CPC Subgroup
H04M 1/72475 specially adapted for disabled users
Full Title
Substation equipment, e.g. for use by subscribers (subscriber services or facilities provided at exchanges H04M3/00; prepayment telephone coin boxes H04M17/00; current supply arrangements H04M19/08) > Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection > User interfaces specially adapted for cordless or mobile telephones > specially adapted for disabled users
2 direct subcodes
Child Classifications
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- H04M 1/72478 for hearing-impaired users
- H04M 1/72481 for visually impaired users