Danish digital stamp
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- 张锦堂
- Publication Date
- 2012-04-11
- Estimated Expiration
- Not applicable · inactive patent
Abstract
Description
technical field
[0001] The present application relates to a ground-breaking Danish postal article, in particular to one in which the side on which Danish stamps are securely arranged, displayed or on which Danish precious metal stamps and corresponding text and symbols (content on the product side) is arranged, is the product side of the Danish digital stamp; The other side is (with the function of optical storage [optical storage] - an electronic storage medium that uses low-power lasers to record and retrieve digital [binary] data) the information recording side of the Danish digital stamp, which is a disc-shaped (including standard and non-standard disc shapes) pioneering Danish postal supplies.
[0002] It is an invention patent application based on the application number: 02141736.9. At the same time, more than 40 invention patent application documents were submitted: British digital stamps, German digital stamps, Japanese digital stamps, Chinese digital stamps, Indian d...