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:
Aug. 11, 2026
Filed:
Jan. 29, 2021
Noiseless Acoustics Oy, Helsinki, FI;
Kai Saksela, Kauniainen, FI;
Jonas Nyberg, Helsinki, FI;
Manu Niukkanen, Kauniainen, FI;
Oliver Merilaid, Helsinki, FI;
Robert Albrecht, Porvoo, FI;
NOISELESS ACOUSTICS OY, Helsinki, FI;
Abstract
An external calibrating device () for a measurement device, which may be an acoustic camera. The calibrating device () includes a sound source () and a light source (), which are preferably pointed to the same direction. This direction can be a horizontal direction, where the sources () locate on the same vertical side surface of the calibrating device (). An IR LED can be used as the light source (). The measurement device may instruct a user how to place and align the measurement device during the calibration process. Guidance is given by instructions, volume range information, and focusing lines on the screen. When the instructions are fulfilled, the user may acknowledge the finished calibration process.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile