Patents for G01R 1 - Details of instruments or arrangements of the types covered by groups or (27,269) |
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04/14/1992 | US5103557 Making and testing an integrated circuit using high density probe points |
04/09/1992 | DE4029667A1 Electrode to monitor brake fluid condition - is used in motor vehicles and has external and internal electrodes forming condenser |
04/08/1992 | CN2101241U Ship used meter |
04/07/1992 | US5103165 Insulated, hand-held non-contacting voltage detection probe |
04/07/1992 | US5102470 Germanium-silicon alloy |
04/01/1992 | EP0477821A2 Electronic module handling device for an automatic test apparatus |
03/31/1992 | US5101149 Modifiable IC board |
03/24/1992 | US5099201 Stripline test adapter |
03/19/1992 | WO1991019201A3 System and method for monitoring and analyzing energy characteristics |
03/18/1992 | EP0475614A2 Probe contact with small amplitude vibration for bed of nails testing |
03/18/1992 | EP0475050A2 Flexible tape probe |
03/18/1992 | CN2099318U Twist-proof test pen |
03/12/1992 | WO1992004637A1 Functional at speed test system for integrated circuits on undiced wafers |
03/12/1992 | CA2091442A1 Functional at speed test system for integrated circuits on undiced wafers |
03/11/1992 | CN1059407A Method and electrical measuring apparatus for analyzing impedance of source of actual alternating voltage |
03/10/1992 | US5095266 Cross-coil type indicating instrument |
03/10/1992 | US5094975 Conductive crystals epitaxially grown in square holes |
03/05/1992 | WO1992003741A1 Spring contact field component for wiring/printed circuit board testing device |
03/05/1992 | DE4027805A1 Portable multimeter with rotary measurement range selector - has rim which extends towards edges of face for ease of operation by thumb of one hand |
03/04/1992 | EP0286660B1 Method and configuration for testing electronic circuits and integrated circuit chips using a removable overlay layer |
03/04/1992 | CN2098037U Special-purpose 15 v contravariant power supply block for avometer |
03/03/1992 | US5092789 Electrical connector for ZIF PGA test socket |
03/03/1992 | US5092774 Mechanically compliant high frequency electrical connector |
02/26/1992 | EP0471830A1 Electrical connector for test rig. |
02/25/1992 | US5091694 Quartz probe apparatus |
02/25/1992 | US5091693 Dual-sided test head having floating contact surfaces |
02/25/1992 | US5091692 Probing test device |
02/25/1992 | US5090118 High performance test head and method of making |
02/20/1992 | DE4037333C1 Adaptor coupling passive components to measuring and test devices - has two=part component receptor between two similar contacting parts, one fixed, other movable horizontally |
02/20/1992 | DE4025857A1 Measurement arrangement for electrical components on carrier - has sprung metal yoke contacts holding component carrier on contact block |
02/19/1992 | EP0471350A2 Measuring electrode |
02/19/1992 | CN2096764U Simulated ac. voltmeter |
02/19/1992 | CN2096762U Electric pen |
02/19/1992 | CN1015578B Electrode water circulation and processing system and hooded radiator for water rheostat |
02/18/1992 | WO1992003743A1 Method and electrical measuring apparatus for analyzing the impedance of the source of an actual alternating voltage |
02/18/1992 | US5089772 Device for testing semiconductor integrated circuits and method of testing the same |
02/18/1992 | US5088190 Method of forming an apparatus for burn in testing of integrated circuit chip |
02/15/1992 | CA2049076A1 Measuring electrode |
02/12/1992 | EP0470521A2 Measurement of semiconductor parameters at cryogenic temperatures using a spring contact probe |
02/12/1992 | EP0470303A1 Test chambers |
02/12/1992 | EP0470118A1 Testing device for testing electrical or electronic test specimens. |
02/12/1992 | CN2096072U Household plug type micro ac voltage meter |
02/11/1992 | US5087878 Top-accessible system, and related methods, for simultaneously testing the opposite sides of printed circuit board |
02/11/1992 | US5087877 Test contact fixture using flexible circuit tape |
02/05/1992 | EP0469808A1 Screened indicating instrument |
02/05/1992 | EP0469638A2 A power detector comprising a thin film conductor |
02/05/1992 | EP0469634A1 Pulse phase adjusting circuit for use with an electrostatic capacitor type sensor |
02/04/1992 | US5086270 Probe apparatus |
02/04/1992 | US5086269 Burn-in process and apparatus |
02/04/1992 | US5086268 Measuring mount for microwave components |
02/04/1992 | CA1295368C Short-wire bed-of-nails test fixture |
01/30/1992 | DE4023614A1 Measurement resistance or shunt for current measuring - has inductive components in measurement and auxiliary paths for frequency independent measurement |
01/29/1992 | EP0468906A2 Device testing system with cable pivot |
01/29/1992 | EP0468491A2 Method for checking parts to be measured |
01/29/1992 | EP0468153A1 Device for contacting elements for testing |
01/29/1992 | CN2094748U High-sensitivity voltagemeter |
01/29/1992 | CN1058309A Composite admittance device |
01/28/1992 | US5084673 Electric contact probe |
01/28/1992 | US5084672 Multi-point probe assembly for testing electronic device |
01/28/1992 | US5084671 Electric probing-test machine having a cooling system |
01/28/1992 | US5084670 Electrical appliance with an improved battery compartment |
01/28/1992 | CA1295023C Current ratio device |
01/23/1992 | WO1992001233A1 Method and apparatus for resistance measurements on a semiconductor element |
01/22/1992 | CN2094063U Safety protection of watt-hour meters |
01/21/1992 | US5083081 Current sensor for an electronic trip device |
01/15/1992 | CN2093399U Pen shape avometer |
01/14/1992 | US5081415 Load board insertion system |
01/14/1992 | US5081412 Current conduction probe circuit |
01/14/1992 | CA1294373C Printed circuit board testing using non-touching plasma contacting |
01/14/1992 | CA1294335C Cmos voltage divider circuits |
01/09/1992 | DE4024082C1 Contact holder for plug and socket connection - has pressure plunger and spring ensuring contact for testing electrical circuits of motor vehicle |
01/08/1992 | EP0465017A1 Integrated circuit test fixture and method |
01/08/1992 | EP0464074A1 Plug contact arrangement |
01/08/1992 | CN1057719A Test device for electric circuits on boards |
01/07/1992 | US5079509 Scale for a measuring instrument |
01/07/1992 | US5079508 Electric power meter adjustment and indication method and apparatus |
01/02/1992 | EP0463684A1 Test device for electric circuits on boards |
01/02/1992 | EP0263154B1 Multimeter |
12/27/1991 | EP0462944A1 Universal multicontact connection between an EWS probe card and a test card of a "test-on-wafer" station |
12/27/1991 | EP0462706A1 Contact assembly |
12/26/1991 | WO1991019455A1 Shield for use in mri examinations |
12/24/1991 | US5075630 Variable inverted microstrip coax test fixture |
12/24/1991 | US5075621 Capacitor power probe |
12/18/1991 | EP0461391A1 Electrical test probe having integral strain relief and ground connection |
12/18/1991 | CN2090990U Nonlinear resistor type safety barrier |
12/17/1991 | US5073117 For providing electrical connection to integrated circuit die |
12/17/1991 | CA1293336C Test fixture for tab circuits and devices |
12/12/1991 | WO1991019392A1 Test fixture alignment system |
12/12/1991 | WO1991019305A1 A method and a shield for shielding a current transformer as well as a current transformer including such a shield |
12/12/1991 | WO1991019201A2 System and method for monitoring and analyzing energy characteristics |
12/12/1991 | CA2043795A1 Contact assembly |
12/11/1991 | EP0460911A2 Electrical probe with contact force protection |
12/10/1991 | US5072177 Product carrier with extended port interface |
12/05/1991 | DE4017559A1 Electrical signal measurement appts. - has electro-optical crystal next to conductor exposed to constant laser light, polarisation analyser, streak camera or sampling oscilloscope |
12/04/1991 | EP0459908A1 Connector for coaxial cable |
12/03/1991 | US5069629 Electrical interconnect contact system |
11/27/1991 | EP0458448A2 An adapter and test fixture for an integrated circuit device package |
11/27/1991 | EP0458280A2 Printed circuit board inspection apparatus |
11/27/1991 | EP0458255A2 Polarimetric directional field sensor |
11/26/1991 | US5068636 Current shunting |