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Container for printing material, technique of detecting information on printing material in container, and technique of allowing for transmission of information between container and printing device

A printing material and printing device technology, applied in the field of mutual information transmission, can solve problems such as different working voltages and abnormally complicated power circuits

Inactive Publication Date: 2004-03-17
SEIKO EPSON CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the case of such a structure, the operating voltages of electronic components such as memories and sensors may be different, and there is a problem that the power supply circuit by electromagnetic waves becomes extremely complicated.

Method used

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  • Container for printing material, technique of detecting information on printing material in container, and technique of allowing for transmission of information between container and printing device
  • Container for printing material, technique of detecting information on printing material in container, and technique of allowing for transmission of information between container and printing device
  • Container for printing material, technique of detecting information on printing material in container, and technique of allowing for transmission of information between container and printing device

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0026] Embodiments of the present invention will be described in the following order based on examples.

[0027] A. Outline structure of ink container

[0028] B. Electrical structure of the ink container

[0029] C. Circuit structure of the ink level detection unit

[0030] D. Ink volume measurement procedure

[0031] E. Effect

[0032] F. Variation

[0033] A. Outline structure of ink container

[0034] figure 1 It is an external perspective view of the ink container 100 . In the lower part of the ink tank 100, an ink supply port 110 for supplying ink to the print head of the printer is provided, and an antenna 120 for communicating with the printer by radio waves, a sensor SS for measuring the amount of ink, and a logic circuit 130 are arranged on the upper part.

[0035] In this embodiment, a piezoelectric actuator is used in the sensor SS. The sensor SS is installed in a cavity (not shown) in the ink container 100 . The cavity is filled with ink when the remainin...

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Abstract

Container for printing material, technique of detecting information on printing material in container, and technique of allowing for transmission of information between container and printing device. In an ink container (100) of the invention, an electric power generator (240) rectifies a carrier wave transmitted from a printer (PT) and thereby generates an electric power for driving a controller (210) and an RF circuit (200). A program voltage generator (250) and a sensor driving voltage generator (260) are connected in series with the electric power generator (240) to individually generate a program voltage required for writing data into an EEPROM (220) and a voltage required for driving a sensor (SS) including a piezoelectric element. The arrangement of the invention efficiently generates electric powers, which are to be supplied to respective constituents of a container for a printing material, such as the ink container (100), which establishes communication with a printing device, such as the printer (PT), from a preset electric power generated by utilizing a radio wave.

Description

technical field [0001] The present invention relates to a storage container for printed materials that is installed in a printing device and communicates with the printing device by using electromagnetic waves, a technology for detecting printed materials in the storage container, and the connection between the storage container and the printing device technology for communicating information between them. Background technique [0002] Conventionally, there have been proposals to mount electronic components such as a memory in an ink container installed in a printing device such as an inkjet printer, so as to realize data exchange with the printing device. For example, it has been practically used to have a read-only memory (ROM) recording individual information such as the ink container's serial number, date of manufacture, and type of ink to be filled in an ink container provided with a memory. Furthermore, it has been proposed to provide a sensor as an electronic compone...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B41J2/175B41J29/393G06F13/00
CPCB41J2/17546
Inventor 小杉康彦朝内升
Owner SEIKO EPSON CORP