Abstract: Disclosed are an information interaction method and apparatus, and an electronic device. One specific embodiment of the method comprises: in response to a user logging in to a live interface initiated based on a multimedia conference, displaying a live data stream of the multimedia conference in the live interface initiated based on the multimedia conference, wherein the live data stream is generated on the basis of an interactive data stream of a participating user of the multimedia conference; receiving interactive content input by the user on the basis of the live data stream, and generating interactive information according to the interactive content; and sending the interactive information to a serving end, so as to instruct the serving end to send the interactive information to a terminal device that displays the live interface. The communication efficiency of information related to the content of a multimedia conference is thus improved.

Abstract: Provided are an electric lock and a display screen using the same. The electric lock comprises a main lock and a secondary lock. The main lock comprises a housing, a driving assembly comprising a driving member and a rotating shaft which is rotatably arranged on the housing, and a first connecting member. The secondary lock comprises a first sleeve, an elastic member and a second connecting member which is rotatably arranged in the first sleeve. The second connecting member is able to move along the axis of the first sleeve. The driving member drives the first connecting member to move along its axis, and rotates the first connecting member when the first connecting member abuts against the second connecting member. The electric lock is simple in structure, convenient to operate and small in size.

Abstract: An LED display screen with protective devices is disclosed. Two adjacent display screen boxes are respectively provided with a first protective device and a second protective device which are retractable; first protective device and second protective device are correspondingly arranged; first protective device is linked with second protective device so that the two adjacent display screen boxes are spliced; and a portion of first protective device and second protective device respectively protrude from the display screen boxes when the two adjacent display screen boxes are not spliced. When the display screen boxes are not spliced, the protruding portions of protective devices may protect the sides of display screen boxes to prevent damage to the display screen boxes caused by collision, etc. Because the protective devices are retractable, they can retract without affecting the splicing between display screen boxes when the display screen boxes are spliced.

Abstract: Provided are an electric lock and a display screen using the same. The electric lock comprises a main lock and a secondary lock. The main lock comprises a housing, a driving assembly comprising a driving member and a rotating shaft which is rotatably arranged on the housing, and a first connecting member. The secondary lock comprises a first sleeve, an elastic member and a second connecting member which is rotatably arranged in the first sleeve. The second connecting member is able to move along the axis of the first sleeve. The driving member drives the first connecting member to move along its axis, and rotates the first connecting member when the first connecting member abuts against the second connecting member. The electric lock is simple in structure, convenient to operate and small in size.

Abstract: An LED display screen with protective devices is disclosed. Two adjacent display screen boxes are respectively provided with a first protective device and a second protective device which are retractable; first protective device and second protective device are correspondingly arranged; first protective device is linked with second protective device so that the two adjacent display screen boxes are spliced; and a portion of first protective device and second protective device respectively protrude from the display screen boxes when the two adjacent display screen boxes are not spliced. When the display screen boxes are not spliced, the protruding portions of protective devices may protect the sides of display screen boxes to prevent damage to the display screen boxes caused by collision, etc. Because the protective devices are retractable, they can retract without affecting the splicing between display screen boxes when the display screen boxes are spliced.

Abstract: An optical line terminal (OLT) device and an implementation method thereof, relate to the field of a passive optical network (PON). The OLT device includes an interface unit for receiving data in an Ethernet format sent by a service processing apparatus, performing protocol processing on the received data in the Ethernet format, converting the data after the protocol processing into a transmission signal corresponding to a sending interface, and then transmitting the transmission signal to an external device, as well as receiving message data sent by the external device, converting the message data for protocol processing corresponding to the service processing apparatus, converting the signal after the protocol processing into data in the Ethernet format, and transmitting the data to the service processing apparatus; the service processing apparatus performing service processing on the data transmitted by the interface unit, and transmitting the processed data to the interface unit.

Abstract: An optical line terminal (OLT) device and an implementation method thereof, relate to the field of a passive optical network (PON). The OLT device includes an interface unit for receiving data in an Ethernet format sent by a service processing apparatus, performing protocol processing on the received data in the Ethernet format, converting the data after the protocol processing into a transmission signal corresponding to a sending interface, and then transmitting the transmission signal to an external device, as well as receiving message data sent by the external device, converting the message data for protocol processing corresponding to the service processing apparatus, converting the signal after the protocol processing into data in the Ethernet format, and transmitting the data to the service processing apparatus; the service processing apparatus performing service processing on the data transmitted by the interface unit, and transmitting the processed data to the interface unit.