The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 20, 2024
Filed:
Nov. 09, 2022
Pencil Learning Technologies, Inc., Palo Alto, CA (US);
Amogh Asgekar, Palo Alto, CA (US);
Ayush Agarwal, San Francisco, CA (US);
Pencil Learning Technologies, Inc., Palo Alto, CA (US);
Abstract
The present disclosure provides systems and methods for encoding and decoding a machine-readable document. A system can include a computing device comprising a processor and a memory. To encode each entry on a document, the processor can receive an identification of an entry, identify an entry format, and generate an entry fingerprint. The processor can calculate a hash value from the identification, the entry format, and the entry fingerprint, which can then be stored at an address corresponding to the hash value. The processor can generate an optical code, and print the entry and the optical code on the document. To decode the document, the processor can extract the hash value, a first entry identifier, and a user identifier from the optical code. The processor can retrieve a second entry identifier and determine a match with the first entry identifier. The processor can retrieve entry coordinates and extract the entry.