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:
May. 05, 1987
Filed:
Mar. 15, 1985
Applicant:
Inventors:
Abdullah Atalar, Ankara, TR;
Herbert Fischbach, Wetzlar, DE;
Assignee:
Ernst Leitz Wetzlar GmbH, Wetzlar, DE;
Primary Examiner:
Int. Cl.
CPC ...
G01S / ;
U.S. Cl.
CPC ...
367 87 ; 73629 ; 367903 ;
Abstract
A circuit arrangement for separating high-frequency pulses produced successively in time at a piezoelectric transducer of an acoustic reflection lens arrangement. According to the invention, the transducer is preceded by a three-way pin switch, the common end of the wiper of which is connected to the acoustic lens, the other end of the wiper being alternately connected in a first position to the output of a transducer oscillator, in a second position to a 50-Ohm resistor, or in a third position to a measurement circuit.