Company Filing History:

15 out of 15

Taiwan Carol Electronics Co., Ltd

patents

National Chung Hsing University

patents

Years Active: 2001-2025

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18 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12418787 - Apparatuses and methods for simultaneous reception or transmission associated with dual subscriber numbers using a single radio frequency (RF) device (2025-09-16),

2. D974459 - Microphone clip for a musical instrument (2023-01-03),

3. 11443723 - Musical instrument holder clip (2022-09-13),

4. 10924845 - Microphone having an airtight back chamber (2021-02-16),

5. 9585065 - Mobile communications devices and methods for inter-radio access technology performance enhancement (2017-02-28),

6. 9578422 - Microphone capable of actively counteracting noise attributed to undesired vibration (2017-02-21),

7. 8375560 - Method for manufacturing a condenser microphone (2013-02-19),

8. 8031889 - Acoustoeletric transformation chip for ribbon microphone (2011-10-04),

9. 7895925 - Clamping device for anchoring a microphone to an instrument (2011-03-01),

10. D630191 - Microphone shock absorber (2011-01-04),

11. 7469461 - Method for making a diaphragm unit of a condenser microphone (2008-12-30),

12. 7433478 - Microphone pick-up device (2008-10-07),

13. 7343661 - Method for making condenser microphones (2008-03-18),

14. 7224812 - Condenser microphone and method for making the same (2007-05-29),

15. 7203330 - Switching unit for a microphone (2007-04-10),

Title: Innovations of Chao-Chih Chang

Introduction

Chao-Chih Chang is a prominent inventor based in Taichung, Taiwan. He has made significant contributions to the field of telecommunications, holding a total of 18 patents. His work focuses on enhancing communication technologies, particularly in the area of simultaneous reception and transmission.

Latest Patents

One of his latest patents is titled "Apparatuses and methods for simultaneous reception or transmission associated with dual subscriber numbers using a single radio frequency (RF) device." This invention provides a method for simultaneous reception or transmission associated with dual subscriber numbers using a single RF device in user equipment (UE). The UE determines whether a trigger condition for enabling simultaneous operation is met. Upon meeting this condition, the UE reports a value representing an aggregated bandwidth or the number of component carriers (CCs) or multiple-input multiple-output (MIMO) layers for one of the subscriber numbers to a mobile communication network. This innovation allows for efficient communication while ensuring that the reported value is less than the maximum capabilities of the UE.

Another notable invention is a "microphone clip for a musical instrument," which showcases his versatility in addressing various technological needs.

Career Highlights

Chao-Chih Chang has worked with several notable companies, including Taiwan Carol Electronics Co., Ltd and MediaTek Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in technology.

Collaborations

Throughout his career, Chang has collaborated with talented individuals such as Ray-Hua Horng and Jean-Yih Tsai. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Chao-Chih Chang's contributions to the field of telecommunications through his patents and collaborations highlight his innovative spirit and dedication to advancing technology. His work continues to influence the industry and pave the way for future developments.

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