Flexible antenna module for wireless energy transmission

A flexible antenna module for wireless energy transmission, comprising:

• a flexible annular antenna being able to be provided on a living body's outer portion;
• a pressure sensor provided on an inner side of said flexible annular antenna for detecting a pressure value generated from said pressure sensor touched by a living body's outer portion;
• an antenna size controlling device for controlling the size of said flexible annular antenna, wherein said antenna size controlling device fixes the size of said flexible annular antenna when said pressure value detected by said pressure sensor is up to a threshold value;
• and
• a flexible antenna energy transmission controlling module, which depends on a deformation of said flexible annular antenna to control a driving power of said flexible annular antenna.

A method for energy transmission of a flexible antenna, comprising:

• providing a flexible annular antenna on a living body's outer portion;
• adjusting the size of said flexible annular antenna to conform the living body's outer portion;
• detecting the deformation of said flexible annular antenna;
• and
• adjusting an output power provided to said flexible annular antenna depending on the deformation of said flexible annular antenna.

A device for optimizing energy transmission for an implanted device, comprising:

• an external module for energy transmission provided on a living body's outer portion and comprising a flexible annular antenna, a flexible antenna energy transmission controlling module and an electrical stimulating signal control module;
• wherein said flexible antenna energy transmission controlling module comprises an antenna deformation detector, an antenna deformation compensation circuit and a power controller, said electrical stimulating signal control module comprises a first wireless radio frequency interface circuit, an adjustable power control circuit and an output control circuit;
• wherein said flexible annular antenna is used to perform wireless energy transmission and deformed to conform the living body's outer portion, said antenna deformation detector is provided to detect the deformation of said flexible annular antenna and said antenna deformation compensation circuit is provided to apply a compensation power to said power controller depending on the deformation of the flexible annular antenna, said first wireless radio frequency interface circuit is used to drive said flexible annular antenna to emit energy and convert a sense signal received by said flexible annular antenna into a first electronic signal, said adjustable power control circuit determines an optimum power control mode for energy transmission depending on said first electronic signal, said output control circuit sends an output power to said power controller depending on the optimum power control mode for energy transmission, said power controller adjusts the output power to obtain a compensated output power depending on the compensation power, and transmitting the compensated output power to said first wireless radio frequency interface circuit in order to drive said flexible annular antenna to emit energy;
• and
• an internal implanted module implanted inside the living body and comprising an energy transmission antenna, a second wireless radio frequency interface circuit, a feedback modulation control circuit and an electrical stimulating control circuit, wherein said energy transmission antenna receives the energy emitted by said flexible annular antenna, said second wireless radio frequency interface circuit converts the received energy into a second electronic signal and then sends said second electronic signal to said feedback modulation control circuit, said feedback modulation control circuit depends on said second electronic signal to determine whether to drive electrical stimulating control circuit or generate a feedback signal to electrical stimulating signal control module.

A method for optimizing energy transmission for an implanted device, comprising:

• providing a flexible annular antenna on a living body's outer portion;
• adjusting the size of said flexible annular antenna to conform the living body's outer portion;
• detecting a deformation of said flexible annular antenna;
• and
• providing a compensation power to an external energy transmission module depending on the deformation of said flexible annular antenna;
• activating said external energy transmission module to drive said flexible annular antenna to emit energy;
• receiving the energy by an internal implanted module and accordingly determining whether to drive said implanted device or generate a feedback signal;
• receiving said feedback signal by said external energy transmission module to determine an optimum power control mode for energy transmission;
• and
• driving said flexible annular antenna to emit energy by said external energy transmission module depending on said optimum power control mode for energy transmission and said compensation power.