JPS6431053A - Car speed detector - Google Patents

Car speed detector

Info

Publication number
JPS6431053A
JPS6431053A JP62187112A JP18711287A JPS6431053A JP S6431053 A JPS6431053 A JP S6431053A JP 62187112 A JP62187112 A JP 62187112A JP 18711287 A JP18711287 A JP 18711287A JP S6431053 A JPS6431053 A JP S6431053A
Authority
JP
Japan
Prior art keywords
speed
frequency
output
definite
signal
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
Application number
JP62187112A
Other languages
Japanese (ja)
Inventor
Takabumi Tetsuya
Norio Okuya
Mikio Hasegawa
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP62187112A priority Critical patent/JPS6431053A/en
Publication of JPS6431053A publication Critical patent/JPS6431053A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE:To obtain a speed detection signal reduced in pulsation even when the speed of a position detecting means is low, by providing the position detecting means, the first and second frequency-voltage converting means and the first and second analogue switches. CONSTITUTION:An amplifying means 22, which amplifies the output of the first frequency-voltage converting means 3 proportional to the frequency of the input signal of the position detecting means 1 and the output of the second frequency-voltage converting means 21 outputting the voltage proportional to the frequency of the signal obtained by multiplying the output signal of the means 1 by N, and the first and second analogue switches 23, 24 are provided. Further a voltage level comparing means 25 detecting the speed of the means 1 to a voltage level comparing means 25 detecting the speed of the means 1 to turn the switch 24 ON when said speed is a definite speed or less and turning the switch 23 OFF when said speed is the definite speed or more and a filter means 4 inputting the outputs of the switches 23, 24 are provided. When the speed of the means 1 is within a low speed region of the definite speed or less, the output of the means 22 low in pulsation is issued and, in a high speed region of the definite speed or more, the output of the means 3 stable in a signal and reduced in pulsation within the high speed region is issued.
JP62187112A 1987-07-27 1987-07-27 Car speed detector Pending JPS6431053A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62187112A JPS6431053A (en) 1987-07-27 1987-07-27 Car speed detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62187112A JPS6431053A (en) 1987-07-27 1987-07-27 Car speed detector

Publications (1)

Publication Number Publication Date
JPS6431053A true JPS6431053A (en) 1989-02-01

Family

ID=16200313

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62187112A Pending JPS6431053A (en) 1987-07-27 1987-07-27 Car speed detector

Country Status (1)

Country Link
JP (1) JPS6431053A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0336957U (en) * 1989-08-22 1991-04-10
JP2011027448A (en) * 2009-07-22 2011-02-10 Ntn Corp Rotation detector and bearing provided with rotation detector
JP2012100410A (en) * 2010-11-01 2012-05-24 Denso Corp Inverter control device and inverter control system
US8798906B2 (en) 2009-07-22 2014-08-05 Ntn Corporation Vehicle control device and rotation detection device used in same

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60195456A (en) * 1984-03-16 1985-10-03 Sanyo Denki Kk Rotating speed detector
JPS6135361A (en) * 1984-07-27 1986-02-19 Sanyo Denki Kk Rotating speed detector

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60195456A (en) * 1984-03-16 1985-10-03 Sanyo Denki Kk Rotating speed detector
JPS6135361A (en) * 1984-07-27 1986-02-19 Sanyo Denki Kk Rotating speed detector

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0336957U (en) * 1989-08-22 1991-04-10
JP2011027448A (en) * 2009-07-22 2011-02-10 Ntn Corp Rotation detector and bearing provided with rotation detector
US8798906B2 (en) 2009-07-22 2014-08-05 Ntn Corporation Vehicle control device and rotation detection device used in same
JP2012100410A (en) * 2010-11-01 2012-05-24 Denso Corp Inverter control device and inverter control system

Similar Documents

Publication Publication Date Title
JPS6417504A (en) High dynamics amplifier stage with strain detection function
JPS6484179A (en) Human body detecting device
NO20000136L (en) Wake-up circuit for an electronic device
JPS6431053A (en) Car speed detector
DE3366481D1 (en) Measuring device
CA2030919A1 (en) Range switching device
JPS5443670A (en) Peak voltage position detection system
JPS6466569A (en) Method for measuring partial discharge
JPS5764128A (en) Loose parts monitor
GB1284386A (en) Window trip monitor and comparator circuit
JPS576978A (en) Binary coding system
JPS5635513A (en) Fader device
JPS6451724A (en) Amplifying circuit
SU686140A1 (en) Phase detector
JPS5714219A (en) Proximity switch
JPS646830A (en) Range switching device for sound pressure meter
JPS5731236A (en) Frequency converting and amplifying circuit
JPS56155810A (en) Detector
JPS6480344A (en) Jumping height measuring apparatus
JPS57111122A (en) Analog-to-digital converter
JPS54148457A (en) Integral analog input device
JPS641155A (en) Index signal circuit
JPS54122182A (en) Reflection type photo electric detector
JPS6413510A (en) Phase difference detector
FR2342486A1 (en) Integration of acceleration to determine speed - is performed by integrator with comparators and counter circuits at output