for obtaining desired frequency characteristic only

Full Title

Details of transducers > Arrangements for obtaining desired frequency or directional characteristics > for obtaining desired frequency characteristic only

Classification Context

Section:

ELECTRICITY

Class:

ELECTRIC COMMUNICATION TECHNIQUE

Subclass:

LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS

Child Classifications

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• H04R 1/24 Structural combinations of separate transducers or of parts of the same transducer and responsive respectively to two or more frequency ranges
• H04R 1/26 Spatial arrangement of separate transducers responsive to two or more frequency ranges
• H04R 1/28 Transducer mountings or enclosures designed for specific frequency response; Transducer enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
• H04R 1/3 Combinations of transducers with horns, e.g. with mechanical matching means