Thus, when acoustically in phase, the primary woofer and the two smaller woofers have the effect of substantially canceling the generated forces." The force generated by the two smaller woofers can be substantially equal and opposite to the force generated by the primary woofer. For instance, a primary woofer can be positioned between and adjacent to two smaller woofers. It will be understood that alternative force cancellation configurations can be implemented. Two pairs of force-cancelling woofers create rich, deep bass without unwanted vibrations."Īpple's patent application point #0052 states in-part: " The force cancelation can reduce potential rattle or interference of various components in proximity with the speaker module, thereby improving sound quality. Apple's patent point #0011 states that electronic device comprises a speaker enclosure that includes a six-sided box.Īpple new iMac marketing further states that "The sound system on iMac brings incredible, room-filling audio to any space. Today the US Patent & Trademark Office published a patent application from Apple that relates to the new iMac six-speaker sound system as Apple promotes in their marketing as noted in our cover graphic above.
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