A bar code (often seen as a single word, barcode) is the small image of lines (bars) and spaces that is affixed to retail store items, identification cards, and postal mail to identify a particular product number, person, or location. ... A barcode reader is used to read the code.
Most linear barcodes can be identified by comparing start and stop patterns. Start/stop patterns tell barcode reader where to start and end. Code39 is a simple format that encodes alphanumeric data (capital letters and some punctuation).
A bar code (often seen as a single word, barcode) is the small image of lines (bars) and spaces that is affixed to retail store items, identification cards, and postal mail to identify a particular product number, person, or location. ... A barcode reader is used to read the code.
Most linear barcodes can be identified by comparing start and stop patterns. Start/stop patterns tell barcode reader where to start and end. Code39 is a simple format that encodes alphanumeric data (capital letters and some punctuation).
Notice: To protect the legitimate rights and interests of you, the community, and third parties, do not release content that may bring legal risks to all parties, including but are not limited to the following:
Politically sensitive content
Content concerning pornography, gambling, and drug abuse
Content that may disclose or infringe upon others ' commercial secrets, intellectual properties, including trade marks, copyrights, and patents, and personal privacy
Do not share your account and password with others. All operations performed using your account will be regarded as your own actions and all consequences arising therefrom will be borne by you. For details, see " User Agreement."