(19)
(11) EP 4 798 065 A1

(12)

(43) Date of publication:
02.09.2026 Bulletin 2026/36

(21) Application number: 24883240.4

(22) Date of filing: 23.10.2024
(51) International Patent Classification (IPC): 
A61B 5/1455(2006.01)
A61B 5/00(2006.01)
A61B 5/145(2006.01)
(52) Cooperative Patent Classification (CPC):
A61B 5/1455; A61B 5/7225; A61B 5/6824
(86) International application number:
PCT/US2024/052553
(87) International publication number:
WO 2025/090597 (01.05.2025 Gazette 2025/18)
(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA
Designated Validation States:
GE KH MA MD TN

(30) Priority: 23.10.2023 US 202363545273 P

(71) Applicant: Worcester Polytechnic Institute
Worcester, MA 01609 (US)

(72) Inventors:
  • GULER, Ulkuhan
    Shrewsbury, Massachusetts 01545 (US)
  • TUFAN, Tuna B.
    Worcester, Massachusetts 01609 (US)
  • MCNEILL, John A.
    Stow, Massachusetts 01775 (US)

(74) Representative: Greaves Brewster LLP 
Copa House Station Road
Cheddar, Somerset BS27 3AH
Cheddar, Somerset BS27 3AH (GB)

   


(54) CHARGE-TO-DIGITAL CONVERTER FOR TIME-DOMAIN DUAL LIFETIME REFERENCING