JPS5677759A - Detecting device of rotational frequency - Google Patents
Detecting device of rotational frequencyInfo
- Publication number
- JPS5677759A JPS5677759A JP15470179A JP15470179A JPS5677759A JP S5677759 A JPS5677759 A JP S5677759A JP 15470179 A JP15470179 A JP 15470179A JP 15470179 A JP15470179 A JP 15470179A JP S5677759 A JPS5677759 A JP S5677759A
- Authority
- JP
- Japan
- Prior art keywords
- rotational frequency
- frequency
- signal
- teeth
- engine
- 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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 abstract 2
- 238000007493 shaping process Methods 0.000 abstract 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/0097—Electrical control of supply of combustible mixture or its constituents using means for generating speed signals
-
- 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
- G01P3/489—Digital circuits therefor
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
- H03L7/18—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop
- H03L7/183—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a time difference being used for locking the loop, the counter counting between fixed numbers or the frequency divider dividing by a fixed number
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Linear Or Angular Velocity Measurement And Their Indicating Devices (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15470179A JPS5677759A (en) | 1979-11-29 | 1979-11-29 | Detecting device of rotational frequency |
GB8034585A GB2064129B (en) | 1979-11-29 | 1980-10-28 | Measuring rotational speed electrically |
DE19803044924 DE3044924A1 (de) | 1979-11-29 | 1980-11-28 | Einrichtung zum messen der drehzahl |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15470179A JPS5677759A (en) | 1979-11-29 | 1979-11-29 | Detecting device of rotational frequency |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5677759A true JPS5677759A (en) | 1981-06-26 |
Family
ID=15590051
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15470179A Pending JPS5677759A (en) | 1979-11-29 | 1979-11-29 | Detecting device of rotational frequency |
Country Status (3)
Country | Link |
---|---|
JP (1) | JPS5677759A (ja) |
DE (1) | DE3044924A1 (ja) |
GB (1) | GB2064129B (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61137219U (ja) * | 1985-02-15 | 1986-08-26 | ||
US6493628B2 (en) * | 2000-01-20 | 2002-12-10 | Denso Corporation | Engine control unit having frequency-multiplied signal generating function |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0113455A1 (en) * | 1982-12-15 | 1984-07-18 | Honeywell Inc. | Apparatus for counting the number of fringe changes of a varying interference fringe pattern |
GB8318008D0 (en) * | 1983-07-02 | 1983-08-03 | Lucas Ind Plc | Angular position detector |
FR2558619B1 (fr) * | 1984-01-24 | 1989-09-08 | Ramses | Procede et dispositif electronique de simulation d'au moins un capteur de position, pour au moins un organe en mouvement |
US4742297A (en) * | 1985-07-08 | 1988-05-03 | Teleflex Incorporated | Programmable cycle meter |
FR2645648B1 (fr) * | 1989-04-07 | 1991-11-29 | Lorraine Laminage | Dispositif de mesure de la vitesse de rotation notamment d'un moteur de cage de laminoir |
-
1979
- 1979-11-29 JP JP15470179A patent/JPS5677759A/ja active Pending
-
1980
- 1980-10-28 GB GB8034585A patent/GB2064129B/en not_active Expired
- 1980-11-28 DE DE19803044924 patent/DE3044924A1/de not_active Ceased
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61137219U (ja) * | 1985-02-15 | 1986-08-26 | ||
US6493628B2 (en) * | 2000-01-20 | 2002-12-10 | Denso Corporation | Engine control unit having frequency-multiplied signal generating function |
Also Published As
Publication number | Publication date |
---|---|
GB2064129B (en) | 1983-07-06 |
GB2064129A (en) | 1981-06-10 |
DE3044924A1 (de) | 1982-05-27 |
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