Battery and charging system using switchable coding devices
First Claim
Patent Images
1. A battery and charging system, comprising:
- a charger that provides a current; and
a battery having at least one cell that can be charged by the current supplied by the charger, the battery comprising;
a memory that stores battery information;
a coding resistor indicative of battery type; and
a battery switching circuit coupled to the memory and the coding resistor for coupling the memory to the charger when the charger is capable of reading the memory and, otherwise, for coupling the coding resistor to the charger.
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Abstract
A battery and charging system including a charger (200) that provides a current and a battery (107) having at least one cell (108) that can be charged by the current provided by the charger (200). The battery (107) includes a memory (110) that stores battery information and a coding resistor (111) indicative of battery type. A battery switching circuit (113, 114) coupled to the memory (110) and the coding resistor (111) switches the memory (110) into contact with the charger (200) when the charger (200) is capable of reading the memory (110). Otherwise, the battery switching circuit (113, 114) switches the coding resistor (111) into contact with the charger (200).
52 Citations
15 Claims
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1. A battery and charging system, comprising:
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a charger that provides a current; and a battery having at least one cell that can be charged by the current supplied by the charger, the battery comprising; a memory that stores battery information; a coding resistor indicative of battery type; and a battery switching circuit coupled to the memory and the coding resistor for coupling the memory to the charger when the charger is capable of reading the memory and, otherwise, for coupling the coding resistor to the charger. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A battery capable of being charged by a charger, the battery comprising:
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at least one cell having a positive terminal and a negative terminal; a memory that stores battery information; a coding resistor indicative of battery type; and a battery switching circuit coupled to the memory and the coding resistor for coupling the memory to the charger when the charger is capable of reading the memory and, otherwise, for coupling the coding resistor to the charger. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15)
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Specification