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Class 379/55.1 - HAVING NEAR FIELD LINK (E.G., CAPACITIVE, INDUCTIVE)


Subclass of Class 379 - Telephonic communications
Definition: Subject matter having a transceiver, a base station, and
No. of patents: 42
Last issue date: 08/25/2009


  2  
NumberTitleIssue Date
4101835Method and electronic control device for radio telephone communication
An electronic control device interfaces a duplexed frequency radio communications system with an ordinary telephone set to enable two-way communication between mobile two-way radios and land line telephones. In response to an enabling signal transmitted f... 		07/18/1978
3967201Wireless subterranean signaling method
A relatively low frequency wireless electromagnetic communication link is established through a subterranean lossy medium such as ground or water by launching and propagating magnetic waves of generally vertical magnetic polarization through the interveni... 		06/29/1976
  2  
 
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