| Patents for G01R 1 - Details of instruments or arrangements of the types covered by groups or (27,269) |
|---|
| 07/26/1977 | US4038599 High density wafer contacting and test system |
| 07/12/1977 | US4035723 Probe arm |
| 07/12/1977 | US4035722 Multiprobe head for checking electrical parameters of semiconductor instruments and microcircuits |
| 07/05/1977 | US4034293 Micro-circuit test probe |
| 07/05/1977 | US4034290 Electrical meter assembly having displaced meter and socket terminals |
| 06/14/1977 | US4030030 Probe assembly for an electric meter |
| 06/07/1977 | US4028621 Portable automotive test probe |
| 06/07/1977 | US4027935 Contact for an electrical contactor assembly |
| 05/31/1977 | US4027240 Protected voltage meter |
| 05/17/1977 | US4024472 Meter construction |
| 05/17/1977 | US4024471 Meter and amplifier circuit for measuring AC and DC signals |
| 05/03/1977 | US4021732 Convertible electric tester for use with a flashlight and including a jack plug with tubular shunt |
| 04/19/1977 | US4019137 Moving coil type instrument |
| 04/19/1977 | US4019049 Photoelectric transducing unit and system for detecting the sharpness of the image of object by means of the unit |
| 04/05/1977 | US4016491 Single knob rotary control of meter damping and push control of damping override |
| 03/15/1977 | US4012099 Zero insertion force socket |
| 03/15/1977 | US4012097 Combined test clip and component extraction tool |
| 03/08/1977 | US4011510 Signal-responsive apparatus having magnetic-particle-friction memory |
| 01/25/1977 | US4005380 Clip-on inductive pulse pick-up |
| 01/25/1977 | US4004843 Probe pin |
| 01/11/1977 | US4002978 Moving-coil electrical instruments with radially spaced annular air-gaps |
| 01/11/1977 | US4002972 Electric vehicle control analyzer |
| 01/04/1977 | US4001685 Micro-circuit test probe |
| 01/04/1977 | US4001684 Current measuring shunt |
| 01/04/1977 | US4001679 Wedge action electrical test probe |
| 12/28/1976 | US4000462 Fault indicator circuit |
| 12/21/1976 | US3999126 Test device for simultaneously displaying the level of logic signals in a plurality of circuits |
| 12/14/1976 | US3997840 Panel meter with adapter cover |
| 12/14/1976 | US3996880 Field strength meter |
| 12/14/1976 | US3996804 Method for remotely determining the dynamic imbalance of and for changing the spin rate and center of gravity of a spinning body |
| 12/07/1976 | US3996517 Apparatus for wafer probing having surface level sensing |
| 12/07/1976 | US3996516 Apparatus and process for testing printed circuits |
| 12/07/1976 | US3996511 Electrical wire continuity testing gun |
| 11/30/1976 | US3995175 High impedance voltage probe |
| 11/23/1976 | US3993951 Alternating current meter circuit |
| 11/16/1976 | US3992073 Multi-conductor probe |
| 11/16/1976 | US3991628 Level meter for sound signals |
| 10/26/1976 | US3988690 Amplifier circuit having a floating input stage |
| 10/26/1976 | US3988644 Current protection circuit |
| 10/05/1976 | US3984798 Hotstick applicator for fault indicator cores |
| 10/05/1976 | US3984620 Integrated circuit chip test and assembly package |
| 09/28/1976 | US3983478 Moving coil instrument having electrically conductive coil form parts connected to the coil |
| 09/07/1976 | US3979671 Test fixture for use in a high speed electronic semiconductor chip test system |
| 09/07/1976 | US3979642 Electronic protective circuit |
| 08/17/1976 | US3975680 Non-contact coupling plate for circuit board tester |
| 08/10/1976 | US3974445 Portable kilovoltmeter |
| 07/20/1976 | US3970979 Limited rotation motor with velocity sensing system |
| 07/20/1976 | US3970934 Printed circuit board testing means |
| 07/20/1976 | US3970930 Current meter |
| 07/13/1976 | US3969666 Universal impedance test load |
| 07/06/1976 | US3968467 Touch controlled voltage-divider device |
| 07/06/1976 | US3968433 Fixture for testing flatpack modules |
| 06/15/1976 | US3963986 Programmable interface contactor structure |
| 06/15/1976 | US3963985 Probe device having probe heads and method of adjusting distances between probe heads |
| 06/08/1976 | US3962633 Long-scale meter movement having a one-piece outer pole and return ring, and a demountable subassembly therein comprising magnet, central core, moving coil and support frame |
| 06/08/1976 | US3962550 Joint seals for electromagnetic wave shields |
| 04/27/1976 | US3953797 Electronic equipment assembly comprising plug-in modules and test bars |
| 04/27/1976 | US3952410 Probe card including a multiplicity of probe contacts and method of making |
| 04/20/1976 | US3952249 Edgewise meter assembly |
| 03/23/1976 | US3946280 Overload protection circuit |
| 03/16/1976 | US3944922 Resistivity measuring heads |
| 03/16/1976 | US3944915 Test connector with electrically conductive hook for testing electrical circuits of highway vehicles |
| 03/09/1976 | US3943441 Tamper-resistant electrical meter housing |
| 02/17/1976 | US3939414 Micro-circuit test apparatus |
| 02/03/1976 | US3936743 High speed precision chuck assembly |
| 01/27/1976 | US3934326 Electric meter installing device |
| 01/20/1976 | US3934195 Portable electric capacitor tester using an LED indicator |
| 01/13/1976 | US3932810 Temperature compensated combined current and voltage measuring apparatus |
| 01/06/1976 | US3930809 Assembly fixture for fixed point probe card |