Electricity: electrical systems and devices – Safety and protection of systems and devices – With specific current responsive fault sensor
Patent
1994-11-07
1997-05-06
Ray, Gopal C.
Electricity: electrical systems and devices
Safety and protection of systems and devices
With specific current responsive fault sensor
361749, 345173, 455 89, 379 96, G06F 1300, G06F 1900, H04M 1100, H05K 114
Patent
active
056280319
ABSTRACT:
A personal digital assistant module with a local CPU, memory, and I/O interface has a host interface comprising a bus connected to the local CPU and a connector at a surface of the personal digital assistant for interfacing to a bus connector of a host general-purpose computer, providing direct bus communication between the personal digital assistant and the host general-purpose computer. In an embodiment, the personal digital assistant also stores a security code. The personal digital assistant according to the invention forms a host/satellite combination with a host computer having a docking bay, wherein upon docking a docking protocol controls access by the host to memory of the personal digital assistant based on one or more passwords provided by a user to the host. In another embodiment the personal digital assistant also has an expansion port connected to the local CPU, and expansion peripheral devices may be connected and operated through the expansion port. In yet another embodiment a low-profile construction technique is used wherein discrete elements are assembled wholly enclosed within openings in a rigid substrate having interconnects on a surface of the substrate.
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Dornier Pascal
Kikinis Dan
Seiler William J.
Boys Donald R.
Elonex IP Holdings Ltd.
Ray Gopal C.
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