Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – With waveguide or long line
Reexamination Certificate
2008-05-13
2008-05-13
Tang, Minh N. (Department: 2829)
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
With waveguide or long line
C324S096000, C324S105000
Reexamination Certificate
active
07372249
ABSTRACT:
A thermocouple power sensor includes the ability to monitor the value of a RF load resistor. A meter connects to the input of a thermocouple-based RF signal power detector. The apparatus can sense its own load resistor DC impedance, so it can detect both aging in and damage sustained through overload to the RF dissipation element.
REFERENCES:
patent: 4789823 (1988-12-01), Delfs et al.
patent: 5705962 (1998-01-01), Fleeger et al.
patent: 6518743 (2003-02-01), Kodato
Jackson, Weldon H., “A Thin-Film/Semiconductor Thermocouple for Microwave Power Measurements”, Hewlett Packard Journal, vol. 26, No. 1, Sep. 1974.
Agilent Technologie,s Inc.
Kee Pamela Lau
Tang Minh N.
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