CPC Subgroup Additional Only
H04R 2201/40 Details of arrangements for obtaining desired directional characteristic by combining a number of identical transducers covered by H04R1/40 but not provided for in any of its subgroups
Full Title
Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups > Details of arrangements for obtaining desired directional characteristic by combining a number of identical transducers covered by H04R1/40 but not provided for in any of its subgroups
3 direct subcodes
Child Classifications
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- H04R 2201/401 2D or 3D arrays of transducers
- H04R 2201/403 Linear arrays of transducers
- H04R 2201/405 Non-uniform arrays of transducers or a plurality of uniform arrays with different transducer spacing