Portable telephone battery pack and portable telephone equipped with the battery pack
First Claim
1. In a battery pack for personal digital assistance which is connected to the personal digital assistance body as a main operation power supply, incorporating non-telephone functions together with a power supply.
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Abstract
The present invention relates to a battery pack for a personal digital assistance such as a mobile telephone, and to a personal digital assistance such as a mobile telephone on which the battery pack is mounted. The present invention incorporates non-telephone functions, for instance, data storing, and audio information reproduction, makes available at least of which even with the battery pack is not connected to the personal digital assistance body, and forms a simple pack by wrapping a storage cell and the protection circuit for the storage cell with an insulation material to form the battery pack by overlaying the simple pack with the upper lid.
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Citations
8 Claims
- 1. In a battery pack for personal digital assistance which is connected to the personal digital assistance body as a main operation power supply, incorporating non-telephone functions together with a power supply.
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4. A battery pack for mobile telephone which is connected to the mobile telephone body as a main operation power supply, comprising a power supply, and incorporating non-telephone functions at least part of which is executable, even if the battery pack is removed from the mobile telephone body.
Specification