| 摘要 |
An electronic unit for storing and displaying information includes a case, a computer having storage capability for electronically storing information and a processor for generating display signals corresponding to the stored information. A display screen is mounted within the case and connected to the processor for receiving the display signals generated by the processor and for displaying the information. At least one depressible key is mounted within the case, and a battery supplies electrical operating power to the computer. In addition, the unit includes a battery-saving feature for shutting off power to the display screen following a preselected period of time between successive depressions of any of the keys, and the case has a front which measures no more than about 3.5 inches by 2.0 inches and has a thickness which is no more than about 0.039 inches.
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