JPS5770461A - Speed measuring device - Google Patents

Speed measuring device

Info

Publication number
JPS5770461A
JPS5770461A JP14716080A JP14716080A JPS5770461A JP S5770461 A JPS5770461 A JP S5770461A JP 14716080 A JP14716080 A JP 14716080A JP 14716080 A JP14716080 A JP 14716080A JP S5770461 A JPS5770461 A JP S5770461A
Authority
JP
Japan
Prior art keywords
objects
reference distances
detected
wheel
pulses
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.)
Granted
Application number
JP14716080A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6118139B2 (enrdf_load_stackoverflow
Inventor
Hironori Matsumoto
Yasuyuki Tsuchida
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sanyo Electric Co Ltd
Sanyo Denki Co Ltd
Original Assignee
Sanyo Electric Co Ltd
Sanyo Denki Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sanyo Electric Co Ltd, Sanyo Denki Co Ltd filed Critical Sanyo Electric Co Ltd
Priority to JP14716080A priority Critical patent/JPS5770461A/ja
Publication of JPS5770461A publication Critical patent/JPS5770461A/ja
Publication of JPS6118139B2 publication Critical patent/JPS6118139B2/ja
Granted legal-status Critical Current

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
    • G01P3/489—Digital circuits therefor

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Distances Traversed On The Ground (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
JP14716080A 1980-10-20 1980-10-20 Speed measuring device Granted JPS5770461A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14716080A JPS5770461A (en) 1980-10-20 1980-10-20 Speed measuring device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14716080A JPS5770461A (en) 1980-10-20 1980-10-20 Speed measuring device

Publications (2)

Publication Number Publication Date
JPS5770461A true JPS5770461A (en) 1982-04-30
JPS6118139B2 JPS6118139B2 (enrdf_load_stackoverflow) 1986-05-10

Family

ID=15423937

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14716080A Granted JPS5770461A (en) 1980-10-20 1980-10-20 Speed measuring device

Country Status (1)

Country Link
JP (1) JPS5770461A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59216060A (ja) * 1983-05-23 1984-12-06 Tsuyama Kinzoku Seisakusho:Kk 自転車の速度等測定表示装置
US7061228B2 (en) * 2002-08-28 2006-06-13 Shimano, Inc. Apparatus for detecting rotation of a bicycle part

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59216060A (ja) * 1983-05-23 1984-12-06 Tsuyama Kinzoku Seisakusho:Kk 自転車の速度等測定表示装置
US7061228B2 (en) * 2002-08-28 2006-06-13 Shimano, Inc. Apparatus for detecting rotation of a bicycle part

Also Published As

Publication number Publication date
JPS6118139B2 (enrdf_load_stackoverflow) 1986-05-10

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