CH499833A - Tachograph for vehicle - Google Patents
Tachograph for vehicleInfo
- Publication number
- CH499833A CH499833A CH83569A CH83569A CH499833A CH 499833 A CH499833 A CH 499833A CH 83569 A CH83569 A CH 83569A CH 83569 A CH83569 A CH 83569A CH 499833 A CH499833 A CH 499833A
- Authority
- CH
- Switzerland
- Prior art keywords
- tachograph
- vehicle
- Prior art date
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
- G01P3/42—Devices characterised by the use of electric or magnetic means
- G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
- G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
- G01P3/4802—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage by using electronic circuits in general
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Recording Measured Values (AREA)
- Control Of Stepping Motors (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB405468 | 1968-01-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH499833A true CH499833A (en) | 1970-11-30 |
Family
ID=9769860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH83569A CH499833A (en) | 1968-01-25 | 1969-01-21 | Tachograph for vehicle |
Country Status (4)
| Country | Link |
|---|---|
| CH (1) | CH499833A (en) |
| DE (1) | DE1903370A1 (en) |
| FR (1) | FR2000711A1 (en) |
| GB (1) | GB1251041A (en) |
-
1968
- 1968-01-25 GB GB1251041D patent/GB1251041A/en not_active Expired
-
1969
- 1969-01-21 CH CH83569A patent/CH499833A/en not_active IP Right Cessation
- 1969-01-23 FR FR6901178A patent/FR2000711A1/fr not_active Withdrawn
- 1969-01-23 DE DE19691903370 patent/DE1903370A1/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| GB1251041A (en) | 1971-10-27 |
| FR2000711A1 (en) | 1969-09-12 |
| DE1903370A1 (en) | 1969-09-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |