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PCE
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DIFF Subgroup
G08B 29/24

Self-calibration, e.g. compensating for environmental drift or ageing of components

Introduced: January 1990

Full Title

Full titles differ between systems:

IPC:

Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation > Prevention or correction of operating errors > Calibration, including self-calibrating arrangements > Self-calibration, e.g. compensating for environmental drift or ageing of components

CPC:

Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation > Prevention or correction of operating errors (G08B29/02, G08B29/12 take precedence) > Calibration, including self-calibrating arrangements > Self-calibration, e.g. compensating for environmental drift or ageing of components

IPC and CPC are identically structured here. All 2 subcodes exist in both systems.

IPC defines codes here since 1990.

Child Classifications

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  • G08B 29/26 by updating and storing reference thresholds since 1990 IPC+CPC Available in IPC and CPC
  • G08B 29/28 by changing the gain of an amplifier since 1990 IPC+CPC Available in IPC and CPC