FR641889A - Speed indicator - Google Patents
Speed indicatorInfo
- Publication number
- FR641889A FR641889A FR641889DA FR641889A FR 641889 A FR641889 A FR 641889A FR 641889D A FR641889D A FR 641889DA FR 641889 A FR641889 A FR 641889A
- Authority
- FR
- France
- Prior art keywords
- speed indicator
- indicator
- speed
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/02—Devices characterised by the use of mechanical means
- G01P3/10—Devices characterised by the use of mechanical means by actuating an indicating element, e.g. pointer, for a fixed time
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Unknown Time Intervals (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR641889T | 1927-03-12 | ||
| FR543243X | 1927-04-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR641889A true FR641889A (en) | 1928-08-13 |
Family
ID=63721209
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR641889D Expired FR641889A (en) | 1927-03-12 | 1927-03-12 | Speed indicator |
| FR33730D Expired FR33730E (en) | 1927-03-12 | 1927-04-08 | Speed indicator |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR33730D Expired FR33730E (en) | 1927-03-12 | 1927-04-08 | Speed indicator |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE543243C (en) |
| FR (2) | FR641889A (en) |
| GB (1) | GB288285A (en) |
-
1927
- 1927-03-12 FR FR641889D patent/FR641889A/en not_active Expired
- 1927-04-08 FR FR33730D patent/FR33730E/en not_active Expired
-
1928
- 1928-03-13 DE DEM103874D patent/DE543243C/en not_active Expired
- 1928-03-29 GB GB9580/28A patent/GB288285A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR33730E (en) | 1929-02-22 |
| GB288285A (en) | 1929-03-07 |
| DE543243C (en) | 1932-02-03 |
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