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:
Feb. 26, 2013
Filed:
Jul. 15, 2009
Kazuhiro Nakata, Tokyo, JP;
Kazuhiro Nakata, Tokyo, JP;
Mitsubishi Electric Corporation, Tokyo, JP;
Abstract
A mobile receiver apparatus includes first tunerfor converting a received frequency signal by antennainto an intermediate frequency signal, delay circuitfor setting a time required for the movement corresponding to a specific wavelength of the received frequency signal as a delay time, second tunerfor converting an output of the circuitinto a second intermediate frequency signal, and control unitsA andA for dynamically setting the delay time in the circuitin response to a measured movement speed of a mobile unit and a received electric field strength upon the measurement, and equiphase-combining the intermediate frequency signals generated by the tunersandto be outputted, and the unitA sets the delay time corresponding to a received frequency and a Doppler shift frequency in the circuit, and equiphase-combines signals having a phase difference of about ¼ wavelength (90°).