PT79313B - Circuit logique a seuil et a securite intrinseque - Google Patents
Circuit logique a seuil et a securite intrinsequeInfo
- Publication number
- PT79313B PT79313B PT79313A PT7931384A PT79313B PT 79313 B PT79313 B PT 79313B PT 79313 A PT79313 A PT 79313A PT 7931384 A PT7931384 A PT 7931384A PT 79313 B PT79313 B PT 79313B
- Authority
- PT
- Portugal
- Prior art keywords
- threshold
- logic circuit
- intrinsic security
- intrinsic
- security
- Prior art date
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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Logic Circuits (AREA)
- Measurement Of Current Or Voltage (AREA)
- Amplifiers (AREA)
- Manipulation Of Pulses (AREA)
- Electronic Switches (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8316331A FR2553605B1 (fr) | 1983-10-13 | 1983-10-13 | Circuit logique a seuil et a securite intrinseque |
Publications (2)
Publication Number | Publication Date |
---|---|
PT79313A PT79313A (fr) | 1984-11-01 |
PT79313B true PT79313B (fr) | 1986-08-19 |
Family
ID=9293114
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PT79313A PT79313B (fr) | 1983-10-13 | 1984-10-03 | Circuit logique a seuil et a securite intrinseque |
Country Status (11)
Country | Link |
---|---|
US (1) | US4677316A (pt) |
EP (1) | EP0138706B1 (pt) |
BR (1) | BR8405080A (pt) |
CA (1) | CA1213006A (pt) |
DE (1) | DE3480454D1 (pt) |
ES (1) | ES536626A0 (pt) |
FR (1) | FR2553605B1 (pt) |
IN (1) | IN163002B (pt) |
MX (1) | MX156832A (pt) |
PT (1) | PT79313B (pt) |
ZA (1) | ZA847983B (pt) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9606174D0 (en) * | 1996-03-23 | 1996-05-29 | Atomic Energy Authority Uk | Signal monitor |
WO2001050604A1 (en) * | 1999-12-30 | 2001-07-12 | Ge-Harris Railway Electronics, Llc | Vital 'and' gate apparatus and method |
FR2870652B1 (fr) * | 2004-05-24 | 2007-08-03 | Scle Soc De Construction De Li | Dispositif de securite reproduisant une fonction logique notamment un "et" de securite |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL274016A (pt) * | 1961-01-26 | |||
US3430066A (en) * | 1965-08-31 | 1969-02-25 | Westinghouse Air Brake Co | Unit gain fail safe "and" logic circuit |
GB1242540A (en) * | 1967-12-21 | 1971-08-11 | Westinghouse Brake & Signal | Static gating circuits |
US3995173A (en) * | 1974-05-30 | 1976-11-30 | General Signal Corporation | Solid state fail-safe logic system |
US4130764A (en) * | 1977-07-27 | 1978-12-19 | Westinghouse Air Brake Company | Fail-safe or logic circuit |
US4125784A (en) * | 1977-07-27 | 1978-11-14 | Westinghouse Air Brake Company | Fail-safe or gate |
FR2510845A1 (fr) * | 1981-07-31 | 1983-02-04 | Omera Segid | Circuits logiques de securite utilisables notamment en signalisation ferroviaire et boite de traitement electronique, ou automatisme incorporant au moins un de ces circuits |
JPS58188923A (ja) * | 1982-04-28 | 1983-11-04 | Nippon Denso Co Ltd | 周期信号検出回路 |
-
1983
- 1983-10-13 FR FR8316331A patent/FR2553605B1/fr not_active Expired
-
1984
- 1984-10-03 PT PT79313A patent/PT79313B/pt unknown
- 1984-10-04 CA CA000464757A patent/CA1213006A/fr not_active Expired
- 1984-10-08 BR BR8405080A patent/BR8405080A/pt unknown
- 1984-10-09 ES ES536626A patent/ES536626A0/es active Granted
- 1984-10-09 DE DE8484402029T patent/DE3480454D1/de not_active Expired
- 1984-10-09 EP EP84402029A patent/EP0138706B1/fr not_active Expired
- 1984-10-10 US US06/659,552 patent/US4677316A/en not_active Expired - Fee Related
- 1984-10-11 MX MX203035A patent/MX156832A/es unknown
- 1984-10-12 ZA ZA847983A patent/ZA847983B/xx unknown
- 1984-10-12 IN IN768/MAS/84A patent/IN163002B/en unknown
Also Published As
Publication number | Publication date |
---|---|
ZA847983B (en) | 1985-05-29 |
US4677316A (en) | 1987-06-30 |
ES8506414A1 (es) | 1985-07-16 |
EP0138706B1 (fr) | 1989-11-08 |
FR2553605A1 (fr) | 1985-04-19 |
EP0138706A3 (pt) | 1985-06-12 |
ES536626A0 (es) | 1985-07-16 |
BR8405080A (pt) | 1985-08-20 |
IN163002B (pt) | 1988-07-30 |
FR2553605B1 (fr) | 1988-12-02 |
MX156832A (es) | 1988-10-05 |
EP0138706A2 (fr) | 1985-04-24 |
DE3480454D1 (en) | 1989-12-14 |
PT79313A (fr) | 1984-11-01 |
CA1213006A (fr) | 1986-10-21 |
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