G01K 7/18 the element being a linear resistance, e.g. platinum resistance thermometer (G01K7/26 takes precedence)
Introduced: September 1968
Title
Titles differ between systems:
IPC: the element being a linear resistance, e.g. platinum resistance thermometer
CPC: the element being a linear resistance, e.g. platinum resistance thermometer (G01K7/26 takes precedence)
Full Title
Full titles differ between systems:
Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat > using resistive elements > the element being a linear resistance, e.g. platinum resistance thermometer
Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat (giving results other than momentary value of temperature G01K3/00) > using resistive elements > the element being a linear resistance, e.g. platinum resistance thermometer (G01K7/26 takes precedence)
CPC subdivides this area 3x more granularly than IPC with 2 additional codes.
2 codes are CPC-only extensions.
Child Classifications
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- G01K 7/20 in a specially-adapted circuit, e.g. bridge circuit +2 CPC IPC+CPC Available in IPC and CPC