IT1152595B - DEVICE TO DETECT THE NUMBER OF LAPS ON A TREE - Google Patents
DEVICE TO DETECT THE NUMBER OF LAPS ON A TREEInfo
- Publication number
- IT1152595B IT1152595B IT23288/82A IT2328882A IT1152595B IT 1152595 B IT1152595 B IT 1152595B IT 23288/82 A IT23288/82 A IT 23288/82A IT 2328882 A IT2328882 A IT 2328882A IT 1152595 B IT1152595 B IT 1152595B
- Authority
- IT
- Italy
- Prior art keywords
- laps
- tree
- detect
- 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
- G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
- G01P3/487—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals delivered by rotating magnets
-
- 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)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19813137177 DE3137177A1 (en) | 1981-09-18 | 1981-09-18 | DEVICE FOR SPEED DETECTION ON A SHAFT |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8223288A0 IT8223288A0 (en) | 1982-09-15 |
IT1152595B true IT1152595B (en) | 1987-01-07 |
Family
ID=6142050
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT23288/82A IT1152595B (en) | 1981-09-18 | 1982-09-15 | DEVICE TO DETECT THE NUMBER OF LAPS ON A TREE |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE3137177A1 (en) |
FR (1) | FR2513378B1 (en) |
GB (1) | GB2107470B (en) |
IT (1) | IT1152595B (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3326686C1 (en) * | 1983-07-23 | 1984-09-06 | Daimler-Benz Ag, 7000 Stuttgart | Electromagnetic clutch for a drive unit of a motor vehicle |
DE3543058C2 (en) * | 1985-12-05 | 1997-02-13 | Teves Gmbh Alfred | Method and circuit arrangement for processing a sensor signal |
DE3638622A1 (en) * | 1986-11-12 | 1988-05-26 | Mannesmann Kienzle Gmbh | MAGNETIC SENSOR |
US5144231A (en) * | 1988-09-30 | 1992-09-01 | Jeffrey Tenenbaum | Eddy current detector for detecting an object with offset compensation |
ATE75849T1 (en) * | 1988-10-13 | 1992-05-15 | Siemens Ag | ARRANGEMENT FOR NON-CONTACT DETECTION OF THE SPEED OF A ROTATING GEAR. |
JPH0599938A (en) * | 1991-10-04 | 1993-04-23 | Mitsubishi Electric Corp | Filter circuit for electromagnetic pickup |
FR3093137A1 (en) * | 2019-02-21 | 2020-08-28 | Safran Aircraft Engines | Digital filter with variable cut-off frequency |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB732532A (en) * | 1951-07-19 | 1955-06-29 | Sangamo Weston | Improvements in or relating to frequency responsive speed indicators particularly tachometers |
DE2739173B2 (en) * | 1977-08-31 | 1979-11-15 | Wabco Fahrzeugbremsen Gmbh, 3000 Hannover | Circuit arrangement for making sensor interference signals ineffective |
DE2814606A1 (en) * | 1978-04-05 | 1979-10-18 | Bosch Gmbh Robert | DEVICE FOR GENERATING A SPEED-DEPENDENT SIGNAL |
-
1981
- 1981-09-18 DE DE19813137177 patent/DE3137177A1/en not_active Withdrawn
-
1982
- 1982-08-17 FR FR8214232A patent/FR2513378B1/en not_active Expired
- 1982-09-15 IT IT23288/82A patent/IT1152595B/en active
- 1982-09-17 GB GB08226480A patent/GB2107470B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
IT8223288A0 (en) | 1982-09-15 |
DE3137177A1 (en) | 1983-03-31 |
FR2513378B1 (en) | 1987-04-10 |
GB2107470B (en) | 1986-01-02 |
GB2107470A (en) | 1983-04-27 |
FR2513378A1 (en) | 1983-03-25 |
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