标签的存在通过光电或超声波叉式传感器进行检测。光电传感器用于高速率检测，而超声波传感器则推荐用于透明载体上透明标签的检测。
Datalogic Scheduled Maintenance, Dec 15th, 1.45 AM / 2.00 AM (CET)
Datalogic wants to make you aware that on Dec 15th, 1.45 AM / 2.00 AM (CET), there will be scheduled down time for approximately 15 minutes.
We will be using this time to add more capacity to our infrastructure and speed up our overall service.
During this maintenance window, our Corporate Website (datalogic.com), Partner Portal (Extranet) and all the related services will be inaccessible.
All system functionalities will resume immediately after the maintenance window.
We appreciate your patience and understanding.
