Invention Application
- Patent Title: Mock X-ray/ultraviolet machine
- Patent Title (中): 模拟X射线/紫外线机
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Application No.: US11803799Application Date: 2007-05-16
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Publication No.: US20070220791A1Publication Date: 2007-09-27
- Inventor: Samuel Chapman , Samuel Johnson
- Applicant: Samuel Chapman , Samuel Johnson
- Main IPC: G02B27/02
- IPC: G02B27/02
Abstract:
Device with light can be employed to view an image otherwise hidden to the eye. The hidden image can be masked with another image that is visible to the eye without aid of the device. A display card can be employed to provide masking and hidden images.
Information query
