Abstract: A breath detection method includes the steps of: receiving a PPG signal; recognizing a low frequency carrier of the PPG signal; recognizing a rising part of the low frequency carrier and a falling part of the low frequency carrier, wherein a frequency of the low frequency carrier represents a breathing cycle period of a user, the rising part represents one of a breathing out state and a breathing in state of the user, and the falling part represents the other one of the breathing out state and the breathing in state; and real-timely outputting at least one of the breathing cycle period, the breathing out state or the breathing in state.

Abstract: A gesture control method is provided. The method includes: obtaining gesture images with depth information; creating a coordinate system; determining coordinates of a center of each camera, a start position and an end position of the gesture; calculating directions and values of a first angle defined from an axle through the end position to a line connecting between the start position and the end position and at least two second angles each defined a vertical axle through a center of a camera to a line connecting the center of the camera and the start position, each second angle corresponding to a camera of an electronic device; and determining an electronic device to be a controlled device, wherein the electronic device corresponds to a second angle in a same direction with the first angle having a minimum absolute difference with the first angle.

Abstract: A remote encryption method is executed by at least one processor of a cryptographic center. The cryptographic center connects to a sending end and to at least one receiving end. Data and a list listing at least one receiving end to which the data is to be sent are received from the sending end. A public key corresponding to the at least one receiving end listed in the received list is obtained. The received data is asymmetrically encrypted using the obtained public key corresponding to the at least one receiving end. The encrypted data is sent to the corresponding receiving end.

Abstract: A control system including a detection device and a control host is provided. The detection device is configured to detect a biometric characteristic to accordingly identify a user ID, and output an ID signal according to the user ID. The control host is configured to receive the ID signal to accordingly perform an individualized control associated with the user ID.

Abstract: Photographic equipment, which is capable of electrically connecting to an electronic device, including: a rod body; a fixing device used to fix the electronic device, which is attached to a first end of the rod body; a communication interface used to electrically connect to the electronic device to enable communication between the photographic equipment and the electronic device; a screen located on the rod body, and used for previewing an image taken by a camera of the electronic device; and a control unit attached to a second end of the rod body, which is operable to control the electronic device and the photographic equipment.

Abstract: A key generation device generates an initial secret key, and a time update key at regular intervals, and transmits the initial secret key and the time update key to a terminal device. The terminal device utilizes the initial secret key, the time update key, and a private key generated by the terminal device itself to form a key group. The key group and a public key generated by the terminal device are used as a key pair to encrypt and decrypt data, give a digital signature, and verify digital signatures. The time update key includes a time period, and after the time period expires the time update key cannot be used by the terminal device to generate the key group. A data signature and encryption method is also provided.

Abstract: A nanostructured chip includes a substrate and a nanostructured layer, wherein the substrate has a first surface and a second surface on which the nanostructured layer is formed. A method of producing the nanostructured chip includes the step of forming the nanostructured layer on the second surface of the substrate. Whereby, the nanostructured layer effectively disperses a stress to increase the flexural strength of the nanostructured chip. Therefore, during the subsequent procedures to form an epitaxial layer on the first surface, the nanostructured layer is helpful to prevent the epitaxial layer from generating cracks, and prevent the substrate from bowings, or fragments.

Abstract: A physiological detection system including an array sensor and a processing unit is provided. The array sensor is configured to output array PPG signals. The processing unit is configured to construct a 3D energy distribution according to the array PPG signals to accordingly identify different microcirculation states.

Abstract: A method for controlling illumination of an object being photographed includes generating and sending an invitation signal to a number of secondary electronic devices to join a group for photographing the object, generating and sending a photosensing signal to each of the secondary electronic devices in the group to detect an illumination value of the object, focusing an image of the object and detecting an illumination value of the object, detecting a distance value between the object and the primary electronic device, detecting a distance value between the object and each of the secondary electronic devices, and calculating a required flash driving current and a required flash duration of the primary electronic device and each of the secondary electronic devices and a required exposure time for photographing the object. The object is photographed by the first electronic device.

Abstract: A data encrypting and decrypting method which functions in an electronic device is activated when an application program is activated in the device. Data arising from user input is generated and a public and private key pair is also generated. The data is encrypted with the public key to obtain cryptographs and the cryptographs are sent to the application program. The method allows for decryption of the cryptographs with the private key to obtain the original data.

Abstract: A method for controlling illumination of an object being photographed includes generating and sending an invitation signal to a number of secondary electronic devices to join a group for photographing the object, generating and sending a photosensing signal to each of the secondary electronic devices in the group to detect an illumination value of the object, focusing an image of the object and detecting an illumination value of the object, detecting a distance value between the object and the primary electronic device, detecting a distance value between the object and each of the secondary electronic devices, and calculating a required flash driving current and a required flash duration of the primary electronic device and each of the secondary electronic devices and a required exposure time for photographing the object. The object is photographed by the first electronic device.

Abstract: An optical detecting module with waterproofing function can be installed on a housing of a wearable device and includes an optical detecting component, a light source and a packaging structure. The light source is disposed by the optical detecting component, and the packaging structure provides the waterproofing function to the optical detecting component and the light source. The packaging structure includes a main body, a light emitting unit, alight incoming unit and a waterproofing component. The main body covers the optical detecting component and the light source. The light emitting unit and the light incoming unit are disposed on the main body and respectively face the light source and the optical detecting component. The waterproofing component is filled into a gap formed between the main body and the housing, to prevent moisture from leaking into the gap to rust terminals of the optical detecting component and the light source.

Abstract: A method for manufacturing a wafer includes forming a plurality nano-pillars on a surface of a brick; forming a cover layer on the surfaces of the brick, wherein the cover layer covers the nano-pillars; forming an adhesive layer on the surface of the cover layer; cutting the brick into a plurality of wafers; and removing the cover layer and the adhesive layer on the wafers by a solvent, wherein the solvent reacts with the cover layer but not reacts with the brick.

Abstract: A control system including a detection device and a control host is provided. The detection device is configured to detect a biometric characteristic to accordingly identify a user ID, and output an ID signal according to the user ID. The control host is configured to receive the ID signal to accordingly perform an individualized control associated with the user ID.

Abstract: A biometric detection module including a light source module, a detection region and a control module is provided. The light source module is configured to emit green light, red light and IR light in a time division manner to illuminate a skin surface. The detection region is configured to detect penetration light emitted from the light source module for illuminating the skin surface and passing through body tissues to correspondingly generate a green light signal, a red light signal and an IR light signal. The control module is configured to determine a filtering parameter according to the green light signal to accordingly filter the red light signal and the IR light signal, and calculate a biometric characteristic according to at least one of the green light signal, a filtered red light signal and a filtered IR light signal.

Abstract: A safety monitoring apparatus and method thereof for human-driven vehicle are provided. The safety monitoring apparatus includes a sensing unit, a processing unit, and a warning unit. The sensing unit and the warning unit are electrically connected to the processing unit, respectively. The sensing unit is arranged on a steering member of the human-driven vehicle and is used for sensing whether the steering member is in contact with a hand of a driver and generating a sensing signal accordingly. The processing unit determines whether the hand of the driver is placed on the steering member. The warning unit is used for generating a safety warning message. When the processing unit determines that the hand of the driver has not been placed on the steering member according to the sensing signal, the processing unit drives the warning unit to generate the safety warning message to warn the driver.

Abstract: A method for storing files in a storage device includes the following steps. The storage device is divided into an original partition and a system partition. A plurality of original files is installed in the original partition. A shortcut is established in the system partition pointing to a first original file of the original files. The first original file can be executed by activating the shortcut.

Abstract: An embedded electronic device includes a foreground application module, a system monitor module, and a network controller module. The system monitor module is configured to monitor the working status of network via the network controller. The system monitor module is configured to monitor the working status of network and is capable of sending the working status of the network to the system monitor module. The system monitor module is capable of sending the working status to the foreground application module.

Abstract: An embedded electronic device includes a foreground application module, a plurality of system function modules, and a system monitor module. The system monitor module is configured to monitor the working statuses of the plurality of system function modules and to send the working statuses to the foreground application module. The foreground application module is configured to control the plurality of the system function modules via the system monitor module.

Abstract: An electronic device with a plurality of operating systems includes a mode selecting module, a firmware module, an operating system selecting module and a boot loader module. The mode selecting module selects a desired booting mode from a plurality of booting modes. The booting modes includes a manufacture booting mode, a normal booting mode, a rescue booting mode, and a recover booting mode. The firmware module stores the manufacture booting mode, the normal booting mode, the rescue booting mode, and the recover booting mode. The operating system selecting module selects from a plurality of operating systems according to the selected booting mode. The boot loader module loads the selected operating system. A booting method for the electronic device is also disclosed.