LandOfFree - US Patents - Listing for Electrical audio signal processing systems and devices,Having non-electrical feature

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Acoustic compliance adjuster

Electrical audio signal processing systems and devices – Having non-electrical feature – Loudspeakers driven in given phase relationship

Reexamination Certificate

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Acoustin structure of seat back

Electrical audio signal processing systems and devices – Having non-electrical feature – And loudspeaker

Reexamination Certificate

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Antenna and speaker configuration for a mobile device

Electrical audio signal processing systems and devices – Having non-electrical feature – And loudspeaker

Reexamination Certificate

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Anti-side tone transmitter

Electrical audio signal processing systems and devices – Having non-electrical feature – Having microphone

Patent

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Apparatus and methods for generating pressure waves

Electrical audio signal processing systems and devices – Having non-electrical feature – And loudspeaker

Reexamination Certificate

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Apparatus for on-ear operation and off-ear operation with...

Electrical audio signal processing systems and devices – Having non-electrical feature – Loudspeakers driven in given phase relationship

Reexamination Certificate

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Array driving system and method of driving loads

Electrical audio signal processing systems and devices – Having non-electrical feature – Loudspeakers driven in given phase relationship

Reexamination Certificate

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Asymmetrical driver for asymmetrical loudspeakers

Electrical audio signal processing systems and devices – Having non-electrical feature – Loudspeakers driven in given phase relationship

Patent

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Audio player activated by greeting card retraction

Electrical audio signal processing systems and devices – Having non-electrical feature – And loudspeaker

Reexamination Certificate

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Audio player activated by greeting card retraction

Electrical audio signal processing systems and devices – Having non-electrical feature – And loudspeaker

Reexamination Certificate

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Audio speaker with partially spherical speaker housing and...

Electrical audio signal processing systems and devices – Having non-electrical feature

Reexamination Certificate

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Audio system for portable device

Electrical audio signal processing systems and devices – Having non-electrical feature – And loudspeaker

Reexamination Certificate

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Audio system operable in directional and non-directional modes

Electrical audio signal processing systems and devices – Having non-electrical feature – Loudspeakers driven in given phase relationship

Patent

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