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Class 338/277 - WITH PROTECTING STRUCTURE SPACED FROM ELEMENT OR TERMINAL


Subclass of Class 338 - Electrical resistors
Definition: Subject matter wherein the resistor includes mechanical
No. of patents: 19
Last issue date: 10/03/2006


NumberTitleIssue Date
5929743Mounting structure for thermistor with positive resistance-to-temperature characteristic
A thermistor with positive resistance-to-temperature characteristic used in a overcurrent protection circuit has electrodes on mutually opposite main surfaces and is mounted to a substrate having electrically conductive members such that deterioration of ...
07/27/1999
5909168PTC conductive polymer devices
A housing contains a PTC element which can be easily inserted and removed. Conductive metal retaining elements of the housing are secured to the base of the housing, and retain the PTC element with a generally planar portion parallel to the electrodes of ...
06/01/1999
5764130Insert molded open air thermal probe with a protective basket
A temperature sensing element packaged in a protected basket by a single insert molding operation. This design does not obstruct the air flow perpendicular to the thermistor thickness, and thus provides enhanced response time....
06/09/1998
5735606Platinum temperature sensor
A platinum temperature sensor showing excellent sensitivity to heat. The sensor comprises an insulating substrate having a support portion at one end of the substrate. A heat-generating portion is formed by a platinum film circuit at the other end of the ...
04/07/1998
5621619All ceramic surface mount sip and dip networks having spacers and solder barriers
A resistor network is disclosed which is suited for surface mount which does not incorporate wire terminations. The network is fabricated entirely from cermet, ceramic, and solder, yet will absorb thermal stresses normally associated with circuitry energi...
04/15/1997
5537286Method of preparing planar PTC circuit protection devices
A method of making a planar polymeric circuit protection device arranges for the current between two electrodes (4, 6) to flow parallel to the surface of a sheet (2) of conductive polymeric material, rather than through its thickness. The resistance and t...
07/16/1996
5184108Conductive corners for surge survival
Conductive material is applied to a resistor to provide controlled shunting of current from localized regions of the resistor that would otherwise destructively fail during surge. Various embodiments are disclosed having varying resistance, dimension and ...
02/02/1993
5140298Ceramic base component packaging assembly
A ceramic base component packaging assembly with high thermal transfer rates. The packaging assembly includes a molded plastic cover that receives spring washers, ceramic pads, resistive elements or other electronic components, and a thermally conductive ...
08/18/1992
5068637Plate-like metal element for electrical resistor grid assembly
For use in a welded resistor grid assembly moving a plurality of generally parallel, relatively think plate-like metal elements disposed between a pair of spaced-apart insulating support members having a plurality of slotted openings in their opposing sid...
11/26/1991
5049852Resistor grid heat dissipating assembly
A heat dissipating resistor grid has a frame including side members carrying blocks or panels of insulating material having cavities in their inner surfaces. The resistor element is a zigzag strip formed from individual flat lengths of resistance material...
09/17/1991
5049851Embossed and lanced resistor structure
A resistor grid for dynamic braking and the like has a fan-folded strip of resistance material mounted in a frame. The strip is embossed longitudinally so as to stiffen it between folds or loops and lanced or slit longitudinally between embossments from f...
09/17/1991
5045831Vertical flight resistor grid
A resistor grid suitable for dynamic braking of diesel electric locomotives includes an upright rectangular frame with top and bottom members of insulating material and a strip of resistance material fan-folded into vertical flights between the top and bo...
09/03/1991
5043696Structure of passive electric connector with BNC terminal plug
A passive electric connector with BNC terminal plug, which includes a metal casing releasably covered with a metal cover board with a BNC terminal plug connected thereto by a chain. The metal casing is integrally formed with four BNC sockets through casti...
08/27/1991
4756885Measuring sensor for determining the oxygen content in gases
A combination of a measuring sensor and protector having a measuring sensor with a housing and having an elongated cup-like protective pipe engaged with the housing. The pipe has a bottom having a convex shape with an inlet opening. The pipe also has at l...
07/12/1988
4550301PTC Circuit protection device
Circuit protection devices comprise a PTC conductive polymer element and means for minimizing the adverse effects of carbonaceous dust evolved by the PTC element when it is tripped. An enclosure encloses, but is spaced apart from, the PTC element. In one ...
10/29/1985
4549161PTC Circuit protection device
Circuit protection devices comprise a PTC conductive polymer element and means for minimizing the adverse effects of carbonaceous dust evolved by the PTC element when it is tripped. An enclosure encloses, but is spaced apart from, the PTC element. In one ...
10/22/1985
4542365PTC Circuit protection device
Circuit protection devices comprise a PTC conductive polymer element and means for minimizing the adverse effects of carbonaceous dust evolved by the PTC element when it is tripped. An enclosure encloses, but is spaced apart from, the PTC element. In one ...
09/17/1985
4481498PTC Circuit protection device
Circuit protection devices comprise a PTC conductive polymer element and means for minimizing the adverse effects of carbonaceous dust evolved by the PTC element when it is tripped. An enclosure encloses, but is spaced apart from, the PTC element. In one ...
11/06/1984
 
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