Optical fiber interface for integrated circuit test system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Jul 15, 2003
Issued Date -
N/A
app pub date -
Oct 11, 2001
filing date -
Apr 23, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A bi-directional interface for transmitting signals between a circuit tester and a connection point proximate to a circuit to be tested includes a first and a second optical fiber link, a first directional gate for coupling both the input end of the first link and the output end of the second link to one endpoint of the interface and a second directional gate for coupling both the input end of the second link and the output end of the first link to the other endpoint of the interface. An optical fiber link includes an optical fiber, a light source, and a photodetector.
First Claim
all claims..Other Claims data not available
Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
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INTEST CORPORATION | 7 ESTERBROOK LANE CHERRY HILL NJ 08003 |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Sargent, IV Thornton W | Redwood City, CA | 5 | 55 |
# of filed Patents : 5 Total Citations : 55 | |||
Smith, Douglas W | Los Altos, CA | 36 | 503 |
# of filed Patents : 36 Total Citations : 503 |
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Patent Citation Ranking
- 4 Citation Count
- H04B Class
- 0.69 % this patent is cited more than
- 22 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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Date | Code | Event | Description |
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Jun 10, 2019 | MAFP | MAINTENANCE FEE PAYMENT | free format text: PAYMENT OF MAINTENANCE FEE, 12TH YR, SMALL ENTITY (ORIGINAL EVENT CODE: M2553); ENTITY STATUS OF PATENT OWNER: SMALL ENTITY year of fee payment: 12 |
Jun 11, 2015 | FPAY | FEE PAYMENT | year of fee payment: 8 |
Jun 13, 2011 | FPAY | FEE PAYMENT | year of fee payment: 4 |
Dec 11, 2007 | I | Issuance | |
Nov 21, 2007 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Aug 09, 2007 | P | Published | |
Feb 09, 2006 | F | Filing | |
Feb 09, 2006 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:SHAN, XINXIN;REEL/FRAME:017556/0775 Owner name: LED SMART INC., CANADA Effective Date: Feb 09, 2006 |

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