Method of driving a servo motor with a built-in drive circuit
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Aug 23, 2005
Grant Date -
Sep 16, 2004
app pub date -
Nov 10, 2003
filing date -
Mar 6, 2003
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Disclosed is a method of driving a servo motor with a built-in drive circuit in which a common rectifying circuit is provided on a distribution board to which a plurality of the servo motors with built-in drive circuits are connected, to thereby achieve a reduction in size of each servo motor. In this method, there is used a common distribution board for distributing power to be supplied to a plurality of servo motors with built-in drive circuits and for distributing a communication line, an external communication signal and external input power are supplied through the distribution board.
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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TAMAGAWA SEIKI KABUSHIKI KAISHA | IIDA-SHI NAGANO-KEN |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Miura, Hiromasa | Nagano-ken, JP | 13 | 72 |
# of filed Patents : 13 Total Citations : 72 | |||
Noda, Toshiyuki | Nagano-ken, JP | 20 | 166 |
# of filed Patents : 20 Total Citations : 166 |
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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 |
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Legal Events
Date | Code | Event | Description |
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Jul 14, 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 |
Jan 30, 2018 | I | Issuance | |
Jan 10, 2018 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Oct 01, 2015 | P | Published | |
Mar 10, 2015 | F | Filing | |
Feb 20, 2015 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:URAMOTO, TAKAMASA;REEL/FRAME:035357/0590 Owner name: FUJITSU LIMITED, JAPAN Effective Date: Feb 20, 2015 |
Mar 27, 2014 | PD | Priority Date |

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