H04N 25/772 comprising A/D, V/T, V/F, I/T or I/F converters
Introduced: January 2023
Full Title
Circuitry of solid-state image sensors [SSIS]; Control thereof > SSIS architectures; Circuits associated therewith > Addressed sensors, e.g. MOS or CMOS sensors > Pixel circuitry, e.g. memories, A/D converters, pixel amplifiers, shared circuits or shared components > comprising A/D, V/T, V/F, I/T or I/F converters
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC COMMUNICATION TECHNIQUE
- Subclass:
- PICTORIAL COMMUNICATION, e.g. TELEVISION
Additional Content
A/D converter A/D Circuit for analogue-to-digital conversion (ADC) of a signal V/T converter V/T Circuit for converting a pixel output voltage to a time signal V/F converter V/F Circuit for converting a pixel output voltage to a frequency signal I/T converter I/T Circuit for converting a pixel output current to a time signal I/F converter I/F Circuit for converting a pixel output current to a frequency signal
1 direct subcode
Child Classifications
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- H04N 25/773 comprising photon counting circuits, e.g. single photon detection [SPD] or single photon avalanche diodes [SPAD]
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