US 12,291,353 B2
Lamp for a precision approach path indicator
Jan Hafner, Warsaw (PL)
Assigned to MonitorX SP. Z O.O., Warsaw (PL)
Appl. No. 18/294,695
Filed by MONITORX SP. Z O.O., Warsaw (PL)
PCT Filed Aug. 4, 2021, PCT No. PCT/IB2021/057124
§ 371(c)(1), (2) Date Feb. 2, 2024,
PCT Pub. No. WO2022/130037, PCT Pub. Date Jun. 23, 2022.
Prior Publication US 2025/0100713 A1, Mar. 27, 2025
Int. Cl. B64F 1/00 (2024.01); B64F 1/20 (2006.01)
CPC B64F 1/20 (2013.01) 7 Claims
OG exemplary drawing
 
1. A lamp for a precision approach path indicator comprising:
at least two radiation sources emitting electromagnetic radiation of different wavelengths, a beam of radiation of a first wavelength and a beam of radiation of a second wavelength,
a partition for separating the beam of radiation of the first wavelength from the beam of radiation of the second wavelength, the partition having a first width (a), and
an offsetting element that offsets at least one of the beams towards the other of the beams by a second width (c) to compensate for the obstruction created by the partition,
wherein the offsetting element is a glass prism with two parallel first faces of a width (b), such that when the offsetting element is angled towards the beam of radiation of the second wavelength, the offsetting element creates a light path that is offset by the first width (a) of the partition, and with at least one second face angled in relation to the parallel first faces, such that when the offsetting element is angled towards the beam of radiation of the second wavelength, the second face is parallel to and below the beam of radiation of the first wavelength.