IPC Subgroup
H04R 1/02 Casings; Cabinets; Mountings therein
Introduced: September 1968
Last revised: January 2006
Full Title
Details of transducers > Casings; Cabinets; Mountings therein
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: Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
1 direct subcode
Child Classifications
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- H04R 1/04 Structural association of microphone with electric circuitry therefor