Patent ID: 11948708
Assignee: ABLIC INC.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  G | IPC H

Claim 0:
1. A resistance device which is to be connected between a first terminal and a second terminal, and in which a resistance value is variable, the resistance device comprising:
a reference resistor;
a series variable resistor circuitry which is connected in series to the reference resistor, and which includes at least one parallel variable resistor circuit connected in series to each other, the at least one parallel variable resistor circuit each including a resistor and a trimming element connected in parallel to the resistor; and
a parallel variable resistor circuitry which is connected in parallel to the reference resistor, and which includes at least one series variable resistor circuit connected in parallel to each other, the at least one series variable resistor circuit each including a resistor and a trimming element connected in series to the resistor.