LexDanaLexDanabeta
Inventor

Andrew S. Bellavia, Jr.

Inventor
Elk Grove Village, IL, US

Overview

3→
Patents
1988–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 3 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H04Nprimary
H04NPictorial communication, e.g. television50%
G10LSpeech analysis techniques or speech synthesis25%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers25%
PatentTitleYear
11,102,576Audio device with audio signal processing based on acoustic valve state20214,837,820'Hybrid CATV scrambling system'19894,790,011'Auto clamp for modulator for suppressed sync signals'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–1989Patents assigned to ZENITH ELECTRONICS CORP (2)· patent assignee history
1988–1989Based in Elk Grove Village, IL, US· patent location history
2021Patents assigned to KNOWLES ELECTRONICIS LLC (1)· patent assignee history
2021Patents assigned to KNOWLES ELECTRONICS LLC (1)· patent assignee history
2021Based in Itasca, IL, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ZENITH ELECTRONICS CORP21988–1989
KNOWLES ELECTRONICIS LLC12021
KNOWLES ELECTRONICS LLC12021
Locations
LocationPatentsSpan
Elk Grove Village, Illinois, US21988–1989
Itasca, Illinois, US12021