| Patents for G01R 9 - Instruments employing mechanical resonance (38) |
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| 01/13/2015 | US8931346 Vibration type measuring transducer and measuring system formed therewith |
| 09/23/2014 | US8843330 Characterizing the response of a computer system component to vibrations |
| 08/26/2014 | US8816708 Electronic test system and associated method |
| 01/01/2014 | CN103487704A Switch with line fault diagnostic function |
| 08/22/2013 | US20130218498 Method of Interrogation of a Differential Sensor of Acoustic Type Having Two Resonances and Device Implementing the Method of Interrogation |
| 04/03/2013 | EP2575205A1 Method and system for diagnosing the internal state of a battery by acoustic emission |
| 12/05/2012 | CN202583267U Integrated loudspeaker module |
| 11/15/2011 | US8060328 Method and apparatus for quantitating surface-binding optical resonance profiles |
| 08/10/2011 | CN102150050A Combination AC/DC peak detector and signal type discriminator |
| 02/24/2011 | WO2010123332A3 Data communication using 2d bar codes |
| 10/28/2010 | WO2010123332A2 Data communication using 2d bar codes |
| 10/28/2010 | CA2759800A1 Data communication using 2d bar codes |
| 01/14/2010 | WO2010006092A1 Combination ac/dc peak detector and signal type discriminator |
| 01/14/2010 | CA2731529A1 Combination ac/dc peak detector and signal type discriminator |
| 10/13/2009 | US7602198 Accuracy enhancing mechanism and method for current measuring apparatus |
| 07/31/2008 | US20080180329 Antenna with stripline splitter circuit |
| 02/21/2008 | WO2008022358A1 Magnetic field detector |
| 10/02/2007 | US7276892 Resonator based spectrum analyzer and method |
| 03/22/2005 | US6868730 Methods and apparatus for measuring flexural wave and/or flexural vibration using a magnetostrictive sensor |
| 05/13/2004 | US20040089072 Methods and apparatus for measuring flexural wave and/or flexural vibration using a magnetostrictive sensor |
| 12/03/2002 | US6489776 Non-contact mechanical resonance method for determining the near surface carrier mobility in conductors |
| 12/30/1998 | CN2302520Y Reversed flow type on-site voltage-measuring apparatus for high-voltage construction |
| 01/14/1997 | US5594331 Microelectromechanical powerline monitoring apparatus |
| 12/19/1996 | WO1996041202A1 Microelectromechanical powerline monitoring apparatus |
| 02/16/1993 | US5187565 Liquid sealed semiconductor device and method of assembling the same |
| 12/04/1990 | US4974918 Device with oscillating mirrors for deviating electromagnetic beams |
| 07/05/1989 | EP0323378A2 Oscillating mirror arrangement for the deviation of electromagnetic radiation |
| 05/11/1988 | CN87212136U Single signal crosstalk tester of carrier telephone |
| 01/19/1988 | CA1231549A1 Passive interferometric sensor arrays |
| 12/30/1986 | US4632551 Passive sampling interferometric sensor arrays |
| 12/27/1985 | EP0165671A2 Passive sampling interferometric sensor arrays |
| 06/20/1984 | EP0007954B1 Quantity converting and indicating apparatus |
| 06/22/1982 | US4336447 Converter of meter-gauge readings |
| 05/13/1980 | US4203068 Sodium perobrate, thiourea, sodium hydroxide, soidum silicate |
| 02/20/1980 | EP0007954A1 Quantity converting and indicating apparatus |
| 05/31/1979 | WO1979000293A1 Quantity converting and indicating apparatus |
| 05/18/1976 | US3958235 Light emitting diode display apparatus and system |
| 01/13/1976 | US3932809 Deflector galvanometer |