CPC Subgroup
H04N 1/04 Scanning arrangements (H04N1/387 takes precedence)
Full Title
Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof > Scanning arrangements (H04N1/387 takes precedence)
12 direct subcodes
Child Classifications
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- H04N 1/047 Detection, control or error compensation of scanning velocity or position ( H04N1/17 take precedence)
- H04N 1/06 using cylindrical picture-bearing surfaces
- H04N 1/10 using flat picture-bearing surfaces
- H04N 1/113 using oscillating or rotating mirrors
- H04N 1/12 using the sheet-feed movement as the slow scanning component, ( using multi-element arrays H04N1/19)
- H04N 1/17 the scanning speed being dependent on content of picture
- H04N 1/19 using multi-element arrays
- H04N 1/203 Simultaneous scanning of two or more separate pictures
- H04N 1/207 Simultaneous scanning of the original picture and the reproduced picture with a common scanning device
Top Applicants
Top 10 applicants by patent filingsfor class H04, 2013–2023, worldwide · Source: EPO PATSTAT
- HUAWEI TECHNOLOGIES COMPANY CN 101,476
- QUALCOMM US 101,139
- SAMSUNG ELECTRONICS COMPANY KR 96,655
- TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) SE 57,744
- LG ELECTRONICS KR 55,253
- HUAWEI TECHNOLOGIES COMPANY 54,181
- SONY CORPORATION JP 35,309
- ZTE CORPORATION CN 32,950
- INTEL CORPORATION US 27,533
- GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORPORATION CN 27,498