RO87809B1 - Vibration exciter for calibrating contactless transducers - Google Patents

Vibration exciter for calibrating contactless transducers

Info

Publication number
RO87809B1
RO87809B1 RO114076A RO11407684A RO87809B1 RO 87809 B1 RO87809 B1 RO 87809B1 RO 114076 A RO114076 A RO 114076A RO 11407684 A RO11407684 A RO 11407684A RO 87809 B1 RO87809 B1 RO 87809B1
Authority
RO
Romania
Prior art keywords
calibrating
vibration exciter
contactless
amplifier
oscillation
Prior art date
Application number
RO114076A
Other languages
Romanian (ro)
Other versions
RO87809A2 (en
Inventor
Stefan Hartulari
Original Assignee
Institutul De Cercetare Stiintifica Si Inginerie Tehnologica Pentru Electronica
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 Institutul De Cercetare Stiintifica Si Inginerie Tehnologica Pentru Electronica filed Critical Institutul De Cercetare Stiintifica Si Inginerie Tehnologica Pentru Electronica
Priority to RO114076A priority Critical patent/RO87809B1/en
Publication of RO87809A2 publication Critical patent/RO87809A2/en
Publication of RO87809B1 publication Critical patent/RO87809B1/en

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  • Apparatuses For Generation Of Mechanical Vibrations (AREA)

Abstract

Inventia se refera la un excitator de vibratii pentru etalonarea traductoarelor fara contact constituit dintr-o lama vibranta la care amplitudinea oscilatiei este controlata printr-o bucla de reactie formata dintr-un traductor fara contact, un convertor, un repetor inversor si un amplificator, oscilatia lamelei fiind reglata la frecventa de rezonanta si realizîndu-se reglajul amplificarii amplificatorului încît diferenta efectuata de un comparator între amplitudinea semnalului electric rezultat în urma conversiei mecanice si o tensiune de referinta sa fie minima.The invention relates to a vibration exciter for calibrating contactless transducers constituted by a vibrating blade at which the oscillation amplitude is controlled by a reaction loop consisting of a contactless transducer, a converter, an inverse repeater and an amplifier, the oscillation the lamella being tuned to the resonance frequency and adjusting the gain of the amplifier so that the difference made by a comparator between the amplitude of the electrical signal resulting from the mechanical conversion and a reference voltage is minimal.

RO114076A 1984-03-27 1984-03-27 Vibration exciter for calibrating contactless transducers RO87809B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO114076A RO87809B1 (en) 1984-03-27 1984-03-27 Vibration exciter for calibrating contactless transducers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO114076A RO87809B1 (en) 1984-03-27 1984-03-27 Vibration exciter for calibrating contactless transducers

Publications (2)

Publication Number Publication Date
RO87809A2 RO87809A2 (en) 1985-12-30
RO87809B1 true RO87809B1 (en) 1986-01-01

Family

ID=20114649

Family Applications (1)

Application Number Title Priority Date Filing Date
RO114076A RO87809B1 (en) 1984-03-27 1984-03-27 Vibration exciter for calibrating contactless transducers

Country Status (1)

Country Link
RO (1) RO87809B1 (en)

Also Published As

Publication number Publication date
RO87809A2 (en) 1985-12-30

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