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US 6,605,924 B2Granted
Function expansion device for a portable electronic device
AssigneeFujitsu Limited
InventorsShiro Tanaka, Masuo Ohnishi
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AssigneeFujitsu Limited
InventorsShiro Tanaka, Masuo Ohnishi
Estimating the term…
A function expansion device is attached to a portable electronic device such as a notebook-type personal computer so as to provide a function to use various kinds of information storage media. A bay housing is detachably attached to a bottom surface of the notebook-type personal computer. The bay housing has a bay into which a drive unit is inserted. The drive unit can be selected from among a floppy disk drive, a CD-ROM drive, a magneto-optical disk drive, a high-capacity floppy disk drive, a digital video disk and a hard disk drive. Each of the drive units has an identical outer configuration so that each of the drive units can be alternatively attached to the bay housing. Various types of drive units can be connected to the notebook-type personal computer by merely changing the drive unit accommodated in the bay housing.
A function expansion device having a unit accommodating part, expanding a function of a portable electronic device by being detachably attached to said portable electronic device, said function expansion device comprising:
An electronic device system comprising:
A functional unit alone providing a complete function to be added to an electronic device, said functional unit being detachably attached to an attachment which is detachably mounted to said electronic device, and said attachment includes a concave part formed in said attachment to thereby removably accommodate the entire functional unit which is detachably attached to said electronic device.
An apparatus comprising:
Dependencies are inferred from the claim text.