Wireless battery charging system for existing hearing aids using a dynamic battery and a charging processor unit

A charging stand for charging a small appliance placed in an arbitrary relationship to a charging stand, said apparatus comprising:

• means for supplying current to a sending core magnetic coil;
• means for measuring current to the sending core magnetic coil;
• means for inducing a current in a receiving magnetic coil in the small appliance placed in an arbitrary relationship to the charging stand;
• means for rotating the sending core magnetic coil through a predetermined arc of rotation while measuring the current to the sending core magnetic coil;
• means for determining an optimal position for the sending core magnetic coil based upon measured current to the sending core magnetic coil;
• and
• means for locating the sending core magnetic coil at the determined optimal position so as to charge the small appliance.

A method of charging a small rechargeable battery-operated appliance placed in an arbitrary relationship to a charging stand, comprising the steps of:

• supplying current to a sending core magnetic coil so as to generate a magnetic field,
• measuring current to the sending core magnetic coil,
• inducing a current in a receiving magnetic coil from the magnetic field in the small appliance placed in an arbitrary relationship to the charging stand,
• rotating the sending core magnetic coil through a predetermined arc of rotation while measuring the current to the sending core magnetic coil,
• determining an optimal position for the sending core magnetic coil based upon measured current to the sending core magnetic coil,
• locating the sending core magnetic coil at the determined optimal position, and
• charging the rechargeable battery in the small appliance with the induced current.

A charging stand for charging a small rechargeable-battery-operated appliance placed in an arbitrary relationship to a charging stand, said apparatus comprising:

• sending core magnetic coil supplied with current so as to generate a magnetic field;
• means for measuring current to the sending core magnetic coil;
• a receiving magnetic coil for inducing current from the magnetic field in the small appliance placed in an arbitrary relationship to the charging stand;
• means for rotating the sending core magnetic coil through a predetermined arc of rotation while measuring the current to the sending core magnetic coil;
• means for determining an optimal position for the sending core magnetic coil based upon measured current to the sending core magnetic coil;
• and
• means for locating the sending core magnetic coil at the determined optimal position so as to charge the rechargeable battery in the small appliance.

A method of charging a small rechargeable battery placed in an arbitrary relationship to a charging stand, comprising the steps of:

• supplying current to a sending core magnetic coil so as to generate a magnetic field,
• measuring current to the sending core magnetic coil,
• inducing a current in a receiving magnetic coil from the magnetic field in the rechargeable battery placed in an arbitrary relationship to the charging stand,
• rotating the sending core magnetic coil through a predetermined arc of rotation while measuring the current to the sending core magnetic coil,
• determining an optimal position for the sending core magnetic coil based upon measured current to the sending core magnetic coil,
• locating the sending core magnetic coil at the determined optimal position, and
• charging the rechargeable battery with the induced current.

A charging stand for charging a small rechargeable battery placed in an arbitrary relationship to a charging stand, said apparatus comprising:

• sending core magnetic coil supplied with current so as to generate a magnetic field;
• means for measuring current to the sending core magnetic coil;
• a receiving magnetic coil for inducing current from the magnetic field in the rechargeable battery placed in an arbitrary relationship to the charging stand;
• means for rotating the sending core magnetic coil through a predetermined arc of rotation while measuring the current to the sending core magnetic coil;
• means for determining an optimal position for the sending core magnetic coil based upon measured current to the sending core magnetic coil;
• and
• means for locating the sending core magnetic coil at the determined optimal position so as to charge the rechargeable battery with the induced current.

A method of charging a small rechargeable battery-operated appliance placed in an arbitrary relationship to a charging stand, comprising the steps of:

• supplying current to at least one sending core magnetic coil so as to generate a magnetic field,
• measuring current to the at least one sending core magnetic coil,
• inducing a current in a receiving magnetic coil from the magnetic field in the small appliance placed in an arbitrary relationship to the charging stand,
• determining an optimal position for the at least one sending core magnetic coil based upon measured current to the sending core magnetic coil,
• providing current to sending core magnetic coil at the determined optimal position, and
• charging the rechargeable battery in the small appliance with the induced current.

A charging stand for charging a small rechargeable-battery-operated appliance placed in an arbitrary relationship to a charging stand, said apparatus comprising:

• at least one sending core magnetic coil supplied with current so as to generate a magnetic field;
• means for measuring current to the at least one sending core magnetic coil;
• a receiving magnetic coil for inducing current from the magnetic field in the small appliance placed in an arbitrary relationship to the charging stand;
• means for determining an optimal position for the at least one sending core magnetic coil based upon measured current to the sending core magnetic coil;
• and
• providing current to the sending core magnetic coil at the determined optimal position so as to charge the rechargeable battery in the small appliance.

A method of charging a small rechargeable battery placed in an arbitrary relationship to a charging stand, comprising the steps of:

• supplying current to at least one sending core magnetic coil so as to generate a magnetic field,
• measuring current to the at least one sending core magnetic coil,
• inducing a current in a receiving magnetic coil from the magnetic field in the rechargeable battery placed in an arbitrary relationship to the charging stand,
• determining an optimal position for the at least one sending core magnetic coil based upon measured current to the sending core magnetic coil,
• providing current to the sending core magnetic coil at the determined optimal position, and
• charging the rechargeable battery with the induced current.

A charging stand for charging a small rechargeable battery placed in an arbitrary relationship to a charging stand, said apparatus comprising:

• at least one sending core magnetic coil supplied with current so as to generate a magnetic field;
• means for measuring current to the at least one sending core magnetic coil;
• a receiving magnetic coil for inducing current from the magnetic field in the rechargeable battery placed in an arbitrary relationship to the charging stand;
• means for determining an optimal position for the at least one sending core magnetic coil based upon measured current to the sending core magnetic coil;
• and
• means for providing current to the sending core magnetic coil at the determined optimal position so as to charge the rechargeable battery with the induced current.