Portable electronic device with an audio jack

(19)

(11)

EP 2 456 230 A3

(12)	EUROPEAN PATENT APPLICATION

(88)	Date of publication A3:
	24.10.2012 Bulletin 2012/43

(43)	Date of publication A2:
	23.05.2012 Bulletin 2012/21

(21)	Application number: 12154650.1

(22)	Date of filing: 26.02.2009

(51)

International Patent Classification (IPC):

H04R 3/00^(2006.01)

H04R 5/04^(2006.01)

(84)	Designated Contracting States:
	AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK TR

(62)	Application number of the earlier application in accordance with Art. 76 EPC:
	09153831.4 / 2224748

(71)	Applicant: Research In Motion Limited
	Waterloo, ON N2L 3W8 (CA)

(72)	Inventors:
	Hansson, Magnus Waterloo, Ontario N2L 3W8 (CA) El-Hage, Mohamad Waterloo, Ontario N3L 3W8 (CA)

(74)	Representative: MERH-IP Matias Erny Reichl Hoffmann
	Paul-Heyse-Strasse 29 80336 München 80336 München (DE)

(54)	Portable electronic device with an audio jack

(57) A portable electronic device includes a processor provided in a housing, a jack being sized for receiving a plug of an audio accessory and having electrical connectors for enabling communication between the audio accessory and the processor, the electrical connectors for contacting corresponding electrical connectors of the plug and a switching circuit in communication with the processor and the electrical connectors, the switching circuit for determining a pin-out of the plug and routing signals between ungrounded ones of the corresponding electrical connectors of the plug and the processor.

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