H - Electricity – 04 – R
Patent
H - Electricity
04
R
H04R 1/00 (2006.01) H04W 4/10 (2009.01) H04W 88/02 (2009.01) H04B 7/26 (2006.01) H04R 3/00 (2006.01)
Patent
CA 2525609
A speaker unit for a communications system includes a housing having a front and a back. The front has a plurality of spaced-apart recesses. A circuit board is fitted to the back of the housing. There is a push to talk switch mounted on the circuit board. There is a grill having a plurality of outwardly extending tabs. The tabs slidably engaged in the recesses of the housing to permit the grill to move in a direction extending between the front and the back of the housing. One of the tabs of the grill contacts the push to talk switch, whereby pushing the grill towards the back of the housing actuates the switch. There is an annular retainer fitted over the grill to retain the grill on the housing.
Cichy Marcin C.
Ibbetson Terence A.
Cameron Ip
Con-Space Communications Ltd.
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