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IPC Subgroup
H04N 5/32

Transforming X-rays

Introduced: September 1968

Last revised: January 2023

Full Title

Details of television systems > Transforming light or analogous information into electric information > Transforming X-rays

Classification Context

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

Additional Content

Limiting references

Cameras or camera modules for generating image signals from X-rays Circuitry of solid-state image sensors [SSIS] for transforming X-rays into image signals

Application references

Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays, by transmitting the radiation through the material and forming a picture Measuring length, thickness or similar linear dimensions, angles, areas, or irregularities of surfaces or contours, using X-rays

1 direct subcode

Child Classifications

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Top Applicants

Top 10 applicants by patent filingsfor class H04, 2013–2023, worldwide · Source: EPO PATSTAT

  1. QUALCOMM US 97,396
  2. HUAWEI TECHNOLOGIES COMPANY CN 96,502
  3. SAMSUNG ELECTRONICS COMPANY KR 86,981
  4. TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) SE 55,869
  5. HUAWEI TECHNOLOGIES COMPANY 55,349
  6. LG ELECTRONICS KR 53,649
  7. CANON 33,341
  8. SONY CORPORATION JP 32,761
  9. ZTE CORPORATION CN 32,274
  10. GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORPORATION 28,327