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| Method and circuit for the digital deflection correction of TV picture tubes |
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| Video detector employing PLL system |
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Automated setup verification system
| Details |
Inventors: Rezaei, Fredrick F.;
Assignee: The Boeing Company (Seattle, WA)
Primary Examiner: Smith; Jerry
Assistant Examiner: Tousi; Cameron H.
Attorney, Agent or Firm: Hennen; Thomas W.
An automated setup verification system provides a means and method for rapidly and accurately verifying that the component feeder magazines on a surface mount technology placement machine are correctly installed for manufacturing a selected printing wiring assembly. The system prevents manufacture until machine setup is verified correct, thus preventing manufacture of a large number of defective assemblies when there has been erroneous placement of component feeder magazines. The system comprises a local area controller which contains design and machine information, a programmable logic controller, a bar code scanning and proximity detection system, a test station for testing a sample component from a component feeder magazine, and a structural bridging and spanning assembly for adapting the invention to an existing surface mount technology placement machine. An operator associates a component to a component reel and a component feeder magazine in the local area controller using a bar code system. The loaded component feeder magazines installed on a placement machine are scanned to verify their positions are correct. Any incorrectly positioned component feeder magazines are indicated to the operator for repositioning prior to manufacturing information being downloading to the surface mount technology placement machine. |
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DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT Referring now to the drawing wherein like parts and elements are designated by like reference characters throughout the several figures, and in particular referring to FIG.
1, there is shown a mechanical support structure 5 which bridges and spans a surface mount technology placement machine 10 (Fuji CPIII Surface Mount Technology (SMT) placement machine or equivalent) shown in phantom.
Mechanical support structure 5 may comprise any number of upright support posts 11 and 11' depending upon the support requirements of a particular installation.
Support posts 11 and 11' may be any sort of column such as an "I" beam or tubing or other conventional structural shape.
Steel is a convenient structural material for use in mechanical support structure 5, although many other materials, including but not limited to aluminum, a structural composite material, or even wood could be used.
The components of mechanical support structure 5 may be joined by any conventional mechanical fastening technique, such as welding, bolts, screws, rivets, or even adhesives, provided a rigid structure is obtained.
A support structure utilizing tightly strung cables is not beyond the realm of possibility.
As illustrated in FIG.
1, one end of mechanical support structure 5 has a pair of support posts 11 and the other end has a pair of support posts 11', each member of each pair is oriented vertically and spaced apart from the other member of that pair, one on either side of placement machine 10, for a total of four support posts.
As illustrated in FIG.
1, each background support post is aligned with and hidden behind a foreground support post at each end of mechanical support structure 5.
The arrangement of the support post pairs 11 and 11' describe a rectangle when viewed from above.
Bridging between members of each support post pair 11 and 11' at each end of mechanical support structure 5 are bridging members 12 and 12' which are illustrated as having a tubular sectional shape but which could have an "I" or any other common structural shape
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