Title: Specialized digital computer with divided memory and arithmetic units

Abstract: A specialized digital computer, adapted to carry out a specific and delimited range of functions with respect to its application, comprises separate and functionally different stores including: a program store, an input-output buffer store, a permanent-data store and a working store. The computer further comprises a long-operation arithmetic unit and a short-operation arithmetic unit which may operate simultaneously. It may also comprise circuits intended for making program branches by indirect addressing and also self-checking circuits of high efficiency.

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Inventors: Beriot, Alain (Paris, FR)

Application Number: 435593
Filing Date: 1974-01-22
Publication_date: 1976-01-13
Assignee: Thomson-CSF (Paris, FR)
Primary Class(es): 712/214 708/100
Other Classes:
US Patent Ref:

3348210	Oct, 1967	Ochsner	340/172.
3594732	Jul, 1971	Mendelson	340/172.
3697734	Oct, 1972	Booth et al.	235/164.
3760171	Sep, 1973	Wang et al.	235/156.

Other Refs:
Primary Examiner: Malzahn, David H.
Assistant Examiner:
Attorney: Ross; Karl F., Dubno; Herbert