04523297 is referenced by 121 patents and cites 20 patents.

A portable hand-held machine M1 includes a keyboard M4, a display screen a microprocessor, and a memory. The machine includes a receptacle M2, and a connector M6 to enable connection to at least one removable carrier M3 comprising a memory associated with a microprocessor M8. Circuits are provided for establishing a dialog between the machine M1 and the removable carrier M3.

Title
Hand-held processor with two-way dialog between microprocessor in case and microprocessor on carrier insertable into casing slot
Application Number
262606
Publication Number
4523297
Application Date
September 7, 1984
Publication Date
June 11, 1985
Inventor
Jean Pierre Nonat
Maule
FR
Michel Ugon
Maurepas
FR
Agent
Kerkam Stowell Kondracki & Clarke
Assignee
Compagnie Internationale pour l Informatique Cii Honeywell Bull
FR
IPC
G06F 3/00
G06F 15/16
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