| 摘要 |
1, Self-retracting headset unit for mobile phone and videophone sets, where the cable (7) connecting its microphone (4) and earplug-receiver (5) with the phone is installed into a mobile house (1) in a rolled-up position on either a cable-drum (3) or a cable-disc (9) secured by a ratchet mechanism (13); with the characteristics that the cable (7) can be pulled out from the mobile house (1) by hand, and then the cable (7) is rolled back to the mobile house (1) by a rotating mechanism.
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