DIFF Subgroup
H04N 1/04 Scanning arrangements (H04N1/387 takes precedence)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Scanning arrangements
CPC: Scanning arrangements (H04N1/387 takes precedence)
Full Title
Full titles differ between systems:
IPC:
Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof > Scanning arrangements
CPC:
Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof > Scanning arrangements (H04N1/387 takes precedence)
Of 12 combined children, 9 exist in both systems.
3 codes are CPC-only extensions.
2 shared codes have differing titles between IPC and CPC.
Child Classifications
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- H04N 1/047 Detection, control or error compensation of scanning velocity or position ( H04N1/17 take precedence) since 1995 +2 CPC IPC+CPC Available in IPC and CPC
- H04N 1/12 using the sheet-feed movement as the slow scanning component, ( using multi-element arrays H04N1/19) +4 CPC IPC+CPC Available in IPC and CPC
- H04N 1/17 the scanning speed being dependent on content of picture since 1974 IPC+CPC Available in IPC and CPC
- H04N 1/203 Simultaneous scanning of two or more separate pictures since 1995 +2 CPC IPC+CPC Available in IPC and CPC
- H04N 1/207 Simultaneous scanning of the original picture and the reproduced picture with a common scanning device since 1995 IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
Class H04,2013–2023, worldwide · Source: EPO PATSTAT
- QUALCOMM US 97,396
- HUAWEI TECHNOLOGIES COMPANY CN 96,502
- SAMSUNG ELECTRONICS COMPANY KR 86,981
- TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) SE 55,869
- HUAWEI TECHNOLOGIES COMPANY 55,349
- LG ELECTRONICS KR 53,649
- CANON 33,341
- SONY CORPORATION JP 32,761
- ZTE CORPORATION CN 32,274
- GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORPORATION 28,327
Top Applicants (CPC)
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