Description
Class H04R : LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
Subclass 1/16: Details of transducers (diaphragms H04R 7/00; characterised by the nature of the transducer, see the relevant group of main groups H04R 9/00-H04R 23/00; mounting radio sets or communication systems in helmets A42B 3/3; mountings specially adapted for telephone equipment H04M 1/02) Mounting or connecting stylus to transducer with or without damping means