Inventor
Lee Tay Chew
Inventor
Cupertino, CA, US
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B81Bprimary
B81BMicrostructural devices or systems, e.g. micromechanical devices17%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers17%
B06BMethods or apparatus for generating or transmitting mechanical vibrations of infrasonic, sonic, or ultrasonic frequency, e.g. for performing mechanical work in general8%
G06GAnalogue computers8%
G10KSound-producing devices8%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems8%
H03FAmplifiers8%
H03GControl of amplification8%
H03HImpedance networks, e.g. resonant circuits8%
H10DInorganic electric semiconductor devices8%
PatentTitleYear
10,349,161Microphone circuits for canceling out the leakage characteristics of a transducer201910,250,980Digital microphone and control method therefor201910,110,121Charge pump with a rapid-discharge path20186,744,129'Integrated ground shield'20046,166,581'Differential integrator having offset and gain compensation, not requiring balanced inputs'2000Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2000Patents assigned to TRITECH MICROELECTRONICS LTD (1)· patent assignee history
2000Based in Singapore, SG· patent location history
2004Patents assigned to MICROTUNE SAN DIEGO INC (1)· patent assignee history
2004Based in San Diego, CA, US· patent location history
2018–2019Patents assigned to FORTEMEDIA INC (3)· patent assignee history
2018–2019Based in Cupertino, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FORTEMEDIA INC | 3 | 2018–2019 |
| MICROTUNE SAN DIEGO INC | 1 | 2004 |
| TRITECH MICROELECTRONICS LTD | 1 | 2000 |
Locations
| Location | Patents | Span |
|---|---|---|
| Cupertino, California, US | 3 | 2018–2019 |
| San Diego, California, US | 1 | 2004 |
| Singapore, SG | 1 | 2000 |