(19)
(11) EP 4 052 143 A1

(12)

(43) Date of publication:
07.09.2022 Bulletin 2022/36

(21) Application number: 20881673.6

(22) Date of filing: 29.10.2020
(51) International Patent Classification (IPC): 
G06F 17/00(2019.01)
G09B 5/02(2006.01)
 G06F 3/0483(2013.01)
G09B 5/06(2006.01)
(52) Cooperative Patent Classification (CPC):
G09B 5/02; G09B 5/12
(86) International application number:
PCT/IN2020/050914
(87) International publication number:
WO 2021/084557 (06.05.2021 Gazette 2021/18)
(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 MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(30) Priority: 31.10.2019 IN 201941044027

(71) Applicant: Kakumanu, Sarath
Tamilnadu Chennai 600018 (IN)

(72) Inventor:
  • Kakumanu, Sarath
    Tamilnadu Chennai 600018 (IN)

(74) Representative: JD&P Patent Attorneys Joanna Dargiewicz & Partners 
Ul. Mysliborska 93A/50
03-185 Warszawa
03-185 Warszawa (PL)

   


(54) A SYSTEM AND METHOD OF CONNECTING MULTILAYERS OF TEXT AND AUDIO-VISUAL REFERENCE MATERIALS IN AN ADVANCED DIGITAL TEXTBOOK/LECTURE NOTES FOR QUICK AND BETTER LEARNING