LandOfFree - US Patents - Listing for Electrical audio signal processing systems and devices

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Driven diverse static structure

Electro-vibration transducer

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

Electroacostic transducer

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

Electroacoustic apparatus for reproducing lowest to medium frequ

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

Electroacoustic apparatus having ringing signal generation...

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

Electroacoustic converter

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

Electroacoustic converter

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

Electroacoustic converter

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

Electroacoustic converter having a recessed step on the center p

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

Electroacoustic device for hearing needs including noise cancell

Electrical audio signal processing systems and devices – Hearing protectors – electrical

Electroacoustic device for hearing needs including noise cancell

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

Electroacoustic devices with noise-reducing capability

Electrical audio signal processing systems and devices – One-way audio signal program distribution – Near field

Electroacoustic insert with added coil

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Microphone capsule only

Electroacoustic microphone

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

Electroacoustic motor for horns

Electrical audio signal processing systems and devices – Including frequency control

Electroacoustic network

Electrical audio signal processing systems and devices – Including phase control

Electroacoustic network

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

Electroacoustic novelties

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Driven diverse static structure

Electroacoustic novelties

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

Electroacoustic piezoelectric transducer having a broad operatin