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| Number | Title | Issue Date |
| 7286039 | Chip resistor and method of manufacturing the same A chip resistor is provided which includes a resistor film 5 formed between a pair of terminal electrodes 2 and 3 on an upper surface of an insulating substrate 2. The resistor film is formed with two inward grooves 7, 8 and two tr... | 10/23/2007 |
| 7057819 | High contrast tilting ribbon blazed grating The light modulator includes elongated elements and a support structure coupled to the elongated elements. Each element includes one or more lengthwise slits within an active optical area, and a light reflective planar surface with the light reflective planar surfac... | 06/06/2006 |
| 6917278 | Resistor banks A Resistor bank has first and second supporting member. Held on to the supporting members is a resistor element comprising a strip of resistor material which is bent into a zigzag shape. The strip is continuous and has a non-planar cross section profile. A plurality... | 07/12/2005 |
| 6353707 | Electric heating ribbon with multiple coating sections attached to ribbon An electric heating device includes a flexible resistor ribbon, a plurality of sections of electroconductive coating attached to the resistor ribbon at preset intervals, and connector contacts coupled to the resistor ribbon for enabling connection of a po... | 03/05/2002 |
| 6081183 | Resistor adapted for use in forced ventilation dynamic braking applications A continuous ribbon resistor element having a plurality of conjunctive lengths alternately connected by reflexes is supported in a frame comprised of silicon bonded laminated mica. The ribbon elements are formed with a single, flat convolution center offs... | 06/27/2000 |
| 5928549 | Etched foil heater for low voltage applications requiring uniform heating A serpentine etched foil heater has a segmented serpentine conductor group made up of a plurality of spaced-apart elongated serpentine conductive strips that are connected in parallel and are everywhere aligned with each other. Advantageously, central con... | 07/27/1999 |
| 5304978 | Resistor grid assembly having "U" bend resistor elements A heat dissipating fabricated resistor grid for the dynamic braking of electric motors has a zigzag resistor supported by insulating members within a frame. The zigzag resistor is made up of a plurality of resistor elements formed from sheet metal, each e... | 04/19/1994 |
| 5204799 | Protective arrangement for telecommunications line interface circuit A circuit protection device designed to protect a pair of electrical circuits by fracturing at such time as an overcurrent condition has occurred in a first of the circuits, this novel device comprising a substantially flat substrate of non-conductive, fr... | 04/20/1993 |
| 5034721 | Heating element conveniently formed from flat blank The invention relates to a method of manufacturing a heating element from a flat metal foil blank in which strips (1) are formed whose ends (2) are interconnected by connecting portions (3, 4) with alternate connecting portions disposed at opposite ends o... | 07/23/1991 |
| 4654627 | Resistor grid assembly A grid assembly for converting electrical energy to heat and then dissipating same. A plurality of parallel grid members include outwardly extending legs received in holes provided on mutually facing surfaces on polyester glass insulator members. The grid... | 03/31/1987 |
| 4626667 | Radiant heater of short response time Plastic web to be fed into opposite dies for forming articles must be heated and softened by heater means in front of the forming machine, even if said machine is combined with an extruder supplying said plastic web. The invention provides a radiant heate... | 12/02/1986 |
| 4588976 | Resistors obtained from sheet material These resistors are obtained from conductive sheet material, for example metal sheet material (usually referred to as "grids") in which additional plates are provided in order to distribute the current density and consequently to predetermine the temperat... | 05/13/1986 |
| 4553125 | High voltage resistance element A resistance element capable of withstanding a high voltage is formed through impurity diffusion in a single crystal island of a semiconductor integrated circuit substrate. The resistance element includes a resistive region formed in an exposed surface of... | 11/12/1985 |
| 4516108 | Electrical resistor of stretched sheet metal Electrical resistor of sheet metal, of the type having two U-shaped stiffeners mounted on the edges of the resistor. It is made by cutting a sheet to constitute conductors (6) going from one edge to the other of the resistor, which are connected two by two in ... | 05/07/1985 |
| 4463338 | Electrical network and method for producing the same An electrical network containing at least one electric resistor, includes a support foil and at least one resistance layer coating the support foil forming the at least one electric resistor. The support foil and resistance layer are folded along a zig-za... | 07/31/1984 |
| 4147888 | Electric heating element for electric resistance furnaces An electric heating element for electric resistance furnace comprises a plurality of heater frames which consist of conductive strip material having a sectional shape selected from leg angle-section, channel-section, lip-section, T-section, U-section, V-s... | 04/03/1979 |
