Measuring and testing – Gas analysis
Reexamination Certificate
2006-08-15
2006-08-15
Garber, Charles (Department: 2856)
Measuring and testing
Gas analysis
Reexamination Certificate
active
07089778
ABSTRACT:
A modular gas measuring system with a basic unit (1) with electric supply and data lines connected to it, a measuring unit (2), which is equipped with a gas sensor and with a microprocessor and is connected to the basic unit (1) by means of snap closures to form a functional unit. At least one expansion module, is accommodated by the functional unit. The modular design, of optionally accommodating different expansion modules, so that the properties and the possible applications of the gas measuring system can be expanded in a simple manner.
REFERENCES:
patent: 4109509 (1978-08-01), Cramer et al.
patent: 5025653 (1991-06-01), Schuldt
patent: 5948962 (1999-09-01), Matthiessen
patent: 6285964 (2001-09-01), Babel et al.
patent: WO 98/47054 (1998-10-01), None
patent: 197 55 516 (1999-06-01), None
“How they work | HART Digital Protocol” at http://www.sensorland.com/HowPage045.html.
Cohen John
Kessel Robert
Martens Matthias
Rabenecker Horst
Thiele Fritz
Dräger Safety AG & co. KGaA
Garber Charles
McGlew & Tuttle PC
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