Electronic circuit for processing the measured values from a vortex sequence produced by a Karman vortex path

US4375768A · kind A · utility

Assignee

• Auergesellschaft GmbH · DE

Inventors

• Martin Beck · Manhattan Beach, US
• Wolfgang Hoht · Berlin, DE
• Udo Mushold · Berlin, DE

Key dates

• Filing date: Jun 17, 1981
• Grant date: Mar 8, 1983
• Expiry date: Jun 17, 2001

Classification

• Technology area (CPC G): Physics
• CPC primary: G01F1/3287
• WIPO field: Measurement
• WIPO sector: Instruments

Abstract

An electronic circuit for processing measured values obtained from a vortex sequence produced by a Karman vortex path, wherein the ultrasonically sensed signals are processed both digitally in a first circuit branch for a computer and analogously in a second circuit branch for the connection of a two-channel continuous recorder. An adjustable frequency transforming arrangement is serially connected in the computer branch for balancing the circuit, and an additional frequency-voltage converter and and integrator are serially connected in the recorder branch along with a control logic circuit inserted between the two branches for starting the recorder after activation of the computer only when signals which can be evaluated are present.