Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – With coupling means
Reexamination Certificate
2005-09-30
2008-11-11
Tang, Minh N (Department: 2829)
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
With coupling means
C324S1540PB
Reexamination Certificate
active
07449877
ABSTRACT:
Apparatus and methods are provided for a system for measurement of a current in a conductor such that the conductor current may be momentarily directed to a current measurement element in order to maintain proper current without significantly increasing an amount of power dissipation attributable to the current measurement element or adding resistance to assist in current measurement. The apparatus and methods described herein are useful in superconducting circuits where it is necessary to monitor current carried by the superconducting elements while minimizing the effects of power dissipation attributable to the current measurement element.
REFERENCES:
patent: 4818895 (1989-04-01), Kaufman
patent: 4945445 (1990-07-01), Schmerda et al.
patent: 5539602 (1996-07-01), Schmitz et al.
Reliance Electric Technologies LLC
Tang Minh N
Thompson & Coburn LLP
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