Manufacturing method of printed material
AssigneeToshiba Tec Kabushiki Kaisha
InventorsTakafumi Hara, Maiko Miyoshi, Mamoru Nomura
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Abstract
A manufacturing method of a printed material that stores machine-readable information, includes forming, on a base material, a first layer including a first code symbol that is machine-readable and represents first information, using a first coloring material, and forming, on the first layer, a second layer including a second code symbol that is machine-readable and represents second information, using a second coloring material that is different from the first coloring material and decolorable at a particular temperature, such that the first code symbol is at least partly covered by the second coloring material.
Claims22
A manufacturing method for a printed material that stores machine-readable information, the method comprising:
- forming, on a base material, a first layer including a first code symbol that is machine-readable and represents first information, using first ink or toner;
- and
- forming, on the first layer, a second layer including a second code symbol that is machine-readable and represents second information, using second ink or toner that is different from the first ink or toner and decolorable at a particular temperature, such that the first code symbol is covered by the second ink or toner.
A printing system for manufacturing a printed material that stores machine-readable information, comprising:
- a first printer configured to print a first code symbol that is machine-readable and represents first information using first ink or toner;
- a second printer configured to print a second code symbol that is machine-readable and represents second information using second ink or toner that is different from the first ink or toner and decolorable at a particular temperature;
- and
- a processor configured to:
- control the first printer to form, on a base material, a first layer including the first code symbol, and
- control the second printer to form, on the first layer, a second layer including the second code symbol such that the first code symbol is covered by the second ink or toner.
A machine-readable label that stores two different pieces of information that cannot be read at the same time, comprising:
- a base material;
- a first layer on the base material and including a first code symbol that is machine-readable and represents first information, the first layer being formed of first ink or toner;
- and
- a second layer on the first layer and including a second code symbol that is machine-readable and represents second information, the second layer being formed of second ink or toner that is different from the first ink or toner and decolorable at a particular temperature, wherein
- the first code symbol is covered by the second ink or toner such that a code reader cannot read the first code symbol until the second code symbol is decolored.
Dependencies are inferred from the claim text.