Position-coding pattern
First Claim
Patent Images
1. A product comprising:
- a base;
a first position code provided to define locations of a plurality of first points, said first position code allowing a sensing device to determine positions from a surface of the base;
a user-identifiable field provided on the base, the field being associated with a predetermined function to be performed in consequence of the sensing device being placed in the field;
at least one zone including said field; and
a second position code provided to define locations for a plurality of second points, said second position code allowing a user unit to determine positions from within said at least one zone.
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Abstract
A product is on a surface provided with a first position code which codes locations of a plurality of first points. In at least one zone on the surface, the product is further provided with a second position code which codes locations of a plurality of second points. The zone further comprises a field which is associated with a predetermined function to be performed in consequence of a sensing device being placed in the field. Methods and devices for coding and for recording of information from a surface are also described.
27 Citations
13 Claims
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1. A product comprising:
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a base; a first position code provided to define locations of a plurality of first points, said first position code allowing a sensing device to determine positions from a surface of the base; a user-identifiable field provided on the base, the field being associated with a predetermined function to be performed in consequence of the sensing device being placed in the field; at least one zone including said field; and a second position code provided to define locations for a plurality of second points, said second position code allowing a user unit to determine positions from within said at least one zone. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method for recording information from a surface of a base, said base being provided with a first position code which codes locations of a plurality of first points, and which, in at least one zone, is further provided with a second position code which codes locations of a plurality of second points, the method comprising:
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obtaining an image of the surface of the base using a sensing device; determining whether the second position code is present in the recorded image; if the second position code is detected in the image, determining, the location of at least one of said plurality of second points by means of the second position code; and determining, on the basis of the second position code, whether the sensing is placed in a field on the surface, which field is associated with a function to be carried out by the sensing device. - View Dependent Claims (9, 10)
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11. A sensing device for recording information from a surface of a base, the base being provided with a first position code coding locations of a plurality of first points and, in at least one zone, is further provided with a second position code coding locations of a plurality of second points, the sensing device comprising a processor adapted to:
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determine whether or not the second position code is present in an image of the surface recorded by means of the sensing device; determine the location of at least one of said plurality of second points by means of the second position code if the second position code is determined to be present; and determine, on the basis of the second position code, whether the sensing device is placed in a field on the surface of the base, where the field is associated with a function to be performed by the sensing device. - View Dependent Claims (12, 13)
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Specification