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Browse Prior Art Database

Data Entering System

IP.com Disclosure Number: IPCOM000075530D
Original Publication Date: 1971-Oct-01
Included in the Prior Art Database: 2005-Feb-24
Document File: 3 page(s) / 55K

Publishing Venue

IBM

Related People

Jones, JE: AUTHOR [+2]

Abstract

This is a scanning system for reading selectively reflective coded indicia placed on merchandise packages and the like.

This text was extracted from a PDF file.
At least one non-text object (such as an image or picture) has been suppressed.
This is the abbreviated version, containing approximately 45% of the total text.

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Data Entering System

This is a scanning system for reading selectively reflective coded indicia placed on merchandise packages and the like.

The system includes a scanning head, which is adapted to be placed in a given relationship with respect to the coded indicia on the package which is to be read. The system also includes cyclically operable means for aperture scanning the image of the indicia presented at the termination of the light conductive means successively at different positions with respect to the termination, all of the successive different positions having the same orientation, and, thereafter, for aperture scanning the image of the indicia presented at the termination of the second conductive means successively at different positions on the second termination, with an orientation rotationally displaced approximately ()+ with respect to the image presented at the first termination. In addition, the system includes transducer means responsive to the aperture scanned image for providing electrical signals corresponding to the intensity of the transmitted light, and means responsive to the output signals from the transducers for storing the information so supplied. Additional circuits, responsive to the cyclically operated scanning means, count events occurring in the signals generated by the transducer for indicating a complete scan whenever the counted events equal a predetermined number and, thereafter, signalling a good operation to the operator by lighting the window 11 through the lamp 10.

The scanning head 1, shown schematically in Fig. 1, is pistol shaped and includes a barrel portion and a grip portion. The grip portion 12 includes a trigger-like switch actuator 17 which operates a start switch 16. Conductors from switch 16 extend through cable 14 to terminal and control unit 18. A light 9 is connected to a power source 6. A spherical mirror 7, located behind the light 9, reflects the light radiated from the back side of the lamp 9. The light from source 9 and mirror 7 passes through a half-silvered mirror 8 and is directed toward a drum-like member 5. The drum-like member 5 is provided with several openings or translucent areas and will be described in greater detail in connection with Figs. 2 and 3. The illumination passing through the openings in the drum 5 passes through a fiberoptic bundle 4.

The fiberoptic bundle 4 is provided with a 90 degree twist so that the orientation of an image at the two ends of the bundle is rotated by 90 degrees, thus an upright Image to the left side of the bundle will result from a horizontal image at the right side of the bundle. This twisting effect is illustrated by the lines representing the fibers within the bundle. The light passing through the fiberoptic bundle 4 passes again through the drum member 5 and via a second fiberoptic bundle 3 to the container 2 on which is printed the code to be read. The fibers in bundle 3 are oriented in straight lines. If the scanning hea...