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Time warp signal recognition processor using recirculating and/o

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

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Time zone equalizer

Electrical audio signal processing systems and devices – Including frequency control – Having automatic equalizer circuit
Patent

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Time-controlled hearing aid

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

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Time-discrete stereo decoder

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

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Timepiece with sound generator

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Detail of mechanical vibration coupling to transducer
Reexamination Certificate

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Tinnitus masking using ultrasonic signals

Electrical audio signal processing systems and devices – Acoustical noise or sound cancellation – Adjacent ear
Reexamination Certificate

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Tone adjusting apparatus for audio signals

Electrical audio signal processing systems and devices – Including frequency control
Patent

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Tone control apparatus for front and rear channels

Electrical audio signal processing systems and devices – Including frequency control – Automatic tone control
Patent

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Tone control circuit

Electrical audio signal processing systems and devices – Including frequency control
Patent

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Tone control device and sound volume/tone control device for red

Electrical audio signal processing systems and devices – Including frequency control – Automatic tone control
Patent

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Tone control system for sampled data signals

Electrical audio signal processing systems and devices – Including frequency control
Patent

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Tone detector with pseudo phase locked loop

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

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Tone discrimination circuit

Electrical audio signal processing systems and devices – Monitoring of sound
Patent

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Tone reduction circuit for headsets

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

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Tone signal processing device

Electrical audio signal processing systems and devices – Sound effects
Patent

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Tone suppression automatic gain control for a headset

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

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Tone-control circuit and method for conditioning respective...

Electrical audio signal processing systems and devices – Including frequency control – Automatic tone control
Reexamination Certificate

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Tool for hearing aid adjustment

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

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Tool for insertion and removal of a hearing aid ear wax...

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

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Top-loading folded corner horn

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

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