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. 17, 2026
Filed:
Nov. 13, 2023
Honeywell Limited Honeywell Limitée, Mississauga, CA;
Marc Salsbury, Gloucester, CA;
Alan Scott, Guelph, CA;
Honeywell Limited Honeywell Limitée, Mississauga, CA;
Abstract
An optical communication system is provided with a sequence of diffraction gratings interposed between an external signal pathway and both an internal transmitting unit and an internal receiving unit. A plurality of diffraction gratings arranged into the sequence define a reciprocal optical directional filter. The diffraction gratings, transmitting unit, receiving unit and external signal pathway are arranged such that the transmitted signals from the transmitting unit are transmitted through the sequence of gratings to the external signal pathway based on the wavelength and angle of incidence of the transmitted signals and the received signals from the external signal pathway are transmitted through the sequence of gratings to the receiving unit based on the wavelength and angle of incidence of the received signals. The gratings can be volume Bragg gratings formed within a solid transparent volume interposed between the external signal pathway, the internal transmitting unit and the internal receiving unit.