Tri-Tronics Company: High-resolution sensor

The MARK-EYE® Pro from Tri-Tronics is a high-speed (45us response time), high-resolution sensor designed to accurately detect printed registration marks on continuous web machinery.

May 4, 2011

The sensor uses the broadband characteristics of a white LED light that provides the high resolution needed for detecting a wider range of color combinations on any color background. Other features include: easy one-touch AUTOSET setup; high immunity to ambient light; 5-LED contrast indicator; selection of lens and fiberoptic light guides.

Tri-Tronics

Get the PACK EXPO Innovations Reports First

Discover Leading Suppliers

Machinery Basics

Horizontal form/fill/seal packaging equipment guide cover with machinery illustration and ProSource branding

How Do Horizontal Form/Fill/Seal Machines Work?

Video Explainer on Thermoforms and Vacuum Packs for Proteins

Package This guide cover featuring liquid filling equipment machinery and packaging solutions from Packaging World and ProSource 2026

A Video Overview of Liquid Filling Machines

Vertical form/fill/seal packaging equipment guide cover with machinery illustration and 2026 branding

What Can You Package on a Vertical Form/Fill/Seal Machine?

Under the TIA/MWF petition, a single QR code could stand in for the printed compliance leaflets that ship with smartphones today, linking to a regulatory page manufacturers could update after products reach store shelves. For phones, the device itself provides an offline backup. OTC and pharma brands considering the same swap for package inserts have no such fallback.

Telecom Asks FCC to Let On-pack 2D Codes Replace Printed Regs

Telecom groups want the FCC to let a QR code replace printed regulatory text on device cartons, an idea the agency shelved in 2017. The questions it raises, from code standards to the 1 in 11 U.S. adults without a smartphone, may inform or shape how OTC, pharma, and CPG brands move leaflets and on-pack text online.

Four Clean Cult Pure Castile Soap bottles in different scents displayed on colored pedestals against a vibrant geometric background

Clean Cult’s Retro Packaging Gives Castile Soap New Appeal

Busy warehouse fulfillment center with workers sorting pink and red packages among cardboard boxes and yellow support columns.

BCI Opens Dedicated Co-packing Facility in Houston

Four people on a video conference call displayed in a grid layout from their home offices

End of the Line Video Series: AI Updates, Cybersecurity Threats and Attacks, and What's Old Becomes New

Improve Product Visibility Across Your Supply Chain

Need help with your packaging project?

We’ve done the legwork to identify and vet experienced packaging and processing consultants you can contact directly for your next project. Decades of combined experience in packaging line engineering, machinery selection, package and materials development, and food processing operations.

See your advisor options now.

Your liquid filling supplier shortlist starts here

30+ suppliers across sachets, pouches, bag-in-box, and stick packs. Free, no search required.

Products

Bright workspace with laptop, cappuccino, notebooks, and smartphone on light wooden desk

Tri-Tronics Company: High-resolution sensor

Tri-Tronics

Get the PACK EXPO Innovations Reports First

Discover Leading Suppliers

How Do Horizontal Form/Fill/Seal Machines Work?

Video Explainer on Thermoforms and Vacuum Packs for Proteins

A Video Overview of Liquid Filling Machines

What Can You Package on a Vertical Form/Fill/Seal Machine?

Telecom Asks FCC to Let On-pack 2D Codes Replace Printed Regs

Clean Cult’s Retro Packaging Gives Castile Soap New Appeal

BCI Opens Dedicated Co-packing Facility in Houston

End of the Line Video Series: AI Updates, Cybersecurity Threats and Attacks, and What's Old Becomes New

Improve Product Visibility Across Your Supply Chain

Heat-Seal Coating

AI-enabled X-ray Inspection Software Platform

Flip-Top Closure for Dish Soap and Personal Care

Packaging World Resource Guide 2027

October 2026

PEI Showcase 2026

September 2026

Pack It, Stack It, Ship It

Both a Brand Owner & Adhesive Supplier, Henkel Designs for Recyclability

Cobot Palletizers: Complete Supplier Directory

Flexible Liquid Filling Machines: Supplier Directory