using an optical, electro-optical or acousto-optical element

Full Title

Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof > Scanning arrangements > Detection, control or error compensation of scanning velocity or position > Control or error compensation of scanning position or velocity > by controlling the position of the scanned image area (H04N2201/04755, H04N2201/04756 take precedence) > using an optical, electro-optical or acousto-optical element

3 direct subcodes

Child Classifications

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H04N 2201/04762 using a reflecting element (H04N2201/04765 takes precedence)
H04N 2201/04763 using a refracting element
H04N 2201/04765 using a solid-state deflector, e.g. an acousto-optic deflector

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