Apparatus and method for measuring electrical parameters of circuit
First Claim
1. An apparatus for measuring an electrical parameter of a circuit, wherein the circuit includes a plurality of appliances and a plurality of first connection terminals to be respectively electrically connected to the plurality of appliances, the plurality of appliances include an appliance having the electrical parameter, and the appliance is electrically connected to a corresponding one of the plurality of first connection terminals when the electrical parameter is measured, the apparatus comprising:
- a first measuring unit including a first connection pin, and measuring the electrical parameter through a first conduction in a first period;
a second measuring unit including a second connection pin, and measuring the electrical parameter through a second conduction in a second period different from the first period;
a plurality of second connection terminals respectively electrically connected to the plurality of first connection terminals;
a plurality of third connection terminals respectively electrically connected to the plurality of first connection terminals;
a plurality of first selection switches respectively having a plurality of first switch terminals, and a plurality of second switch terminals respectively corresponding to the plurality of first switch terminals, and causing the first conduction between the first connection pin and the respective corresponding first connection terminal in the first period, wherein the plurality of first switch terminals are commonly electrically connected to the first connection pin, and the plurality of second switch terminals are respectively electrically connected to the plurality of second connection terminals; and
a plurality of second selection switches respectively having a plurality of third switch terminals, and a plurality of fourth switch terminals respectively corresponding to the plurality of third switch terminals, and causing the second conduction between the second connection pin and the respective corresponding first connection terminal in the second period, wherein the plurality of third switch terminals are commonly electrically connected to the second connection pin, and the plurality of fourth switch terminals are respectively electrically connected to the plurality of third connection terminals.
1 Assignment
0 Petitions
Accused Products
Abstract
An apparatus for measuring an electrical parameter of a circuit includes a measuring unit, a plurality of connection terminals and a selection switch. The measuring unit measures the electrical parameter. The selection switch selectively causes a conduction between the selection switch and at least one of the plurality of connection terminals.
7 Citations
9 Claims
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1. An apparatus for measuring an electrical parameter of a circuit, wherein the circuit includes a plurality of appliances and a plurality of first connection terminals to be respectively electrically connected to the plurality of appliances, the plurality of appliances include an appliance having the electrical parameter, and the appliance is electrically connected to a corresponding one of the plurality of first connection terminals when the electrical parameter is measured, the apparatus comprising:
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a first measuring unit including a first connection pin, and measuring the electrical parameter through a first conduction in a first period; a second measuring unit including a second connection pin, and measuring the electrical parameter through a second conduction in a second period different from the first period; a plurality of second connection terminals respectively electrically connected to the plurality of first connection terminals; a plurality of third connection terminals respectively electrically connected to the plurality of first connection terminals; a plurality of first selection switches respectively having a plurality of first switch terminals, and a plurality of second switch terminals respectively corresponding to the plurality of first switch terminals, and causing the first conduction between the first connection pin and the respective corresponding first connection terminal in the first period, wherein the plurality of first switch terminals are commonly electrically connected to the first connection pin, and the plurality of second switch terminals are respectively electrically connected to the plurality of second connection terminals; and a plurality of second selection switches respectively having a plurality of third switch terminals, and a plurality of fourth switch terminals respectively corresponding to the plurality of third switch terminals, and causing the second conduction between the second connection pin and the respective corresponding first connection terminal in the second period, wherein the plurality of third switch terminals are commonly electrically connected to the second connection pin, and the plurality of fourth switch terminals are respectively electrically connected to the plurality of third connection terminals. - View Dependent Claims (2, 3)
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4. An apparatus for measuring a first electrical parameter of a circuit, wherein the circuit includes a plurality of appliances and a plurality of first connection terminals to be respectively electrically connected to the plurality of appliances, the plurality of appliances include a first appliance having the first electrical parameter, and the first appliance is electrically connected to a first corresponding one of the plurality of first connection terminals when the first electrical parameter is measured, the apparatus comprising:
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a first measuring unit including a first connection pin, and measuring the first electrical parameter through a first conduction in a first period; a second measuring unit including a second connection pin, and measuring the first electrical parameter through a second conduction in a second period different from the first period; a plurality of second connection terminals respectively electrically connected to the plurality of first connection terminals; a plurality of third connection terminals respectively electrically connected to the plurality of first connection terminals; a first matrix switch unit having a plurality of first switch terminals and a plurality of second switch terminals respectively corresponding to the plurality of first switch terminals, and causing the first conduction between the first connection pin and the respective first corresponding first connection terminal in the first period, wherein the plurality of first switch terminals are commonly electrically connected to the first connection pin, and the plurality of second switch terminals are respectively electrically connected to the plurality of second connection terminals; and a second matrix switch unit having a plurality of third switch terminals and a plurality of fourth switch terminals respectively corresponding to the plurality of third switch terminals, and causing the second conduction between the second connection pin and the respective first corresponding first connection terminal in the second period, wherein the plurality of third switch terminals are commonly electrically connected to the second connection pin, and the plurality of fourth switch terminals are respectively electrically connected to the plurality of third connection terminals. - View Dependent Claims (5, 6, 7, 8, 9)
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Specification