FR2328967B1 - - Google Patents
Info
- Publication number
- FR2328967B1 FR2328967B1 FR7632094A FR7632094A FR2328967B1 FR 2328967 B1 FR2328967 B1 FR 2328967B1 FR 7632094 A FR7632094 A FR 7632094A FR 7632094 A FR7632094 A FR 7632094A FR 2328967 B1 FR2328967 B1 FR 2328967B1
- 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
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
- B60T8/88—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration with failure responsive means, i.e. means for detecting and indicating faulty operation of the speed responsive control means
- B60T8/885—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration with failure responsive means, i.e. means for detecting and indicating faulty operation of the speed responsive control means using electrical circuitry
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P21/00—Testing or calibrating of apparatus or devices covered by the preceding groups
- G01P21/02—Testing or calibrating of apparatus or devices covered by the preceding groups of speedometers
-
- 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
- G01P3/56—Devices characterised by the use of electric or magnetic means for comparing two speeds
- G01P3/60—Devices characterised by the use of electric or magnetic means for comparing two speeds by measuring or comparing frequency of generated currents or voltages
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T2270/00—Further aspects of brake control systems not otherwise provided for
- B60T2270/40—Failsafe aspects of brake control systems
- B60T2270/406—Test-mode; Self-diagnosis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T2270/00—Further aspects of brake control systems not otherwise provided for
- B60T2270/40—Failsafe aspects of brake control systems
- B60T2270/416—Wheel speed sensor failure
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Regulating Braking Force (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19752547869 DE2547869C2 (de) | 1975-10-25 | Verfahren und Schaltungsanordnung zur Überprüfung der Funktionstüchtigkeit eines elektrischen Drehzahlgebers |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2328967A1 FR2328967A1 (fr) | 1977-05-20 |
FR2328967B1 true FR2328967B1 (fr) | 1982-08-13 |
Family
ID=5960102
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7632094A Granted FR2328967A1 (fr) | 1975-10-25 | 1976-10-25 | Procede et dispositif pour verifier le bon fonctionnement d'un indicateur electrique de vitesse de rotation |
Country Status (3)
Country | Link |
---|---|
US (1) | US4092853A (fr) |
FR (1) | FR2328967A1 (fr) |
GB (1) | GB1562741A (fr) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2015746B (en) * | 1978-02-28 | 1982-07-28 | Girling Ltd | Speed sensors |
DE3126102A1 (de) * | 1981-07-02 | 1983-01-20 | Robert Bosch Gmbh, 7000 Stuttgart | Antiblockierregelsystem |
JPS61193961A (ja) * | 1985-02-25 | 1986-08-28 | Nippon Denso Co Ltd | 回転速度センサの異常検出装置 |
DE3513937A1 (de) * | 1985-04-18 | 1986-10-23 | Robert Bosch Gmbh, 7000 Stuttgart | Verfahren zur ueberwachung eines drehzahlgeber-signals |
JPH077002B2 (ja) * | 1987-06-02 | 1995-01-30 | トヨタ自動車株式会社 | 回転数センサ異常検出装置 |
GB2241123B (en) * | 1990-02-16 | 1993-09-29 | Teves Gmbh Alfred | Circuit arrangement for an anti-lock-controlled vehicle brake system |
DE4014315A1 (de) * | 1990-05-04 | 1991-11-07 | Bosch Gmbh Robert | Ueberwachungseinrichtung fuer eine digitale frequenzmesseinrichtung |
GB2245038B (en) * | 1990-06-07 | 1994-03-23 | Toyota Motor Co Ltd | Device for detecting accumulator fluid leakage through control valve and restoring proper valve seating |
DE4122016A1 (de) * | 1991-07-03 | 1993-01-21 | Hella Kg Hueck & Co | Antiblockierregelsystem |
US5492008A (en) * | 1994-03-18 | 1996-02-20 | Kelsey-Hayes Company | Method and system for testing vehicular antilock brake system components |
JP2867901B2 (ja) * | 1994-12-05 | 1999-03-10 | 住友電気工業株式会社 | Abs用マイクロコンピュータの故障検出装置 |
FR2778740B1 (fr) * | 1998-05-18 | 2000-07-13 | Eurocopter France | Dispositif de detection |
JP4964358B2 (ja) * | 1999-12-07 | 2012-06-27 | 株式会社デンソー | 回転センサの検出信号処理装置および回転センサの検出信号出力方法 |
DE10312208B3 (de) * | 2003-03-19 | 2004-07-01 | Lucas Automotive Gmbh | Verfahren und Vorrichtung zum Erfassen einer Drehzahl, insbesondere einer Raddrehzahl eines Kraftfahrzeugs |
FR3067471B1 (fr) | 2017-06-07 | 2019-10-11 | Safran Landing Systems | Equipement electrique destine a etre relie a un tachymetre |
US20240193027A1 (en) * | 2022-12-09 | 2024-06-13 | Baker Hughes Holdings Llc | Enhanced transducer fault detection |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2985828A (en) * | 1959-08-19 | 1961-05-23 | Itt | Pulse width evaluating system |
US3500375A (en) * | 1967-02-21 | 1970-03-10 | Trw Inc | Digital overspeed detector |
GB1362871A (en) * | 1971-10-07 | 1974-08-07 | Creed Co Ltd | Printing telegraph machine |
DE2253867C3 (de) * | 1972-11-03 | 1981-04-16 | Robert Bosch Gmbh, 7000 Stuttgart | Überwachungsschaltung für Antiblockierregelsysteme |
US3920284A (en) * | 1974-05-10 | 1975-11-18 | Eaton Corp | Monitoring circuitry for a skid control system |
-
1976
- 1976-10-18 US US05/733,125 patent/US4092853A/en not_active Expired - Lifetime
- 1976-10-25 FR FR7632094A patent/FR2328967A1/fr active Granted
- 1976-10-25 GB GB44183/76A patent/GB1562741A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2547869B1 (de) | 1977-04-28 |
GB1562741A (en) | 1980-03-12 |
FR2328967A1 (fr) | 1977-05-20 |
US4092853A (en) | 1978-06-06 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
DL | Decision of the director general to leave to make available licences of right | ||
ST | Notification of lapse |