5 results about "Older child" patented technology

A one-size-fits-all nipple for all age ranges is the nipple designed and developed such that a nipple head has milk flow channels configured as curved lines and defining open-close valves to allow infants and children to control milk flow rate by themselves. The flow will not occur without suction, thereby reducing the chance of choking on milk. The one-size-fits-all nipple can be used from newborns to older children, is easy to use, and gives a natural bottle-feeding experience. The one-size-fits-all nipple for all age ranges reduces the difficulty for parents of infants and children in choosing the suitable nipple sizes for each age range and also reduces parents' expenses in purchasing nipples.

This utility model discloses a baby stroller with an adjustable backrest, including a first support leg, a second support leg, and a seat. The first support leg, the second support leg, and the seat are rotatably connected by a connector. The first and second support legs are located below the seat. One end of the seat is rotatably connected to the bottom of the backrest through an internally installed stepless adjustment component. A sliding support is slidably connected to the outer wall of the first support leg, and a push rod is rotatably connected to one end of the second support leg. This utility model features a 0°-180° stepless adjustment backrest with a locking structure, adapting to the needs of all age groups, including younger children lying flat and older children sitting. The footrest height and push rod length are also adjustable in multiple positions and are easy to operate. The sunshade can be unfolded and folded according to multiple internal arc-shaped frames and is precisely positioned by a 120° turning limit groove in the connector, forming a stable triangular structure between the first and second support legs and the ground. Combined with the figure-eight-shaped second support leg, the anti-tipping ability is significantly enhanced.

The application discloses a kind of observation record generation methods, systems, equipment and medium of infant behavior, which comprises: first, the real-time behavior video stream of infant is acquired and preprocessed, and the multi-modal feature vector containing action, emotion, environment / object and identity is extracted by lightweight neural network;Then, the index of "3-6 years old children learning and development guide" is converted into a standard index vector group, and the semantic correlation score of features and indexes is calculated by mapping matching algorithm;Then, the to-be-evaluated index is filtered according to the score, and the corresponding template is called, and finally, the observation and evaluation text report is generated by fusing the template, multi-modal features and infant historical evaluation data.The application can realize the automation, standardization, scientization and safety of infant behavior observation and evaluation, reduce the work burden of teachers, anchor the professional education standard for evaluation, and provide a scientific basis for precise teaching of preschool education.

The child safety seat disclosed by the application comprises a base and a seat body rotatably and pitch-adjustably mounted on the base, the bottom end of the seat body is provided with a supporting leg which is turned downward to abut on the floor of a vehicle, and the bottom end of the seat body is further formed with an accommodating groove for accommodating the supporting leg in a folded state, and further comprises a folding footrest arranged on the supporting leg, the folding footrest is composed of a locking sleeve, an extension arm group and a folding footrest arranged on the supporting leg, the folding footrest can be flexibly adjusted in height according to the length of the legs of a child and the height of the floor of a vehicle, and the effective support of the feet of a child is realized through the sliding locking of the locking sleeve on the supporting leg and the length adjustment of the extension arm group, and the technical problem that the feet of an older child are suspended in the air when the older child rides the existing safety seat due to the lack of a leg support structure, and the uncomfortable legs and bad sitting posture are easily caused is solved.