US 12,126,778 B2
Image forming apparatus
Yoji Sato, Izunokuni Shizuoka (JP)
Assigned to Toshiba Tec Kabushiki Kaisha, Tokyo (JP)
Filed by Toshiba Tec Kabushiki Kaisha, Tokyo (JP)
Filed on May 31, 2023, as Appl. No. 18/327,034.
Claims priority of application No. 2022-167579 (JP), filed on Oct. 19, 2022.
Prior Publication US 2024/0137453 A1, Apr. 25, 2024
Prior Publication US 2024/0236253 A9, Jul. 11, 2024
Int. Cl. H04N 1/32 (2006.01); H04N 1/60 (2006.01)
CPC H04N 1/32347 (2013.01) [H04N 1/32523 (2013.01); H04N 1/6091 (2013.01)] 18 Claims
OG exemplary drawing
 
1. An image forming apparatus comprising:
a first printer configured to print on a medium using a first material;
a second printer configured to print on the medium using a second material that turns invisible when a first condition is satisfied; and
a processor configured to:
control the first printer to print on the medium a first symbol that is machine-readable and associated with first information, and
control the second printer to print a second symbol on the medium on which the first symbol has been printed, wherein a composite symbol of the first and second symbols is machine-readable and associated with second information different from the first information, wherein
the first symbol is readable by an information processing apparatus and causes the information processing apparatus to display the first information when read by the information processing apparatus, and
the composite symbol is readable by the information processing apparatus and causes the information processing apparatus to display the second information when read by the information processing apparatus.