3results about How to "Solve costly technical problems" patented technology

The application provides a battery wake-up system and a battery. The system comprises a wake-up module configured to generate an alternating current signal and produce a magnetic field according to the alternating current signal, and the wake-up module is located outside the battery. The battery comprises an induction module and a power supply module. The induction module comprises radio frequency induction devices, the number of the wake-up modules is the same as the number of the radio frequency induction devices, and the wake-up module and the radio frequency induction device correspond to each other. The radio frequency induction device is configured to produce an induced electromotive force in response to the magnetic field produced by the wake-up module corresponding to the radio frequency induction device, so that the induction module generates a wake-up signal. The power supply module provides a preset power supply in response to the wake-up signal, and the preset power supply is used to supply power to a battery management system of the battery to wake up the battery. The application solves the technical problem that the cost is high in the prior art because the battery can be woken up only after being unpacked, and achieves the technical effects of reducing the cost of waking up the battery and improving the efficiency.

The embodiment of the utility model discloses a multifunctional circuit and system, and belongs to the field of circuits. The multifunctional circuit comprises a first port, a second port, a first electric heating wire, a second electric heating wire, a first branch circuit and a second branch circuit. When the current is input from the first port and output from the second port, the current flows through the first branch, and the first heating wire and the second heating wire are heated; and when the current is input from the second port and output from the first port, the current flows through the second branch. According to the embodiment of the invention, the multifunctional circuit has multiple functions through the first branch circuit, the second branch circuit and different current flow directions, and the technical effects of reducing the structural complexity and the cost are achieved.

This invention discloses a method, apparatus, electronic device, and program product for cross-region microservice invocation, relating to the field of distributed technology. The method includes: initiating a mapping relationship retrieval request to a dynamic configuration center; obtaining a first mapping set and a second mapping set from the dynamic configuration center; querying the first mapping set to obtain the target service deployment partition corresponding to the target distributed service; if the partition matches the partition to which the service consumer belongs, initiating a call request to the target distributed service through a remote procedure call strategy; if they do not match, querying the second mapping set to obtain the cross-region service gateway corresponding to the target distributed service, and initiating a call request to the cross-region service gateway. This invention solves the technical problem in related technologies where, in distributed microservice architectures with complex business call relationships, a single consumer may need to subscribe to multiple regional registry centers, leading to high memory resource consumption during cross-region service invocation.