序号 专利名 申请号 申请日 公开(公告)号 公开(公告)日 发明人
161 Micro-relay and method for manufacturing the same US09254030 1999-02-26 US06407482B2 2002-06-18 Minoru Sakata; Takuya Nakajima; Tomonori Seki; Teruhiko Fujiwara
A thin plate-shaped substrate 21 comprised of a monocrystal is provided with a piezoelectric element 24, and both ends of a movable piece 20 whose one surface is provided with a movable contact 25 are fixed and supported to a base 11. Then, by curving the movable piece 20 via the piezoelectric element 24, the movable contact 25 is brought in and out of contact with a pair of fixed contacts 38 and 39 that face the movable contact. With this arrangement, a subminiature micro-relay having a mechanical contact mechanism that has a small resistance in turning on the contact and the desired vibration resistance, frequency characteristic and insulating property can be obtained.
162 Mems magnetically actuated switches and associated switching arrays US09487976 2000-01-20 US06366186B1 2002-04-02 Edward A. Hill; Ramaswamy Mahadevan
A MEMS electrical cross-point switch is provided that includes a microelectronic substrate, a magnetic element attached to the microelectronic substrate that is free to move in a predetermined direction in response to a magnetic field and an electrical element connected to the magnetic element for movement therewith to selectively switch electric current. In one embodiment the magnetic element and the electrical element are connected via a tethering device that acts as a platform for the magnetic and electrical elements. The electrical cross-point switch may also comprise a clamping element that serves to lock the switch in an open or closed position to circumvent the magnetic actuation of the switch. In another embodiment, the invention provides for a MEMS electrical cross-point switching array that includes a microelectronic substrate, a magnetic field source in circuit with said microelectronic substrate, a plurality of first and second electrical lines disposed on the microelectronic substrate in an array formation, and a plurality of the in-plane MEMS electrical cross-point switches as described above disposed at the cross point of a first and second electrical line. In one embodiment the array is configured in a N×N or N×M array having a series of crossing first and second electrical load lines. In another configuration the array has a series of first electrical load lines that extend radially from a central point of reference and a series of second electrical load lines that extend outward, in spoke-like fashion, from the central point of reference.
163 Bi-stable microswitch including shape memory alloy latch US09885168 2001-06-21 US20020036562A1 2002-03-28 Dinesh Kumar Sood; Ronald Barry Zmood
A bi-stable microswitch (1) including a pair of contacts (6, 7) and an armature (4) movable between a first position and a second position to selectively make or break the pair of contacts, the armature being latched in the second position by a shape memory alloy latch (14), wherein the shape memory alloy latch is caused to deform upon heating so as to permit the armature to return to the first position.
164 Bi-stable microswitch including magnetic latch US09883220 2001-06-19 US20020036555A1 2002-03-28 Dinesh Kumar Sood; Ronald Barry Zmood; Lijiang Qin
A bi-stable microswitch (1) including a pair of contacts (4, 5) and an armature (10,11) movable between a first position and a second position to selectively break or make the pair of contacts, the armature being latched in the second position by a magnetic path including a permanent magnet (3) and a magnetisable element (7) having a first temperature, wherein the armature is resiliently biased towards the first position when latched, and is movable from the second position to the first position upon heating of the magnetisable element to above the first temperature.
165 Method of arranging several relay functions and a multiple relay arrangement configured in accordance with the method US09051108 1998-04-09 US06249420B1 2001-06-19 Sture Roos
A multiple relay arrangement comprises a common fixed part having permanent magnets, a common movable part having permanent magnets, and fixed coils having magnetically actuable movable cores connected to a respective contact means. To establish an electrical contact through the coupling means of the multiple relay arrangement, current is passed through the coil in one direction and through the remaining coils in the opposite direction. In the contact making state, the core will be repelled by the permanent magnet on the fixed part and attracted by the permanent magnet on the movable part. The coupling means connected to the core can then be used to connect together telecommunications conductors for instance. Remaining cores are attracted by the fixed permanent magnets and not moved, although the movable part will be moved away from the fixed part by virtue of the repulsion force acting between the cores and the magnets.
166 Microminiature, monolithic, variable electrical signal processor and apparatus including same US97824 1993-07-27 US5526172A 1996-06-11 Brad Kanack
A microminiature, variable electrical device, such as a capacitor (40a), comprises an elemental DMD SLM (40'), which includes a substrate (43) and a member (145) spaced therefrom and mounted for movement by appropriate facilities (42, 44). A control signal (102) is applied to the movable member (145) to produce an electric field between it and either the substrate (43) or an associated control electrode (46a). The field moves the member (145) toward or away from either the substrate (43) or an associated output electrode (46b) to selectively adjust the spacing therebetween. The field is produced by addressing circuitry (45) associated with the substrate (43). The movable member (145) and either the substrate (43) or the output electrode (46b) function as capacitor plates, and the spacing determines the capacitance thereof. The capacitor (40a) may be placed in series (FIG. 4) or in parallel (FIG. 3) with an input signal (114) applied to the movable member (145). The movable member (145), substrate (43), control electrode (46a), output electrode (46b), addressing circuitry (45), and other elements of the capacitor (40a) comprise a monolithic structure resulting from the use of MOS, CMOS or similar fabrication techniques. Multiple capacitors may be included in transmission lines (FIG. 20), antennae (FIG. 22), couplers (FIG. 21), waveguides FIG. 25) and other apparatus for digital or analog tuning or capacitance adjustment thereof by selective operation of the addressing circuitry (45).
167 Switch actuator for a remote control unit US481791 1983-04-04 US4476449A 1984-10-09 Ronald N. Gray; Ronald G. Davis
An actuator for selectively actuating a circular array of electric switches. The actuator includes a molded plastic rotor part that contains particles of magnetic material. One portion of the rotor is magnetized to provide a permanent magnet that is effective to attract a switch actuating arm that is pivoted to the rotor. Another tubular portion of the rotor is magnetized to provide the rotor of an electric stepper motor. The stepper motor rotates the rotor to various positions. The arm can be attracted by an electromagnet and pivoted to a position in which it operates one of the circular array of switches.
168 Remote control unit US289787 1981-08-03 US4403121A 1983-09-06 Gerald O. Huntzinger; Raymond O. Butler, Jr.; Lewis R. Hetzler; John Delaplane
A plurality of individual electrical load switches each having an operating tab are so mounted and oriented that the operating tabs extend toward a central axis to define a circle substantially normal to the central axis and operate substantially in the direction of the central axis. An operating arm having ends thereof arranged to be brought into register with each operating tab at mutually exclusive angular positions is normally tilt mounted in a first direction upon a rotor that may be positioned in selected ones of a plurality of angular positions by a step motor. Upon one end of the arm being brought into register with a switch operating tab, the arm is tilted in the opposite direction to effect the operation of the operating tab with which the one end thereof is in register to place the corresponding individual electrical load switch in a selected circuit condition.
169 Electric circuit switchgear US015167 1979-02-26 US4281304A 1981-07-28 Vitaly I. Koshman; Vladimir F. Petrichenko; Boris S. Gnilitsky; Vyacheslav G. Mironenko; Pavel V. Kamshitsky
An electric circuit switchgear includes main contacts circumferentially arranged on a fixed panel and auxiliary contacts. The switchgear also includes a rotary electromechanical drive connected with a driving shaft and enabling the latter to be turned through a pre-set angle. The driving shaft is rotated together with an actuating element of an electromagnetic drive provided with a contactor and a disconnector both having at least one projection interacting with the main and auxiliary contacts through contact closing and disconnecting mechanisms having locks.
170 Scanner with reed relays US26403872 1972-06-19 US3812439A 1974-05-21 PARMENTER G
Electrical switching apparatus such as a scanner comprises a plurality of reed relays, each of which has an operating coil, and at least one reed contact unit which is mounted outside the coil, to reduce thermal E.M.F. generation. The reed contact units are mounted on a first printed circuit board, and control respective analogue signals passing through the printed circuit tracks of this first board, while the coils are mounted on, and respectively energised via the printed circuit tracks of, a second printed circuit board parallel to the first board. In this way, interference between the scanned analogue signals and the relay energising signals is reduced.
171 Selector switching mechanism US3521205D 1968-05-09 US3521205A 1970-07-21 VACCARO ANGELO
172 Code-bar controlled coordinated switch US42656965 1965-01-19 US3289127A 1966-11-29 LOWRY TERRELL N
173 Electromagnetic switch mechanism US5358560 1960-08-26 US3218410A 1965-11-16 WALTER ROBER
174 Electric selectors US61275356 1956-09-28 US3024402A 1962-03-06 ADEL ALF F
175 Switching device US35657753 1953-05-21 US2854541A 1958-09-30 WALTER HOPPE
176 Relay circuit US47552054 1954-12-15 US2841748A 1958-07-01 REYNOLDS JR ANDREW C
177 Relay circuit US46554254 1954-10-29 US2820157A 1958-01-14 RIEKE JOHN W
178 Selector switch US49988943 1943-08-25 US2391276A 1945-12-18 SPRAGUE VINTON G
179 Switching mechanism US42047741 1941-11-26 US2320254A 1943-05-25 ATKINS GEORGE E
180 Electric switch US30928439 1939-12-14 US2260901A 1941-10-28 BERNARD HINKS
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