Electricity: measuring and testing – Testing potential in specific environment – Voltage probe
Patent
1983-09-15
1986-02-11
Krawczewicz, Stanley T.
Electricity: measuring and testing
Testing potential in specific environment
Voltage probe
324115, 324133, 340600, 343703, 343894, 455 67, G01R 3102
Patent
active
045701172
ABSTRACT:
A modular field strength measuring and indicating instrument that includes as one component a sensing module with a sensitive D'Arsonval meter movement and a receptacle for interchangeable plug-in type sensing modules for measuring an electrical condition, such as electrical power. The other component is a field strength sensing module that plugs into the receptacle and which includes a self-contained DC voltage source, a sensing antenna, a high-impedance, variable gain, linear DC amplifier operatively connected to the voltage source for amplifying the field strength voltage signal sensed by the antenna, and circuitry for transmitting the amplifier output voltage signal to the D'Arsonval meter movement for indicating the field strength detected by the instrument. The field strength sensing module may be used in the meter module interchangeable with other modules, such as modules for measuring RF power in RF transmission lines.
REFERENCES:
patent: 1527425 (1925-02-01), Miller
patent: 1764410 (1930-06-01), Legg
patent: 2512330 (1950-06-01), Hendrich
patent: 3891919 (1975-06-01), Penninger
patent: 3927375 (1975-12-01), Lanoe et al.
patent: 4080566 (1978-03-01), Mecklenburg
patent: 4277744 (1981-07-01), Audone et al.
patent: 4506385 (1985-03-01), Fedde et al.
Bird Electronic Corporation
Krawczewicz Stanley T.
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