US 11,843,908 B2
Remote speaker microphone unit for use with headset
Don Herbert, Clarkston, MI (US); Peter Hoang, Corona, CA (US); John Brad Medine, Chino, CA (US); and David Trinh Le, Irvine, CA (US)
Assigned to Safariland, LLC, Jacksonville, FL (US)
Filed by Safariland, LLC, Jacksonville, FL (US)
Filed on Apr. 1, 2022, as Appl. No. 17/711,670.
Application 17/711,670 is a continuation of application No. 16/846,860, filed on Apr. 13, 2020, granted, now 11,297,409.
Claims priority of provisional application 62/835,911, filed on Apr. 18, 2019.
Prior Publication US 2022/0225012 A1, Jul. 14, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. H04R 1/10 (2006.01)
CPC H04R 1/1041 (2013.01) [H04R 2420/07 (2013.01)] 13 Claims
OG exemplary drawing
 
1. An emergency services remote speaker microphone unit (RSM) adapted for use as part of a radio communication system by an emergency services user, such as a firefighter, carrying a radio, to enable the user to use either a headset having a first plug for connection with the RSM unit or an in-ear speaker having a second plug for connection with the RSM unit, the RSM unit comprising:
a built-in speaker, at least first and second built-in microphones, connected in parallel, and a push to talk button, wherein when said first built-in microphone is enabled, said second built-in microphone is also enabled;
a first jack adapted for receiving the first plug of the headset; and
a second jack adapted for receiving the second plug of the in-ear speaker.