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:
Apr. 16, 1996
Filed:
Oct. 13, 1994
Dieter Meyer, Feucht, DE;
Ulrich Kanzler, Stein, DE;
Klaus Krockenberger, Stein, DE;
Juergen Leinberger, Nuremberg, DE;
Robert Bosch GmbH, Stuttgart, DE;
Abstract
In a device for measuring the distance to an obstacle, a second transmission pulse as a control measurement for an ultrasonic distance measurement is transmitted only when an echo signal has been received for a first transmission pulse. In addition, a timing window, within which the expected echo signal falls when it is reflected by an obstacle, is created. In this manner, interference signals are advantageously suppressed and the measuring time is accelerated, so that for an application in a motor vehicle to measure distance, a current measured value is always known while the vehicle velocity and the path covered are taken into consideration.