by means not exclusively optical-mechanical

Introduced: September 1968

Last revised: January 2006

Full Title

Scanning details of television systems; Combination thereof with generation of supply voltages > by means not exclusively optical-mechanical

Classification Context

Section:: ELECTRICITY
Class:: ELECTRIC COMMUNICATION TECHNIQUE
Subclass:: PICTORIAL COMMUNICATION, e.g. TELEVISION

Filing statistics

IPC H04N 3/1 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

5 direct subcodes

Child Classifications

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H04N 3/12 by switched stationary formation of lamps, photocells, or light relays
H04N 3/14 by means of electrically scanned solid-state devices
H04N 3/16 by deflecting electron beam in cathode-ray tube
H04N 3/28 producing multiple scanning, i.e. using more than one spot at the same time
H04N 3/3 otherwise than with constant velocity or otherwise than in pattern formed by unidirectional, straight, substantially horizontal or vertical lines

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