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Signal encryption type safety remote control lock for automobiles

The invention relates to a signal encryption type safety remote control lock for automobiles, which comprises a radio transmitting device, and also comprises an anti-jamming circuit, wherein the anti-jamming circuit is connected with the radio transmitting device, and the anti-jamming circuit comprises a signal amplifier, a rectifier, a filter and amplifier circuit, a signal encryption conversioncircuit, a filter amplifying circuit and a differential output circuit; the signal amplifier is connected with the rectifier, and the rectifier is connected with the filter and amplifier circuit; thefilter and amplifier circuit is connected with the signal encryption conversion circuit, and the signal encryption conversion circuit is connected with the filter amplifying circuit; and the filter amplifying circuit is connected with the differential output circuit. The invention encrypts and modulates signals, reduces the acquisition probability of an electronic jamming device for control information, and reduces signal shielding threat caused by intermediate frequency signals by improving transmission power; therefore, by improving the transmission power and carrying out the encryption conversion for transmission modes, the impact caused by the existing electronic jamming device can be effectively resisted.
Owner:HANGZHOU LIUYI TECH

Three-cavity balloon catheter

InactiveCN104368077AAvoid repeated withdrawals and puncturesGuaranteed accurate positioningBalloon catheterSurgeryPuncturingFalse lumen
The invention provides a three-cavity balloon catheter which is used for solving the problem that a balloon catheter in the prior art does not have the cutting function. The three-cavity balloon catheter comprises a catheter head, the near end of the catheter head is connected with a balloon and a three-cavity tube, the three-cavity tube is connected with a handle outlet, the far end of the balloon is conical, the boundaries of the two sides of the balloon are each provided with a developing material tag block, the near end of the balloon is connected with the outer layer of the three-cavity tube, cavity channels of the three-cavity tube include the first cavity channel through which a guide wire can penetrate, the second cavity channel where medicaments can be injected, and the third cavity channel with a blood vessel knife, a knife storage area is arranged at the far end of the third cavity channel, and the blood vessel knife is arranged in the knife storage area. The three-cavity balloon catheter can break through intima to enter a true lumen in the interventional operation process, endangium of a false lumen can be cut open or broken through according to requirements, a lesion section lumen is cut for passing, and therefore repeated withdrawing and repeated puncturing of the balloon catheter can be avoided.
Owner:曹广信
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