Web-position controller
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United States of America Patent
Stats
-
Aug 2, 1988
Grant Date -
N/A
app pub date -
Apr 10, 1986
filing date -
Apr 11, 1985
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A conveyor belt controller for controlling the variations in the lateral position of a running conveyor belt comprises a regulated stretch of conveyor belt having a guide member, particularly a guide roller, at one end, a controllable guiding mechanism able to laterally displace the conveyor belt when the conveyor belt is shifted from a correct position, and at least one video camera observing the lateral motion of the conveyor belt whose electrical image signal is convertable by a computer into a controlling command for the guiding mechanism. The video camera is mounted upstream from the guide member spaced approximately a distance equal to the length of the regulated stretch. An indicating member is provided in the image field of the video camera for the actual position of the guiding mechanism extending transversely to the guiding mechanism. Advantageously, the indicating member is provided with an indicator light source which is pulsed for more sensitive detection.

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 | |
---|---|---|
ERHARDT & LEIMER GMBH A CORP OF WEST GERMANY | LEITERSHOFERSTRASSE 80 AUGSBURG D-8900 |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Zerle, Ludwig | Mering, DE | 7 | 90 |
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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 |
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