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Speaker verification system

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

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Speaker verification system

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

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Speaker verification system using integrated circuit cards

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

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Speaker verification using memory address

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

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Speaker voice coil and speaker unit using the same

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

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Speaker voice coil bobbin and method of manufacturing same

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

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Speaker volume control apparatus and method

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

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Speaker waterproof structure for electrical equipment

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

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Speaker with a molded plastic frame including a positioning proj

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

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Speaker with acoustic damped port

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

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Speaker with built-in direct current motor

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

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Speaker with drive mechanism

Electrical audio signal processing systems and devices – Monitoring/measuring of audio devices – Loudspeaker operation
Reexamination Certificate

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Speaker with externally mounted acoustic extension

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

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Speaker with frequency directed dual drivers

Electrical audio signal processing systems and devices – Including frequency control – Having crossover filter
Reexamination Certificate

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Speaker with magnetic structure for damping coil displacement

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

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Speaker with passive voice coil cooling

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

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Speaker with tweeter assembly mounted to the interior of the win

Electrical audio signal processing systems and devices – Vehicle
Patent

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Speaker, and module, electronic apparatus, and device that...

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Having protective or sheilding feature
Reexamination Certificate

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Speaker, module using the same, electronic equipment and...

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

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Speaker, speaker module, and electronic equipment using the...

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

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