System for inputting, processing and transmitting information and data
First Claim
1. A system for inputting, processing and transmitting information nd data, said system comprising:
- a plurality of memory cards, each of said memory cards comprising permanent memory means for storing permanent data and information, and removable memory means, detachably attached to said memory card, for storing temporary data and information;
a plurality of portable casings, each of said casings comprising a card slot for selectively receiving one of said memory boards, communication means for selectively transmitting and receiving data and information optically or acoustically, and a keyboard for manually inputting information; and
a plurality of specialized terminals capable of optically transmitting and receiving data and information with said communication means for said casings whereby said communication means communicates the data and information stored in said memory cards.
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Accused Products
Abstract
A system for inputting, receiving and transmitting information and data includes a plurality of portable casings that are each formed with a card slot for selectively receiving memory cards of the dual-chip type. The portable casings are further provided with a keyboard, a display screen, an infrared transmitter and receiver, an optical scanner, and an acoustic assembly composed of a speaker and a microphone. The portable casings are capable of transmitting and receiving information with a computer center, via a specialized terminal, and with other portable casings, either optically by virtue of infrared transmitters and receivers or acoustically over a telephone network.
128 Citations
12 Claims
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1. A system for inputting, processing and transmitting information nd data, said system comprising:
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a plurality of memory cards, each of said memory cards comprising permanent memory means for storing permanent data and information, and removable memory means, detachably attached to said memory card, for storing temporary data and information; a plurality of portable casings, each of said casings comprising a card slot for selectively receiving one of said memory boards, communication means for selectively transmitting and receiving data and information optically or acoustically, and a keyboard for manually inputting information; and a plurality of specialized terminals capable of optically transmitting and receiving data and information with said communication means for said casings whereby said communication means communicates the data and information stored in said memory cards. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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Specification