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Electronic Development Inc. Patents
Assignee:
Electronic Development Inc.
Address:
Grosse Pointe Park, MI
No. of patents:
22
Patents:




Patent Number Title Of Patent Date Issued
RE35644 Voltage transmission link for testing EMI susceptibility of a device or circuits October 28, 1997
The performance of a device under test is observed with and without the presence of controlled EMI fields. Voltage signals from the device under test are transmitted to an oscilloscope by overdamped conductors, a hybrid electrical/optical transmitter, a fiber optic cable, a receiver and
6466024 Multi-battery fuel saving and emission reduction system for automotive vehicles October 15, 2002
A multi-battery charging system for reduced fuel consumption and emissions for an automotive vehicle. The system starts the vehicle with a start battery in a fuel savings manner, removing electrical torque from the alternator shaft, and allows a second (run) battery to provide all or som
6005369 Method and apparatus for testing a vehicle charge storage system December 21, 1999
Method and apparatus for accurately measuring charge storage system operating conditions in a vehicle. A measurement circuit produces an electrical response at an output which varies linearly with battery voltage levels. The circuit is calibrated to provide an output only for a volta
5920064 Multi-channel electromagnetically transparent voltage waveform monitor link July 6, 1999
A multi-channel electromagnetically transparent voltage probe transmission link system for monitoring a plurality of voltage signals at a plurality of test points of a device under test that is subjected to a radiation field. Each channel includes two voltage probes, an electrical to opt
5744938 Method and apparatus for testing a vehicle charge storage system April 28, 1998
Method and apparatus for accurately measuring charge storage system operating conditions in a vehicle. A measurement circuit produces an electrical response at an output which varies linearly with voltage levels measured via a remote connection to the battery terminals. The circuit is
5723975 Apparatus and method for converting a voltage waveform into an optical signal March 3, 1998
An apparatus and method for converting a voltage waveform into an optical signal is usable in a multi-channel, electromagnetically transparent, voltage probe transmission link system to monitor simultaneously a plurality of voltage signal waveforms of a device or system under test. In
5701082 Probe for sensing moculated signals and method of using same December 23, 1997
Apparatus and method for low cost monitoring the level of signal at a test point in a system for susceptibility to electromagnetic fields. A probe, including a detector diode, and a non-metallic, electrically overdamped conductor, which is transparent to the electromagnetic field, is use
5689192 Method for simulating a controlled voltage for testing circuits for electromagnetic susceptibili November 18, 1997
Apparatus and method for low cost monitoring the level of signal at a test point in a system for susceptibility to electromagnetic fields. A probe, including a detector diode, and a non-metallic, electrically overdamped conductor, which is transparent to the electromagnetic field, is use
5610499 Multi-battery fuel saving and emission reduction system for automotive vehicles March 11, 1997
A multi-battery charging system for reduced fuel consumption and emissions for an automotive vehicle. The system starts the vehicle with a start battery in a fuel savings manner, removing electrical torque from the alternator shaft, and allows a second (run) battery to provide all or som
5602459 Fuel saving multi-battery charging system and method February 11, 1997
A multi-battery charging system and for reduced fuel consumption and associated emissions for an automotive vehicle. The system starts the vehicle with a start battery in a fuel saving manner, removing electrical torque from alternator shaft, and allows a second (run) battery to provide
5552715 Apparatus for low cost electromagnetic field susceptibility testing September 3, 1996
Apparatus for low cost monitoring the level of signal at a test point in a system for susceptibility to electromagnetic fields. A probe, including a detector diode, and a non-metallic, electrically overdamped conductor, which is transparent to the electromagnetic field, is used to monito
5534772 Apparatus and method for monitoring radiation effects at different intensities July 9, 1996
A multi-channel electromagnetically transparent voltage probe transmission link system or method monitors a plurality of voltage signals at a plurality of test points of a device under test that is subject to a radiation field with at least two intensity levels. The system or method
5528148 Battery monitoring and deceleration dependent fuel-saving charging system June 18, 1996
The present invention relates to a battery monitoring and charging system capable of determining when charging conditions are favorable, thereby adjusting the charging level to maximize fuel saving. In particular, the system increases the alternator field current to charge a battery duri
5444378 Battery state of charge monitor August 22, 1995
An apparatus and method for monitoring the state of charge of the battery having a shunt resistor connected in series with a battery and an integrating circuit connected across the terminals of the shunt resistor which includes a large capacitance element having the capability to store
5440227 Multi-channel electromagnetically transparent voltage waveform monitor link August 8, 1995
A multi-channel electromagnetically transparent voltage probe transmission link system for monitoring a plurality of voltage signals at a plurality of test points of a device under test that is subjected to a radiation field. Each channel includes two voltage probes, an electrical to opt
5414366 Electromagnetic field susceptibility test apparatus and methods May 9, 1995
Apparatus and method for low cost monitoring the level of signal at a test point in a system for susceptibility to electromagnetic fields. A probe, including a detector diode, and a non-metallic, electrically overdamped conductor, which is transparent to the electromagnetic field, is use
5414345 Apparatus and method for low cost electromagnetic field susceptibility testing May 9, 1995
Apparatus and method for low cost monitoring the level of signal at a test point in a system for susceptibility to electromagnetic fields. A probe, including a detector diode, and a non-metallic, electrically overdamped conductor, which is transparent to the electromagnetic field, is use
5397991 Multi-battery charging system for reduced fuel consumption and emissions in automotive vehicles March 14, 1995
A multi-battery charging system for reduced fuel consumption and emissions for an automotive vehicle. The system starts the vehicle with a start battery in a fuel saving manner, removing electrical torque from the alternator shaft, and allows a second (run) battery to provide all or some
5365179 Apparatus and method for measuring ground impedance November 15, 1994
A method and apparatus for measuring ground to earth impedance at frequencies above dc. A computer controlled instrument is provided for implementing a Three Point Measurement or a Fall of Potential method using three ground paths and a plurality of discrete frequencies in the range of
5349133 Magnetic and electric field shield September 20, 1994
A magnetic field and electric field shield having an electrically conductive layer and two layers of thin, soft magnetic material wrapped in opposite directions about a common axis. One layer of magnetic material is wrapped in a clockwise direction and the other layer of magnetic materia
5337261 Designing and evaluating filters for suppressing undesired signals August 9, 1994
A method and apparatus for use in designing and evaluating filters to resolve undesired signal transmission in a device including, without limitation, EMI filters for suppressing an identified EMI in a device under test in a particular application. The complex impedance of the source
5311116 Multi-channel electromagnetically transparent voltage waveform monitor link May 10, 1994
A multi-channel electromagnetically transparent voltage probe transmission link system for monitoring a plurality of voltage signals at a plurality of test points of a device under test that is subjected to a radiation field. Each channel includes two voltage probes, an electrical to opt

 
 
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