Inventor

Jia-Ren Chang

Inventor

New Taipei, TW

Overview

2011–2020

Patent span

Electricity

Primary field (CPC H)

Patents· 40 as inventor

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

H04Rprimary

H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers49%

G10LSpeech analysis techniques or speech synthesis12%

H03GControl of amplification8%

H04MTelephonic communication6%

G06FElectric digital data processing5%

H04SStereophonic systems5%

G10KSound-producing devices3%

G01SRadio direction-finding2%

G06KGraphical data reading2%

G06VImage or video recognition or understanding2%

PatentTitleYear

10,805,755Speaker adjustment method and electronic device using the same2020 10,802,126Electronic device and positioning method2020 10,735,883Sound effect controlling method and sound outputting device with orthogonal base correction2020 10,659,905Method, system, and processing device for correcting energy distributions of audio signal2020 10,645,485Extension system of woofer and design method thereof2020 10,615,761Signal gain control method and electronic device2020 10,440,466Speaker module2019 10,368,161Amplifier and electronic device using the same2019 10,297,268Voice signal processing apparatus and voice signal processing method2019 10,264,366Hearing aid and method for dynamically adjusting recovery time in wide dynamic range compression2019 10,194,237Electronic device2019 10,149,043Amplifier and electronic device using the same2018 10,123,102Speaker module and electronic device using the same2018 10,109,293Voice signal processing apparatus and voice signal processing method2018 10,104,467Speaker device with enhancement of bass and electronic device therewith2018 10,020,003Voice signal processing apparatus and voice signal processing method2018 9,924,269'Filter gain compensation method for specific frequency band using difference between windowed filters'2018 9,906,860'Electronic device and method for dynamically adjusting output of headset'2018 9,860,632'Electronic device'2018 9,838,778Speaker and electronic device having the speaker2017 9,813,789'Speaker module and electronic device using the same'2017 9,800,963'Speaker device with full range frequency as well as enhancement of bass effect and electronic device therewith'2017 9,761,242'Voice signal processing apparatus and voice signal processing method'2017 9,749,983'Communication system, electronic device and communication method'2017 9,741,330'Dual-diaphragm microphone module to reduce vibration noise'2017 9,736,568'Electronic device, calibrator, and headset for calibrating electronic device'2017 9,699,570'Voice signal processing apparatus and voice signal processing method'2017 9,589,577'Speech recognition apparatus and speech recognition method'2017 9,544,442'Lingering cancellation for data encoded audio signals'2017 9,519,311'Electronic device'2016 9,495,973'Speech recognition apparatus and speech recognition method'2016 9,436,259'Electronic device and control method'2016 9,326,079'Detection circuit'2016 9,307,316'Electronic device and method for sensing headset type by audio signal'2016 9,307,310'Wearable portable electronic device'2016 9,179,206'Sound box structure'2015 8,885,867'Portable electronic device'2014 8,804,990'Portable apparatus'2014 8,116,504'Electronic device having a receiver'2012 8,023,682'Portable electronic device with spatial module'2011

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2011–2012Patents assigned to CHI MEI COMM SYSTEMS INC (2)· patent assignee history

2011–2012Based in Tu-Cheng, TW· patent location history

2012Patents assigned to CHANG JIA-REN (1)· patent assignee history

2012Patents assigned to TSAI CHING-SEN (1)· patent assignee history

2012Patents assigned to TSAO MEI-TSU (1)· patent assignee history

2014–2020Patents assigned to ACER INC (38)· patent assignee history

2014–2020Based in New Taipei, TW· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ACER INC	38	2014–2020
CHI MEI COMM SYSTEMS INC	2	2011–2012
CHANG JIA-RENself	1	2012
TSAI CHING-SEN	1	2012
TSAO MEI-TSU	1	2012

Locations

Location	Patents	Span
New Taipei, TW	38	2014–2020
Tu-Cheng, TW	2	2011–2012