The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 06, 1994
Filed:
Mar. 06, 1992
Stephen K Ammann, Cupertino, CA (US);
TSI Incorporated, St. Paul, MN (US);
Abstract
An ultrasonic anemometer employs three ultrasonic transducers arranged in a configuration defining a horizontal equilateral triangle. Each of the transducers has a response profile characterized by a primary central lobe and secondary or side lobes angularly inclined from and surrounding the primary lobe. Each transducer is tilted from the horizontal to align the secondary lobes with signal propagation paths between it and the other transducers, thus affording a minimum number of transducers performing at a high degree of efficiency. Circuitry is employed to cause the ultrasonic transducers to generate either continuous wave acoustic signals or single pulse acoustic signals on an alternating basis. In each case only one of the transducers transmits the acoustic signal while the other two transducers receive the signal. Propagation measurements based upon the continuous wave and the single pulse are combined to provide a composite propagation time, for each of two opposite directions in connection with each propagation path. These values in turn are combined to obtain a single vector representation of wind speed and direction.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile