DIFF Subgroup
G06G 7/16 for multiplication or division
Introduced: September 1968
Full Title
Devices in which the computing operation is performed by varying electric or magnetic quantities > Arrangements for performing computing operations, e.g. amplifiers specially adapted therefor > for multiplication or division
IPC and CPC are identically structured here. All 4 subcodes exist in both systems.
3 shared codes have differing titles between IPC and CPC.
IPC defines codes here since 1974.
Child Classifications
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- G06G 7/161 with pulse modulation, e.g. modulation of amplitude, width, frequency, phase or form since 1974 IPC+CPC Available in IPC and CPC
- G06G 7/162 using galvano- magnetic effects, e.g. Hall effect; using similar magnetic effects since 1974 IPC+CPC Available in IPC and CPC
- G06G 7/163 using a variable impedance controlled by one of the input signals, variable amplification or transfer function since 1974 IPC+CPC Available in IPC and CPC
- G06G 7/164 using means for evaluating powers, e.g. quarter square multiplier (for evaluating powers G06G7/20) since 1974 IPC+CPC Available in IPC and CPC