LEARNING-TYPE INTERACTIVE DEVICE

Patent №

US 11,037,553

Granted

2021-06-15

Filed 2018

Owner

HITACHI, LTD.

Lab

AI components

7

ml · nlp · vision · speech · kr · planning · hardware

Assignment

Recorded

Dataset

AIPD

2023_r1 edition

Application

16037566

The invention is directed to a learning-type interactive device which performs voice dialogue with a user and accumulates a result of the voice dialogue as knowledge including: a voice recognition portion which performs voice recognition on an acquired uttered voice of the user and converts the voice into text; an intention understanding portion which analyzes an utterance intention from the text voice-recognized by the voice recognition portion with reference to intention understanding model data learned from intention understanding learning data; an answer generation portion which refers to a QA DB and generates an answer text from the utterance intention analyzed by the intention understanding portion, a knowledge extraction portion which extracts knowledge from the text voice-recognized by the voice recognition portion, the utterance intention, and the answer text, and a knowledge classification portion which classifies the knowledge extracted by the knowledge extraction portion according to characteristics.

Machine learningNatural languageVisionSpeechKnowledge representationPlanningAI hardwareG10L 15/1815G06F 16/3329G06F 40/35G10L 15/22G10L 15/26G10L 15/30G10L 2015/223

AI classification

Natural language1.00
Speech1.00
Machine learning1.00
Knowledge representation1.00
Planning1.00
Vision0.99
AI hardware0.92
Evolutionary computation0.00

Ownership

HITACHI, LTD.

assignment · 463720825

Assignors

NAGAMATSU, KENJI

On an employer assignment, the assignors are typically the inventors.

© 2026 NYSGPT2525 LLC