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United States of America Design
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Jul 19, 2005
Grant Date -
N/A
app pub date -
Jun 23, 2004
filing date -
Jun 23, 2004
priority date (Note) -
In Force
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Abstract
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First Claim
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
HANBROS INDUSTRIAL CO LTD | NO 179 SEC 3 CHANG HO RD HO MEI CHEN CHANGHUA HSIEN TAIWAN R O C |
International Classification(s)

- 2004 Application Filing Year
- 1499 Class
- 4 Applications Filed
- 4 Patents Issued To-Date
- 100 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Yang, Frank | Changhua, TW | 457 | 17290 |
# of filed Patents : 457 Total Citations : 17290 |
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Patent Citation Ranking
- 8 Citation Count
- 1499 Class
- 0 % this patent is cited more than
- 20 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 |
---|---|---|---|
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
US Patent No: 9832557
Slim microspeaker
Abstract
A microspeaker includes a frame, magnetic circuit, voice coil configured to generate vibration by mutual electromagnetic force with the magnetic circuit, vibration plate configured to vibrate together according to the vibration of the voice coil to generate a sound, and suspension configured to guide a vibration direction of the vibration plate and voice coil. The suspension has a central portion attached to the voice coil, an annular outer circumferential portion formed to be spaced apart from the central portion by a predetermined interval, and a connection portion connecting the central and outer circumferential portions and configured to perform a damping function. The central portion has an outer end having the same height as the connection and outer circumferential portions, an inner end positioned to be higher than the outer end, and a step portion connecting the outer end and inner end. The voice coil is attached to the inner end.
Description
Claims
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Legal Events
Date | Code | Event | Description |
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Jul 01, 2024 | AS | ASSIGNMENT | free format text: MERGER;ASSIGNOR:FUJIFILM HEALTHCARE CORPORATION;REEL/FRAME:069923/0627 Owner name: FUJIFILM CORPORATION, JAPAN Effective Date: Jul 01, 2024 |
Jul 01, 2024 | AS | ASSIGNMENT | free format text: MERGER;ASSIGNOR:FUJIFILM HEALTHCARE CORPORATION;REEL/FRAME:069170/0272 Owner name: FUJIFILM CORPORATION, JAPAN Effective Date: Jul 01, 2024 |
Jan 17, 2024 | MAFP | MAINTENANCE FEE PAYMENT | free format text: PAYMENT OF MAINTENANCE FEE, 8TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1552); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 8 |
Oct 13, 2021 | AS | ASSIGNMENT | free format text: CORRECTIVE ASSIGNMENT TO CORRECT THE THE PROPERTY AND APPLICATION NUMBERS PREVIOUSLY RECORDED AT REEL: 058026 FRAME: 0559. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT;ASSIGNOR:HITACHI LTD.;REEL/FRAME:058917/0853 Owner name: FUJIFILM HEALTHCARE CORPORATION, JAPAN Effective Date: Oct 13, 2021 |
Oct 13, 2021 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:HITACHI, LTD.;REEL/FRAME:058026/0559 Owner name: FUJIFILM HEALTHCARE CORPORATION, JAPAN Effective Date: Oct 13, 2021 |
Jan 16, 2020 | 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 |
Aug 02, 2016 | I | Issuance | |
Jul 13, 2016 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Apr 01, 2016 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:HITACHI MEDICAL CORPORATION;REEL/FRAME:052860/0872 Owner name: HITACHI, LTD., JAPAN Effective Date: Apr 01, 2016 |
Apr 02, 2015 | P | Published | |
Jul 15, 2014 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:GOTO, TAIGA;TAKAHASHI, HISASHI;HIROKAWA, KOICHI;SIGNING DATES FROM 20140606 TO 20140609;REEL/FRAME:033315/0395 Owner name: HITACHI MEDICAL CORPORATION, JAPAN |
Mar 18, 2013 | F | Filing | |
Apr 24, 2012 | PD | Priority Date |

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