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IPC Subgroup
G06F 13/368

with decentralised access control

Introduced: January 1990

Last revised: January 2006

Full Title

Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units > Handling requests for interconnection or transfer > for access to common bus or bus system > with decentralised access control

Classification Context

Section:
PHYSICS
Class:
COMPUTING OR CALCULATING; COUNTING
Subclass:
ELECTRIC DIGITAL DATA PROCESSING

5 direct subcodes

Child Classifications

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  • G06F 13/37 using a physical-position-dependent priority, e.g. daisy chain, round robin or token passing
  • G06F 13/372 using a time-dependent priority, e.g. individually loaded time counters or time slot
  • G06F 13/374 using a self-select method with individual priority code comparator
  • G06F 13/376 using a contention resolving method, e.g. collision detection, collision avoidance
  • G06F 13/378 using a parallel poll method

Top Applicants

Top 10 applicants by patent filingsfor class G06, 2013–2023, worldwide · Source: EPO PATSTAT

  1. SAMSUNG ELECTRONICS COMPANY KR 66,669
  2. IBM (INTERNATIONAL BUSINESS MACHINES CORPORATION) US 62,313
  3. MICROSOFT TECHNOLOGY LICENSING US 41,918
  4. GOOGLE US 32,969
  5. SGCC(STATE GRID CORPORATION OF CHINA) 30,822
  6. INTEL CORPORATION US 30,010
  7. TENCENT TECHNOLOGY (SHENZHEN) COMPANY 28,235
  8. HUAWEI TECHNOLOGIES COMPANY CN 26,079
  9. APPLE US 21,891
  10. HUAWEI TECHNOLOGIES COMPANY 20,505