FR631795A - Tachometer - Google Patents
TachometerInfo
- Publication number
- FR631795A FR631795A FR631795DA FR631795A FR 631795 A FR631795 A FR 631795A FR 631795D A FR631795D A FR 631795DA FR 631795 A FR631795 A FR 631795A
- Authority
- FR
- France
- Prior art keywords
- tachometer
- 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
- G01P3/36—Devices characterised by the use of optical means, e.g. using infrared, visible, or ultraviolet light
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT631795X | 1926-09-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR631795A true FR631795A (en) | 1927-12-26 |
Family
ID=3677824
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR631795D Expired FR631795A (en) | 1926-09-09 | 1927-03-29 | Tachometer |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR631795A (en) |
-
1927
- 1927-03-29 FR FR631795D patent/FR631795A/en not_active Expired
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