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Class Information
Number: 333/148
Name: Wave transmission lines and networks > Coupling networks > Delay lines including elastic bulk wave propagation means > Including magnetostrictive transducers
Description: Subject matter wherein the conversion of electrical to mechanical energy or the conversion of mechanical to electrical energy is dependent on the magnetostrictive effect.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7612554 |
Bipolar interrogation for magnetostrictive transducers |
Nov. 3, 2009 |
| 7598732 |
Circuit and method for generating a current pulse in a waveguide |
Oct. 6, 2009 |
| 7515019 |
Non-contact position sensor with sonic waveguide |
Apr. 7, 2009 |
| 7479957 |
System and method for scalable portrait video |
Jan. 20, 2009 |
| 7466124 |
Magnetostrictive transmitter with improved piezoelectric sensor |
Dec. 16, 2008 |
| 7292025 |
Bipolar interrogation for magnetostrictive transducers |
Nov. 6, 2007 |
| 6919779 |
Folded magnetostrictive wave guide |
Jul. 19, 2005 |
| 6667672 |
Compact high power analog electrically controlled phase shifter |
Dec. 23, 2003 |
| 6630873 |
Magnetostatic wave filter |
Oct. 7, 2003 |
| 6356165 |
Magnetostatic wave devices for high frequency signal processing |
Mar. 12, 2002 |
| 6320479 |
Magnetostrictive surface acoustic wave devices having optimized transducers |
Nov. 20, 2001 |
| 6194091 |
Magnetostatic wave device |
Feb. 27, 2001 |
| 6028495 |
Magnetostatic-wave device |
Feb. 22, 2000 |
| 5985472 |
Magnetostatic wave device |
Nov. 16, 1999 |
| 5821743 |
Magnetostrictive waveguide position measurement apparatus with piezoceramic element |
Oct. 13, 1998 |
| 5747986 |
Array sensors based on the magnetrostrictive delay line technique |
May. 5, 1998 |
| 5680041 |
Magnetostrictive position measurement apparatus with anti-reflection waveguide terminals |
Oct. 21, 1997 |
| 5601935 |
Surface magnetostatic wave device |
Feb. 11, 1997 |
| 5583433 |
Apparatus for measuring length using ultrasonic delay line and matching a phase of drive pulse with reflected pulse |
Dec. 10, 1996 |
| 5545984 |
Damping device for sonic waveguides |
Aug. 13, 1996 |
| 5473245 |
Magnetostrictive linear displacement transmitter having improved piezoelectric sensor |
Dec. 5, 1995 |
| 5412316 |
Magnetostrictive linear position detector with axial coil torsional strain transducer |
May. 2, 1995 |
| 5307516 |
Magnetostatic wave S/N enhancer and receiving apparatus of FM or PM signal using the same |
Apr. 26, 1994 |
| 5198297 |
Magnetostatic-wave chip and device comprising a rare earth iron-based oxide garnet |
Mar. 30, 1993 |
| 5136884 |
Magnetic sight gage sensor |
Aug. 11, 1992 |
| 5070737 |
Transducer which determines a position of an object by modifying differential pulses |
Dec. 10, 1991 |
| 5050430 |
Magnetostrictive linear position detector with temperature sensors |
Sep. 24, 1991 |
| 5043685 |
Threshold compensating detector for magnetostrictive transducer |
Aug. 27, 1991 |
| 5017867 |
Magnetostrictive linear position detector with reflection termination |
May. 21, 1991 |
| 4958332 |
Damping device for sonic waveguides |
Sep. 18, 1990 |
| 4952873 |
Compact head, signal enhancing magnetostrictive transducer |
Aug. 28, 1990 |
| 4943773 |
Magnetostrictive linear displacement transducer having preselected zero crossing detector |
Jul. 24, 1990 |
| 4939457 |
Flexible tube sonic waveguide for determining liquid level |
Jul. 3, 1990 |
| 4926116 |
Wide band large dynamic range current sensor and method of current detection using same |
May. 15, 1990 |
| 4924711 |
Force transducers for use in arrays |
May. 15, 1990 |
| 4912478 |
Signal time delay magnetostatic spin wave device for phased array antennas |
Mar. 27, 1990 |
| 4839590 |
Piezoelectric actuator for magnetostrictive linear displacement measuring device |
Jun. 13, 1989 |
| 4803427 |
Precision measuring gauge having sonic delay line with free-standing mode converter armature |
Feb. 7, 1989 |
| 4763030 |
Magnetomechanical energy conversion |
Aug. 9, 1988 |
| 4734870 |
Position coordinate determination device with diagonal delay line |
Mar. 29, 1988 |
| 4714904 |
Magnetostatic wave device unit |
Dec. 22, 1987 |
| 4678993 |
Distance measuring device operating with torsional ultrasonic waves detected without mode conversion |
Jul. 7, 1987 |
| 4675682 |
Magnetostatic delay line with improved delay linearity |
Jun. 23, 1987 |
| 4605911 |
Magnetic bias and delay linearity in a magnetostatic wave delay line |
Aug. 12, 1986 |
| 4554519 |
Magnetostatic wave delay line |
Nov. 19, 1985 |
| 4482784 |
Position determination device |
Nov. 13, 1984 |
| 4465986 |
Magnetostatic wave device |
Aug. 14, 1984 |
| 4395686 |
Attenuation of higher order width modes in magnetostatic wave devices |
Jul. 26, 1983 |
| 4344068 |
Coding schemes for acoustic delay line data collection system |
Aug. 10, 1982 |
| 4314214 |
Magnetostatic-wave device comprising a conducting strip exchange structure |
Feb. 2, 1982 |
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