Seal carving apparatus and seal carving method
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United States of America Patent
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Jun 12, 2018
Issued Date -
N/A
app pub date -
Sep 13, 2017
filing date -
Oct 30, 2014
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A seal carving apparatus includes a thermal head having a plurality of heat generating elements disposed in lines, and thermal drive control means that performs a control process of selectively and thermally driving the individual heat generating elements while moving the thermal head and a porous material in relative to each other with the thermal head being in abutment with the porous material, thereby forming a seal face on the porous material. The thermal drive control means controls a pulse time width for thermally driving the individual heat generating elements of the thermal head under pulse width modulation control based on gradation image data having a gradation value, thereby forming a seal with a gradation on the porous material.
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International Classification(s)
- B41K:STAMPS; STAMPING OR NUMBERING APPARATUS OR DEVICES....
- B29C:SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTAN....
- B41C:PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF P....
- B41D:APPARATUS FOR THE MECHANICAL REPRODUCTION OF PRINT....
- B29K:INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, ....
- B29L:INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RE....
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