4. Electrical audio signal processing systems and devices
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Wearable digital hearing aid and method for improving hearing ab

Electrical audio signal processing systems and devices – Sound effects – Reverberators
Patent

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Wearable personal audio loop apparatus

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Plural or compound reproducers
Patent

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Wearable speaker garments

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

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Weather resistant porting

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Having acoustic wave modifying structure
Reexamination Certificate

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Weather resistant sound attenuating modular communications...

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Plural or compound reproducers
Reexamination Certificate

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Whizzer cone for loudspeaker for producing uniform frequency...

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

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Whole surface driven speaker

Electrical audio signal processing systems and devices – Hearing aids – electrical – Specified casing or housing
Patent

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Whole-surface driven speaker

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Having electrostatic element
Patent

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Wide audio bandwidth transduction method and device

Electrical audio signal processing systems and devices – Hearing aids – electrical – Frequency transposition
Reexamination Certificate

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Wide band, low noise artificial head for transmission of aural p

Electrical audio signal processing systems and devices – Binaural and stereophonic – Stereo sound pickup device
Patent

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Wide dispersion speaker system and cover mounting structure...

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

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Wide dispersion speaker system and cover mounting structure...

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

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Wide dispersion speaker system and cover mounting structure...

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

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Wide passband omnidirectional loudspeaker

Electrical audio signal processing systems and devices – Circuitry combined with specific type microphone or loudspeaker
Patent

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Wide-band loudspeaker having a diaphragm area divided into sub-a

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Plural or compound reproducers
Patent

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Wide-ribbon loudspeaker

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Having electrostatic element
Patent

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Wideband assisted reverberation system

Electrical audio signal processing systems and devices – Sound effects – Reverberators
Patent

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Wideband expander for stereo and SAP signals

Electrical audio signal processing systems and devices – Binaural and stereophonic – Broadcast or multiplex stereo
Patent

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Wideband expander for stereo and SAP signals

Electrical audio signal processing systems and devices – Including amplitude or volume control – With amplitude compression/expansion
Patent

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Wind noise insensitive hearing aid

Electrical audio signal processing systems and devices – Hearing aids – electrical
Reexamination Certificate

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