IPC Subgroup
H04R 1/46 Special adaptations for use as contact microphones, e.g. on musical instrument, on stethoscope
Introduced: September 1968
Last revised: January 2006
Full Title
Details of transducers > Special adaptations for use as contact microphones, e.g. on musical instrument, on stethoscope
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
Limiting references: Throat mountings for microphones