(19)
(11) EP 2 863 540 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
23.01.2019 Bulletin 2019/04

(45) Mention of the grant of the patent:
21.11.2018 Bulletin 2018/47

(21) Application number: 14004197.1

(22) Date of filing: 14.08.2013
(51) International Patent Classification (IPC): 
H03F 3/68(2006.01)
H03F 1/02(2006.01)
H03F 3/21(2006.01)
 H03F 3/72(2006.01)
H03F 3/187(2006.01)
H03F 3/45(2006.01)

(54)

Low-quiescent current headset driver

Niedriger Ruhestrom-Kopfhörertreiber

Circuit d'attaque de casque à faible courant de repos

(84) Designated Contracting States:
AL 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 RS SE SI SK SM TR

(30) Priority: 07.09.2012 US 201261698384 P
11.12.2012 US 201213711367

(43) Date of publication of application:
22.04.2015 Bulletin 2015/17

(62) Application number of the earlier application in accordance with Art. 76 EPC:
13004056.1 / 2706661

(73) Proprietor: Avago Technologies International Sales Pte. Limited
Singapore 768923 (SG)

(72) Inventors:
  • Chen, Jianlong
    Irvine, CA 92604 (US)
  • Brooks, Todd
    Laguna Beach, CA 92651 (US)
  • Arunachalam, Sasi
    Irvine, CA 92614 (US)

(74) Representative: Bosch Jehle Patentanwaltsgesellschaft mbH 
Flüggenstraße 13
80639 München
80639 München (DE)


(56) References cited: : 
US-A1- 2005 237 109
US-A1- 2010 127 780
 US-A1- 2007 176 677
US-B2- 7 304 538
   
  • DING Y ET AL: "A High-Efficiency CMOS<tex>$+ $</tex>22-dBm Linear Power Amplifier", IEEE JOURNAL OF SOLID-STATE CIRCUITS, IEEE SERVICE CENTER, PISCATAWAY, NJ, USA, vol. 40, no. 9, 1 September 2005 (2005-09-01), pages 1895-1900, XP011138486, ISSN: 0018-9200, DOI: 10.1109/JSSC.2005.848179
   
Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).