Control pad structure with integral speaker

Details Control pad structure with integral speaker Control pad structure with integral speaker

2011-08-02

2011-08-02

Chin, Vivian (Department: 2614)

Electrical audio signal processing systems and devices

Having non-electrical feature

And loudspeaker

C381S150000, C455S575100, C200S292000

Reexamination Certificate

active

07991177

ABSTRACT:
A control pad structure (10) with a built-in speaker (40) includes a circuit board (20) disposing a plurality of touch switches (22) thereon; a control pad (30) is provided with a plurality of bulge points (36); and an accommodating space (35) is formed between the circuit board and the control pad for enclosing the speaker therein. The speaker is also provided with a bulge point. When the control pad is operated, the bulge points engage with corresponding touch switches to activate the switches. A plurality of openings (24) is defined in the circuit board between the touch switches.

REFERENCES:
patent: 6717074 (2004-04-01), Lu
patent: 7492354 (2009-02-01), Bartholomew et al.
patent: 2003/0107549 (2003-06-01), Lu
patent: 2676352 (2005-02-01), None
patent: 2544397 (2006-04-01), None

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