51results about How to "Anti-lost" patented technology

The invention relates to a prompting method and apparatus, and a medium. The method comprises the steps of: determining that a wearable device is not worn by a user; and in the case that an unworn reminding condition is satisfied, issuing unworn reminding information to the user. By adopting the method, when it is detected that the user takes off the wearable device, and when it is judged that the reminding condition is satisfied, the user is reminded in various forms to prevent the wearable device from being lost.

The invention discloses an automatic acupuncture pen which comprises a pen holder, a pen hanger, a positioning head, a through hole, a gear-type rotating acupuncture box, an acupuncture depth controlsystem, a needle inserting and withdrawing system and a magnetic source. The pen hanger and the positioning head are connected at two ends of the pen holder in a threaded manner, the through hole is formed in the bottom end of the pen hanger, the gear-type rotating acupuncture box and the acupuncture depth control system are mounted inside the pen holder and sequentially connected with the positioning head, the needle inserting and withdrawing system is inserted into the gear-type rotating acupuncture box, the gear-type rotating acupuncture box comprises an acupuncture box, a gear-type rotating disk, a gear and an acupuncture box shell, the gear-type rotating disk and the gear are inserted into the acupuncture box, and the acupuncture box shell externally sleeves the acupuncture box. The acupuncture depth control system comprises a first push rod, a second push rod and a connecting rod, wherein the second push rod penetrates the through hole and is connected with the pen hanger, and the connecting rod is positioned between the first push rod and the second push rod. The needle inserting and withdrawing system comprises a transmission rod, a disk and a spring, wherein the disk is fixedly welded in the middle of the transmission rod, and the spring is wound on the transmission rod. The magnetic source is mounted inside the gear-type rotating disk. The automatic acupuncture pen issimple in structure, production cost is reduced, needle inserting depth can be adjusted, and operation and use of doctors are facilitated.

The invention provides a method and system for exchanging digital currency into physical cash to solve various deficiencies in the prior art. The method of the present invention includes: the user terminal equipment selects equivalent digital currency in the digital currency wallet according to the cash amount input by the external operation; the user terminal equipment sends the digital currency to the central bank digital currency system through the commercial bank digital currency system; the central bank The digital currency system generates a one-time withdrawal code and then sends it to the user's terminal device for presentation to the user, and changes the ownership information of the digital currency from the user to the central bank; the commercial bank digital currency system sends the one-time withdrawal code provided by the user To the central bank's digital currency system; the central bank's digital currency system confirms that the one-time withdrawal code is valid, then increases the cash amount in the commercial bank account, and feeds back to the commercial bank's digital currency system; the commercial bank's digital currency system issues a contribution instruction based on the feedback.

The invention is suitable for the field of stationery and provides a pen cap. The pen cap comprises a cylindrical body and at least one clamp component, wherein the cylindrical body accommodates a pen point; and the at least one clamp component is fixed on the cylindrical body. In the pen cap, the at least one clamp component is fixed on the cylindrical body of the pen cap, so that the pen cap can be clamped on parts such as clothes, hairs and the like to prevent from being lost when a pen is used. The pen cap can be used as a hair pin when the hairs are out of order, and furthermore, ornamentals can be arranged on the pen cap so as to make the overall appearance of the pen cap more attractive.