Optical reader having position responsive decode launch circuit
First Claim
Patent Images
1. An optical reader comprising:
- a multiple pixel one dimensional image sensor, said image sensor generating image signals;
an imaging optics focusing a target image on said image sensor;
a control circuit couples to said image sensor, said control circuit configured, on the actuation of a trigger to;
capture slice frame image data;
search for a decodable symbol representation in said slice of image data;
determine whether said decodable symbol is within a predetermined valid zone; and
launch a decode algorithm for decoding said decodable symbol representation if said control circuit determines that said decodable symbol is within said predetermined valid zone.
0 Assignments
0 Petitions
Accused Products
Abstract
A one-dimensional optical reader which senses a position of a decodable symbol representation in captured image data and which utilizes the sensed position information to determine whether to launch a decoding algorithm to decode the symbol representation.
91 Citations
30 Claims
-
1. An optical reader comprising:
-
a multiple pixel one dimensional image sensor, said image sensor generating image signals;
an imaging optics focusing a target image on said image sensor;
a control circuit couples to said image sensor, said control circuit configured, on the actuation of a trigger to;
capture slice frame image data;
search for a decodable symbol representation in said slice of image data;
determine whether said decodable symbol is within a predetermined valid zone; and
launch a decode algorithm for decoding said decodable symbol representation if said control circuit determines that said decodable symbol is within said predetermined valid zone. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
-
-
11. An optical reader comprising:
-
a 1D image sensor having a linear pixel array;
an imaging optic focusing an image onto said linear pixel array;
a control circuit in communication with said 1D pixel array, wherein said control circuit is configured to;
capture a slice frame of image data representing said image;
find position data respecting a decodable symbol representation in said captured slice frame of image data; and
utilize said position data in determining whether to launch a decoding algorithm to decode said decodable symbol representation. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
-
-
21. An optical reader comprising:
-
an illumination system;
a multiple pixel one dimensional image sensor, said image sensor generating image signals;
an imaging optics focusing a target image on said image sensor;
a control circuit coupled to said image sensor, wherein said control circuit is configured, on a driving of a trigger signal to an ON state, to;
capture slice image data;
locate each symbol representation represented in said image data;
issue each symbol representation in said slice image data a position score; and
launch a decode algorithm decoding a symbol representation of said image data having a highest position score. - View Dependent Claims (22, 23, 24, 25, 26, 27)
-
-
28. An optical reader comprising:
-
an illumination system projecting an aiming pattern;
a 1D image sensor generating image signals;
a control circuit coupled to said image sensor, wherein said control circuit captures slice image data;
a first “
full field”
operating mode in which said control circuit decodes a first located symbol of said slice image data;
a second “
position dependant decode”
operating mode in which said control circuit finds position data of a symbol representation of said slice image data and utilized said position data to determine whether to launch a decode algorithm to decode said symbol representation;
wherein said reader is configured so that a user selects between said first mode and said second mode via a menu interface. - View Dependent Claims (29, 30)
-
Specification