Passive processing device for interfacing and for ESD and...

Details Passive processing device for interfacing and for ESD and... Passive processing device for interfacing and for ESD and...

2005-06-08

2011-11-22

Urban, Edward (Department: 2618)

Telecommunications

Receiver or analog modulated signal frequency converter

Noise or interference elimination

C455S063100, C455S307000, C455S570000, C455S114200, C381S113000

Reexamination Certificate

active

08064866

ABSTRACT:
A passive processing device (D) is adapted to be interfaced in a full integrated way on at least a first audio signal path defined between a first audio signal source and an audio signal processing means of an electronic device, such as a mobile communication device. This device (D) comprises a first protection means (DE11; DE12) for rejecting electrostatic discharges on the first path, a first rejection means (CR11, R11; CR12) for rejecting radio signals at least in a chosen frequency band on the first path, and a first AC-coupling means (CC1) for interfacing voltage levels between the first audio signal source and the audio signal processing means.

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patent: WO 01/67811 (2001-09-01), None

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