# US 11,029,339 B2 · Current measuring apparatus

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- Number: US 11,029,339 B2
- Document ID: US11029339B2
- Status: Granted
- Kind: B2
- Application number: 16/635,256
- Filed: 2018-07-10
- Published: 2020-07-23
- Granted: 2021-06-08
- Earliest claimed: 2017-08-10
- Assignees: Koa Corporation
- Applicants: Koa Corporation
- Inventors: Takanori Kikuchi; Keishi Nakamura; Susumu Toyoda
- Web page: https://patentgrep.com/patent/US11029339B2

## CPC

- G01R 1/203: {Resistors used for electric measuring, e.g. decade resistors standards, resistors for comparators, series resistors, shunts (resistors in general H01C; microwave or radiowave terminations H01P1/26; coupling devices H01R)}
- G01R 19/0023: {Measuring currents or voltages from sources with high internal resistance by means of measuring circuits with high input impedance, e.g. OP-amplifiers (electrostatic instruments G01R5/28; measuring electrostatic potential G01R15/165; measuring electrostatic fields G01R29/12; amplifiers per se H03F)}
- G01R 19/0092: {Measuring current only}
- G01R: MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES (indicating correct tuning of resonant circuits H03J3/12)

## Abstract

Provided is a current measuring apparatus including a current measuring resistor that includes a resistive element and first and second electrodes fixed to the resistive element, the current measuring resistor being adapted to measure a current, and an electronic circuit component including a plurality of terminals. One of the first electrode or the second electrode is used to short at least two of the terminals of the electronic circuit component.

## Claims

### Claim 1

A current measuring apparatus comprising:
a current measuring resistor including a resistive element and first and second electrodes fixed to the resistive element, the current measuring resistor being adapted to measure a current; and
an electronic circuit component including a plurality of terminals,
wherein:
one of the first electrode or the second electrode is used to short at least two of the terminals of the electronic circuit component.

### Claim 2 (depends on 1)

The current measuring apparatus according to claim 1, wherein the electronic circuit component is packaged.

### Claim 3 (depends on 1)

The current measuring apparatus according to claim 1, wherein the plurality of terminals includes a terminal coupled to a semiconductor device packaged in the electronic circuit component.

### Claim 4 (depends on 1)

The current measuring apparatus according to claim 1, wherein at least one of the first electrode or the second electrode of the current measuring resistor includes two or more through-holes.

### Claim 5 (depends on 1)

The current measuring apparatus according to claim 1, wherein at least one of the first electrode or the second electrode of the current measuring resistor includes an elongated through-hole.

### Claim 6 (depends on 1)

The current measuring apparatus according to claim 1, wherein
a plurality of electronic components is disposed, and
at least one of the first electrode or the second electrode is used to short the two terminals, thereby forming a parallel circuit or a series circuit of the electronic components.