Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 7116210 | Actuator with integral position sensor An actuator and integral position sensor has increased reliability with a fail-safe mode. The actuator and sensor assembly includes a rotary actuator that has a driving shaft. A sensor rotor has the driving shaft mounted in a bore. A contactor is mounted to an outer... | 10/03/2006 |
| 7002114 | Methods and apparatus for a variable resistor configured to compensate for non-linearities in a heating element circuit An improved variable resistor at least partially compensates for non-linearities in an electrical circuit containing a heating element, for example, a thin-film heating element. A controllable heater includes a heating element, a voltage source (for example, a stand... | 02/21/2006 |
| 6918316 | Adjustable pedal assembly An adjustable pedal assembly includes a mounting arrangement (1) for attachment to a vehicle structure (37), an accelerator pedal (6), a brake pedal (7), and a clutch pedal (8). The pedals (6, 7, 8) are pivotally supported w... | 07/19/2005 |
| 6639508 | Electrical switch device and process for manufacturing same An electrical switch device includes a thick film switch element having a low temperature co-fired dielectric substrate, electrical conductor tracks embedded in the substrate and having a surface substantially flush with the substrate surface, and wiper c... | 10/28/2003 |
| 6239688 | Variable resistor in which an electrode connected to a resistor can not be required There is provided a variable resistor comprised of a resistor formed at a movable member arranged to be reciprocatable, and a slider element attached to a fixing member fixed in opposition to the movable member, slidingly contacted with the resistor. The ... | 05/29/2001 |
| 6130600 | Variable resistor A variable resistor includes a circuit board having a conductive layer and a plurality of impedance layers arranged under the conductive layer, a slide having a metal contact plate movably mounted over the conductive layer and the impedance layers, wherei... | 10/10/2000 |
| 6052049 | Flexible film with a non-tensioned electrical circuit mounted thereon A flexible element for use in a rotary position sensor or the like having the direction of electrical traces on one surface of the element altered without putting the traces into tension. The directional change is accomplished by partially splitting the f... | 04/18/2000 |
| 6025772 | Potentiometer A resistor card for a potentiometer to measure the fuel in a fuel tank consists of a non-conductive substrate with a plurality of elongate conductive contacts deposited. The contacts have an elevation above the surface of the substrate and the contacts ar... | 02/15/2000 |
| 5323137 | Potentiometer The potentiometer includes a ground terminal 1, a power terminal 2, a resistive element 4 provided between the ground terminal 1 and the power terminal 2, a sliding portion 18 for sliding on the resistive element 4, an output terminal 3 for obtaining the ... | 06/21/1994 |
| 5291176 | Slide type variable resistor A variable resistor includes a first resistor having linear resistance or attenuation characteristic, a second resistor disposed along the first resistor and having the linear resistance or attenuation characteristic, and a slider for bridging the first a... | 03/01/1994 |
| 4651122 | Miniature electro-mechanical transducer for measuring loads and displacement A miniature electro-mechanical transducer uses a body of elastomeric material composed of alternate layers of flexible dielectric material and flexible conductive material. The ends of the layers form opposite surfaces. An actuating member moves against o... | 03/17/1987 |
| 4495524 | Part for a slide variable resistor A part for a slide variable resistor provided on an insulated support thereof with a film resistive layer adapted for a slide terminal to be slid along the surface thereof, which part is characterized in that said film resistive layer comprises a main res... | 01/22/1985 |
| 4435691 | Dual track resistor element having nonlinear output A variable resistor element (10) comprises two thick film resistance layers or tracks (12, 14; 40, 50) electrically insulated one from another and on an insulating substrate (11). The thick film resistance layers (40, 50) may consist of the same resistanc... | 03/06/1984 |
| 4200857 | Variable resistor A variable resistor suitable for use in the tone control of a stereo tape player or the like has two resistance bodies formed on an insulating substrate plate so as to oppose one another. Under one of the resistance bodies is formed a lead conductor, thro... | 04/29/1980 |
| 4081781 | Strip potentiometer An elongated tape fabricated of an electrically insulative material has a pair of strips which run therealong, these two strips being joined together at one end thereof but not at the other, to form an open loop. The strips are fabricated of an electrical... | 03/28/1978 |
| 4039916 | Device for precluding a collision between a mobile object and a fixed or mobile obstacle The device precludes a collision between a mobile object moving in a predetermined path and a second object in the same path. It comprises a sensor carried by the mobile object which cooperates with a fixed tape disposed along the path. The tape carries a... | 08/02/1977 |
| 4010439 | Planetary potentiometer assembly Multiple resistance elements are mounted in parallel pairs around the inside curved wall of the assembly housing. Multiple cylindrical contacts in a planetary arrangement are rotated by a friction drive surface mounted on the control shaft. Each cylindric... | 03/01/1977 |
