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using interchangeable heads
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CPC
H04N1/02454
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Parent Industries
H
ELECTRICITY
H04
Electric communication
H04N
PICTORIAL COMMUNICATION
H04N1/00
Scanning, transmission or reproduction of documents or the like
Current Industry
H04N1/02454
using interchangeable heads
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Patents Grants
last 30 patents
Information
Patent Grant
Operating method and changer for optical module/printer module system
Patent number
7,505,181
Issue date
Mar 17, 2009
Wen-Yuan Chang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
[Operating method and changer for optical module/printer module sys...
Patent number
7,289,250
Issue date
Oct 30, 2007
Transpacific IP, Ltd
Wen-Yuan Chang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for converting an ink-jet printer into a scann...
Patent number
5,767,988
Issue date
Jun 16, 1998
Hewlett-Packard Company
Michael D. Dobbs
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Document reading apparatus utilizing printer mechanism with a color...
Patent number
4,788,587
Issue date
Nov 29, 1988
Casio Computer Co., Ltd.
Hiroyasu Bitoh
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
OPERATING METHOD AND CHANGER FOR OPTICAL MODULE/PRINTER MODULE SYSTEM
Publication number
20080130020
Publication date
Jun 5, 2008
Transpacific IP, Ltd.
Wen-Yuan Chang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
[OPERATING METHOD AND CHANGER FOR OPTICAL MODULE/PRINTER MODULE SYS...
Publication number
20040105110
Publication date
Jun 3, 2004
WEN-YUAN CHANG
H04 - ELECTRIC COMMUNICATION TECHNIQUE