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, 1977
Filed:
Nov. 06, 1975
Klaus V Pieverling, Wolfratshausen, DT;
Siemens Aktiengesellschaft, Berlin & Munich, DT;
Abstract
A method for the comparative vector measurement of keyed radio signal pulses, in particular Tacan pulses, arriving nearly simultaneously at several receiving stations and which can exhibit great level differences, in which, at each receiver, the pulses are initially fed to an amplifier or attenuator having amplification or attenuation, respectively, which can be adjusted in distinct steps, which reduction or increase takes place automatically with the rise of the leading edge of the respective signal pulse. After passing through the respective amplifier or attenuator of the receivers, the instantaneous amplitudes of the measuring signals are measured at a fixed measuring time common to all receivers. In each receiver a second measuring signal is produced which is in phase quadrature with respect to the aforementioned measuring signal, the instantaneous amplitude of the second measuring signal being measured at the same time as the first measuring signal.