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| Number | Title | Issue Date |
| 7189934 | Self-healing liquid contact switch A self-healing liquid contact switch and methods for producing such devices are disclosed. An illustrative self-healing liquid contact switch can include an upper actuating surface and a lower actuating surface each having a number of liquid contact regions thereon ... | 03/13/2007 |
| 7175687 | Advanced erosion-corrosion resistant boride cermets A cermet composition represented by the formula (PQ)(RS) comprising: a ceramic phase (PQ) and binder phase (RS) wherein, P is at least one metal selected from the group consisting of Group IV, Group V, Group VI elements, Q is boride, ... | 02/13/2007 |
| 7175686 | Erosion-corrosion resistant nitride cermets The invention includes a cermet composition represented by the formula (PQ)(RS) comprising: a ceramic phase (PQ) and a binder phase (RS) wherein, P is a metal selected from the group consisting of Si, Mn, Fe, Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, W and mixture... | 02/13/2007 |
| 7012354 | Method and structure for a pusher-mode piezoelectrically actuated liquid metal switch A method and structure for an electrical switch. According to the structure of the present invention, a liquid-filled chamber is housed within a solid material. A plurality of switch contacts within the liquid-filled chamber are coupled to the solid material, while ... | 03/14/2006 |
| 6963038 | Liquid metal contact microrelay Liquid metal microrelays may be made where a contact is formed by constraining a quantity of liquid metal at the end of a contact support suspended over a substrate. Movement of the contact support typically drags the liquid metal along the surface of the substrate ... | 11/08/2005 |
| 6925223 | Pressure actuated optical latching relay A pressure actuated optical relay containing a transparent mirror housing, located at the intersection of two optical paths. A liquid metal slug is moved within a channel passing through the transparent mirror housing by the action of pressure exerted by an actuatio... | 08/02/2005 |
| 6903493 | Inserting-finger liquid metal relay An electrical relay comprising having two wettable electrical contacts supporting a conducting liquid. A non-wettable switch finger is moved between first and second positions between the electrical contacts by action of an actuator. In the first position the switch... | 06/07/2005 |
| 6903490 | Longitudinal mode optical latching relay A piezoelectric optical relay array having one or more array elements. Each array element contains a transparent mirror housing, located at the intersection of two optical paths. A liquid metal slug is moved within a channel passing through the transparent mirror ho... | 06/07/2005 |
| 6822175 | Liquid conductor switch device The switch device includes first and second cavities, a passage extending between the cavities, a conductive liquid located in the passage and movable therein, a conductive path that includes the conductive liquid, an actuating liquid enclosed in each of the first a... | 11/23/2004 |
| 6747223 | Waterproof switch device A switch device includes (a) a switch arranged on a bottom of a recess, and (b) a waterproof sheet adhered at its outer edge to a wall defining the recess, at a certain height to entirely cover the recess therewith. The waterproof sheet has a first area greater than... | 06/08/2004 |
| 5359162 | Shock sensor switch having a liquid conductor A shock sensor comprises a housing defining an interior space. The space includes a cylindrical side surface and an end surface, the surfaces being formed of an electrically conductive material. An insert is positioned in the space and includes an electri... | 10/25/1994 |
| 5021618 | Acceleration responsive switch An acceleration responsive switch, for operating an air bag system installed in an automobile, includes a cylindrical receptacle for containing an electrically conductive liquid such as mercury and an inert gas, a metallic lid having an open end and herme... | 06/04/1991 |
| 4652710 | Mercury switch with non-wettable electrodes A mercury switch device comprising a pool of mercury and a plurality of electrical contacts made of or coated with a non-wettable material such as titanium diboride.... | 03/24/1987 |
| 4471190 | Drawback device controlled by liquid surface tension, a switch incorporating such a device, and its use in magnetic relays A drawback device to ensure the return of a moving part to its original position, after it has been moved away from it by another force. The existing method, involving an elastic mechanical component which acts as a spring, is replaced in this invention b... | 09/11/1984 |
| 4375055 | Device for articulating a moving blade pivoting on its base and a switch which comprises such a device The invention relates to a device for articulating a moving blade pivoting on its base. The mobile member is constituted by a blade fixed to a float, which floats on a liquid contained in a cavity made in a base, the liquid being kept in the cavity by cap... | 02/22/1983 |
| 4348570 | Electric contact device with liquid conductors This electric contact device is a variant of those described in Anizan et al., French Pat. No. 2,385,208. The composite unit formed by the insulating coating and the conducting material form a single insulator-conductor unit. The electrical duct penetrate... | 09/07/1982 |
| 4201900 | Snap action tilt actuated mercury switch A mercury tilt switch is provided with electrodes which during operation are oriented in a vertical plane projecting through an end wall of an elongated insulating envelope. The lower electrode is longer than the other and terminated with a blunt end of a... | 05/06/1980 |
| 4066859 | Mercury wettable contact assembly A switching device comprising a movable blade wetted with a liquid metal, and a stationary blade having a surfacelayer of a non-metallic material which is not wetted by the liquid metal.... | 01/03/1978 |
| 3973095 | Intrusion detector sensitive to resonant frequency of breaking glass An intrusion detector which senses the motion and vibration caused by intrusion comprises a base plate secured to the surface to be protected, and a housing coaxially and rotatably joined to the base plate. Within the housing is disposed a mercury switch ... | 08/03/1976 |
