Portable marking device for use with transient document media

Details Portable marking device for use with transient document media Portable marking device for use with transient document media

2005-12-21

2009-02-10

Le, Huyen (Department: 3751)

Coating implements with material supply

Combined

Reexamination Certificate

active

07488132

ABSTRACT:
The presently described embodiments take an exemplary form of a pen with an ink formulated from dyes that are compatible with transient document media systems. In one form, an internal ultraviolet source that illuminates the ink that is to be written is provided to the pen. This transforms the ink into a dark state. Once written, the lines can be seen like a conventional ink. When heat used to erase the underlining sheet is applied, the annotations made by the subject device will be erased as well.

REFERENCES:
patent: 6164856 (2000-12-01), Lo
patent: 6860616 (2005-03-01), Yu et al.
patent: 7160045 (2007-01-01), Oas
patent: 7300727 (2007-11-01), Kazmaier et al.
patent: 2005/0244742 (2005-11-01), Iftime et al.
patent: 2005/0244743 (2005-11-01), Iftime et al.
patent: 2005/0244744 (2005-11-01), Kazmaier et al.

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