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Spherical loudspeaker for omnipresent sound reproduction

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

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Spherical loudspeaker system

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

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Spherical loudspeaker system with enhanced performance

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Housed microphone
Reexamination Certificate

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Spherical membrane omnidirectional loudspeaker using a magnetost

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Electrostrictive – magnetostrictive – or piezoelectric
Patent

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Spherical piezoelectric speaker

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Electrostrictive – magnetostrictive – or piezoelectric
Patent

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Spider with lead wires sandwiched

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Electromagnetic
Reexamination Certificate

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Spider-less loudspeaker with active restoring apparatus

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Electromagnetic
Reexamination Certificate

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Spiral audio spectrum display system

Electrical audio signal processing systems and devices – One-way audio signal program distribution – Public address system
Patent

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Spiral line array loudspeaker

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

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Split-band clipper

Electrical audio signal processing systems and devices – Noise or distortion suppression – Interpolation
Patent

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Spoken word controlled automatic dialer

Electrical audio signal processing systems and devices – One-way audio signal program distribution – Public address system
Patent

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Spoken-instruction controlled system for an automotive vehicle

Electrical audio signal processing systems and devices – One-way audio signal program distribution – Public address system
Patent

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Spoken-instruction controlled system for an automotive vehicle

Electrical audio signal processing systems and devices – One-way audio signal program distribution – Public address system
Patent

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Spoken-instruction controlled system for an automotive vehicle

Electrical audio signal processing systems and devices – One-way audio signal program distribution – Public address system
Patent

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SSB digital modulator

Electrical audio signal processing systems and devices – One-way audio signal program distribution – Public address system
Patent

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Stabilization of the system clock in a hearing aid

Electrical audio signal processing systems and devices – Hearing aids – electrical – Remote control – wireless – or alarm
Reexamination Certificate

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Stable attachment microphone stand systems

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Housed microphone
Reexamination Certificate

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Stable sound synthesizing circuit

Electrical audio signal processing systems and devices – Including amplitude or volume control
Patent

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Stand system with integrated electrical plug for portable...

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Mounting or support feature of housed loudspeaker
Reexamination Certificate

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Standard-compatible, power efficient digital audio interface

Electrical audio signal processing systems and devices – Hearing aids – electrical
Patent

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