Cellular phone and attachment thereof

Details Cellular phone and attachment thereof Cellular phone and attachment thereof

2007-02-27

2007-02-27

Anderson, Matthew D. (Department: 2618)

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

C455S556100, C455S556200, C455S557000, C455S566000

Reexamination Certificate

active

10702619

ABSTRACT:
A cellular phone can attach a detachable attachment thereto. The attachment includes a signal output unit which outputs a specific signal corresponding thereto, and an output terminal which outputs the signal to the cellular phone. The cellular phone includes a signal detection unit which detects the signal intrinsic to the attachment, and a control unit which controls a change for setting conditions of the cellular phone based on the signal. The attachment can include a predetermined function unit. The control unit can control the function unit in response to the signal.

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