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:
Jul. 05, 1983
Filed:
Feb. 26, 1981
Applicant:
Inventors:
Cornelis J Drost, Ithaca, NY (US);
G Jan Milanowski, Ithaca, NY (US);
Assignee:
Cornell Research Foundation, Inc., Ithaca, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B / ; H04R / ;
U.S. Cl.
CPC ...
73 / ; 73620 ; 73624 ; 73627 ; 73641 ; 367 13 ; 367 65 ;
Abstract
Methods and apparatus for calibrating terminated ultrasonic electroacoustic transducers are disclosed. The transducers are excited by a driving signal to emit an ultrasonic acoustic wave, which wave is received either by the same transducer after reflection or by a second transducer to produce an output signal. The driving signal and output signal are supplied to measuring circuitry deriving transd
Drost, Cornelis. (1983). Electroacoustic transducer calibration method and apparatus (U.S. Patent No. 4391124). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4391124
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile