuator with some power, and a latched state electrostatically holding the switch state requiring essentially no power. Multimorph actuators covered by this invention include piezoelectric, thermal, and buckling multimorph actuation mechanisms. These devices use one or more sets of actuator armatures in cantilever or fixed-beam configurations, and use one or more sets of electrostatic latch electrodes for state holding. | ||||||
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