3 ms·
The advantage to the RCA one is you can scan it at any angle, but I feel like that’s a small benefit in practice
by tnecniv 3y ago
The advantage to the RCA one is you can scan it at any angle, but I feel like that’s a small benefit in practice
- snakeyjake 3y agoThey fixed that fairly quickly in supermarkets when they introduced the star-shaped scanning surface with 6(?) lasers that could scan MOST items with a single swipe so long as the barcode was pointing down. And the big ol' red and green lights that flashed when you did it right or wrong. Like this one: https://www.flickr.com/photos/42444189@N04/18522348892 https://www.flickr.com/photos/42444189@N04/18522348892 I barely remembered it it's been so long since I worked a checkout one summer.