for recording the signal in a plurality of channels, the bandwidth of each channel being less than the bandwidth of the signal (H04N9/804, H04N9/81, H04N9/82 take precedence)

Full Title

Details of colour television systems > Processing of colour television signals in connection with recording > for recording the signal in a plurality of channels, the bandwidth of each channel being less than the bandwidth of the signal (H04N9/804, H04N9/81, H04N9/82 take precedence)

2 direct subcodes

Child Classifications

Navigate with arrow keys, Enter to open

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