Articles tagged with: optical
Understanding Am 58Khz And Rf 82Mhz Optical Tags For Retail Security
The retail industry employs sophisticated security measures to protect merchandise from theft, with electronic article surveillance (EAS) systems being a common solution. Central to these systems are specialized security tags, …
17 Oct 2025Understanding Optigan Sample Collections Availability Formats And Usage
The Optigan, a unique musical instrument designed by Mattel and available from 1971-1976, utilized an innovative optical playback system that interpreted drawings on clear discs as sounds. This technology produced …
13 Oct 2025