KR900007113U - Speed detector - Google Patents

Speed detector

Info

Publication number
KR900007113U
KR900007113U KR2019880016175U KR880016175U KR900007113U KR 900007113 U KR900007113 U KR 900007113U KR 2019880016175 U KR2019880016175 U KR 2019880016175U KR 880016175 U KR880016175 U KR 880016175U KR 900007113 U KR900007113 U KR 900007113U
Authority
KR
South Korea
Prior art keywords
speed detector
detector
speed
Prior art date
Application number
KR2019880016175U
Other languages
Korean (ko)
Other versions
KR910009196Y1 (en
Inventor
김봉택
Original Assignee
김봉택
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 김봉택 filed Critical 김봉택
Priority to KR2019880016175U priority Critical patent/KR910009196Y1/en
Publication of KR900007113U publication Critical patent/KR900007113U/en
Application granted granted Critical
Publication of KR910009196Y1 publication Critical patent/KR910009196Y1/en

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
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
    • G01D5/142—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage using Hall-effect devices
    • 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)
  • Train Traffic Observation, Control, And Security (AREA)
KR2019880016175U 1988-09-30 1988-09-30 Speed detector KR910009196Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019880016175U KR910009196Y1 (en) 1988-09-30 1988-09-30 Speed detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019880016175U KR910009196Y1 (en) 1988-09-30 1988-09-30 Speed detector

Publications (2)

Publication Number Publication Date
KR900007113U true KR900007113U (en) 1990-04-03
KR910009196Y1 KR910009196Y1 (en) 1991-11-25

Family

ID=19279901

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019880016175U KR910009196Y1 (en) 1988-09-30 1988-09-30 Speed detector

Country Status (1)

Country Link
KR (1) KR910009196Y1 (en)

Also Published As

Publication number Publication date
KR910009196Y1 (en) 1991-11-25

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Legal Events

Date Code Title Description
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
REGI Registration of establishment
FPAY Annual fee payment

Payment date: 20021010

Year of fee payment: 12

EXPY Expiration of term