H04N 1/031 the photodetectors having a one-to-one and optically positive correspondence with the scanned picture elements, e.g. linear contact sensors
Introduced: January 1995
Last revised: January 2006
Full Title
Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof > Details of scanning heads > for picture-information pick-up > with photodetectors arranged in a substantially linear array > the photodetectors having a one-to-one and optically positive correspondence with the scanned picture elements, e.g. linear contact sensors
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC COMMUNICATION TECHNIQUE
- Subclass:
- PICTORIAL COMMUNICATION, e.g. TELEVISION
Filing statistics
IPC H04N 1/031 belongs to the parent subclass H04N, which recorded 1,015,361 patent applications worldwide between 2013 and 2023. Annual filings grew from 76,403 in 2013 to 85,701 in 2023 (+12%), peaking at 118,798 applications in 2020. The most active applicants in class H04 are QUALCOMM (97,396 applications), HUAWEI TECHNOLOGIES COMPANY (96,502 applications) and SAMSUNG ELECTRONICS COMPANY (86,981 applications).
Source: EPO PATSTAT, worldwide filings
Top Applicants
Top 10 applicants by patent filingsfor 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