US 9,810,897 B2
Enhanced periscope
Gary Owen, Gwynedd (GB)
Assigned to Kent Periscopes Limited, Denbirghshire (GB)
Appl. No. 14/110,235
Filed by Gary Owen, Gwynedd (GB)
PCT Filed Apr. 4, 2012, PCT No. PCT/GB2012/050763
§ 371(c)(1), (2), (4) Date Dec. 16, 2013,
PCT Pub. No. WO2012/137003, PCT Pub. Date Oct. 11, 2012.
Claims priority of application No. 1105995.3 (GB), filed on Apr. 8, 2011.
Prior Publication US 2014/0085716 A1, Mar. 27, 2014
Int. Cl. G02B 23/08 (2006.01); F41H 5/26 (2006.01); G02B 23/10 (2006.01); G02B 26/08 (2006.01)
CPC G02B 23/08 (2013.01) [F41H 5/266 (2013.01); G02B 23/10 (2013.01); G02B 26/0816 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A periscope comprising:
an object window;
a first reflector;
a second reflector;
a viewing window; and
a display port for an electronic display,
wherein the first reflector is arranged to reflect light from the object window towards the second reflector in both a first position of use and a second position of use; and
the second reflector is a mirror; and
the mirror has two opposed reflective surfaces; and
the second reflector is selectively movable between the first position of use in which the second reflector reflects light from the first reflector towards the viewing window and the second position of use in which the second reflector reflects light from the display port towards the viewing window.