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. 08, 2026
Filed:
May. 14, 2024
Alps Alpine Co., Ltd., Tokyo, JP;
Yukimitsu Yamada, Miyagi, JP;
ALPS ALPINE CO., LTD., Tokyo, JP;
Abstract
A distance measurement apparatus executes transmitting and receiving a signal with another device; acquiring first and second phases when the other device receives signals of first and second frequencies from the distance measurement apparatus; measuring third and fourth phases when the signals of first and second frequencies are received from the other device; measuring a distance to the other device based on the acquired first and second phases, the first and second frequencies, and the measured third and fourth phases; and setting randomly a transmission order, and the first and second frequencies. The transmission order indicates an order of transmitting the signal of the first frequency by the other device, transmitting the signal of the first frequency by the distance measurement apparatus, transmitting the signal of the second frequency by the other device, and transmitting the signal of the second frequency by the distance measurement apparatus.