Abstract: A wireless network device and an automatic configuration method are provided. When no second wireless network device providing a wireless local area network (WLAN) is found or when a service identifier of the second wireless network device lacks a preset prefix, a first wireless network device operates in an access point (AP) mode with service identifier comprising the preset prefix to receive a first setting signal carrying a terminal service identifier of a network terminal device, switches its operation mode from the AP mode to a client mode to edit its service identifier setting by the terminal service identifier, and connects to the network terminal device. When the service identifier of the second wireless network device comprises the preset prefix, the first wireless network device connects to the second wireless network device to link the network terminal device.

Abstract: An image monitoring apparatus includes a casing, a camera module in the casing, and a lighting module disposed on the casing and located above or under the camera module on a plane corresponding to a vertical angle of view of the camera module. A horizontal light-emitting plane of a LED of the lighting module is perpendicular to the plane corresponding to the vertical angle of view. A lens of the lighting module covers the LED and has a convex light-exit surface, a bottom surface, and a concave light-entrance surface. A long axis of the convex light-exit surface is located at the horizontal light-emitting plane. A section thickness of the lens from the concave light-entrance surface to the convex light-exit surface along the long axis is greater than a section thickness of the lens from the concave light-entrance surface to the convex light-exit surface along a normal of the bottom surface.

Abstract: A wireless photographic device is provided along with a voice setup method therefor: Obtain at least one wireless network identifier according to a first voice command; synthesize and play a first machine voice according to the obtained wireless network identifier; determine, according to a second voice command, whether to utilize the obtained wireless network identifier on the wireless photographic device. The present invention discloses a simplified wireless LAN setup procedure, using only a wireless interface and a voice man-machine interface and unassisted by any auxiliary equipment. The synthesized voice feedback ensures validity of the setup data. If the man-machine interface processes only digits, alphabetic letters, and set commands, the cost for manufacturing the wireless photographic device is further reduced.

Abstract: A focus adjusting seat includes a base seat, at least one guide bar, a driving device and an image sensor adjusting seat. The base seat includes a bottom plate and a front plate connected to the bottom plate and having a lens installation hole. Two ends of the at least one guide bar are disposed on the bottom plate, respectively. The driving device is disposed on the bottom plate and has an output screw. The image sensor adjusting seat includes a bottom seat and an image sensor installation part connected to the bottom seat and facing toward the lens installation hole. The bottom seat has a screwed part screwed to the output screw and at least one guide groove movably assembled with at least one guide bar. The driving device is adapted to adjust a relative position between the image sensor adjusting seat and the lens installation hole.

Abstract: An image surveillance device includes a casing, a heat dissipating cover, a partition, a lens module, and a light emitting module. The heat dissipating cover covers the casing and has a heat conduction sheet extending inward into the casing. The partition is disposed in the casing to divide an inner space of the casing into an upper space and a lower space. The lens module is disposed in the lower space for capturing images. The light emitting module is disposed on the heat conduction sheet and located in the upper space for emitting light out of the casing when the lens module captures the images. Heat generated by the light emitting module is conducted to the heat dissipating cover via the heat conduction sheet.

Abstract: An auto focus method includes (a) obtaining a selected exposure value and an un-normalized contrast value; (b) executing a normalized contrast value obtaining procedure at each of the stepping positions; and (c) executing a focal point searching procedure according to the normalized contrast values. Accordingly, the normalization procedure is applied to eliminate the effect of the exposure value on the contrast value, so that the focal point of the image can be obtained correctly. In addition, an image capturing apparatus using the focus method is provided.

Abstract: An image capturing device, control method for grouping image capturing devices, and control system thereof are provided. The control method is applied in the control system for controlling image capturing devices. Every image capturing device includes a direction detection unit for indicating a current direction, a command receiving unit, a computing unit, a driving unit and an image capturing unit. The control method comprises the following steps. A steering command for indicating a specified region is provided to at least two image capturing devices. The computing unit calculates a steering angle according to the current direction and specified region. The driving unit drives the image capturing device to capture the specific region according to the steering angle.

Abstract: A camera and a control method thereof are provided. The camera includes a lens, one or more operation units, an image sensor, a thermal sensor, and a control unit. The image sensor is for receiving an image captured by the lens. The thermal sensor is for sensing and outputting the temperature inside the camera. An operation unit performs corresponding action according to an operation power. The control unit is configured to control the magnitude of the operation power of the operation unit(s) so that a monitoring power of the camera is close to but not greater than a default power threshold, and that the sensing temperature is less than or equal to a first default temperature threshold. Wherein, the monitoring power is the sum of the operation power of the operation unit(s). The sensed temperature corresponds to the operation power of the one or more operation units.

Abstract: Disclosed herein, among others, is a media streaming system, comprising a registrar server, a media stream providing device, and a media stream receiving device. The registrar server is configured to register a piece of connection information associated with the media stream providing device, the connection information comprising a local network location, a public network location, a broker location, and a proxy location. The media stream receiving device is configured to obtain the connection information from the registrar server, and to commence measuring simultaneously, based on the aforementioned locations, first, second, third, and fourth costs for connecting to the media stream providing device via a local path, a remote path, a peer-to-peer path, and a proxy-assisted path, respectively. The media stream receiving device then selects one of those paths based on the measured costs.

Abstract: The disclosure provides a light-enhancing component and a photographic device having the same. The light-enhancing component includes a light reflective unit and a light source. The light reflective unit includes a first reflecting surface and a second reflecting surface. The light source is disposed between the first reflecting surface and the second reflecting surface. An inclination of the first reflecting surface is different from an inclination of the second reflecting surface.

Abstract: A photographing device includes a main body, a first video capturing unit, a second video capturing unit and a rotatable electrical connection portion. The first video capturing unit is disposed on the main body, a center of a first video capturing range of the first video capturing unit is located on a first axis. The second video capturing unit is rotatable about the first axis to be pivoted on the main body, the second video capturing unit and the first axis are separated by a distance. A second video capturing range of the second video capturing unit overlaps the first axis. The rotatable electrical connection portion includes a first and a second connection component pivoted and connected to each other. The second video capturing unit is disposed on and connected to the first connection component. The second connection component is disposed on and connected to the main body.

Abstract: A surveillance device includes a shell, a sensing assembly and a transparent cover. The transparent cover is detachably disposed on the shell, to form an accommodating space together. The sensing assembly is disposed in the accommodating space. The transparent cover comprises a first light-transmitting cover, an annular light baffle and a second light-transmitting cover. The first light-transmitting cover is disposed on the shell and having a through hole. The annular light baffle disposed at the through hole has a first limiting surface and a second limiting surface. The first light-transmitting cover is pressed against the first limiting surface. The second limiting surface faces oppositely away from the accommodating space. The second light-transmitting cover is disposed on the annular light baffle and pressed against the second limiting surface. The first limiting surface and the second limiting surface prevent the second light-transmitting cover from moving toward the accommodating space.

Abstract: An assembling set including frame and assembling assembly. The frame includes fixing member and restricting member. The fixing member has through slot having restricting section and releasing section extending along first axis. The restricting member includes main plate and restricting protrusion. The main plate is slidably on the fixing member so that the restricting protrusion is slidable in the through slot along second axis which is nonparallel to the first axis. The assembling assembly includes main body and assembling protrusion. The assembling protrusion protrudes from the main body and in the through slot so as to be restricted in the restricting section or released from the releasing section. When the assembling protrusion is located in the restricting section, and the restricting protrusion is located in the through slot, the assembling protrusion is restricted to be in the restricting section so that the assembling assembly is fixed to the frame.

Abstract: A light compensating system in accordance with this invention comprises a plurality of light emitting devices, an image capturing device, and a processing device. The processing device is respectively coupled to the plurality of light emitting devices and the image capturing device. Each light emitting device is used for emitting light to illuminate a certain area in space. The image capturing device is used for capturing a first image, which can be defined as a plurality of image blocks. Each image block is affected by the light from at least one corresponding light emitting device. The processing device is used for analyzing a brightness value of at least one of the plurality image block and adjusting at least one light emitting device corresponding to the analyzed image block based on the brightness value.

Abstract: A method for reverse video playback and a computer-readable medium are provided for playing a video stream backward. The video stream includes a plurality of groups of pictures which includes a plurality of frames. The frames include one I-frame and at least one frame which is a non-I-frame. The said method includes decoding from the I-frame to a last one frame in a group of pictures according to the time sequence, outputting the last one frame, saving at least one frame which is not outputted in the group of pictures to a storage module, pre-decoding the frames which is not outputted and saved in the group of picture, outputting the frame which is in the storage module.

Abstract: A video surveillance component includes a base and a camera. The camera includes a case and a camera lens module. The case is detachably assembled to the base. The camera lens module is installed on the case. Moreover, a video surveillance assembly includes two video surveillance components. Each of the two video surveillance components includes a camera and a base having a back plate. The camera includes a case and a camera lens module installed on the case. The two back plates of the two bases are attached to each other, so as to expand the field of view of the video surveillance assembly.

Abstract: A monitoring device, system, and blur detection method of images separate a monitored area into an in-focus area and an out-of-focus area after focusing is done and then analyze the following captured images for how the blocks that makes up the in-focus area change in the blurriness and the proportion of the blocks with changed blurriness to overall blocks in the in-focus area. When the proportion of a captured image meets a specific condition, the captured image is then determined as a blur image. A consecutive number of determined blur images will trigger an auto focus procedure.

Abstract: A photographing device comprises an assembling component, an image capturing component, a first annular fastener, a first stopping part and a second annular fastener. The assembling component comprises a hollow case, a protruding part, a first fastening part and a second fastening part. The hollow case has an inner surface, a first end and a second end. The protruding part is located at inner surface to form a supporting space together. The first fastening part and second fastening part are located at first end and second end, respectively. The image capturing component is located in supporting space. The first annular fastener has a third fastening part fastened to first fastening part and an annular abutting part. The first stopping part is connected to first annular fastener or first end. The second annular fastener has a fourth fastening part fastened to second fastening part and a second stopping part.

Abstract: A light compensating system in accordance with this invention comprises a plurality of light emitting devices, an image capturing device, and a processing device. The processing device is respectively coupled to the plurality of light emitting devices and the image capturing device. Each light emitting device is used for emitting light to illuminate a certain area in space. The image capturing device is used for capturing a first image, which can be defined as a plurality of image blocks. Each image block is affected by the light from at least one corresponding light emitting device. The processing device is used for analyzing a brightness value of at least one of the plurality image block and adjusting at least one light emitting device corresponding to the analyzed image block based on the brightness value.

Abstract: A movable bracket includes a fixing component, a covering component, a movable component and a fastening ring. The fixing component includes a main body, a first interposing part and a first screwing part. The first interposing part and the first screwing part are located at the main body. The covering component includes a second interposing part and a first pressing part. The covering component covers the first interposing part to form a pivoting space between the first interposing part and the second interposing part. The covering component has an adjusting groove connected to the pivoting space. The movable component includes a pivotal part and an assembling part that are opposite. The movable component passes through the adjusting groove. The fastening ring includes a ring body, a second pressing part and a second screwing part. The second pressing part is connected to the ring body surrounding the main body.