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| Number | Title | Issue Date |
| 7557586 | Electronic battery tester An electronic battery tester for testing a storage battery includes test circuitry configured to provide an output based upon a selected test criteria. Additionally, circuitry is provided to assist in balancing batteries used in a string of multiple batteries. ... | 07/07/2009 |
| 7363175 | Query based electronic battery tester An electronic battery tester for testing a storage battery provides a test output indicative of a condition of the battery. Electronic measurement circuitry provides a measurement output related to a condition of the battery. The battery condition is determined base... | 04/22/2008 |
| 7319304 | Shunt connection to a PCB of an energy management system employed in an automotive vehicle A method of coupling a shunt to a printed circuit board (PCB) of an energy management system is provided. The method includes coupling flexible electrical connectors to the shunt and soldering the flexible electrical connectors to connection points on the PCB of the... | 01/15/2008 |
| 7295936 | Electronic battery tester with relative test output An electronic battery tester for testing a storage battery determines a condition of the battery. The condition is a relative condition and is a function of a dynamic parameter of the battery and an empirical input variable. ... | 11/13/2007 |
| 7246015 | Alternator tester An alternator tester is provided for testing an alternator of a vehicle while the alternator is coupled to the vehicle. A sensor is configured to couple to the vehicle and sense a signal related to operation of the alternator. A memory contains data related to opera... | 07/17/2007 |
| 7154276 | Method and apparatus for measuring a parameter of a vehicle electrical system An apparatus for measuring electrical parameters for an electrical system measures a first and second parameters of the electrical system between connections to the electrical system. A processor determines a third electrical parameter of the electrical system as a ... | 12/26/2006 |
| 7126341 | Automotive vehicle electrical system diagnostic device An automotive vehicle electrical system diagnostic apparatus includes first and second electrical connections configured to electrically couple to an electrical system of an automotive vehicle which includes a battery. Digital samples are obtained during operation o... | 10/24/2006 |
| 7119686 | Theft prevention device for automotive vehicle service centers An apparatus and method for preventing theft in automotive vehicle service centers. A transmitter transmits a wireless security signal which defines a perimeter. At least one portable tool for use in automotive vehicle service centers includes a receiver configured ... | 10/10/2006 |
| 7106070 | Broad-band low-inductance cables for making Kelvin connections to electrochemical cells and batteries A broad-band technique for reducing the distributed inductance of a four-conductor Kelvin cable is disclosed. A special inductance-canceling cable section is connected in tandem with the cable section contacting the cell/battery. Connections between the two cable se... | 09/12/2006 |
| 7049822 | Combination battery, light bulb, and fuse tester A combination battery, light bulb, fuse tester having novel features. In particular, the tester includes a novel probe apparatus including an actuator, a pair of opposed probe arms, each of the probe arms having an electrical contact on an end thereof, the probe arm... | 05/23/2006 |
| 7034541 | Query based electronic battery tester An electronic battery tester for testing a storage battery provides a test output indicative of a condition of the battery. Electronic measurement circuitry provides a measurement output related to a condition of the battery. The battery condition is determined base... | 04/25/2006 |
| 7003410 | Electronic battery tester with relative test output An electronic battery tester for testing a storage battery determines a condition of the battery. The condition is a relative condition and is a function of a dynamic parameter of the battery and an empirical input variable. ... | 02/21/2006 |
| 7003411 | Electronic battery tester with network communication An electronic battery tester for testing a storage battery includes test circuitry configured to provide a battery test output related to a condition of the battery. A memory stores a battery tester address of the battery tester, and communication circuitry transmit... | 02/21/2006 |
| 6998847 | Electronic battery tester with data bus for removable module An electronic battery tester is provided for testing storage batteries. Battery test circuitry is configured to couple to the storage battery and measure a condition of the battery. A removable module is configured to couple to the battery tester to add increased fu... | 02/14/2006 |
| 6977123 | Battery with strength indicator A battery strength indicating and switch means on a battery which is coupled across the terminals of the battery and which is provided with an indicating means to indicate the strength of the battery and in addition, the battery strength indicating means is also pro... | 12/20/2005 |
| 6967484 | Electronic battery tester with automotive scan tool communication An electronic battery tester includes battery test circuitry configured to couple to a battery. A databus is configured to exchange data with external circuitry. ... | 11/22/2005 |
| 6941234 | Query based electronic battery tester An electronic battery tester for testing a storage battery provides a test output indicative of a condition of the battery. Electronic measurement circuitry provides a measurement output related to a condition of the battery. The battery condition is determined base... | 09/06/2005 |
| 6933727 | Electronic battery tester cable A cable for use with an electronic battery tester includes first and second electrical connections configured to couple to terminals of a battery. A memory is configured to store digital data. Electrical terminals are configured to couple the cable to the electronic... | 08/23/2005 |
| 6913483 | Cable for electronic battery tester A battery tester cable for coupling an electronic battery tester to a battery includes first clamp and second clamps to provide a connections to terminals of the battery. Cables extend from the clamps. A moveable cable holding device can be positioned along a length... | 07/05/2005 |
| 6914413 | Alternator tester with encoded output An alternator tester includes an alternator output measurement circuit configured to measure an electrical output of an alternator. A microprocessor determines a alternator condition as a function of the electrical output. The microprocessor encrypts information and... | 07/05/2005 |
| 6881974 | Probe card for testing microelectronic components Various aspects of the invention provide methods of manufacturing probe cards and test systems which may test microelectronic components using such probe cards. In one specific example, a probe card may be manufactured by forming a plurality of blind holes in a subs... | 04/19/2005 |
| 6773938 | Probe card, e.g., for testing microelectronic components, and methods for making same Various aspects of the invention provide methods of manufacturing probe cards and test systems which may test microelectronic components using such probe cards. In one specific example, a probe card may be manufactured by forming a plurality of blind holes in a subs... | 08/10/2004 |
| 6419807 | Sensor array for detecting electrical characteristics of fluids A sensor array for detecting the distribution of fluids having different electrical characteristics, comprising a multilayer structure including a first layer which defines an array of spaced apart sensor electrodes, a second layer separated from the firs... | 07/16/2002 |
| 6297025 | Measurement of complete electrical waveforms of tissue or cells A method of observing a physical and chemical property of a tissue or cell by using an apparatus which comprises at least a cell culturing means, an environment conditioning means, an observing means and a comparing means, comprising the steps of (A) cult... | 10/02/2001 |
| 6191591 | Battery cell grading holder A cell grading test fixture includes an array of cell sockets electrically interconnected in series so that current through the entire array of cells flows through each of the cells once inserted into the fixture. Associated with each socket is an indicat... | 02/20/2001 |
| 6103408 | Electric battery In an electric battery, an electronic clock is integrated in the battery container in order to monitor battery functions. The frequency of the electronic clock is varied as a function of at least one characteristic value of the battery. In one embodiment,... | 08/15/2000 |
| 6008652 | Battery tub tester A battery tub tester is disclosed that tests the individual batteries, battery accessories and connections as they are being assembled into a battery tub for an electric vehicle. The batteries and battery tub accessories, including temperature sensing dev... | 12/28/1999 |
| 5966014 | System for simultaneously testing a plurality of batteries for multiple operating specifications This disclosure sets out a multiple battery tester having a tray loaded with a set of batteries. The tray is placed in a receptacle and end located terminals move vertically to clamp a battery. The contacts bear on the battery, establishing a current flow... | 10/12/1999 |
| 5903154 | Battery test contact assembly A battery test contact clamp assembly is set forth. In one embodiment, upper and lower printed circuit boards are spaced apart on four corner located mounting rods of conductive metal. The four rods pass through one of the boards and are held to it by a s... | 05/11/1999 |
| 5862515 | Battery tester A battery tester is formed at an AC constant-current generator for applying an AC current for measurement to a battery BT under test via a coupling capacitor, an internal resistance detecting device for detecting the internal resistance of the battery BT ... | 01/19/1999 |
| 5550474 | Battery electrolyte-level and electrolyte-stratification sensing system The device uses a sensor probe in which a plurality of electrolyte level sensor coils and/or specific gravity stratification indicators are stacked vertically in the walls of a hollow electrically insulating and chemically nonreactive elongated probe hous... | 08/27/1996 |
| 5537042 | Method and system for unobtrusively measuring physical properties in electrochemical processes Disclosed is a method and system for unobtrusively measuring physical properties in electrochemical processes occurring in a predefined volume, such as the state of charge in an electrochemical battery. The invention provides for a coil (22) or (42) posit... | 07/16/1996 |
| 5478665 | Battery with strength indicator A battery strength tester used on a battery which has indicating means to indicate the strength of the battery and switching means which can easily be employed to complete a circuit so as to place the indicator means across the terminals of the battery an... | 12/26/1995 |
| 5376887 | Battery tester with apertures for plural types and sizes of cells A low profile battery tester uses tapered apertures to located batteries in a thin tablet shaped body for testing. In one embodiment for conventional dry cells, the taper is in openings through the body, and in another embodiment for button cells the aper... | 12/27/1994 |
| 5321626 | Battery performance monitoring and forecasting system Systems of battery cells and batteries are monitored via sensing probes arranged in assemblies providing digital output signals which indicate sensed physical parameters. Digital data strings are provided to the probes and modified to reflect present valu... | 06/14/1994 |
| 5128616 | DC voltage tester having parallel connected resistive elements in thermal contact with a thermochronic material A DC voltage tester having a plurality of resistive elements in thermal contact with a thermochromic material wherein the resistive elements are connected in a parallel configuration.... | 07/07/1992 |
| 5093624 | Battery monitoring Monitoring state of charge of an electric storage battery (18) is done by deliberately inducing eddy currents, specifically using an induction coil (70) in conductive metallic constituents of negative plate material (74) of the battery concerned, and dete... | 03/03/1992 |
| 5059895 | Battery voltmeter The present invention discloses a battery voltmeter comprising: A) a dielectric layer; B) a conductive layer above or below one of the surfaces of the dielectric layer; and C) a temperature sensitive color indicator layer in thermal contact with the conductive... | 10/22/1991 |
| 5003250 | Voltage testing device for electric tooth-brush A voltage testing device for electric tooth-brushes comprises a device body, a light emitting member mounted to the device body, and a pair of electrical conductors mounted to the device body and having each one end connected to the light emitting member ... | 03/26/1991 |
| 4763064 | Device for measuring the electronic characteristics of solid materials A device for measuring the electronic characteristics of solid electrolytes or solid-state electrochemical cells under varying conditions is provided. The device consists of two small flat plates which provide uniform physical and electrical contact with ... | 08/09/1988 |
