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radiofrequency signal

   Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia 0.01 sec.
radiofrequency (rf) signal,
1 an electrical signal whose frequency is in the rf range.
2 a signal within an ultrasound instrument between the transducer terminals and components where rectification and filtering occur.


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When scanned by a proprietary external scanner, the chip emits a radiofrequency signal that transmits the identification number and a brief medical message-warning about an allergy, for example.
There is no need to move devices or rewire the house as Thomson 5GHz technology distributes content via radiofrequency signals anywhere in the home.
The allowed claims relate to the use of pulsed radiofrequency signal devices in electrotherapy.
 
 
 
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