US 12,088,909 B2
Warning light thwart detection for recording devices
Nils Johan Fransson, Kitchener (CA); Arnett Ryan Weber, Waterloo (CA); and Erturk Kocalar, Sunnyvale, CA (US)
Assigned to Google LLC, Mountain View, CA (US)
Filed by GOOGLE LLC, Mountain View, CA (US)
Filed on Jun. 15, 2022, as Appl. No. 17/807,062.
Prior Publication US 2023/0412915 A1, Dec. 21, 2023
Int. Cl. H04N 23/63 (2023.01); G01J 1/44 (2006.01); G02B 6/00 (2006.01); G02B 27/01 (2006.01); H04N 23/57 (2023.01); H04N 23/667 (2023.01)
CPC H04N 23/634 (2023.01) [G01J 1/44 (2013.01); G02B 6/00 (2013.01); G02B 27/0172 (2013.01); H04N 23/57 (2023.01); H04N 23/667 (2023.01); G02B 2027/0138 (2013.01); G02B 2027/014 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A device comprising:
a frame;
a recording device;
a light source mounted to the frame and providing a warning light configured to be activated in conjunction with recording operations of the recording device;
a light sensor;
a light guiding element having an input positioned to receive light from the light source, a first output at a surface of the frame to provide the warning light, a second output directed at the light sensor, and a light guiding portion between the first output and both of the input and the second output, wherein the light guiding portion is configured to direct the warning light from the input to the first output and to direct redirected light from the first output to the second output and thereby to the light sensor when the first output is at least partially obscured at the surface of the frame; and
a control circuit configured to deactivate the recording operations in response to detection of the redirected light by the light sensor.