FR2870652B1 - SECURITY DEVICE REPRODUCING A LOGIC FUNCTION, IN PARTICULAR A "AND" SECURITY - Google Patents

SECURITY DEVICE REPRODUCING A LOGIC FUNCTION, IN PARTICULAR A "AND" SECURITY

Info

Publication number
FR2870652B1
FR2870652B1 FR0405556A FR0405556A FR2870652B1 FR 2870652 B1 FR2870652 B1 FR 2870652B1 FR 0405556 A FR0405556 A FR 0405556A FR 0405556 A FR0405556 A FR 0405556A FR 2870652 B1 FR2870652 B1 FR 2870652B1
Authority
FR
France
Prior art keywords
security
logic function
device reproducing
security device
reproducing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
FR0405556A
Other languages
French (fr)
Other versions
FR2870652A1 (en
Inventor
Eric Cheniau
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SCLE SOC DE CONSTRUCTION DE LI
Original Assignee
SCLE SOC DE CONSTRUCTION DE LI
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SCLE SOC DE CONSTRUCTION DE LI filed Critical SCLE SOC DE CONSTRUCTION DE LI
Priority to FR0405556A priority Critical patent/FR2870652B1/en
Publication of FR2870652A1 publication Critical patent/FR2870652A1/en
Application granted granted Critical
Publication of FR2870652B1 publication Critical patent/FR2870652B1/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
    • H03K19/007—Fail-safe circuits
    • H03K19/0075—Fail-safe circuits by using two redundant chains
FR0405556A 2004-05-24 2004-05-24 SECURITY DEVICE REPRODUCING A LOGIC FUNCTION, IN PARTICULAR A "AND" SECURITY Expired - Fee Related FR2870652B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0405556A FR2870652B1 (en) 2004-05-24 2004-05-24 SECURITY DEVICE REPRODUCING A LOGIC FUNCTION, IN PARTICULAR A "AND" SECURITY

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0405556A FR2870652B1 (en) 2004-05-24 2004-05-24 SECURITY DEVICE REPRODUCING A LOGIC FUNCTION, IN PARTICULAR A "AND" SECURITY

Publications (2)

Publication Number Publication Date
FR2870652A1 FR2870652A1 (en) 2005-11-25
FR2870652B1 true FR2870652B1 (en) 2007-08-03

Family

ID=34946156

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0405556A Expired - Fee Related FR2870652B1 (en) 2004-05-24 2004-05-24 SECURITY DEVICE REPRODUCING A LOGIC FUNCTION, IN PARTICULAR A "AND" SECURITY

Country Status (1)

Country Link
FR (1) FR2870652B1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2510845A1 (en) * 1981-07-31 1983-02-04 Omera Segid LOGIC SAFETY CIRCUITS USED IN PARTICULAR IN RAILWAY SIGNALING AND ELECTRONIC PROCESSING BOX, OR AUTOMATION INCORPORATING AT LEAST ONE OF THESE CIRCUITS
FR2553605B1 (en) * 1983-10-13 1988-12-02 Jeumont Schneider THRESHOLD AND INTRINSICALLY SECURITY LOGIC CIRCUIT
EP1285497A1 (en) * 1999-12-30 2003-02-26 Ge-Harris Railway Electronics L.L.C. Vital "and" gate apparatus and method

Also Published As

Publication number Publication date
FR2870652A1 (en) 2005-11-25

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