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The present invention provides an earphone line retracting device, and an automatic line retracting earphone having the earphone line retracting device, a non-radiation wire mobile phone having the earphone line retracting device, and an electronic device having the earphone line retracting device.

The present invention provides an earphone line retracting device, and an automatic line retracting earphone having the earphone line retracting device, a non-radiation wire mobile phone having the earphone line retracting device, and an electronic device having the earphone line retracting device. The earphone line retracting device at least comprises: a winder, drive means driving the winder, and signal connector means, characterized in that the earphone line retracting device further comprises shift gear means, by which the drive means drives the winder.

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1. An earphone line retracting device comprising: a winder,drive means driving the winder, andsignal connector means, wherein the earphone line retracting device further comprises shift gear means, by which the drive means drives the winder,wherein a clutch is arranged between the shift gear means a

1. An earphone line retracting device comprising: a winder,drive means driving the winder, andsignal connector means, wherein the earphone line retracting device further comprises shift gear means, by which the drive means drives the winder,wherein a clutch is arranged between the shift gear means and the winder, and the winder connected to the shift gear means by the clutch,wherein the drive means is a micromotor, the shift gear means is decelerator means. 2. An earphone line retracting device according to claim 1, wherein the winder has an inside space, the drive means positioned in the inside space. 3. An earphone line retracting device according to claim 1, wherein the shift gear means has at least two gears, adjacent gears engaging each other. 4. An earphone line retracting device according to claim 1, wherein the signal connector means comprises a circuit board and a plurality of annular conductive sheets, and connects to outside signal by spring feeler and its lead wire. 5. An earphone line retracting device according to claim 1, wherein the signal connector means is a wirelessly connected signal connector means. 6. An earphone line retracting device according to claim 1, wherein the clutch is a resistance oil clutch. 7. An earphone line retracting device according to claim 1, wherein the earphone line retracting device is built in the housing of an electronic device. 8. An earphone line retracting device according to claim 1, wherein the power source for the earphone line retracting device is the power source for the electronic device in which the earphone line retracting device is built. 9. An earphone line retracting device according to claim 1, wherein the retracting switch of the earphone line of the earphone line retracting device is a press wheel. 10. An automatic line retracting earphone comprising: an earphone, an earphone line, and an earphone line retracting device, wherein the earphone line retracting device is the earphone line retracting device in claim 1. 11. An automatic line retracting earphone according to claim 10, wherein the earphone is provided with a voice transmitter, and the earphone is formed integrally with the voice transmitter and a voice receiver. 12. An automatic line retracting earphone according to claim 10, wherein the earphone line is formed of a plurality of soft wires and tension-enforced fibre strands, and is coated with insulating material with high wearable property. 13. A non-radiation wire mobile phone comprising: a main body of the mobile phone,an earphone,an earphone line,an earphone line retracting device, anda housing of the non-radiation wire mobile phone provided with a socket for the earphone, the earphone removably inserted into the socket, the earphone line and the earphone line retracting device arranged in the housing of the mobile phone,the earphone line retracting device comprising:a winder,drive means driving the winder, andsignal connector means,the earphone provided with a voice transmitter, and the earphone formed integrally with the voice transmitter and a voice receiver, wherein:the earphone line retracting device further comprises shift gear means, by which the drive means drives the winder, anda clutch is arranged between the shift gear means and the winder, and the winder connected to the shift gear means by the clutch,wherein the drive means is a micromotor, the shift gear means is decelerator means. 14. A non-radiation wire mobile phone according to claim 13, wherein the winder has an inside space, the drive means positioned in the inside space. 15. A non-radiation wire mobile phone according to claim 13, wherein the shift gear means has at least two gears, adjacent gears engaging each other. 16. A non-radiation wire mobile phone according to claim 13, wherein the signal connector means comprises a circuit board and a plurality of annular conductive sheets, and connects to outside signal by spring feeler and its lead wire. 17. A non-radiation wire mobile phone according to claim 13, wherein the signal connector means is a wirelessly connected signal connector means. 18. A non-radiation wire mobile phone according to claim 13, wherein the non-radiation wire mobile phone is provided at its one side with a line groove, one end of the line groove connected to the winder, the other end of the line groove connected to the socket, the earphone line wound on the winder and extending in the line groove to connect to the earphone. 19. A non-radiation wire mobile phone according to claim 13, wherein the earphone line is formed of a plurality of soft wires and tension-enforced fibre strands, and is coated with insulating material with high wearable property. 20. A non-radiation wire mobile phone according to claim 13, wherein the clutch is a resistance oil clutch. 21. A non-radiation wire mobile phone according to claim 13, wherein the drive means and the main body of the mobile phone use the same one power source. 22. A non-radiation wire mobile phone according to claim 16, wherein the switch of the drive means uses the hangup key that is used to disconnect the line when the communication on the mobile phone is completed. 23. An electronic device comprising: a main body of the electronic device,an earphone,an earphone line,an earphone line retracting device,a housing of the electronic device provided with a socket for the earphone, the earphone removably inserted into the socket, the earphone line and the earphone line retracting device arranged in the housing of the electronic device,the earphone line retracting device comprising:a winder,drive means driving the winder,signal connector means, andshift gear means, by which the drive means drives the winder,wherein a clutch is arranged between the shift gear means and the winder, and the winder connected to the shift gear means by the clutch,wherein the drive means is a micromotor, the shift gear means is decelerator means. 24. An electronic device according to claim 23, wherein the electronic device is MP4 serial products. 25. An electronic device according to claim 23, wherein the electronic device is a personal computer. 26. An electronic device according to claim 23, wherein the electronic device is a hand game player.