Method and apparatus for wireless chemical supplying
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United States of America Patent
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Oct 29, 1996
Grant Date -
N/A
app pub date -
Aug 16, 1994
filing date -
Aug 16, 1994
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method and apparatus for wireless supplying of chemicals is provided in which an interrogation unit (14) transmits interrogation signals. A responder unit (16), powered from the interrogation signals, is operable to receive the interrogation signals and transmit responses. The responder unit (16) controls operation of an actuator (10). The actuator is coupled to a supply tank (12), which supplies chemicals under control of the actuator (10).
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