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