A key holder designed for use with manual key switches affixes a key onto a control box. The key holder includes a rotor housing, a key rotor, and a threaded opening. The key is mounted into the key rotor before being inserted into the control box. Further, the key rotor is rotatably mounted into the rotor housing via the threaded opening. The key rotor includes an interior face, an exterior face, a threaded body, and a key slot. The interior face and exterior face are positioned opposite each other about the threaded body. The key slot traverses through the threaded body. To connect the key rotor to the rotor housing, the threaded body is screwed into the threaded opening. This transforms the rotational motion into the linear motion of the key rotor, which along with the locking feature of the manual key switch, prevents the key from rotating.

A system, method, and device for operations of an electrically motorized vehicle. The vehicle can utilize an electrically motorized wheel to convert a non-motorized wheeled vehicle to an electrically motorized wheeled vehicle. One system includes a server in communication with the device of each of a plurality of electrically motorized wheels, the server operable to track a position of each of the electrically motorized wheels and communicate the position thereof to a transportation network.

A highly secure optical key access control system utilizing unique optical refraction properties of non-duplicatable transparent objects to secure premises or computer databases is disclosed. The said access control system includes an optical key containing an optical element with unique refraction properties and an access module comprising a light source, an image catching array and an electronic processor. The optical element of the optical key is inserted into the access module between the light source and the image catching array at the initial and then several following prearranged positions and a resulting set of unique refraction images appearing on the surface of the image catching array is processed with the electronic processor for comparison against preauthorized sets of refraction images to grant or deny access to the protected premises or protected computer databases.

Methods of protecting an electrically motorized human-powered vehicle are disclosed. A method may include transmitting, from a remote server, a security input relating to a user of the vehicle; receiving, at the electrically motorized human-powered vehicle the security input relating to the user; validating the security input; and enabling one of a first or second set of features based on the security input, wherein the second set of features is different from the first set of features and wherein one of set of features includes a service mode that enables maintenance access to the vehicle.

Highly secure optical key access control system utilizing unique optical refraction properties of non-duplicated transparent objects to secure premises or computer databases is disclosed.

Said access control system includes optical key containing an optical element with unique refraction properties and unique access module comprising source of light, image capture array and electronic processor. An optical element of optical key is inserted to access module between light source and image catching array at initial and then several following prearranged positions and resulting set of unique refraction image appeared at surface of image catching array processed with electronic processor for comparison against the existing database of preauthorized refraction images in database. If resulting set of unique refraction image match with some set of preauthorized refraction images the access to premises or computer databases is permitted.

A combination lock including: locking means configured to be moveable between a first position in which the lock is placed in a locking state and a second position in which the lock is placed in an unlocked state; a set of mechanical combination reels operable by a user of the lock to configure the reels in accordance with a selected input combination; and a controller having a network interface and being configured to receive via the network interface one or more unlock input combinations associated with the unlocked state of the lock, and wherein the controller is configured to operate the locking means to place the lock in the unlocked state when an input combination of the mechanical combination reels matches any one of the one or more unlock input combinations.

A system, method, and device for operations of an electrically motorized vehicle. The vehicle can utilize an electrically motorized wheel to convert a non-motorized wheeled vehicle to an electrically motorized wheeled vehicle. One system includes a server in communication with the device of each of a plurality of electrically motorized wheels, the server operable to track a position of each of the electrically motorized wheels and communicate the position thereof to a transportation network.

Methods of protecting an electrically motorized human-powered vehicle are disclosed. A method may include transmitting, from a remote server, a security input relating to a user of the vehicle; receiving, at the electrically motorized human-powered vehicle the security input relating to the user; validating the security input; and enabling one of a first or second set of features based on the security input, wherein the second set of features is different from the first set of features and wherein one of set of features includes a service mode that enables maintenance access to the vehicle.

A key, a lock core and a lock, relating to a key, a lock core and a lock are provided. The key includes: a column body, a first end of the column body being provided with a light emitting component; a first cathode component disposed on the column body and connected to one end of the light emitting component to be mated with a second cathode component in the lock core; a first piezoelectric electrode disposed on the column body and connected to the other end of the light emitting component to be pressed against a second piezoelectric electrode in the lock core. When the first cathode component is mated with the second cathode component in the lock core, and the first piezoelectric electrode is pressed against the second piezoelectric electrode in the lock core, a piezoelectric current is generated, to cause the light emitting component to emit light.

Disclosed is a wireless power supply smart door lock, comprising: a wireless power transmission control device mounted on a door frame; the wireless power transmission control device comprises a first main control unit and a wireless power transmission coil, a first wireless power conversion unit, a first communication unit and a door body state detecting unit electrically connected to the first main control unit; the wireless power receiving control device comprises a second main control unit and a wireless power receiving coil, a second wireless power conversion unit, an energy storage unit and a second communication unit electrically connected to the second main control unit; the first main control unit detects the acquired door opening or closing state information and the energy storage unit electric quantity information obtained by the communication interaction in real time according to the door body state detecting unit, and determines whether to trigger the wireless power transmission coil to transmit electric energy to the wireless power receiving coil to charge the energy storage unit. The energy storage unit in the lock body can be charged when the door body is closed, and the energy storage unit is always fully charged to ensure the normal operation of the lock body, which greatly improves the operation convenience of the smart lock.