(19)
(11) EP 1 088 440 A1

(12)

(43) Date of publication:
04.04.2001 Bulletin 2001/14

(21) Application number: 99924456.9

(22) Date of filing: 21.05.1999
(51) International Patent Classification (IPC)7: H04M 11/00
(86) International application number:
PCT/US9911/377
(87) International publication number:
WO 9966/704 (23.12.1999 Gazette 1999/51)
(84) Designated Contracting States:
DE DK ES FI FR GB IT SE

(30) Priority: 16.06.1998 US 98489
16.06.1998 US 97621

(71) Applicant: Silicon Laboratories, Inc.
Austin, TX 78735 (US)

(72) Inventors:
  • DUPUIS, Timothy, J.
    Austin, TX 78748 (US)
  • TUTTLE, George, Tyson
    Austin, TX 78751 (US)
  • SCOTT, Jeffrey, W.
    Austin, TX 78739 (US)
  • SOOCH, Navdeep, S.
    Austin, TX 78746 (US)
  • WELLAND, David, R.
    Austin, TX 78751 (US)

(74) Representative: Hackney, Nigel John et al
Mewburn Ellis,York House,23 Kingsway
London WC2B 6HP
London WC2B 6HP (GB)

   


(54) DAA CIRCUITRY AND METHOD FOR CONNECTING PHONE LINES HAVING A DC HOLDING