Abstract: An optical disc drive is suitable to read data of an optical disc. The optical disc drive includes a housing, a turntable and an ejecting mechanism. The turntable has a chuck claw holds at an opening of the optical disc. The ejecting mechanism includes a button, a reposition assembly and at least an ejecting assembly. The button is configured at the turntable and has an operating portion and a connecting portion. The reposition assembly is adjacent to the button and provides the button with a return force along a first direction. Moreover, the ejecting assembly has a first portion connected to the connecting portion, a second portion connected to the turntable and a third portion protruding out the turntable. When the operating portion is forced and moves along a second direction, the connecting portion drives the third portion to move along the first direction and push the optical disc.

Abstract: A method for determining a disk type is provided. In the invention, a pickup head of a DVD optical drive is moved to a blank area of the disk where no data is stored. After rotation of the disk is stopped, the blank area is irradiated with a laser beam, and reflective signals reflected from a surface layer and a reflective layer of the disk are measured respectively. According to a time difference between the two reflective signals, the type of the disk placed in the DVD optical drive is determined. Therefore misjudgment because of effects of pits in a data area of the disk on the reflective signals can be avoided, so that the disk type can be accurately determined.

Abstract: An automatic backup method to deal with at least a backup data is provided. First, offering a data-sync program and a wireless transmission module driven by the data-sync program; transmitting a first data stream to a first storage unit as a first file; transmitting the first file to a second storage unit by a wireless transmission module and stored as a second file in the second storage unit, the first file being substantially equal to the second file; and copying a third file to the second storage unit and overwrites the second file therein when the first file is modified to the third file but the second file is not modified yet.

Abstract: An electronic device with an automatic backup function for handling a first data stream is provided. The electronic device comprises a main board, a data-sync chipset, a first storage unit, a wireless transmission module, and a second storage unit. Here, the data-sync chipset receives the first data stream and provides a second data stream to each of the first and second storage units so that the same file or all the files in a data-sync data folder can be stored in both the first and second storage units for the purpose of auto-backup. In addition, the wireless transmission module can transmit the first file to the second storage unit by means of wireless transmission. Accordingly, the second storage unit can be used as a mobile hard disk for wireless transmission.

Abstract: An optical disc drive is suitable to read data of an optical disc. The optical disc drive includes a housing, a turntable and an ejecting mechanism. The turntable has a chuck claw holds at an opening of the optical disc. The ejecting mechanism includes a button, a reposition assembly and at least an ejecting assembly. The button is configured at the turntable and has an operating portion and a connecting portion. The reposition assembly is adjacent to the button and provides the button with a return force along a first direction. Moreover, the ejecting assembly has a first portion connected to the connecting portion, a second portion connected to the turntable and a third portion protruding out the turntable. When the operating portion is forced and moves along a second direction, the connecting portion drives the third portion to move along the first direction and push the optical disc.

Abstract: A method for determining a disk type is provided. In the invention, a pickup head of a DVD optical drive is moved to a blank area of the disk where no data is stored. After rotation of the disk is stopped, the blank area is irradiated with a laser beam, and reflective signals reflected from a surface layer and a reflective layer of the disk are measured respectively. According to a time difference between the two reflective signals, the type of the disk placed in the DVD optical drive is determined. Therefore misjudgment because of effects of pits in a data area of the disk on the reflective signals can be avoided, so that the disk type can be accurately determined.

Abstract: An electronic device with an automatic backup function for handling a first data stream is provided. The electronic device comprises a main board, a data-sync chipset, a first storage unit, a wireless transmission module, and a second storage unit. Here, the data-sync chipset receives the first data stream and provides a second data stream to each of the first and second storage units so that the same file or all the files in a data-sync data folder can be stored in both the first and second storage units for the purpose of auto-backup. In addition, the wireless transmission module can transmit the first file to the second storage unit by means of wireless transmission. Accordingly, the second storage unit can be used as a mobile hard disk for wireless transmission.

Abstract: A button key structure integrated with a speaker consists of a direction key, a lower lid and a speaker. The direction key is hollow and includes an outer key and an inner key. The outer key is slightly smaller than the key opening and is extended outside the casing. The inner key is slightly larger than the key opening and is confined between the casing and a circuit board. The inner key has contact points located at the bottom to correspond to touch switches located on the circuit board. The lower lid couples with the direction key to form a housing compartment to house the speaker. The speaker connects electrically to the circuit board through a conductive rubber.

Abstract: A fixing and ejecting device disposed within the casing of an electronic device and integrated with a stylus is provided. The fixing and ejecting device comprises a pair of retaining arms, a junction portion and a spring piece. The junction portion is for connecting the pair of retaining arms. The pair of retaining arms disposed at one side of the inner surface of the casing for accommodating the stylus are elastically deformed to retain the stylus for the stylus to be fixed within the casing. The spring piece formed on the junction portion corresponds to the stylus. By applying an external force onto the stylus, the spring piece is compressed by the stylus and becomes elastically deformed. So that, the spring piece provides an elastic applying force to the tip of the stylus and the stylus can be ejected from the pair of retaining arms.

Abstract: A mobile phone includes an antenna of relatively small thickness, and a shelter member of non-metal material mounted in such a manner to conceal the antenna underneath. A logo is provided on an outer face of the shelter member to provide an aesthetic appearance of the mobile phone.

Abstract: A membrane button key structure with a built-in speaker consists of a membrane key, a bottom lid and a speaker. The membrane key includes a four-way key and a plurality of hot keys connecting with one another through a membrane and corresponding to touch switches located on a circuit board. The circuit board has a carved opening with the center of the four-way key located thereabove and the bottom lid located therebelow to form a housing compartment to accommodate the speaker. Besides housing the speaker, the extra space of the housing compartment functions as an acoustic chest for the speaker.

Abstract: A membrane button key structure with a built-in speaker consists of a membrane key, a bottom lid and a speaker. The membrane key includes a four-way key and a plurality of hot keys connecting with one another through a membrane and corresponding to touch switches located on a circuit board. The circuit board has a carved opening with the center of the four-way key located thereabove and the bottom lid located therebelow to form a housing compartment to accommodate the speaker. Besides housing the speaker, the extra space of the housing compartment functions as an acoustic chest for the speaker.

Abstract: A button key structure integrated with a speaker consists of a direction key, a lower lid and a speaker. The direction key is hollow and includes an outer key and an inner key. The outer key is slightly smaller than the key opening and is extended outside the casing. The inner key is slightly larger than the key opening and is confined between the casing and a circuit board. The inner key has contact points located at the bottom to correspond to touch switches located on the circuit board. The lower lid couples with the direction key to form a housing compartment to house the speaker. The speaker connects electrically to the circuit board through a conductive rubber.