Signals and indicators – Indicators – Methods
Patent
1988-11-14
1990-01-16
Cuchlinski, Jr., William A.
Signals and indicators
Indicators
Methods
116207, 430945, 430964, B41M 526
Patent
active
048935816
ABSTRACT:
A display method is provided which comprises imparting a thermal energy to a display medium prepared by polymerizing a monomolecular film of a diacetylene derivative compound or a built-up film thereof and brought to a first state, so as to change said display medium to a second state within a temperature wherein the reversibility of change between the first state and the second state can be maintained.
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patent: 4439514 (1984-03-01), Garito
patent: 4562141 (1985-12-01), Tieke
patent: 4602263 (1986-07-01), Borror et al.
Matsuda Hiroshi
Miyazaki Toshihiko
Canon Kabushiki Kaisha
Cuchlinski Jr. William A.
Worth W. Morris
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