序号 专利名 申请号 申请日 公开(公告)号 公开(公告)日 发明人
141 Reed switch glass tube US13979391 2011-11-30 US09458057B2 2016-10-04 Ryota Mashima; Masahiro Kobayashi; Ken Kashiwadani
A reed switch glass tube is capable of preventing, for example, chipping and cracking of end parts thereof by forming a compressive stress layer having a length (A) from an end face within a range of 0.1 mm to 0.6 mm on an outer circumference surface of the end part of the glass tube.
142 Encapsulated Reed Relay US14222007 2014-03-21 US20140312997A1 2014-10-23 Graham Dale
A method of manufacturing a surface-mount encapsulated reed relay comprises providing metal lead-frame having conductors for connecting the relay to a circuit and insert-moulding a plastics material plate to the lead-frame so that the conductors extend through the plate and are bonded thereto. Unwanted lead-frame parts are cut away on at least one side of the plate, leaving the conductors exposed for the connection thereto of a reed relay capsule and operating coil, whereafter a housing is fitted to the plate so as to embrace the reed relay capsule and operating coil. A soft elastomeric material is injected into a space defined by the plate and the housing to encapsulate the relay capsule and the operating coil, and then any remaining unwanted lead-frame parts are cut away such that the conductors are exposed on the other side of the plate, to allow those exposed conductors to be formed to lie in a common plane substantially parallel to or co-planar with a face of the encapsulated reed relay which face will in use lie against a circuit board. In an alternative method, two plates are insert-moulded to the lead-frame in a spaced-apart disposition, a U-shaped housing co-operating with the plates to form an enclosure for the relay capsule and coil.
143 Reed relay having conductive bushing and offset current canceling method therewith US10886252 2004-07-07 US20050088264A1 2005-04-28 Yukoh Iwasaki
The heat-induced current that flows from the bushing on the outside into the electrostatic shield tube is recirculated to the conductive bushing by dividing the bushings into inside and outside insulating bushings in a concentric circle and a conductive bushing sandwiched by these insulating bushings with respect to the heat-induced current that flows as a result of the heat that has been transmitted from the coil bobbin to the electrostatic shield tube, and connecting the electrostatic shield tube and conductive bushing with a separate conductive member.
144 Surface mount molded relay package and method of manufacturing same US10249001 2003-03-07 US06683518B2 2004-01-27 James J. Motta
The electromechanical device of the present invention is a low profile reed switch package for surface mounting on a printed circuit board. The reed device package includes a reed switch with two signal terminals emanating from opposing sides thereof. A leadframe is employed with signal conductors and ground conductors. The signal conductors are respectively attached to each of the signal terminals. A ground shield surrounds the body of the reed switch. The ground conductors are connected to the ground shield on a first side of the reed switch with the signal conductor on one side of the reed switch being positioned between the two ground conductors. Another pair of ground conductors are connected to the ground shield on the other side of the switch and are similarly positioned with the other signal conductor positioned therebetween. The reed switch device is overmolded with encapsulation material with the exception of the free ends of the signal and ground conductors which receive solder balls thereon for surface mount installation to a circuit board. After encapsulation, excess portions of the leadframe are trimmed away.
145 Inverted board mounted electromechanical device US10023176 2002-04-23 USRE38381E1 2004-01-13 Mark E. Martich
A new board mounted electromechanical device is provided that mounts to a relay substrate to form a low profile reed relay. The reed relay is electrically connected to the electrical contacts via a signal traces and additional electrical traces located on the same side of the relay substrate which connect to the relay's signal and shielding. Additional traces on both sides of the signal traces of the reed relay provide a co-planar wave guide to maintain the desired impedance of the signal path. The reed relay is mounted in an inverted manner into a cut-out in the main circuit board so that the other portion of the reed relay itself is sits within the cut-out in the main circuit board. As a result, the reed relay component is recessed below the surface of the main circuit board resulting in an overall low profile circuit board.
146 Lead-less surface mount reed relay US10391217 2003-03-18 US20030234709A1 2003-12-25 John Beigel; Gunther Samuel; John Boyington JR.
A reed relay or reed sensor device that is substantially lead-less and has minimal inductance can be manufactured as an individual unit or as a plurality of units. The reed relay or reed sensor device comprises a substrate that has a plurality contacts on the exterior of the device connected to contacts on the interior of the device capable of maintaining a signal pathway to the internal components of the device. The internal components further comprise a reed switch, an electrical shield, a coil bobbin, and a coil of electrical wire which when energized is capable of effectuating switching in the reed relay.
147 High-insulated stud and printed circuit board therewith US09891803 2001-06-26 US20010054511A1 2001-12-27 Minoru Uchida; Hiroyuki Shimizu; Kiyoshi Chikamatsu
A high-insulated stud comprises a first columnar conductive terminal of a first height, a second columnar conductive terminal of a second height lower than the height of the first conductive terminal that is placed in a row with and at a distance from the first conductive terminal, an insulating pedestal, and a first groove open at the top and a second groove intersecting the first groove and shallower than the first groove at the top of the first conductive terminal and a third groove open at the top, which is parallel with the first groove and whose bottom face is almost the same height as the bottom face of the first groove, at the top of the second conductive terminal.
148 Inverted board mounted electromechanical device US09833867 2001-04-12 US06294971B1 2001-09-25 Mark E. Martich
A new board mounted electromechanical device is provided that mounts to a relay substrate to form a low profile reed relay. The reed relay is electrically connected to the electrical contacts via a signal traces and additional electrical traces located on the same side of the relay substrate which connect to the relay's signal and shielding. Additional traces on both sides of the signal traces of the reed relay provide a co-planar wave guide to maintain the desired impedance of the signal path. The reed relay is mounted in an inverted manner into a cut-out in the main circuit board so that the other portion of the reed relay itself is sits within the cut-out in the main circuit board. As a result, the reed relay component is recessed below the surface of the main circuit board resulting in an overall low profile circuit board.
149 Electromechanical switching device package with controlled impedance environment US266978 1999-03-12 US6052045A 2000-04-18 Mark E. Martich
A reed switch package is disclosed that includes a reed switch with at least one electrical signal path. A cylindrical ground shield is provided about the reed switch. Ground terminals are connected to opposing sides of the ground shield so that the ground terminals are on opposing sides of the signal terminal and lie in the same plane. The reed switch resides on a support substrate. An electrically conductive signal via extends through said main body and connects to the signal terminal. Ground vias extend through the main body and respectively connect to the ground terminals. The grounds vias are on opposing sides of the signal via and lie in the same plane as the signal via. The signal and ground via exit at the bottom of the main body and are connected to a circuit via solder balls to provide a compact surface mount package with a controlled impedance environment.
150 Method of manufacturing an electromagnetic relay US813824 1997-03-06 US6041489A 2000-03-28 Lucas Neven
A method for fabricating a reed relay which includes a magnetically actuated switch and a bobbin. The switch defines an exterior surface and includes two terminals, and the switch provides a relatively low electrical resistance path between the two terminals when closed and provides a relatively high electrical resistance path between the two terminals when open. The bobbin defines an interior surface and an exterior surface, and the bobbin is disposed around the switch so that the bobbin interior surface contacts substantially all of a predetermined portion of the switch exterior surface.
151 Method of establishing a relay contact arrangement US367657 1995-01-03 US5570072A 1996-10-29 George King
A method of establishing a contact arrangement for a reed switch. The method increases the number of contact surfaces between the armature and the fixed contact by providing the fixed contact with a contact end that has multiple prongs and positions the armature and the fixed contact so that the prongs surround the armature. The method also adjusts the armature and the fixed contact so that there are prongs that contact the armature when the armature moves from the rest position during switch operation and prongs that provide additional multi-planar contact surfaces for the armature in the event that the armature and the fixed contact prematurely separate during switch operation.
152 Dual shielded relay reed pack US446896 1995-05-17 US5559482A 1996-09-24 Robert R. Close; William Knauer
A reed relay is provided with two shields. The shields are fabricated from copper foil and insulated from each other by polyester tape or film. One shield is connected to one lead of a switching element and the other shield is connected to another lead of a switching element. The shields are wrapped around the switching element in an overlapping manner. The dual shield configuration reduces leakage and interference to improve performance, particularly in low current applications.
153 Single-pole magnetic reed relay US283186 1994-08-03 US5438307A 1995-08-01 Tien-Ming Chou
A single-pole magnetic reed relay includes a coil reel which has an axially extending reel portion, two opposite stop ends, a reed receiving groove extending axially in the reel portion and the stop ends, a reed entrance extending axially in the reel portion and the stop ends and communicated with the reed receiving groove in a radial direction, two extension portions formed outwardly of the stop ends, two first holes formed respectively and radially through the stop ends, and two second holes formed respectively and radially through the extension portions. The first and second holes are aligned axially with one another. Two coil terminals extend respectively through the first holes and have head portions positioned within the first holes. A reed contact unit is received in the reed receiving groove and has two conducting end portions which extend respectively through the second holes. A coil is wound around the reel portion and the reed contact unit and has two distal ends connected respectively and directly to the coil terminals. A case is used to contain and encapsulate the coil reel, the coil terminals, the reed contact unit and the coil by means of a resin.
154 Reed relay and switch matrix device using the same US951718 1992-09-25 US5252936A 1993-10-12 Hideyuki Norimatsu
A switching operation for connection between plural measuring devices and plural DUTs is easily performed with a matrix of reed relays and connecting switches. The reed relay has a first guard pipe provided so as to cover a region extending from one end of the reed switch to the position adjacent to the contact point. A second guard pipe is provided so as to cover a region extending from the other end of the reed switch to a portion where the first guard pipe starts. When the reed relay is closed, and the first and second guard pipes are kept at the same potential as the signal line of the reed relay. On the other hand, when the reed relay is open, the guard connecting switch is also open. In this open switch case, the voltage at both terminals of the reed relay is ordinarily different. The signal lines of the reed switch at the measuring device side and the DUT side are respectively guarded by the first and second guard pipes.
155 Surface mount receptacle for leaded components US569312 1990-08-20 US5128834A 1992-07-07 Kevin D. Kaschke
A leaded electrical component 101 for surface mount applications having a receptacle 107 attached to the component 101 which renders the resultant assembly 127 capable of mounting to the top surface of the substrate 129. The top of the receptacle 111 provides an opaque, smooth surface enabling the assembly to be picked up and placed using automatic equipment with a vision system. The bottom of the receptacle 113 rests on the top surface of the substrate 129 to provide stability for the surface mount assembly 127. The receptacle 107 captures the component 101 in a secure position. The captured component 101 provides a specific orientation until the leads 109 are coupled to the substrate.
156 Reed relay and method of assembly US881697 1978-02-27 US4177439A 1979-12-04 Philip N. Smith
A reed relay wherein a glass-enclosed switch is inserted into a hollow bobbin and a hinged tab is swung upwardly to provide a support shoulder for a lead projecting through the large opening of the bobbin. A housing has an internal shoulder at each end, the shoulders being engageable respectively with a preformed shoulder at one end of the bobbin and the shoulder provided by the hinged tab at the other end of the bobbin to clamp the leads between the bobbin and the housing. During assembly the hinged tab is forced upwardly by tooling which also provides a support about which the switch leads are bent through an angle of 90.degree..
157 Printed wiring card mountable reed relay US689880 1976-05-25 US4063205A 1977-12-13 Sigitas Miknaitis
An improved magnetic latching reed relay construction includes a hollow bobbin having an integrally formed flange and a base portion on each end. The bobbin is formed in one piece from a thermoplastic material. At least one reed switch is disposed within the bobbin. Mechanical support and electrical connections to the reed switch are provided by terminals disposed through each base portion so that they extend above the base portions. A plurality of terminals disposed through each base portion extend downwards therefrom to provide electrical connections to control coils wound about the bobbin.
158 Coaxial 2-of-n relay transfer switch having reed contacts US688889 1976-05-21 US4044319A 1977-08-23 Siegfried Seinecke
A coaxial 2-of-n relay transfer switch has reed contacts arranged in electrically conductive, non-magnetic tubes. The reed contacts (reed switches) are arranged in two groups of n reed switches in each group in a star configuration with the reed switches of each group forming the edges of a pyramid. One end of each reed switch of a group is connected to the like end of the other reed switches of that group to form a first branching point to a respective coaxial input line. The other end of each reed switch is connected to a like end of a reed switch in the other group to form a respective second branching point to a respective coaxial output line. Each of the first branching points is encased in a metallic head and the metallic heads and the tubes are constructed with interior walls which provide added inductance between the inner conductor of the respective coaxial input line and the first branching points, on one hand, and, on the other hand, between the first branching points and the contacts of the reed switches of the groups.
159 Electromagnetic switch US587530 1975-06-16 US3996541A 1976-12-07 Sadayuki Mitsuhashi; Kazutoshi Wakamatsu
An electromagnetic switch assembly having a structure adapted for integral formation of component parts and for reduction in size and production cost, including an insulating base plate having at least one through hole formed therein to serve as a cell for relay contacts. An integrated type switching device can be realized with a matrix array of such through holes and electromagnetic relays associated therewith, the relay contacts being mounted on the base plate through the medium of two groups of conductive layers formed on the opposite surfaces of the base plate and extending along the lines and rows of contact cells, respectively.
160 Magnetically actuated sealed contact US41798473 1973-11-21 US3868611A 1975-02-25 MECKLENBURG WOLFGANG; LEICHT ALFRED; HOFFMANN WALTER; PFEIL HANS DIETER; ISERT INGO RUDIGER; BUTTEL HELMUT; BRAUNSCHWEIG RICHARD; SMITH PHILIP JOHN
A sealed contact for use in electromechanical relays has a flat base plate consisting of an annular outer member and a discshaped inner member joined together by means of a glass seal. A hood-shaped cover containing an armature holding spring and attached armature is sealed to the outer member of the base. The uniformly flat base and cover allow the contact to be used in a wide variety of electromechanical relays.
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