Contact type electret condenser pickup
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Jan 3, 2012
Grant Date -
Mar 13, 2008
app pub date -
Aug 17, 2007
filing date -
Sep 13, 2006
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A contact type electret condenser pickup to deliver high anti noise, top talking quality, and comprehensive range of applications includes a casing provided with an accommodation chamber to contain an O-ring, a vibration part, an insulation packing, a back plate retaining ring containing a back plate, a conductive connection ring, and a circuit board horizontally placed in sequence; vibration of a sound of a user is transmitted to the vibration part; then an inertia vibration of the metal sheet changes capacitance between the vibration part and the back plate; the changed vibration is converted through the circuit board set into voltage of alternating signals for output variable according to changes of vibration.
First Claim
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Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
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TRANSOUND ELECTRONICS CO LTD | SHIJIE ZHEN SI JIA CUN 523000 GUANGDONG CITY OF DONGGUAN PROVINCE DONGGUAN CITY GUANGDONG PROVINCE 523000 |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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He, Zhi-Jian | Guangdong, CN | 2 | 5 |
# of filed Patents : 2 Total Citations : 5 | |||
Ouyang, Yi | Guangdong, CN | 10 | 75 |
# of filed Patents : 10 Total Citations : 75 | |||
Zheng, Hu-Ming | Guangdong, CN | 3 | 7 |
# of filed Patents : 3 Total Citations : 7 |
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Patent Citation Ranking
- 1 Citation Count
- H04R Class
- 1.71 % this patent is cited more than
- 13 Age
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
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Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
Full Text

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Jul 15, 2021 | MAFP | MAINTENANCE FEE PAYMENT | free format text: PAYMENT OF MAINTENANCE FEE, 4TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1551); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 4 |
Feb 20, 2018 | I | Issuance | |
Jan 31, 2018 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Aug 25, 2016 | P | Published | |
May 02, 2016 | F | Filing | |
May 02, 2016 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:CLARK, TIMOTHY JOSEPH;SURNILLA, GOPICHANDRA;GERHART, MATTHEW JOHN;AND OTHERS;SIGNING DATES FROM 20130826 TO 20131003;REEL/FRAME:038439/0584 Owner name: FORD GLOBAL TECHNOLOGIES, LLC, MICHIGAN |

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