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Priority to RO109691ApriorityCriticalpatent/RO85699B1/en
Publication of RO85699A2publicationCriticalpatent/RO85699A2/en
Publication of RO85699B1publicationCriticalpatent/RO85699B1/en
Measuring Instrument Details And Bridges, And Automatic Balancing Devices
(AREA)
Abstract
Inventia se face parte din domeniul masurarii inductiei mutuale a doua bobine cuplate. Circuitul propus se bazeaza pe o metoda de zero si utilizeaza un variometru simulat electronic cu doua convertoare de impedanta, realizate cu amplificatoare operationale. Masurarea inductantei mutuale se face prin variatia unui potentiometru, în sensul anularii deviatiei indicatorului cu nul. Circuitul se poate asocia xu o punte universala, extinzîndu-se utilizarea acesteia si al masurarea inductivitatii mutuale.The invention is part of the measurement of the mutual induction of two coupled coils. The proposed circuit is based on a zero method and employs an electronically simulated electronic variometer with two impedance converters, made with operational amplifiers. The measurement of the mutual inductance is done by the variation of a potentiometer, in the sense of canceling the deviation of the indicator with null. The circuit can be associated with a universal bridge, extending its use and measuring the mutual inductance.
Method and device for measuring the arrival time of distant LORAN-C and related signals and the effective transmission time of local signals at the transmitter locations.