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7615985 |
Probe for measuring characteristics of an excitation current of a plasma, and associated plasma reactor
A probe for measuring electrical characteristics of an excitation current of a plasma is provided. The probe is mounted on a conductive line that includes an inner conductor and an outer conductor....
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7602170 |
Probe, manufacturing method of the probe, recording apparatus, and reproducing apparatus
A probe ( 100 ) is provided with: a support member having a through-hole in at least one portion thereof; a projection standing on the support member with its tip facing a medium; and a conductive...
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7514943 |
Coordinate transforming apparatus for electrical signal connection
Vertical contactors regularly arrayed over a film is brought into vertical contact with the end faces of wiring terminals formed at one end of a flexible flat cable, and signal lines from a...
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7439727 |
Interlocking electrical test probes
A pair of interlocking electrical test probes, each probe having an interlocking end which mates or can be easily joined together with the other's end such that the pair of test probes can be...
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7439726 |
Electrical measuring instrument having detachable current clamp probe
A current clamp meter having a current meter body and a detachable current clamp. The current meter body and the current clamp are configured so that the current clamp is detachable from the...
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7304618 |
Remote display for portable meter
A remote display is provided for use with a portable meter, such as a portable meter used for obtaining electrical measurements. The remote display can optionally be mounted to an extremity of a...
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7102345 |
Portable VI probe
A portable voltage and current (VI) probe including voltage and current probes, a clamshell assembly, and insulation sections for attachment to at least one transmission line. A stripper tool...
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7057473 |
Electromagnetic broadside energy probe with integral impedance matching
In an exemplary embodiment of the present invention, a probe for sampling electromagnetic energy in a circuit is provided. The probe includes a mating portion for mating, in a broadside...
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7015709 |
Ultra-broadband differential voltage probes
Passive balanced probes are disclosed for use with a signal analysis device. The probes are very low cost relative to typical commercially available probes and provide an extremely flat response...
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7010849 |
Methods for manufacturing a resistor-pin assembly of a voltage probe
A pin having a voltage probe pin-head is provided. The pin includes a pin-head having a substantially flat surface at one end and a pin-head tip at an opposing end, the substantially flat surface...
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7009377 |
Cartridge system for a probing head for an electrical test probe
A cartridge system includes a main probing head body with electronics positioned therein. Further, the cartridge system includes a probing tip cartridge having a probing tip. A minimally inductive...
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6998836 |
Low loss integration of wafer probes with microwave tuners
This invention relates to the reduction of insertion losses and by consequence maximization of reflection factors for on-wafer load pull testing of high power or low noise transistor chips, using...
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6977493 |
Electrical power probe for testing and supplying power to electrical wiring and devices
An electrical power probe is provided. In one aspect, an electrical power probe includes a power probe control unit adapted to connect to a direct current (DC) power source and receive an input...
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6972686 |
Radiated field detector
A testing device is operative to sense or monitor a radiated field emitted by an igniter for heating equipment such as an oil burner and to indicate the detection corresponding to a normal...
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6967473 |
Attachable/detachable variable spacing probing tip system
An attachable/detachable variable spacing probing tip system has a housing that receives pivoting probing arms. Each probing arm has a support member and a probing arm portion of a flexible...
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6956448 |
Electromagnetic energy probe with integral impedance matching
In an exemplary embodiment of the present invention, a probe for sampling electromagnetic energy in a circuit is provided. The probe includes a mating portion for mating with a electromagnetic...
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6940270 |
Hand mounted testing meter
A hand held testing meter is provided which allows the meter to be viewed and securely supported on the user's hand, while the user's fingers are free to hold and manipulate test instruments. An...
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6864761 |
Distributed capacitive/resistive electronic device
A distributed capacitive/resistive electronic device. An electronic device is described which includes a dielectric substrate, a first resistive component, a second resistive component, and a...
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6864694 |
Voltage probe
A voltage probe includes a signal lead that is configured to be soldered to a probing location in a device that is to be probed by the voltage probe, and a first cable that is coupled to the signal...
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6856126 |
Differential voltage probe
A voltage probe includes a first signal lead configured to receive a first signal from a device under test, a first probe-tip network that is coupled to the first signal lead and that has a...
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6831452 |
Systems and methods for wideband single-end probing of variabily spaced probe points
Systems and methods for wideband single-end probing of variably spaced probe points are provided. One such embodiment includes a probe housing. The probe housing at least partially surrounds a...
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6828768 |
Systems and methods for wideband differential probing of variably spaced probe points
Systems and methods for wideband differential probing of variably spaced probe points are provided. One such embodiment includes a probe housing at least partially surrounding a first probe barrel...
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6756799 |
Multi-meter test lead system
A multi-meter test lead system has a probe having a pointed distal end and a proximal end couplable to supplemental electronic components. An outer sleeve has a distal end with a semi-cylindrical...
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6753676 |
RF test probe
An inexpensive RF test probe provides consistent monitoring of an RF signal while having minimal effect on the circuit under test. In one embodiment, an RF test probe comprises a return conductor...
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6731104 |
Measurement probe system with EOS/ESD protection
A measurement probing system has a measurement probe having a housing, spring loaded coaxial probe assembly and a pressure sensor that generates a resistive activation signal in response to...
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6720759 |
Micro-tools
A micro tool set is described in which all of the tools are formed from stock no larger than 1.0 mm in diameter. Each tool is laser machined from stock no larger than 1.0 micron in diameter....
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6704670 |
Systems and methods for wideband active probing of devices and circuits in operation
Systems and methods for wideband active probing of devices and circuits in operation are provided. One such embodiment includes a probe amplifier housing that at least partially contains a probe...
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6617864 |
High frequency probe for examining electric characteristics of devices
A probe whose characteristic impedance can be accurately adjusted to a desired value with the production of a small number of prototypes. The probe includes a first line with a signal terminal to...
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6603302 |
Circuit testers
A circuit tester ( 1 ) for testing circuit integrity in a series-wired string of Christmas fairy lights powered by domestic mains electricity. The tester comprises or includes a housing; a probe...
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6597163 |
Contamination resistant probe attachment device
A contamination resistant probe attachment device attaches over an opening in a top cover of a disc drive to couple a testing probe to the interior of the disc drive. The attachment device has a...
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6552523 |
Combination low capacitance probe tip and socket for a measurement probe
A low capacitance probe tip and socket for a measurement probe has a probe tip extending through an insulating plug and a recess defining a socket formed in the plug. The socket has an aperture...
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6483284 |
Wide-bandwidth probe using pole-zero cancellation
A probe apparatus for use with analyzing devices, primarily oscilloscopes and logic analyzers, which uses pole-zero cancellation to provide a probe with low capacitance and wide bandwidth....
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6483289 |
Modular sensor array, metering device and mounting and connection base
A metering module has a housing, a metering circuit in the housing for receiving and processing at least one signal corresponding to an electrical quantity, and developing an output signal. A...
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6466000 |
Replaceable probe tip holder and measurement probe head
A replaceable probe tip holder for an associated low capacitance probe head has a cap with a series of cavities formed therein and a bore extending from the inter most cavity to the front end of...
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6437556 |
Electrical contact assembly
An electrical contact assembly ( 10 ) which includes a probe ( 12 ) and a housing ( 14 ) in which the probe ( 12 ) is selectively receivable at least in part. The probe ( 12 ) has an electrically...
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6400133 |
Test lead retraction system
A test lead retraction system for retracting test lead cables on a spool. The test lead retraction system includes a base having an upper surface, a pillar is fixedly mounted to the upper surface,...
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6362614 |
Electronic probe for measuring high impedance tri-state logic circuits
An electronic probe has a termination portion, a filter, and an impedance device. The termination portion is connected between a transmission line end and a common node. The termination portion has...
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6323638 |
High-resistance probe and voltage detector incorporating same
A device for testing a conductor for the presence of high AC voltage includes a voltage detection circuit connected to a probe assembly, preferably designed for insertion in the access bushing of...
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6307363 |
Ultrahigh-frequency high-impedance passive voltage probe
The most commonly used type of voltage probe for high-bandwidth applications is the high-impedance passive probe. It is reliable, rugged, simple to use, and inexpensive. However, because it has a...
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6291986 |
Insert for measuring current in conductors within an electrical enclosure
A conduit apparatus for an electrical enclosure that allows safe, convenient access for current measurement of circuits therein is provided. The conduit apparatus has one or more non-magnetic...
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6275022 |
Passive voltmeter with partially compressed voltage range display and housing with internal metallic coating
A passive voltmeter for high voltage transmission lines that accurately measures and displays a wide range of voltages. A d'Arsonval type meter movement is preferably used in conjunction with the...
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6252391 |
High frequency probe
A high frequency probe is presented. The probe comprises a probe body having a coaxial resilient double ended probe element attached thereto by an adaptor. A locking pin is attached to the probe...
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6252410 |
Pico fuse open or short detector tool
A pico fuse detector assembly incorporating a probe structure that minimizes short-out of closely adjacent pico fuses during testing has two probe arms, each pivotably connected at one end to a...
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6242903 |
Method for using an insulated electrical probe
The voltage detection stick comprises an elongate and hollow casing member that has a front and a back. A tip is rotatably and removably attached to the front of the casing member and a sensor is...
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6232881 |
Hand held electromagnetic field detector
A hand held detection device for detecting electromagnetic waves at at least one predetermined frequency has an elongated conductor member having a bottom end portion for grasping by a hand of a...
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6218826 |
Measurement probe having an internal alignment fixture
A measurement probe includes a sacrificial assembly fixture as part of the probe head. The probe head has probing contact at one end thereof and a transmission cable extending from the other end...
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6175228 |
Electronic probe for measuring high impedance tri-state logic circuits
An improved probe for probing high speed, low impedance bus structures. The probe comprises an AC termination portion and an RCR filter. In a first embodiment, the AC termination portion comprises...
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6137285 |
Electrical voltage tester
A voltage tester has an indicator housing and two separate probes connected to the housing by lead wires. One or more visual indicators are provided on the top surface of the indicator housing...
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6124714 |
Lightning and surge arrester test apparatus and method
A lightning arrester tester includes two tubular poles respectively carrying probe terminals, one probe terminal being connected in series through a high-voltage rectifier and high-resistance...
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6100679 |
Voltage indicating instrument
A tool for indicating the presence of potentially dangerous voltages to the user includes circuitry for detecting the presence of an AC voltage on a blade or other operative portion of the tool,...
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