Details of television systems

Introduced: September 1968

Last revised: January 2011

Classification Context

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

Filing statistics

IPC H04N 5/00 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

Additional Content

Glossary

KTC Thermal noise on capacitor

Limiting references

Scanning details of television systems; Combination thereof with generation of supply voltages

Application references

Details of colour television systems Details of stereoscopic television systems Servers specifically adapted for the selective distribution of content Client devices specifically adapted for the reception of, or interaction with, content in selective content distribution

12 direct subcodes

Child Classifications

Navigate with arrow keys, Enter to open

H04N 5/04 Synchronising
H04N 5/14 Picture signal circuitry for video frequency region
H04N 5/222 Studio circuitry; Studio devices; Studio equipment
H04N 5/3 Transforming light or analogous information into electric information
H04N 5/38 Transmitter circuitry
H04N 5/44 Receiver circuitry
H04N 5/63 Generation or supply of power specially adapted for television receivers
H04N 5/64 Constructional details of receivers, e.g. cabinets or dust covers
H04N 5/66 Transforming electric information into light information
H04N 5/72 Modifying the appearance of television pictures by optical filters or diffusing screens
H04N 5/74 Projection arrangements for image reproduction, e.g. using eidophor
H04N 5/76 Television signal recording

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