GB1514762A - Solid-state fail-safe logic system - Google Patents
Solid-state fail-safe logic systemInfo
- Publication number
- GB1514762A GB1514762A GB20715/75A GB2071575A GB1514762A GB 1514762 A GB1514762 A GB 1514762A GB 20715/75 A GB20715/75 A GB 20715/75A GB 2071575 A GB2071575 A GB 2071575A GB 1514762 A GB1514762 A GB 1514762A
- Authority
- GB
- United Kingdom
- Prior art keywords
- signal
- circuit
- load
- transistor
- output
- 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
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
- H03K19/02—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components
- H03K19/14—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled
-
- 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)
- Electronic Switches (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US47463874A | 1974-05-30 | 1974-05-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1514762A true GB1514762A (en) | 1978-06-21 |
Family
ID=23884399
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB20715/75A Expired GB1514762A (en) | 1974-05-30 | 1975-05-15 | Solid-state fail-safe logic system |
Country Status (5)
Country | Link |
---|---|
FR (1) | FR2273416B1 (da) |
GB (1) | GB1514762A (da) |
IT (1) | IT1033889B (da) |
NL (1) | NL170687C (da) |
ZA (1) | ZA753004B (da) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2136233A (en) * | 1983-02-28 | 1984-09-12 | Westinghouse Electric Corp | Circuit for sensing the status of a voltage input over a wide range of voltage levels and waveforms |
GB2138229A (en) * | 1983-04-08 | 1984-10-17 | Gec General Signal Ltd | Opto-isolator arrangement |
CN109600135A (zh) * | 2018-11-09 | 2019-04-09 | 天津航空机电有限公司 | 一种双模式独立控制的功率驱动电路 |
-
1975
- 1975-05-09 ZA ZA00753004A patent/ZA753004B/xx unknown
- 1975-05-15 GB GB20715/75A patent/GB1514762A/en not_active Expired
- 1975-05-27 IT IT12623/75A patent/IT1033889B/it active
- 1975-05-28 FR FR7516610A patent/FR2273416B1/fr not_active Expired
- 1975-05-29 NL NLAANVRAGE7506346,A patent/NL170687C/xx not_active IP Right Cessation
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2136233A (en) * | 1983-02-28 | 1984-09-12 | Westinghouse Electric Corp | Circuit for sensing the status of a voltage input over a wide range of voltage levels and waveforms |
GB2138229A (en) * | 1983-04-08 | 1984-10-17 | Gec General Signal Ltd | Opto-isolator arrangement |
CN109600135A (zh) * | 2018-11-09 | 2019-04-09 | 天津航空机电有限公司 | 一种双模式独立控制的功率驱动电路 |
CN109600135B (zh) * | 2018-11-09 | 2023-05-23 | 天津航空机电有限公司 | 一种双模式独立控制的功率驱动电路 |
Also Published As
Publication number | Publication date |
---|---|
FR2273416A1 (da) | 1975-12-26 |
NL170687C (nl) | 1982-12-01 |
IT1033889B (it) | 1979-08-10 |
NL7506346A (nl) | 1975-12-02 |
ZA753004B (en) | 1976-03-31 |
NL170687B (nl) | 1982-07-01 |
FR2273416B1 (da) | 1980-01-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19940515 |