| Patents for G01R 29 - Arrangements for measuring or indicating electric quantities not covered by groups (11,937) |
|---|
| 11/16/1976 | US3992670 Frequency control circuits such as for use in modulation measurement |
| 11/16/1976 | US3992666 Technique for detecting energy and determining the frequency of constituent energy components |
| 11/16/1976 | US3992664 Method for measuring parameters of quartz crystal unit and a non-reactive constant resistance element for carrying out the same |
| 11/09/1976 | US3991324 Dial pulse detector |
| 10/19/1976 | US3987422 System for detecting signal quality of a phase-modulated wave |
| 09/21/1976 | US3981440 Digital signal detector |
| 09/14/1976 | US3980960 Signal width and width ratio determining apparatus |
| 08/31/1976 | US3978283 Switching arrangement for receiving dc signals |
| 08/24/1976 | US3976970 Process and device for analizing and validating signals usable in warning systems for road-signs |
| 08/24/1976 | US3976919 Phase sequence detector for three-phase AC power system |
| 08/17/1976 | US3975678 Crystal ranging apparatus for determining range within which resonant frequency of crystal lies |
| 07/20/1976 | US3970944 Pulse suppressing circuit arrangements and equipment incorporating the same |
| 07/20/1976 | US3970897 Detector and apparatus incorporating the same for detecting phase-asymmetry and protecting three-phase motors against dangerous operating conditions |
| 07/06/1976 | US3968432 Remote voltage sensor for power system regulation |
| 06/22/1976 | US3965425 Electromagnetic radiation source locator |
| 06/22/1976 | US3965417 Coherent component magnitude detector |
| 06/15/1976 | US3963982 Apparatus for measuring the resonant frequency and coefficient of coupling of a plurality of coupled piezoelectric resonators |
| 06/01/1976 | US3961271 Pulse width and amplitude screening circuit |
| 06/01/1976 | US3961260 Apparatus and method for testing the condition of an antenna monitoring system |
| 05/18/1976 | US3958235 Light emitting diode display apparatus and system |
| 05/18/1976 | US3958161 Method of controlling the polarization condition of transducers |
| 05/18/1976 | US3958133 Digital noise discriminator |
| 05/11/1976 | US3956616 Method and apparatus for generating a statistical basis |
| 05/04/1976 | US3954015 Method of determining piezoelectric constants of ceramic rings |
| 04/27/1976 | US3953860 Charge amplitude detection for ink jet system printer |
| 04/20/1976 | US3952246 Plasma digital density determining device |
| 03/30/1976 | US3947770 Broadband omnidirectional RF field intensity indicating device |
| 03/16/1976 | US3944852 Electrical switching device and modulator using same |
| 03/16/1976 | US3944354 Voltage measurement apparatus |
| 03/09/1976 | US3943435 Transformer having improved voltage and phase characteristics |
| 03/02/1976 | US3942101 Method for locating and evaluating geothermal sources of energy by sensing electrostatic voltage gradients |
| 02/24/1976 | US3940700 Method and installation for the detection of a source generating electro-magnetic oscillations |
| 02/17/1976 | US3939479 Wavefront flattener |
| 02/03/1976 | US3936727 High speed control of reactive power for voltage stabilization in electric power systems |
| 01/27/1976 | US3935532 Automatic zeroing electrometer |
| 01/27/1976 | US3935531 Electrometer with low voltage indicator |
| 01/06/1976 | US3931573 Radiation detector |