Abstract: An optical module optimized for EMI shielding performance and electromagnetic shielding structure of the optical module includes a base, an upper cover, and an unlocking device connected by an unlocking handle and a movable unlocking piece; the base is butted and clamped with the upper cover to form a limiting groove for accommodating the unlocking latch on both sides of the movable unlocking piece, the unlocking latch is correspondingly slidably fitted in the limiting groove; the upper end of the unlocking latch on each side is provided with a first notch, which is used to make way for the base EMI lug boss set on the base, the lower end of the unlocking latch on each side is provided with a second notch, which is used to make way for the upper cover EMI lug boss set on the upper cover.

Abstract: An optical module optimized for EMI shielding performance and electromagnetic shielding structure of the optical module includes a base, an upper cover, and an unlocking device connected by an unlocking handle and a movable unlocking piece; the base is butted and clamped with the upper cover to form a limiting groove for accommodating the unlocking latch on both sides of the movable unlocking piece, the unlocking latch is correspondingly slidably fitted in the limiting groove; the upper end of the unlocking latch on each side is provided with a first notch, which is used to make way for the base EMI lug boss set on the base, the lower end of the unlocking latch on each side is provided with a second notch, which is used to make way for the upper cover EMI lug boss set on the upper cover.

Abstract: The lighting apparatus has a main housing, a first light source, a driver module and a top cover. The main housing has a ring part and a central part. The ring part has an external wall and an internal wall. The internal wall surrounds the central part. The external wall has a tilt curve side profile. A bottom of the external wall is connected to a bottom of the internal wall and forms a ring container space. The first light source is surrounded by the internal wall of the main housing. The drive module is disposed in the ring container space. The top cover at least partially conceals the ring container space.

Abstract: The lighting apparatus has a main housing, a first light source, a driver module and a top cover. The main housing has a ring part and a central part. The ring part has an external wall and an internal wall. The internal wall surrounds the central part. The external wall has a tilt curve side profile. A bottom of the external wall is connected to a bottom of the internal wall and forms a ring container space. The first light source is surrounded by the internal wall of the main housing. The drive module is disposed in the ring container space. The top cover at least partially conceals the ring container space.

Abstract: A contrast imaging method based on a wide beam and a method for extracting a perfusion time-intensity curve (TIC) are provided to increase contrast-to-tissue ratio (CTR) through the contrast imaging method based on the wide beam via a pulse inversion microbubble wavelet transform sum squared differences decorrelation (PIWSSD). An auto adaptive analysis method about rapidly and accurately extracting a TIC tendency of the contrast imaging method based on the wide beam is also provided to overcome limitations of a decrease in the CTR of the contrast imaging based on the wide beam and a decrease in SCR of the perfusion TIC. The present invention plays an important role in effectively reducing an ultrasound contrast imaging acoustic power and a contrast microbubble perfusion concentration, reducing potential threat to human body, acquiring a contrast image with the high CTR, and accurately evaluating and diagnosing blood perfusion.

Abstract: A contrast imaging method based on a wide beam and a method for extracting a perfusion time-intensity curve (TIC) are provided to increase contrast-to-tissue ratio (CTR) through the contrast imaging method based on the wide beam via a pulse inversion microbubble wavelet transform sum squared differences decorrelation (PIWSSD). An auto adaptive analysis method about rapidly and accurately extracting a TIC tendency of the contrast imaging method based on the wide beam is also provided to overcome limitations of a decrease in the CTR of the contrast imaging based on the wide beam and a decrease in SCR of the perfusion TIC. The present invention plays an important role in effectively reducing an ultrasound contrast imaging acoustic power and a contrast microbubble perfusion concentration, reducing potential threat to human body, acquiring a contrast image with the high CTR, and accurately evaluating and diagnosing blood perfusion.