FR2446025B3 - - Google Patents
Info
- Publication number
- FR2446025B3 FR2446025B3 FR7900269A FR7900269A FR2446025B3 FR 2446025 B3 FR2446025 B3 FR 2446025B3 FR 7900269 A FR7900269 A FR 7900269A FR 7900269 A FR7900269 A FR 7900269A FR 2446025 B3 FR2446025 B3 FR 2446025B3
- Authority
- FR
- France
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B29/00—Safety devices of escalators or moving walkways
- B66B29/005—Applications of security monitors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
- H02H7/093—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against increase beyond, or decrease below, a predetermined level of rotational speed
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7900269A FR2446025A1 (fr) | 1979-01-05 | 1979-01-05 | Circuit de securite a relais sensible aux ecarts de vitesse d'un equipement, notamment d'un escalier mecanique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7900269A FR2446025A1 (fr) | 1979-01-05 | 1979-01-05 | Circuit de securite a relais sensible aux ecarts de vitesse d'un equipement, notamment d'un escalier mecanique |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2446025A1 FR2446025A1 (fr) | 1980-08-01 |
| FR2446025B3 true FR2446025B3 (US06649357-20031118-C00005.png) | 1981-09-04 |
Family
ID=9220502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7900269A Granted FR2446025A1 (fr) | 1979-01-05 | 1979-01-05 | Circuit de securite a relais sensible aux ecarts de vitesse d'un equipement, notamment d'un escalier mecanique |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2446025A1 (US06649357-20031118-C00005.png) |
-
1979
- 1979-01-05 FR FR7900269A patent/FR2446025A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2446025A1 (fr) | 1980-08-01 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |