BR7504052A - Circuito temporizador com seguranca intrinseca para rele - Google Patents
Circuito temporizador com seguranca intrinseca para releInfo
- Publication number
- BR7504052A BR7504052A BR5203/75D BR7505203D BR7504052A BR 7504052 A BR7504052 A BR 7504052A BR 5203/75 D BR5203/75 D BR 5203/75D BR 7505203 D BR7505203 D BR 7505203D BR 7504052 A BR7504052 A BR 7504052A
- Authority
- BR
- Brazil
- Prior art keywords
- relay
- timing circuit
- intrinsic safety
- intrinsic
- safety
- Prior art date
Links
- 238000004353 relayed correlation spectroscopy Methods 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
- H03K17/60—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being bipolar transistors
- H03K17/601—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being bipolar transistors using transformer coupling
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
- H01H47/02—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay
- H01H47/18—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay for introducing delay in the operation of the relay
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Relay Circuits (AREA)
- Pulse Circuits (AREA)
- Electronic Switches (AREA)
- Emergency Protection Circuit Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7423001A FR2277426A1 (fr) | 1974-07-02 | 1974-07-02 | Circuit temporisateur a securite intrinseque pour relais |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR7504052A true BR7504052A (pt) | 1976-06-29 |
Family
ID=9140787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR5203/75D BR7504052A (pt) | 1974-07-02 | 1975-06-27 | Circuito temporizador com seguranca intrinseca para rele |
Country Status (8)
| Country | Link |
|---|---|
| AU (1) | AU498894B2 (https=) |
| BE (1) | BE830864A (https=) |
| BR (1) | BR7504052A (https=) |
| CA (1) | CA1045241A (https=) |
| ES (1) | ES438374A1 (https=) |
| FR (1) | FR2277426A1 (https=) |
| LU (1) | LU72867A1 (https=) |
| ZA (1) | ZA754198B (https=) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2524738B1 (fr) * | 1982-04-02 | 1986-05-16 | Jeumont Schneider | Circuit temporisateur a securite intrinseque |
| US20230218166A1 (en) * | 2020-04-17 | 2023-07-13 | Szuster Holdings Llc | Ophthalmic portable laser slit lamp and method for eye inspection |
-
1974
- 1974-07-02 FR FR7423001A patent/FR2277426A1/fr active Granted
-
1975
- 1975-06-10 ES ES438374A patent/ES438374A1/es not_active Expired
- 1975-06-27 BR BR5203/75D patent/BR7504052A/pt unknown
- 1975-06-30 LU LU72867A patent/LU72867A1/xx unknown
- 1975-06-30 AU AU82569/75A patent/AU498894B2/en not_active Expired
- 1975-06-30 CA CA230,433A patent/CA1045241A/fr not_active Expired
- 1975-07-01 ZA ZA00754198A patent/ZA754198B/xx unknown
- 1975-07-01 BE BE1006758A patent/BE830864A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| ZA754198B (en) | 1976-06-30 |
| CA1045241A (fr) | 1978-12-26 |
| BE830864A (fr) | 1975-11-03 |
| AU498894B2 (en) | 1979-03-29 |
| AU8256975A (en) | 1977-01-06 |
| ES438374A1 (es) | 1977-01-16 |
| FR2277426B1 (https=) | 1976-12-24 |
| LU72867A1 (https=) | 1975-10-08 |
| FR2277426A1 (fr) | 1976-01-30 |
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