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US 9,255,428 B1Granted
Method for inspecting lock set
AssigneeTaiwan Fu Hsing Industrial Co., Ltd.
InventorsJiun-Nan Shiu, Shih-Min Lu
Life of this patent
Estimating the term…
Abstract
A method for inspecting a lock set is to utilize a reception unit for receiving the signals from a lock set mounted at a door to inspect whether the door is closed and whether the lock set is locked or being broken.
Claims10
A method for inspecting a lock set includes:
- providing a lock set mounted at a door, wherein the lock set comprises a driving member, a latch, a first electronic switch and a second electronic switch, the first electronic switch is used for sensing whether the driving member operates or not and transmitting a first signal or a second signal, the second electronic switch is used for sensing whether the latch operates or not and transmitting a third signal or a fourth signal;
- and
- providing a reception unit for receiving the signals from the first electronic switch and the second electronic switch, wherein the reception unit determines that the latch is broken and the door is opened when the signals received by the reception unit are changed from the second signal and the fourth signal to the first signal and the fourth signal.
Dependencies are inferred from the claim text.