US Patent No: 6,821,102
Number of patents in Portfolio can not be more than 2000
Drive control apparatus for an injection molding machine
Stats
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Nov 23, 2004
Issued date -
Jun 7, 2002
filing date -
10/163,347
serial no -
In Force
status
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Abstract
A drive control apparatus is used in an injection molding machine in order to drive and control a servomotor for moving a movable member. Among a plurality of functional sections which constitute a servo circuit connected to the servomotor, at least one functional section (e.g., a safety circuit section, etc.) selected as a functional section having a higher degree of importance is constituted by a hardware circuit section realized without use of software; and the remaining functional section or sections are constituted by a software circuit section realized by making use of software.
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First Claim
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International Classification(s)
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Cited Art
| Patent Info | (Count) | # Cites | Year |
|---|---|---|---|
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| 6,520,761 Protection apparatus for an injection molding machine | 2 | 2001 | |
Patent Citation Ranking
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | May 23, 2016 |
| Fee | Large entity fee | small entity fee | micro entity fee |
|---|---|---|---|
| Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
| 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 |