CONDUCTIVITY CHECKER
PROBLEM TO BE SOLVED: To obtain a conductivity checker capable of improving operability in checking conductivity and reducing the human errors, such as improper connection. SOLUTION: Conductivity checkers A and B have operating buttons 15a to 15f for a buzzer circuit 12 and a power supply circuit 13...
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| creator | FUJIMOTO YOSHIO |
| description | PROBLEM TO BE SOLVED: To obtain a conductivity checker capable of improving operability in checking conductivity and reducing the human errors, such as improper connection. SOLUTION: Conductivity checkers A and B have operating buttons 15a to 15f for a buzzer circuit 12 and a power supply circuit 13 and operation buttons 16a to 16f for a short-circuiting circuit in a case 1, respectively, and mounted on external terminal blocks 18 and 19. When operating the operation buttons 16a and 16b, and 15a and 15b, corresponding to terminal screws 25a and 25b of the external terminal block 18 and terminal screws 27a and 27b of the external terminal block 19, to which external cables 17a and 17b are connected, contacts provided below the buttons are brought into contact with contact points connecting with the terminal screws 25a, 25b, 27a and 27b and the circuits. A conductive circuit is constituted which is connected from the terminal screws 25a and 25b on the side of an external terminal short-circuited in contact with the external terminal block 18 via the external cables 17a and 17b with the terminal screws 27a and 27b on the side of an internal terminal of the external terminal block 19, the buzzer circuit 12 and the power supply circuit 13. COPYRIGHT: (C)2008,JPO&INPIT |
| format | Patent |
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SOLUTION: Conductivity checkers A and B have operating buttons 15a to 15f for a buzzer circuit 12 and a power supply circuit 13 and operation buttons 16a to 16f for a short-circuiting circuit in a case 1, respectively, and mounted on external terminal blocks 18 and 19. When operating the operation buttons 16a and 16b, and 15a and 15b, corresponding to terminal screws 25a and 25b of the external terminal block 18 and terminal screws 27a and 27b of the external terminal block 19, to which external cables 17a and 17b are connected, contacts provided below the buttons are brought into contact with contact points connecting with the terminal screws 25a, 25b, 27a and 27b and the circuits. A conductive circuit is constituted which is connected from the terminal screws 25a and 25b on the side of an external terminal short-circuited in contact with the external terminal block 18 via the external cables 17a and 17b with the terminal screws 27a and 27b on the side of an internal terminal of the external terminal block 19, the buzzer circuit 12 and the power supply circuit 13. 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SOLUTION: Conductivity checkers A and B have operating buttons 15a to 15f for a buzzer circuit 12 and a power supply circuit 13 and operation buttons 16a to 16f for a short-circuiting circuit in a case 1, respectively, and mounted on external terminal blocks 18 and 19. When operating the operation buttons 16a and 16b, and 15a and 15b, corresponding to terminal screws 25a and 25b of the external terminal block 18 and terminal screws 27a and 27b of the external terminal block 19, to which external cables 17a and 17b are connected, contacts provided below the buttons are brought into contact with contact points connecting with the terminal screws 25a, 25b, 27a and 27b and the circuits. A conductive circuit is constituted which is connected from the terminal screws 25a and 25b on the side of an external terminal short-circuited in contact with the external terminal block 18 via the external cables 17a and 17b with the terminal screws 27a and 27b on the side of an internal terminal of the external terminal block 19, the buzzer circuit 12 and the power supply circuit 13. 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SOLUTION: Conductivity checkers A and B have operating buttons 15a to 15f for a buzzer circuit 12 and a power supply circuit 13 and operation buttons 16a to 16f for a short-circuiting circuit in a case 1, respectively, and mounted on external terminal blocks 18 and 19. When operating the operation buttons 16a and 16b, and 15a and 15b, corresponding to terminal screws 25a and 25b of the external terminal block 18 and terminal screws 27a and 27b of the external terminal block 19, to which external cables 17a and 17b are connected, contacts provided below the buttons are brought into contact with contact points connecting with the terminal screws 25a, 25b, 27a and 27b and the circuits. A conductive circuit is constituted which is connected from the terminal screws 25a and 25b on the side of an external terminal short-circuited in contact with the external terminal block 18 via the external cables 17a and 17b with the terminal screws 27a and 27b on the side of an internal terminal of the external terminal block 19, the buzzer circuit 12 and the power supply circuit 13. COPYRIGHT: (C)2008,JPO&INPIT</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | BOARDS, SUBSTATIONS, OR SWITCHING ARRANGEMENTS FOR THE SUPPLYOR DISTRIBUTION OF ELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS TESTING |
| title | CONDUCTIVITY CHECKER |
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