Details of transducers

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

Scope Notes

Glossary: Casing Cabinet Cabinets Casings housing, enclosure | Limiting references: Mountings specially adapted for telephone equipment Diaphragms for electromechanical transducers Details of transducers characterised by the nature of the transducer

Child Classifications

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• H04R 1/02 Casings; Cabinets; Mountings therein
• H04R 1/06 Arranging circuit leads; Relieving strain on circuit leads
• H04R 1/08 Mouthpieces; Attachments therefor
• H04R 1/1 Earpieces; Attachments therefor
• H04R 1/12 Sanitary or hygienic devices for mouthpieces or earpieces, e.g. for protecting against infection
• H04R 1/14 Throat mountings for microphones
• H04R 1/16 Mounting or connecting stylus to transducer with or without damping means
• H04R 1/2 Arrangements for obtaining desired frequency or directional characteristics
• H04R 1/42 Combinations of transducers with fluid-pressure or other non-electrical amplifying means
• H04R 1/44 Special adaptations for subaqueous use, e.g. for hydrophone
• H04R 1/46 Special adaptations for use as contact microphones, e.g. on musical instrument, on stethoscope