ATA103274A
Expired / Lapsed
AT
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CIRCUIT ARRANGEMENT FOR THE SECURED ENTRY OF BINAR INFORMATION IN A DIGITAL DATA PROCESSING SYSTEM, IN PARTICULAR FOR RAILWAY SECURITY
Assignee: Siemens Ag
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Filing: 1974-02-08
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Granted: —
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Expires: 1994-02-08
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
AT
Data Source
google_patents
Last Synchronized
2026-11-04 13:13
CPC Classifications
G; G06; G06F; G06F11/00; G06F11/07; G06F11/0796; B; B61; B61L; B61L1/00; B61L1/20; H; H03; H03K; H03K19/00; H03K19/007; H03K19/0075; H03K3/00; H03K3/01; H03K3/013
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