(19)
(11) EP 3 503 524 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:
05.01.2022 Bulletin 2022/01

(45) Mention of the grant of the patent:
03.11.2021 Bulletin 2021/44

(21) Application number: 18215739.6

(22) Date of filing: 21.12.2018
(51) International Patent Classification (IPC): 
H04N 5/225(2006.01)
H04N 17/00(2006.01)
G01B 11/24(2006.01)
G02B 21/24(2006.01)
 H04N 5/232(2006.01)
G03B 13/36(2021.01)
G02B 21/02(2006.01)
G02B 21/00(2006.01)
(52) Cooperative Patent Classification (CPC):
H04N 5/232123; H04N 5/2256; H04N 17/002; G02B 21/025; G02B 21/244; G01B 11/24; G02B 21/0016; H04N 5/2251; G03B 13/36

(54)

VARIABLE FOCAL LENGTH LENS SYSTEM INCLUDING A FOCUS STATE REFERENCE SUBSYSTEM AND ASSOCIATED METHOD

LINSENSYSTEM MIT VARIABLER BRENNWEITE MIT EINEM FOKUSZUSTANDREFERENZSYBSYSTEM UND ZUGEHÖRIGE METHODE

SYSTÈME DE LENTILLE À LONGUEUR FOCALE VARIABLE COMPRENANT UN SOUS-SYSTÈME DE RÉFÉRENCE D'ÉTAT FOCAL ET PROCÉDÉ ASSOCIÉ

(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: 21.12.2017 US 201715850149

(43) Date of publication of application:
26.06.2019 Bulletin 2019/26

(73) Proprietor: Mitutoyo Corporation
Kawasaki-shi, Kanagawa 213-8533 (JP)

(72) Inventors:
  • NAHUM, Michael
    Washington, 98034 (US)
  • BRYLL, Robert Kamil
    Washington, 98034 (US)
  • GLADNICK, Paul Gerard
    Washington, 98034 (US)

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


(56) References cited: : 
US-A- 5 604 344
US-A1- 2017 324 895
 US-A1- 2011 134 308
   
       
    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).