Electrical resistors inventions 09/06

20060208847 - Electric device with phase change material and parallel heater: The electric device (1, 100) has a body (2, 102) having a resistor (7, 107) comprising a phase change material being changeable between a first phase and a second phase. The resistor (7, 107) has a first electrical resistance when the phase change material is in the first phase and...

20060208848 - Method of producing temperature sensor and mounting same to a circuit board: Temperature sensors are produced by first producing temperature sensing elements each having electrodes on its mutually oppositely facing main surfaces, next forming a lead frame comprising a linearly elongated base part and a plurality of pairs of planar lead parts extending perpendicularly from said base part, twisting each of these...

20060208849 - Signal level switching circuit: A signal level switching circuit is provided with input resistors 2a and 2b connected between input terminals 1a and 1b of a signal and output terminals 5a and 5b used to be connected to a reception circuit 6; a switch circuit 3 which has been constituted by a plurality of...

20060202791 - Resettable over-current protection device and method for producing the like: A resettable power surge protector and a method for producing the like are described. The method prepares a laminated body with separation groves in an alternating manner for defining chip devices, provides two end terminals attached to the laminated body, and arranges two insulative sheets covering the uppermost and lowermost...

20060202792 - Thermal variable resistance device with protective sheath: A sensor and method of manufacturing a variable resistance sensor with a protective sheath that is cost effective and highly reliable, with stable resistance with an operating range of up to 1700° C. in hostile environments. The sheath is formed of highly stable dispersion hardened materials capable of withstanding mechanical...

20060202793 - Image sensor device and manufacturing method of the same: A metal exposing portion (12) exposed from a surface of a base (2) between an internal terminal portion (8) and an external terminal portion (9) is formed in a metal wiring (7) embedded in the base (2). Accordingly, in a case where a solder ball is not mounted on the...

20060202794 - Resettable over-current protection device and method for producing the same: A resettable over-current protection device has a laminated body with a conductive polymeric sheet laminated by upper and lower electrode sheets, two end terminals wrapping lateral sides of the curved sidewalls of the laminated body, and two insulative sheets covering upper and lower surfaces of the laminated body and filled...

20060197648 - Surface mount electrical resistor with thermally conductive, electrically insulative filler and method for using same: An electrical resistor is provided with a resistive element and terminations extending from opposite ends of the resistive element. The terminations are folded under the resistive element, with a thermally conductive and electrically insulative filler being sandwiched and bonded between the resistive element and the terminations. The terminations provide for...

20060197649 - Resistance hybrid, and voltage detection and constant voltage generating circuits incorporating such resistance hybrid: A resistance hybrid is disclosed including m+1 unit resistors connected in series, to further be connected in series between two resistance elements, one Rbottom and the other Rtop. Each unit resistor SBn includes an error correction resistance element Rldn and a set resistance element RTn connected in series, and further...

20060197648 - Surface mount electrical resistor with thermally conductive, electrically insulative filler and method for using same: An electrical resistor is provided with a resistive element and terminations extending from opposite ends of the resistive element. The terminations are folded under the resistive element, with a thermally conductive and electrically insulative filler being sandwiched and bonded between the resistive element and the terminations. The terminations provide for...

20060197649 - Resistance hybrid, and voltage detection and constant voltage generating circuits incorporating such resistance hybrid: A resistance hybrid is disclosed including m+1 unit resistors connected in series, to further be connected in series between two resistance elements, one Rbottom and the other Rtop. Each unit resistor SBn includes an error correction resistance element Rldn and a set resistance element RTn connected in series, and further...