JPS5560862A - Automatically-balanced measuring instrument - Google Patents

Automatically-balanced measuring instrument

Info

Publication number
JPS5560862A
JPS5560862A JP13427278A JP13427278A JPS5560862A JP S5560862 A JPS5560862 A JP S5560862A JP 13427278 A JP13427278 A JP 13427278A JP 13427278 A JP13427278 A JP 13427278A JP S5560862 A JPS5560862 A JP S5560862A
Authority
JP
Japan
Prior art keywords
signal
movable unit
rail
automatically
sound
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
JP13427278A
Other languages
Japanese (ja)
Inventor
Masanori Noguchi
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.)
Yokogawa Electric Corp
Original Assignee
Yokogawa Hokushin Electric Corp
Yokogawa Electric Works 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 Yokogawa Hokushin Electric Corp, Yokogawa Electric Works Ltd filed Critical Yokogawa Hokushin Electric Corp
Priority to JP13427278A priority Critical patent/JPS5560862A/en
Publication of JPS5560862A publication Critical patent/JPS5560862A/en
Pending legal-status Critical Current

Links

Landscapes

  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)

Abstract

PURPOSE: To dispense with a heavy frame, beam or the like and simplify the entire construction, by displacing a movable unit by a signal supplied through a guide rail.
CONSTITUTION: The output signal of a pulse generator OS is applied to a sound generator 36 through a capacitor Co, a rail 21 and a wheel 31. A sharp sound generated by discharge or the like is detected by means 41, 42, the output of which are supplied to a calculation circuit CK. The time of propagation of the sound wave from the sound generator 36 to the means 41, 42 is calculated to determine the position of a movable unit 3 on a guide rail 2. A signal of the position is applied to a driving circuit OP, which supplies an output signal lo to a driving motor 37 housed in the movable unit 3 so that the position signal is equalized to a measured signal lm. The motor 37 displaces the movable unit 3 on the rail 2 depending on the magnitude of the measured signal lm. The signal lm is detected from the position of a pointer 35.
COPYRIGHT: (C)1980,JPO&Japio
JP13427278A 1978-10-31 1978-10-31 Automatically-balanced measuring instrument Pending JPS5560862A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13427278A JPS5560862A (en) 1978-10-31 1978-10-31 Automatically-balanced measuring instrument

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13427278A JPS5560862A (en) 1978-10-31 1978-10-31 Automatically-balanced measuring instrument

Publications (1)

Publication Number Publication Date
JPS5560862A true JPS5560862A (en) 1980-05-08

Family

ID=15124400

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13427278A Pending JPS5560862A (en) 1978-10-31 1978-10-31 Automatically-balanced measuring instrument

Country Status (1)

Country Link
JP (1) JPS5560862A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110179991A1 (en) * 2008-10-03 2011-07-28 Yazaki Corporation Indicator
EP2570781A1 (en) * 2010-05-12 2013-03-20 Yazaki Corporation Center-less pointer type display device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110179991A1 (en) * 2008-10-03 2011-07-28 Yazaki Corporation Indicator
US8646402B2 (en) * 2008-10-03 2014-02-11 Yazaki Corporation Indicator having rotary members to hold guide rail
EP2570781A1 (en) * 2010-05-12 2013-03-20 Yazaki Corporation Center-less pointer type display device
EP2570781A4 (en) * 2010-05-12 2014-09-24 Yazaki Corp Center-less pointer type display device
EP2860499A1 (en) * 2010-05-12 2015-04-15 Yazaki Corporation Center-less pointer type display device
US9010267B2 (en) 2010-05-12 2015-04-21 Yazaki Corporation Center-less pointer type display apparatus

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