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. 27, 2022
Filed:
May. 04, 2019
Suganda Jutamulia, Berkeley, CA (US);
Lequn Liu, San Jose, CA (US);
Suganda Jutamulia, Berkeley, CA (US);
Lequn Liu, San Jose, CA (US);
Other;
Abstract
An eye wear comprises an optical filter disposed in front of an eye. The optical filter has a transmittance function of wavelength comprising a transmittance peak having a peak transmittance and a transmittance bandwidth. A transmittance outside the transmittance peak is at a lower level transmittance, wherein a ratio of the lower level transmittance to the peak transmittance is less than unity. The transmittance peak is at a central wavelength of a laser that emits laser light forming one of a laser spot and a laser line. The transmittance bandwidth is larger than a bandwidth of the laser light emitted by the laser. The laser spot or the laser line formed by the laser light emitted by the laser is viewed through the eye wear.