CASE BATTERY
First Claim
1. A case battery for a personal digital assistant, the case battery comprising:
- a holding portion configured to hold the personal digital assistant detachably, wherein the personal digital assistant comprises a battery, a power input and one or more speakers, anda charging portion disposed in the holding portion, the charging portion being configured to be electrically connected to the power input through a connector so as to provide electrical power to the personal digital assistant while the personal digital assistant is attached,wherein the charging portion is configured to extend the usage time of the personal digital assistant.
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Accused Products
Abstract
A case battery for a personal digital assistant is provided. The case battery includes a holding portion and a charging portion. The holding portion holds the personal digital assistant detachably. The charging portion is disposed in the holding portion and configured to be electrically connected to the power input. The charging portion extends the usage time of the personal digital assistant. The charging portion includes an electrical power acceptor configured to accept electrical power from outside. The charging portion may further include a secondary battery, and the electrical power acceptor is configured to charge the secondary battery using an external electrical power source. The charging portion may include a primary battery and a receptacle configured to accept the primary battery.
48 Citations
18 Claims
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1. A case battery for a personal digital assistant, the case battery comprising:
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a holding portion configured to hold the personal digital assistant detachably, wherein the personal digital assistant comprises a battery, a power input and one or more speakers, and a charging portion disposed in the holding portion, the charging portion being configured to be electrically connected to the power input through a connector so as to provide electrical power to the personal digital assistant while the personal digital assistant is attached, wherein the charging portion is configured to extend the usage time of the personal digital assistant. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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Specification