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Plessey / MSI Bar Code

 

 

The Plessey bar code is a pulse-width, modulated, non-self checking code. Each character consists of eight elements: four bars and four spaces. The character set includes the digits 0 through 9 and the upper case letters A through F. Plessey bar codes are used primarily in libraries. The MSI Plessey bar code is a variant of the Plessey barcode that is used primarily in store shelf labeling. A Modulo 10 checksum is appended to the end of the code.


Products & Services
Bar code printers are used to output bar code data in printed form. Search by Specification | Learn more about Bar Code Printers
Ink jet printers project electrically charged droplets of ink onto a page. Types of ink jet printers include thermal and piezo. Search by Specification | Learn more about Ink Jet Printers
Bar code cards are computer boards that contain storage, font macros, and logic for printing barcodes. Learn more about Bar Code Cards
Slot card bar code scanners are designed to read imprinted bar code cards that are passed through the aperture on the reader. Search by Specification | Learn more about Slot Card Bar Code Scanners
Hand held bar code scanners are used typically as inventory or point of sale (POS) devices. These scanners are passed over bar codes manually to read data. They often have a gun or wand design. Search by Specification | Learn more about Handheld Bar Code Scanners

Product Announcements
Willington Companies - Bar Codes
A bar code symbol is an identification technology that encodes information into parallel arrangements of varying width bars and spaces. The term 'symbology' is used to describe the rules that specify... (read more)
Star Micronics America - Star Micronics TSP800 Printer Certified by TALtech
Star Micronics announces that its TSP800 series of thermal printers has earned certification from TALtech, one of the leading providers of bar code developer's tools. The certification allows... (read more)
Datamax-O'Neil - I-Class Linear Scanner
The Datamax Linear Scanner is an affordable, rugged and effective alternative to the high cost and complication of a traditional online bar code verifier for your I-Class printer. (read more)
Electronic Solutions Company, Inc. - Bar Code Control Box
Use this solution to read bar codes and compare against a master. Stop the conveyor, sound an alarm, or turn on a light if there's a missed bar code or the wrong bar code... (read more)
Laser Services, Inc. - Marking & Etching Services
As regulations for clearly legible, permanent marks increase, laser marking and etching is rapidly growing in popularity. Laser Services uses Nd: YAG and CO2 systems to mark metals, ceramics, plastics... (read more)
Electronic Solutions Company, Inc. - I-PAK Pharmaceutical Labeling Validation
The I-PAK system is designed to meet demanding Pharmaceutical Industry requirements for reliable, accurate and validated inspection of human readable, date/lot, NDC, label ID, linear barcodes, GS1... (read more)
Measurement Systems International - MSI-9850 RF Digital Indicator
A component of MSI's CellScale Network Solutions, the MSI-9850 RF Digital Indicator functions as a wireless remote terminal to provide complete control over all scale/sensor and data functions. (read more)
 

Topics of Interest
POSTNET is a bar codeused by the U.S. Postal Service (USPS) to sort mail automatically. The POSTNET code consists of evenly-spaced bars of two different heights. Each character is represented by five... (Read More)
EAN and JAN are abbreviations for European article numbering (EAN) and Japanese article numbering (JAN), respectively. EAN-13 is used worldwide for marking retail goods. It encodes 13 characters: the... (Read More)
AN1148 Cyclic Redundancy Check (CRC) Consider a message of 'M' of 'k' bits and generator Author: Sudhir Bommena polynomial 'G' of 'n + 1' bits. Dividing the message by Microchip Technology Inc. the... (Read More)
3.2 Character set To ensure that IEC programs can be readily ported to different systems, all textual information should use a restricted set of letters, digits and characters. The standard requires... (Read More)
Introduction RFID begins where barcode technology ends. A so-called smart label combines a \ barcode with an RFID tag. Smart labels have the intelligence and functionality of a tag and the printing... (Read More)