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Class Information
Number: 324/602
Name: Electricity: measuring and testing > Impedance, admittance or other quantities representative of electrical stimulus/response relationships > With auxiliary means to condition stimulus/response signals
Description: Subject matter including other than measuring or testing means to prepare or process the stimulus/response signal to influence or improve the quality of the measuring or testing.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7463826 |
Apparatus for measuring response time and method of measuring of response time using the same |
Dec. 9, 2008 |
| 7285964 |
Method for signal extraction in a universal sensor IC |
Oct. 23, 2007 |
| 6941233 |
Arrangements to detect and respond to disturbances in electrical power systems |
Sep. 6, 2005 |
| 6911812 |
Method and apparatus for measuring frequency pulling in oscillators |
Jun. 28, 2005 |
| 6788071 |
Method and apparatus for generating a voltage across a membrane |
Sep. 7, 2004 |
| 6657455 |
Predictive, adaptive power supply for an integrated circuit under test |
Dec. 2, 2003 |
| 6647780 |
Slow wave structure sensor with zero-based frequency output |
Nov. 18, 2003 |
| 6448754 |
BIST method for testing cut-off frequency of low-pass filters |
Sep. 10, 2002 |
| 6313647 |
Technique for measuring resistivity |
Nov. 6, 2001 |
| 6262634 |
Phase-locked loop with built-in self-test of phase margin and loop gain |
Jul. 17, 2001 |
| 6255829 |
Apparatus for function testing of sensors in high voltage devices |
Jul. 3, 2001 |
| 6177802 |
System and method for detecting defects in an interlayer dielectric of a semiconductor device using the hall-effect |
Jan. 23, 2001 |
| 6166551 |
Method for monitoring the state of microcrystalline change of solid materials |
Dec. 26, 2000 |
| 6011398 |
Current-leakage tester |
Jan. 4, 2000 |
| 5999002 |
Contact check for remote sensed measurement |
Dec. 7, 1999 |
| 5896033 |
Method and device for electronic compensation of electrical disturbance signals and use thereof |
Apr. 20, 1999 |
| 5745368 |
Method for voltage stability analysis of power systems |
Apr. 28, 1998 |
| 5689192 |
Method for simulating a controlled voltage for testing circuits for electromagnetic susceptibility |
Nov. 18, 1997 |
| 5625343 |
Device for determining and/or monitoring a predetermined filling level |
Apr. 29, 1997 |
| 5610526 |
Contact hazard meter having a human equivalent circuit |
Mar. 11, 1997 |
| 5519327 |
Pulse circuit using a transmission line |
May. 21, 1996 |
| 5444644 |
Auto-configured instrumentation interface |
Aug. 22, 1995 |
| 5317273 |
Hearing protection device evaluation apparatus |
May. 31, 1994 |
| 5304919 |
Electronic constant current and current pulse signal generator for nuclear instrumentation testing |
Apr. 19, 1994 |
| 5073758 |
Resistance measurement in an active and high temperature environment |
Dec. 17, 1991 |
| 5030919 |
Zero impedance switch |
Jul. 9, 1991 |
| 4682099 |
Logarithmic potentiometer circuit |
Jul. 21, 1987 |
| 4652811 |
Method for measuring liquid content in a porous medium such as soil |
Mar. 24, 1987 |
| 4495458 |
Termination for high impedance attenuator |
Jan. 22, 1985 |
| 4494065 |
Electric capacity measurement of erratically shorted capacitors |
Jan. 15, 1985 |
| 4493651 |
Statistical teaching apparatus |
Jan. 15, 1985 |
| 4246535 |
Design method for linear amplifier |
Jan. 20, 1981 |
| 4134063 |
Apparatus for the time-dependent measurement of physical quantities |
Jan. 9, 1979 |
| 4088949 |
Batteryless ohmmeter |
May. 9, 1978 |
| 4028507 |
Apparatus for applying particular voltages to three-terminal circuits and measuring resulting current flows for the purpose of determining circuit characteristics |
Jun. 7, 1977 |
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