2results about How to "Prevent implantation" patented technology

The utility model discloses a kind of reinforcing steel bar structures of circle beam brick masonry wall top, it is related to building engineering technical field, including existing wall, existing circle beam, existing roof, reinforcing steel bar and fixed angle steel, existing circle beam is fixedly installed in the top of existing wall, the upper portion of existing circle beam is erected in the both ends of existing roof, reinforcing steel bar and fixed angle steel are respectively arranged in the both sides of existing wall, fixed angle steel is fixedly installed in the reentrant corner part of existing circle beam and existing roof connecting place, and fixed angle steel is fixedly connected with existing circle beam by through-bolt.The utility model uses the fixed angle steel fixed in the both sides of existing circle beam, as the fixed point of wall reinforcing steel bar top, can avoid a large number of reinforcing steel implantation circle beam and roof, reduce the damage caused to it, simultaneously make every longitudinal reinforcement have firm fixed point, enhance the overall stability of the newly added reinforcing structure of existing wall.And the utility model construction efficiency is high, fast, small, simple and quick.

This invention relates to an automatic software update method based on an in-vehicle embedded operating system, belonging to the field of computer software technology. It solves the problem that existing methods cannot simultaneously achieve reliable system startup and flexible, secure automatic software updates. The method includes: partitioning the physical disk into a system root partition, a user data partition, and an OverlayFS working partition; automatically entering safe mode by detecting kernel boot parameters, mounting the system root partition as read-only, and mounting specified directories as read-write overlays based on the OverlayFS file system and whitelist configuration files; dynamically switching the safe mode on and off via system services and command lines; upon detecting an external update device, entering maintenance mode, performing security verification on the update package from the external update device, and then performing an atomic update operation on the user data partition. This achieves both reliable operating system startup and flexible automatic software updates.