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Medical applications of radio frequency (RF) energy, in the form of electromagnetic waves (radio waves) or electrical currents, have existed for over 125 years, [1] and now include diathermy, hyperthermy treatment of cancer, electrosurgery scalpels used to cut and cauterize in operations, and radiofrequency ablation. [2]
The FCC created the Medical Implant Communication Service (MICS) in 1999 "in response to a petition for rule making by [Medtronic, Inc.] to permit use of a mobile radio device, implanted in a patient, for transmitting data in support of the diagnostic and/or therapeutic functions associated with an implanted medical device."
In this situation, a simple probe type sometimes called an RF detector can be used to convert the RF signal to DC. Such device will work as a RF rectifier and give a pulsed DC voltage. [2] The second kind of difficulty arises when RF energy has to be measured in a circuit which is sensitive to small changes in its electrical environment.
AWR Design Environment – high frequency (RF/microwave) design; Simulators: Microwave Office - RF/microwave circuit simulation, APLAC - Harmonic balance solver for nonlinear, frequency domain circuit simulation; Analog Office - analog/RFIC simulation; Visual System Simulator (VSS) - system level communication/radar simulator; EM solvers:
This is a list of emerging technologies, which are in-development technical innovations that have significant potential in their applications. The criteria for this list is that the technology must: Exist in some way; purely hypothetical technologies cannot be considered emerging and should be covered in the list of hypothetical technologies ...
Examples include an identifying integrated circuit RFID device encased in silicate glass which is implanted in the body of a human being. This type of subdermal implant usually contains a unique ID number that can be linked to information contained in an external database, such as identity document , criminal record , medical history ...
Examples of real-time locating systems include tracking automobiles through an assembly line, locating pallets of merchandise in a warehouse, or finding medical equipment in a hospital. The physical layer of RTLS technology is often radio frequency (RF) communication.
The specifications of a RF monitor determines the work environment where could be applicable. Wideband RF monitors can be used at a broader variety of base station sites than for example a narrowband, cellular RF monitor which is designed only to be used in the mobile telephone- and data networks. IEEE Std C95.3 states that "In the region ...