Storage unit for secret codes, e.g. for bank/credit cards and the like, has a table of random single numerals/letters and a template with structured windows to read off selected combinations

摘要

The unit to store secret codes has a table (1) of random single numerals/letters, in rows and columns, and template (2) with a number of windows (3-5) of different lengths and in a variety of orientations. As the template is placed on the table, and moved over it, various numeral combinations can be viewed through the windows. The template has a window (6) for positioning on the table. The table can be printed on a computer mouse pad.