Portable terminal system

Telecommunications – Receiver or analog modulated signal frequency converter – Cabinet – housing – or chassis structure

Reexamination Certificate

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Details

C455S575100, C379S433020, C381S345000

Reexamination Certificate

active

07027797

ABSTRACT:
In a portable terminal system having a portable terminal device and an external speaker6for converting electrical signals from the portable terminal device to electrical signals, the portable terminal device21and the external speaker portion19are equipped with first and second connectors20, 2, and by electrically connecting the first and second connectors, the electrical signals from the portable terminal device are transmitted to the external speaker6. The first connector20and the external speaker6are provided with transmission holes18, 8for transmitting to the portable terminal device side the sound wave signal converted on the basis of the electrical signals by the external speaker6.

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patent: WO/PCT 99/03250 (1999-01-01), None
patent: WO/PCT 01/29910 (2001-04-01), None

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