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"There is no reason anyone would want a computer in their home."
Ken Olsen, chairman and founder of Digital Equipment Corporation ; 1977
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| Number | Title | Issue Date |
| 5249218 | Programmable universal interface system A system including a portable computer with a central processing unit and associated software, and a modem with an output jack carrying data transmit (TX), data receive (RX), tip, ring, and programmable digital input/output (DIO) lines sufficient to facil... | 09/28/1993 |
| 5127041 | System and method for interfacing computers to diverse telephone networks A system for connecting a computer to both cellular and landline telephone systems is disclosed. A cellular modem has a single RJ-11 jack for interfacing either to a landline jack or to a signal processing cable connected to a cellular transceiver. The an... | 06/30/1992 |
| 4972457 | Portable hybrid communication system and methods A laptop device includes a personal computer, a cellular transceiver, a speakerphone, and a hybrid communications control unit. The device has connectors for attaching a headset, cellular control unit, land telephone line, and additional speakers and micr... | 11/20/1990 |
