Quotables
"The radio craze will die out in time."
Thomas Edison ; 1922
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7709759 | Contact element and a contact arrangement A contact element for making an electric contact to a contact member for enabling an electric current to flow between the contact element and the contact member includes a body having at least one contact surface thereof coated with a contact layer to be applied aga... | 05/04/2010 |
| 7160632 | Material for sliding contacts, clad composite material and small-sized DC motor using the same The invention provides a material for sliding contacts that is suitable for a small-sized DC motor used in recent downsized CD players and is excellent in durability. A material for sliding contacts used in a commutator of a small-sized DC motor that consists essent... | 01/09/2007 |
| 5853083 | Contact material for a vacuum circuit breaker and a method for manufacturing the same Interrupting and chopping characteristics of a Cu--Cr contact alloy are improved by rounding Cr particles to be spherical in the alloy. The Cr particles are rounded in the alloy by sintering raw Cr powder particles having an average particle diameter of l... | 12/29/1998 |
| 5799771 | Contact with a silver contact base and process for making the same A contact includes a silver contact base, an intermediate silver layer and a solder in the form of a platelet being provisionally fastened or tacked to the intermediate silver layer prior to an actual soldering operation. The silver contact base is solder... | 09/01/1998 |
| 5422451 | Electrical contact element An electrical contact element having a core part made of an iron/nickel alloy and a gold/tin alloy applied to a portion of the core part which serves as a solderable connection part. The gold/tin alloy has a tin content of from about 10 to about 40% by we... | 06/06/1995 |
| 5199553 | Sliding contactor for electric equipment A movable electrical contactor having a surface thereof in slidable contact with a mating conductor, the surface being coated with a composite material in which particles of graphite (C) are dispersed in a matrix of silver (Ag). The coating film is formed... | 04/06/1993 |
| 4695688 | Electrical contact construction An electrical contact assembly includes a contact, a contact support integrally connected to a first surface of the contact, and an insert disposed proximate a second, arc-supporting surface of the contact for stabilizing an electrical arc. In one embodim... | 09/22/1987 |
| 4626282 | Contact material for vacuum circuit breaker Contact material for vacuum circuit breaker according to the present invention contains (1) copper, (2) molybdenum, and (3) niobium or tantalum.... | 12/02/1986 |
| 4342893 | Composite electrical contact and bonding material To permit direct bonding of a composite electric contact-and-bonding material to a carrier, such as a reed, magnetic strip, or the like, by thermo-electric heating, the side of the contact-and-bonding material is formed with projections, preferably projec... | 08/03/1982 |
| 4307360 | Sealed electrical contacts A new type of electrical contact is described which has reduced erosion and sticking failures and has reduced material costs. The electrical contact is particularly suitable for sealed electrical contacts such as in sealed remreed contacts.... | 12/22/1981 |
| 4166201 | Ignition distributor electrode for suppressing radio frequency interference An ignition distributor for an internal combustion engine is provided with a novel rotor electrode which substantially reduces radio frequency interference generated by spark discharges across the rotor gap. At least the tip segment of the rotor electrode... | 08/28/1979 |
| 4141727 | Electrical contact material and method of making the same An electrical contact material comprising silver, bismuth oxide and tin oxide with or without tin metal, wherein the amounts of the bismuth and the tin on the basis of the sum weight of the metals in both the metal component and in the metal oxide compone... | 02/27/1979 |
| 4138604 | Electrical plug-type connector To provide low contact resistance, long life, and resistance against tarnishing under corrosive, particularly sulfur atmospheres, a substrate carrier has a layer of palladium applied thereto, of a thickness between 0.5 and 5 μm, preferably between 1 and ... | 02/06/1979 |
| 4137076 | Electrical contact material of TiC, WC and silver An electrical contact suitable for use in high-current switching or circuit breaking, comprising a mixture of silver or copper with an alloy of tungsten carbide and titanium carbide. The contact material preferably uses from about 10% to about 90% silver ... | 01/30/1979 |
| 4123627 | Keyboard apparatus A switch assembly comprises a deformable electrically insulative substrate with a plurality of grooves formed therein extending in a direction parallel to a given axis. Electrically conductive wires are disposed in the grooves and extend beyond one end of... | 10/31/1978 |
| 4100385 | Electrical terminal, particularly plug-type terminal To reduce costs and permit use of a smaller amount of noble metals in nobel metal contacts, a common metal contact material which forms, in an oxygen-containing atmosphere or in air, non-porous insulating oxides, is coated with a porous noble metal or nob... | 07/11/1978 |
| 4074090 | Distributor rotor electrode having silicon coating for suppressing peaks of capacity discharge current A distributor constructed by providing a silicon coating on a surface of a rotor brush thereof. Only the end surface of the rotor brush is coated, employing an ion-plating coating method.... | 02/14/1978 |
| 4045636 | Keyboard switch assembly having printed circuit board with plural layer exposed contacts and undersurface jumper connections A printed wiring board for a keyboard switch assembly for electronic apparatus, such as electronic calculators, comprising a self-supporting insulative board having a plurality of elongated connectors on one surface thereof, at least some of the conductor... | 08/30/1977 |
| 4028514 | High current vacuum circuit interrupter with beryllium contact A vacuum-type circuit interrupter rated to interrupt currents of 30,000 amperes r.m.s. and highercomprises a pair of separable contacts having arcing portions between which arcs are formed upon disengagement of said contacts. These arcing portions are of ... | 06/07/1977 |
