Power charging and control mechanism for battery operated electrical appliances

Claim 1

IN COMBINATION, POWERED OPERATING MEANS FOR AN ELECTRICAL APPLIANCE; POWER MEANS FOR ENERGIZING SAID OPERATING MEANS, SAID POWER MEANS INCLUDING AT LEAST TWO RECHARGEABLE ELECTRICAL BATTERIES OF DIFFERENT ELECTRICAL CAPACITIES, ONE TO THE OTHER, EACH OF SAID BATTERIES HAVING A POSITIVE AND A NEGATIVE TERMINAL; UNIDIRECTIONAL CURRENT CONDUCTING MEANS ELECTRICALLY CONNECTING THE NEGATIVE TERMINAL OF THE BATTERY OF HIGHER CAPACITY TO THE POSITIVE TERMINAL OF THAT OF LOWER CAPACITY; SWITCHING MEANS OPERABLE FROM A FIRST CONDITION TO A SECOND CONDITION ELECTRICALLY CONNECTING SAID HIGHER CAPACITY BATTERY TO SAID OPERATING MEANS FOR ENERGIZATION OF SAID APPLIANCE THEREBY, TO A THIRD CONDITION DISCONNECTING SAID HIGHER CAPCAITY BATTERY FROM SAID OPERATING MEANS AND CONNECTING SAID LOWER CAPACITY BATTERY TO SAID OPENING MEANS FOR ENERGIZATION THEREBY, AND BACK TO SAID FIRST POSITION DISCONNECTING SAID OPERATING MEANS FROM BOTH SAID BATTERIES; POWER CONVERTING MEANS FOR CONVERTING ALTERNATING POWER APPLIED THERETO TO UNIDIRECTIONAL POWER; A SHUNTING RESISTOR CONNECTED FROM SAID NEGATIVE TERMINAL OF SAID HIGHER CAPACITY BATTERY TO SAID NEGATIVE TERMINAL OF SAID LOWER CAPACITY BATTERY, SAID SHUNTING RESISTOR MATCHING THE INTERNAL RESISTANCE OF SAID LOWER CAPACITY BATTERY; AND MEANS FOR ELECTRICALLY CONNECTING THE OUTPUT OF SAID POWER CONVERTING MEANS ACROSS BOTH SAID BATTERIES.