최소 단어 이상 선택하여야 합니다.
최대 10 단어까지만 선택 가능합니다.
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
DataON 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Edison 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
|
출원번호 | US-0204286 (2014-03-11) |
등록번호 | US-9244100 (2016-01-26) |
발명자 / 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 | 피인용 횟수 : 1 인용 특허 : 631 |
A current clamp has a pair of jaws that are placed around an electrical conductor to measure a parameter (a measurable quantity or distinguishing or notable characteristic) corresponding to the electrical conductor.
1. An electrical system testing device, comprising: a clamp configured to open, receive a conductor, and close around the conductor;an actuator that, when actuated, opens the clamp;a testing device, operably coupled to the clamp, to measure a current flowing through the conductor for performing main
1. An electrical system testing device, comprising: a clamp configured to open, receive a conductor, and close around the conductor;an actuator that, when actuated, opens the clamp;a testing device, operably coupled to the clamp, to measure a current flowing through the conductor for performing maintenance on a battery; anda closure sensing component that senses a closure state of the clamp indicative of whether the clamp is closed and provides a closure signal indicative of the closure state of the clamp. 2. The electrical system testing device of claim 1 wherein the clamp comprises: a first jaw; anda second jaw, the first and second jaws being movable relative to one another to open and close the clamp. 3. The electrical system testing device of claim 2 wherein the first and second jaws each have a distal end, the distal ends of the jaws being in contact with one another when the clamp is closed and being separated from one another when the clamp is open. 4. The electrical system testing device of claim 3 wherein the closure sensing component is disposed to sense whether the distal ends of the jaws are in contact with one another. 5. The electrical system testing device of claim 4 wherein the closure sensing component includes a closure sensor disposed proximate the distal ends of the jaws. 6. The electrical system testing device of claim 3 wherein the jaws each have proximal ends and wherein the jaws are pivotable relative to one another at the proximal ends thereof. 7. The electrical system testing device of claim 6 wherein the closure sensor is disposed at the proximal ends of the jaws. 8. The electrical system testing device of claim 1 wherein the closure sensing component comprises an optical sensor. 9. The electrical system testing device of claim 1 wherein the closure sensing component comprises a resistive sensor. 10. The electrical system testing device of claim 1 wherein the closure sensing component comprises a micro switch. 11. The electrical system testing device of claim 1 wherein the closure sensing component comprises a reed switch. 12. The electrical system testing device of claim 1 wherein the closure sensing component comprises a Hall effect sensor. 13. The electrical system testing device of claim 1 wherein the closure sensing component provides a user-observable closure status indicator indicative of the clamp being open. 14. The electrical system testing device of claim 13 wherein the closure status indicator comprises an audio indicator. 15. The electrical system testing device of claim 13 wherein the status indicator comprises a visual indicator. 16. The electrical system testing device of claim 13 wherein the status indicator comprises a tactile indicator. 17. The clamp-on device of claim 1 wherein the testing device comprises a battery tester that measures current running through the conductor to test a battery. 18. A battery tester with a current clamp, comprising: a clamp that defines a clamp opening and that has an opening end that opens to receive a conductor coupled to a battery terminal and closes so the conductor runs through the clamp opening;a testing device that measures current running through the conductor; anda closure sensing component that senses whether the clamp is open and that provides a user-observable closure status indicator indicative of the clamp being open. 19. The battery tester of claim 18 wherein the clamp has a pair of jaws that have ends that are separated from one another to open the clamp and in contact with one another to close the clamp and wherein the closure sensing component comprises a sensor configured to sense whether the ends of the jaws are in contact with one another. 20. A current clamp, comprising: a clamp that defines a clamp opening and that has an opening end that opens to receive a conductor and closes so the conductor runs through the clamp opening, wherein the clamp has a pair of jaws that have ends that are separated from one another to open the clamp and in contact with one another to close the clamp;a testing device that measures current running through the conductor; anda closure sensing component that senses whether the clamp is open and that provides a user-observable closure status indicator indicative of the clamp being open, the closure sensing component comprising a sensor configured to sense whether the ends of the jaws are in contact with one another.
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