An electronic device includes a casing, a main circuit board, a detachable component and a flexible circuit board. The main circuit board is disposed in the casing. The main circuit board includes a processor and a memory, wherein the memory stores data. The detachable component is disposed in the casing. The flexible circuit board includes a first end portion, a second end portion, a middle portion and a first detection loop, wherein the first detection loop is disposed at the first end portion and the middle portion. The first end portion is electrically connected to the main circuit board and the second end portion is fixed on the detachable component. When the detachable component is detached from the casing, the middle portion breaks, such that the first detection loop is cut off. When the first detection loop is cut off, the processor erases the data stored in the memory.

A terminal device includes a first screen assembly configured to display an image and including a first opening; an image collecting assembly under the first screen assembly, configured to collect an image based on external light when the opening is not shielded; a second screen assembly configured to display an image and shield the opening, and movably disposed between the first screen assembly and the image collecting assembly; a driving assembly configured to drive the second screen assembly to move between first and second positions; at the first position, the opening is shielded and the second screen assembly is in a display state displaying an image not displayed at the opening in the first screen assembly, forming a complete image with the image displayed by the first screen assembly; at the second position, the opening is not shielded, thereby the image collecting assembly can collect the image.

A terminal device includes a first screen assembly configured to display an image and including a first opening; an image collecting assembly under the first screen assembly, configured to collect an image based on external light when the opening is not shielded; a second screen assembly configured to display an image and shield the opening, and movably disposed between the first screen assembly and the image collecting assembly; a driving assembly configured to drive the second screen assembly to move between first and second positions; at the first position, the opening is shielded and the second screen assembly is in a display state displaying an image not displayed at the opening in the first screen assembly, forming a complete image with the image displayed by the first screen assembly; at the second position, the opening is not shielded, thereby the image collecting assembly can collect the image.

An exemplary process generally involves forming a cover for a door hardware apparatus comprising a body. Forming the cover generally includes forming a substrate of a non-metallic material such that at least a portion of the substrate conforms to at least a portion of the body, and forming an outer layer on at least a portion of the substrate, the outer layer including a metallic material.

Aluminum-air battery units and stacks are provided with frames configured to mechanically support the anode of each unit, within a housing configured to support the frame and the air cathode(s) mechanically, sealably hold the electrolyte within the housing and in fluid communication with openings in the housing—forming one or two sided electrochemical cell in each unit. The frame comprises a protective strap configured to protect edges of the rectangular anode against corrosion by the electrolyte during operation, and also an external trapezoid shape that is configured to press the protective strap against the edges of the rectangular anode upon insertion of the frame with the anode into the housing. Various embodiments comprise, spacers between the anode and cathodes and grids supporting airways to the cathodes. In disclosed configurations, anode may be replaced after electrolyte evacuation while maintaining the stack sealed and quickly ready for renewed operation.

Aluminum-air battery units and stacks are provided with frames configured to mechanically support the anode of each unit, within a housing configured to support the frame and the air cathode(s) mechanically, sealably hold the electrolyte within the housing and in fluid communication with openings in the housing—forming one or two sided electrochemical cell in each unit. The frame comprises a protective strap configured to protect edges of the rectangular anode against corrosion by the electrolyte during operation, and also an external trapezoid shape that is configured to press the protective strap against the edges of the rectangular anode upon insertion of the frame with the anode into the housing. Various embodiments comprise, spacers between the anode and cathodes and grids supporting airways to the cathodes. In disclosed configurations, anode may be replaced after electrolyte evacuation while maintaining the stack sealed and quickly ready for renewed operation.

A detox element or sensor cover is placed at a first location over a sensor such as a camera used to activate a digital device. The sensor cover can leave the digital device in sleep mode until the detox element/sensor cover is removed. The detox element, when not in use for detoxing, is moved to a ready position. The ready position can be, for example, one of the corners of the digital device, where it is mostly out of the way of a touch screen display. The sensor cover is sufficiently small that in one embodiment it is mostly on a bezel of a phone, around a display, with only a small portion impinging on the display.

Mobile device cases are provided which, in a first embodiment, selectively limit a user's ability to control the user's own mobile electronic device. The case includes front and rear portions joined together and defining therein an opening for receiving a mobile electronic device, such as a mobile phone. A locking mechanism is provided for selectively securing the opening in a first locked position to prevent operational access to the mobile electronic device by the user until a predetermined condition is met. The case includes an indicia of time visible to the user during the period of time of prevented operational access. In a further embodiment, a case is provided with first and second polymeric shells each having an interior and an exterior surface thereon and connected together by at least one hinge portion. The first and second shell portions form a cavity of sufficient size to cover a mobile electronic device sufficiently to prevent access by its user. Tamper resistant and ultrasonic sensor defeating mobile device case embodiments are also contemplated by this invention.

Mobile device cases are provided which, in a first embodiment, selectively limit a user's ability to control the user's own mobile electronic device. The case includes front and rear portions joined together and defining therein an opening for receiving a mobile electronic device, such as a mobile phone. A locking mechanism is provided for selectively securing the opening in a first locked position to prevent operational access to the mobile electronic device by the user until a predetermined condition is met. The case includes an indicia of time visible to the user during the period of time of prevented operational access. In a further embodiment, a case is provided with first and second polymeric shells each having an interior and an exterior surface thereon and connected together by at least one hinge portion. The first and second shell portions form a cavity of sufficient size to cover a mobile electronic device sufficiently to prevent access by its user. Tamper resistant and ultrasonic sensor defeating mobile device case embodiments are also contemplated by this invention.

An electronic device includes a casing, a main circuit board, a detachable component and a flexible circuit board. The main circuit board is disposed in the casing. The main circuit board includes a processor and a memory, wherein the memory stores data. The detachable component is disposed in the casing. The flexible circuit board includes a first end portion, a second end portion, a middle portion and a first detection loop, wherein the first detection loop is disposed at the first end portion and the middle portion. The first end portion is electrically connected to the main circuit board and the second end portion is fixed on the detachable component. When the detachable component is detached from the casing, the middle portion breaks, such that the first detection loop is cut off. When the first detection loop is cut off, the processor erases the data stored in the memory.