Did You Know...
...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
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| Number | Title | Issue Date |
| 7859372 | Methods and apparatus for reducing bounce between relay contacts A relay assembly includes a coil and a stationary contact having a first contact surface. At least a portion of the first contact surface defines a wiping contact surface. The relay assembly also includes a movable contact having a second contact surface defining a ... | 12/28/2010 |
| 7616082 | Electromagnetic relay The electromagnetic relay of the present invention comprises a base (10), an electromagnet (20) disposed on the base, an armature (30) supported rotatably by the base, a movable spring (40) whose one end has a movable contact (41) ... | 11/10/2009 |
| 7477119 | Electromagnetic relay An electromagnetic relay includes an electromagnetic unit operable so as to generate a magnetic field perpendicular to a bottom wall of a housing when excited such that an actuating plate pivots from a releasing position to a pushing position, where a magnetically-a... | 01/13/2009 |
| 7358839 | Heavy duty relay with resilient normally-open contact A heavy duty relay can safely switch a current of 40 A to 1 kA. The heavy duty relay is provided with a changeover spring which can be resiliently deflected by means of a switching force and with a normally-open contact, against which a contact point of the changeov... | 04/15/2008 |
| 7315229 | Electromagnetic relay Provided is an electromagnetic relay which does not require a braided wire for securing a current capacity of a main contact unit. The electromagnetic relay includes a main contact unit inserted into a power supply path to a load and an arc contact unit connected in... | 01/01/2008 |
| 7307499 | High-frequency relay A high-frequency relay includes: a base block having fixed terminals insert-molded to expose fixed contacts; an electromagnetic block mounted on the base block and for rotating a movable iron piece due to excitation and demagnetization; and movable blocks interlocki... | 12/11/2007 |
| 7286030 | Electromagnetic relay The present invention relates to an electromagnetic relay comprising: a base comprising at least one printed circuit card, which card has at least two conductor tracks forming respective switch accesses; at least o... | 10/23/2007 |
| 7283027 | Electric switching device, relay, socket and electric apparatuses comprising such a device Switching device comprising a contact block having a fixed part connected to at least one electric terminal and having at least one electric contact zone able to be in contact with a contact zone of a movable part, an actuating device enabling the movable part to be... | 10/16/2007 |
| 7283026 | Electromagnetic relay An electromagnetic relay including a base, an electromagnet fitted to the base, and a contact section operable to open or close with an operation of the electromagnet. The base includes a retaining face firstly contacting with the yoke of the electromagnet, in an ac... | 10/16/2007 |
| 7262950 | Relay device having holding current stabilizing and limiting circuit A relay device includes plural relay units, each having a coil for opening/closing a contact point, a base plate made of resin and having wiring metal pieces, and a control circuit mounted on the base plate for controlling current supply to the coil. The control cir... | 08/28/2007 |
| 7210970 | Circuit breaker with improved connector socket A shouldered connector pin socket (14) is shown having an open channel (14a) formed in the face surface of a wall member of a circuit breaker housing. An electrically conductive spring member (16, 16′) is received over the channel and i... | 05/01/2007 |
| 7205870 | Electromagnetic relay An electromagnetic relay having a moving contact plate and fixed contact plates juxtaposed with one another on a base. A moving iron plate is rotated during magnetization/demagnetization of a coil block put on the base to reciprocate a card in a horizontal direction... | 04/17/2007 |
| 7186120 | Automotive relay and electrical connector box An automotive relay and electrical connector box in which relays provided in the connector box do not include an integrated resistor, but provide for the attachment of a resistor only when a relay is connected to a circuit requiring resistance. When a common relay w... | 03/06/2007 |
| 7135946 | Electromagnetic relay having at least one relay actuator and a receptacle for relay actuators A double relay is described which has two relay actuators which are inserted into a common receptacle. Each relay actuator has a first fixed contact and a movable contact. Arranged on the receptacle are two second fixed contacts, in each case a second fixed contact ... | 11/14/2006 |
| 7116193 | Electromagnetic relay A relay is provided that has a base, connecting elements, a magnet system with a coil, a core arranged within the coil, an L-shaped yoke, and a plate-shaped armature, wherein the axis of the coil extends parallel to the first yoke leg, and a second yoke leg is conne... | 10/03/2006 |
| 7109832 | Relay In one embodiment, a method for reducing signal noise in a relay having pass-through and attenuator circuits which are alternately closed by operation of an armature assembly of the relay is disclosed. In accordance with the method, the armature assembly is provided... | 09/19/2006 |
| 7106154 | Electromagnetic relay An electromagnetic relay including a base having a first receptacle, a second receptacle and a partition wall defining the first and second receptacles on mutually opposite sides of the partition wall. The partition wall includes a major part and an auxiliary part, ... | 09/12/2006 |
| 7091805 | Electromagnetic relay An electromagnetic relay has a mobile contact point attached to a contact member, a fixed contact point, a contact point spring that applies a biasing force on the contact member towards the fixed contact point, a guide that carries the contact member and said conta... | 08/15/2006 |
| 7061351 | Complex relay device A complex relay device has at least one bus bar base plate, two relay units, and a relay case. The bus bar base plate has multiple bus bars that have ends providing terminals and are formed in predetermined circuit patterns. The bus bars are integrated and covered w... | 06/13/2006 |
| 7061350 | Electromagnetic relay with a triple contact bridge The invention relates to an electromagnetic relay with an electromagnetic coil for exciting a magnetic field and an iron circuit for guiding the magnetic field, wherein the electromagnetic coil surrounds at least part of the iron circuit and the iron circuit compris... | 06/13/2006 |
| 7053738 | Relay and process for producing a relay A relay and a process for producing a relay are described, three contact pins being provided for the relay. The three contact pins are preferably manufactured from a stamping and are fixed together as a contact stamping with respect to a yoke through insertion into ... | 05/30/2006 |
| 7046109 | Multi-contact type relay by electromagnet The present invention relates to a multi-contact type relay in which power is supplied to a load through a BCM (Body Control Module) in accordance with a switching signal from an integration switch, and two coils provided in a relay are selectively activated in acco... | 05/16/2006 |
| 7046107 | Contact device Each movable contact 15 is given a first force by a drive mechanism along a direction for bringing the movable contact into contact with a fixed contact 5 and given a second force through a leg 14b by deformation of a supporting member | 05/16/2006 |
| 7026562 | Protected switch and techniques to manufacture the same Briefly, micromechanical system (MEMS) switches that utilize protective layers to protect electrical contact points. ... | 04/11/2006 |
| 7012492 | Contact construction for DC loads and switching device having the contact construction A contact construction and switching device for DC loads that can be repeatedly used while minimizing problems such as cut-off failure, locking and deposition due to an abnormal continuation of an arc between the contacts, burning and destruction of the contacts, an... | 03/14/2006 |
| 6995639 | Electromagnetic relay An electromagnetic relay which is short in length and capable of maintaining a required insulation distance is disclosed. A first coil terminal connecting with one of extension lines of a coil is disposed in the vicinity of one end of a movable iron fragment and a c... | 02/07/2006 |
| 6960971 | Microelectro mechanical system switch Provided is a microelectro mechanical system (MEMS). The provided MEMS switch includes a substrate; a signal line formed on the substrate; a beam deformed by an electrostatic force to electrically switch with the signal line; and a spring type contact unit formed on... | 11/01/2005 |
| 6940375 | Electromagnetic relay An electromagnetic relay makes it difficult for deformation due to impact force to easily occur even when bending work is applied to a contact plate. A coil block is put on a base and a moving contact plate and fixed contact plates are so juxtaposed as to oppose one... | 09/06/2005 |
| 6924719 | Electromagnetic relay An electromagnetic relay, which reduces power consumption in a coil block and causes an indicator to operate smoothly, is provided. A coil block and a contact switching mechanism are provided on a base plate, a case is covered over the base plate, the coil block is ... | 08/02/2005 |
| 6914503 | Electromagnetic relay An electromagnetic relay having superior visibility and a light-emitting device easy to mount. A coil block and a contact opening and closing mechanism are disposed on a base plate and covered with a case, and the electromagnetic relay magnetizes and demagnetizes th... | 07/05/2005 |
| 6903638 | Complex electromagnetic relay A complex electromagnetic relay including a plurality of relay structures configured respectively as relays independent of each other, each relay structure including an electromagnet assembly and a contact section acting to open or close in accordance with an operat... | 06/07/2005 |
| 6903639 | Electromagnetic relay An electromagnetic relay prevents appropriately invasion of a sealant. A coil block 3 produced by winding a coil 29 on a core 27 through a spool 28 and connecting the coil 29 to coil terminals 42 disposed at flanges 28 | 06/07/2005 |
| 6903637 | Connecting member, a micro-switch, a method for manufacturing a connecting member, and a method for manufacturing a micro-switch The micro-switch couples electrically a first terminal to a second terminal. The micro-switch includes: a first supporting member where the first terminal is provided; a moving unit where the second terminal corresponding to the first terminal is provided; a driving... | 06/07/2005 |
| 6873232 | Miniaturizable electromagnetic relay An electromagnetic relay has three fixed contact terminal assemblies arrayed in a row at regular intervals, and a movable contact spring assembly having three movable contacts. An armature is caused to swing by turning on and off an exciting current to a coil assemb... | 03/29/2005 |
| 6861932 | Electromagnetic relay An electromagnetic relay for high frequency signal switching is provided. The electromagnetic relay has a small size, high isolation characteristics, and small loss. Fixed terminals are supported by the sides of a base composed of a dielectric material and having an... | 03/01/2005 |
| 6853275 | Electromagnetic relay The present invention provides an electromagnetic relay that has a long service life, even when being used for interrupting high voltage, and that can be miniaturized. In this electromagnetic relay, the circuit interruption is cut-off by two or more keying circuits,... | 02/08/2005 |
| 6853273 | Relay Disclosed herein is a relay having a first circuit, a second circuit, a ground, an electro-magnetic actuator assembly, and an armature assembly. The armature assembly is movable between first and second positions with respect to the first and second circuits, and is... | 02/08/2005 |
| 6841839 | Microrelays and microrelay fabrication and operating methods Microrelays and microrelay fabrication and operating methods providing a microrelay actuator positively controllable between a switch closed position and a switch open position. The microrelays are a five terminal device, two terminals forming the switch contacts, o... | 01/11/2005 |
| 6831533 | Electromagnetic relay The present invention provides an electromagnetic relay that has a long service life, even when being used for interrupting high voltage, and that can be miniaturized. In this electromagnetic relay, the circuit interruption is cut-off by two or more keying circuits,... | 12/14/2004 |
| 6816044 | Electrical switching element An electrical switching element comprising a housing having an elongated base. An electrical coil is wrapped around a yoke and arranged in the housing such that a center axis of the electrical coil is positioned parallel to the elongated base of the housing. An arma... | 11/09/2004 |
