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For the Inventor, By the Inventor

New Brighton, MN, United States of America

Ping Li

USPTO Granted Patents = 17


Average Co-Inventor Count = 2.7

ph-index = 15

Forward Citations = 1,211(Granted Patents)


Company Filing History:

goldMedal17 out of 75 
 
Multi-Tech Systems, Inc.
 patents

Years Active: 1994-1999

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17 patents (USPTO):Explore Patents
1. 5864560 - Method and apparatus for mode switching in a voice over data (1999-01-26),
2. 5815503 - Digital simultaneous voice and data mode switching control (1998-09-29),
3. 5790532 - Voice over video communication system (1998-08-04),
4. 5764627 - Method and apparatus for a hands-free speaker phone (1998-06-09),
5. 5673268 - Modem resistant to cellular dropouts (1997-09-30),
6. 5673257 - Computer-based multifunction personal communication system (1997-09-30),
7. 5617423 - Voice over data modem with selectable voice compression (1997-04-01),
8. 5600649 - Digital simultaneous voice and data modem (1997-02-04),
9. 5577041 - Method of controlling a personal communication system (1996-11-19),
10. 5574725 - Communication method between a personal computer and communication module (1996-11-12),
11. 5546395 - Dynamic selection of compression rate for a voice compression algorithm (1996-08-13),
12. 5535204 - Ringdown and ringback signalling for a computer-based multifunction (1996-07-09),
13. 5500859 - Voice and data transmission system (1996-03-19),
14. 5471470 - Computer-based multifunction personal communications system (1995-11-28),
15. 5452289 - Computer-based multifunction personal communications system (1995-09-19),

Title: The Innovative Contributions of Ping Li

Introduction

Ping Li is a notable inventor based in New Brighton, MN, who has made significant contributions to the field of personal communications. With a total of 17 patents to his name, he has developed innovative technologies that enhance the way voice and data communications are transmitted.

Latest Patents

Among his latest patents is a method and apparatus for mode switching in a voice over data system. This personal communications system allows operators to simultaneously transmit voice and data to a remote site. The system is equipped with two telephone line interfaces, enabling connections between two remote sites. It can operate in various modes, including analog voice, digital data communications, and voice over data communications. The switching between these modes is facilitated by using tones such as calling tones, answer tones, and DTMF tones. Additionally, hardware and software switches are utilized to program the modems for different operational modes.

Another significant patent by Ping Li is the digital simultaneous voice and data mode switching control. This innovation allows the operator to dynamically allocate data bandwidth over the telephone line based on the demands of the voice-grade digitized signal. The system detects when the user lifts the handset, transitioning from data transfer mode to voice-over-data mode. This transition is communicated to the remote site, simulating a ring to alert the remote user.

Career Highlights

Ping Li is currently employed at Multi-Tech Systems, Inc., where he continues to develop cutting-edge communication technologies. His work has significantly impacted the efficiency and functionality of personal communication systems.

Collaborations

Throughout his career, Ping Li has collaborated with talented individuals such as Jeffrey P. Davis and Timothy D. Gunn, contributing to the advancement of innovative communication solutions.

Conclusion

Ping Li's contributions to the field of personal communications through his patents and collaborative efforts have established him as a prominent figure in the industry. His work continues to influence the way voice and data are transmitted, showcasing the importance of innovation in technology.

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