US 9,811,991 B2
Do-not-disturb system and apparatus
Davide Di Censo, San Mateo, CA (US); Stefan Marti, Oakland, CA (US); and Ajay Juneja, Mountain View, CA (US)
Assigned to HARMAN INTERNATIONAL INDUSTRIES, INCORPORATED, Stamford, CT (US)
Filed by HARMAN INTERNATIONAL INDUSTRIES, INC., Stamford, CT (US)
Filed on Jun. 27, 2014, as Appl. No. 14/318,120.
Prior Publication US 2015/0379842 A1, Dec. 31, 2015
Int. Cl. G08B 13/00 (2006.01); G08B 13/24 (2006.01); G06F 3/01 (2006.01); H04R 5/033 (2006.01); H04S 7/00 (2006.01); G06K 9/00 (2006.01)
CPC G08B 13/2491 (2013.01) [G06F 3/013 (2013.01); H04R 5/033 (2013.01); H04S 7/304 (2013.01); G06K 9/00604 (2013.01); H04R 2201/34 (2013.01); H04R 2400/01 (2013.01)] 16 Claims
OG exemplary drawing
 
8. Audio headphones for isolating a subject wearer from sounds, comprising:
a wearable housing;
acoustic transducers arranged in the housing and configured to generate sound waves in the ears of the subject wearer;
a first detector configured to detect a person approaching the audio headphones, wherein the first detector comprises an imaging sensor;
an indicator configured to, without receiving manual user input after the first detector transmits a signal indicating the person approaching the audio headphones, output a do-not-disturb indication and to prompt the person approaching the audio headphones to leave a message;
a second detector configured to receive a message from the person approaching the audio headphones; and
a memory to store the message from the person approaching the audio headphones.