| |
 |
|
Class Information
Number: 324/125
Name: Electricity: measuring and testing > Measuring, testing, or sensing electricity, per se > Inertia control, instrument damping and vibration damping
Description: Subject matter having means to control the mechanical vibrations which result because of inertia, elasticity, and damping or having means to control vibrations which arise outside or inside the measuring means.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6940621 |
Engraving member |
Sep. 6, 2005 |
| 6500517 |
Shock reducing structure |
Dec. 31, 2002 |
| 6184674 |
Indicating instrument with migration barriers |
Feb. 6, 2001 |
| 5854552 |
Moving magnet indicating instruments with a plurality of damping fluid migration barriers |
Dec. 29, 1998 |
| 5703290 |
Bobbin assembly for a vehicle instrument gauge |
Dec. 30, 1997 |
| 5218291 |
Meter and meter driving system with indication fluctuation suppression and enhancement |
Jun. 8, 1993 |
| 5095266 |
Cross-coil type indicating instrument |
Mar. 10, 1992 |
| 5017862 |
Air-core meter having improved bobbin design |
May. 21, 1991 |
| 4933632 |
Apparatus for ferromagnetic measurements of electrical quantities |
Jun. 12, 1990 |
| 4920311 |
User selection of meter ballistics |
Apr. 24, 1990 |
| 4914384 |
Magnetic gage driver circuit |
Apr. 3, 1990 |
| 4440271 |
Viscous dampening arrangement for taut-band suspension |
Apr. 3, 1984 |
| 4310841 |
Signal handling apparatus |
Jan. 12, 1982 |
| 4286212 |
Variable signal generator for galvanometer exhibiting hysteresis |
Aug. 25, 1981 |
| 4207769 |
Change of angular acceleration sensor |
Jun. 17, 1980 |
| 4182984 |
Magnetic damping assembly with temperature compensator for watthour meters |
Jan. 8, 1980 |
| 4180774 |
Regenerative method and apparatus to control an elastic reset torque in movable apparatus |
Dec. 25, 1979 |
| 4140968 |
Damping of electrical measuring instruments |
Feb. 20, 1979 |
| 4134062 |
Limited rotation instrument rebalance apparatus employing a wiper having vibration damping |
Jan. 9, 1979 |
| 4106498 |
Initialization circuit |
Aug. 15, 1978 |
| 4066958 |
Compensated galvanometer |
Jan. 3, 1978 |
| 4051436 |
Apparatus for and method of measuring polarization potential of a metallic structure |
Sep. 27, 1977 |
| 4030031 |
Magnetic damping system for induction watthour meters |
Jun. 14, 1977 |
| 4016491 |
Single knob rotary control of meter damping and push control of damping override |
Apr. 5, 1977 |
| 4011510 |
Signal-responsive apparatus having magnetic-particle-friction memory |
Mar. 8, 1977 |
| 3999125 |
Peak detector having signal rise-time enhancement |
Dec. 21, 1976 |
| 3983478 |
Moving coil instrument having electrically conductive coil form parts connected to the coil |
Sep. 28, 1976 |
| 3964382 |
Engraving device for a printing form engraving machine |
Jun. 22, 1976 |
| 3962632 |
Rotating disc excess consumption watthour meter with restraining means movably mounted on the disc |
Jun. 8, 1976 |
| 3932809 |
Deflector galvanometer |
Jan. 13, 1976 |
|
|
|
