TELEPHONE SET

• Main Authors: OMURA KOJI, KONDO SHUNTA, SUMIYA NAOZUMI
• Format: Patent
• Language: English
• Published: 12.04.2007
• Subjects: ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; TELEPHONIC COMMUNICATION

PROBLEM TO BE SOLVED: To provide a telephone set, whereby a user of a hearing aid need not to apply attachment/detachment operations to the handset of the telephone set when using the telephone set, and the user of a hearing aid uses the telephone set without being recognized of the use of the heari...