(19)
(11) EP 3 170 029 A2

(12)

(88) Date of publication A3:
14.07.2016

(43) Date of publication:
24.05.2017 Bulletin 2017/21

(21) Application number: 15826074.5

(22) Date of filing: 17.06.2015
(51) International Patent Classification (IPC): 
G01V 1/00(2006.01)
H03M 3/04(2006.01)
(86) International application number:
PCT/US2015/036151
(87) International publication number:
WO 2016/032598 (03.03.2016 Gazette 2016/09)
(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
Designated Extension States:
BA ME
Designated Validation States:
MA

(30) Priority: 16.07.2014 US 201462025225 P
29.08.2014 US 201462044148 P
03.03.2015 US 201514636417

(71) Applicant: Cirrus Logic, Inc.
Austin, TX 78701 (US)

(72) Inventors:
  • MELANSON, John L.
    Austin, TX 78703 (US)
  • SINGH, Rahul
    Austin, TX 78734 (US)
  • DRAKSHAPALLI, Prashanth
    Austin, TX 78749 (US)
  • BRUMMEL, Dale
    Spicewood, TX 78669 (US)
  • HODAPP, Stephen T.
    Austin, TX 78745 (US)

(74) Representative: Käck, Stefan 
Kahler Käck Mollekopf Partnerschaft von Patentanwälten mbB Vorderer Anger 239
86899 Landsberg/Lech
86899 Landsberg/Lech (DE)

   


(54) LOW-POWER ANALOG-TO-DIGITAL CONVERTER FOR SENSING GEOPHONE SIGNALS