Abstract: A surgical lighting illumination control device includes a suspension system; light heads mounted on the suspension system and each including a housing, light sources mounted in the housing, an unsterilizable grip mounted on the housing for hand holding and moving the light heads, and detection pairs mounted to the unsterilizable grip for receiving an infrared signal that is transmitted therefrom and reflected by an external object for control and adjustment of the illumination, each detection pair including an infrared transmitter and an infrared receiver; a compensation control mechanism connected to the detection pairs and including a control operation unit and environment temperature compensation units connected to the control operation unit; and a sterilizable grip mountable to the unsterilizable grip and including a guide channel formed therein to correspond, in position, to each of the detection pairs to allow the infrared signal to pass therethrough.

Abstract: The present invention provides an LED driver circuit, comprising a voltage converter electrically connected to a power supply and an LED string, wherein the voltage converter provides a fixed voltage to the LED string; and a current-based light-adjusting unit electrically connected to the voltage converter, wherein the current-based light-adjusting unit controls the amplitude of the current flowing through the LED string, in an analog manner and based on a duty cycle of a pulse width modulation signal.

Abstract: The present invention provides an LED driver circuit, comprising a voltage converter electrically connected to a power supply and an LED string, wherein the voltage converter provides a fixed voltage to the LED string; and a current-based light-adjusting unit electrically connected to the voltage converter, wherein the current-based light-adjusting unit controls the amplitude of the current flowing through the LED string, in an analog manner and based on a duty cycle of a pulse width modulation signal.

Abstract: A surgical lighting illumination control device includes a suspension system; light heads mounted on the suspension system and each including a housing, light sources mounted in the housing, an unsterilizable grip mounted on the housing for hand holding and moving the light heads, and detection pairs mounted to the unsterilizable grip for receiving an infrared signal that is transmitted therefrom and reflected by an external object for control and adjustment of the illumination, each detection pair including an infrared transmitter and an infrared receiver; a compensation control mechanism connected to the detection pairs and including a control operation unit and environment temperature compensation units connected to the control operation unit; and a sterilizable grip mountable to the unsterilizable grip and including a guide channel formed therein to correspond, in position, to each of the detection pairs to allow the infrared signal to pass therethrough.

Abstract: An automatic light intensity compensating device of a surgical light includes a suspension or support system and one or multiple light heads carried on the suspension or support system. Each of the light head includes a housing, one or multiple grips mounted to the housing for hand holding and moving the light head to a desired position, one or multiple light sources mounted in the housing for illumination, a focus adjustment mechanism for adjusting the focal length of illumination, a focusing detection mechanism for detecting a position of the focus adjustment mechanism within a variation range, and an automatic illuminance compensation device, which automatically increases or decreases luminance of the light source according to the position of the focus adjustment mechanism.

Abstract: Provided is a surgical light with luminous intensity fine adjustment (LIFA) function, which includes a suspension or support system; one or more light heads carried by the suspension or support system; one or more light sources mounted in the light heads for being operable to supply lighting; one or more driving circuits connected to the light sources for being operable to drive the light sources; one or more operation interfaces connected to the driving circuits to allow for adjustment of the luminous intensities of the light sources between a topmost limit value of luminous intensity and a bottommost limit value of luminous intensity; one or more maximum LIFA activation/deactivation manners allowing the operation interfaces or the driving circuits to enter/exit the maximum/minimum LIFA mode for adjusting and storing the topmost/bottommost limit value of luminous intensity.

Abstract: An illumination control device of surgical light includes a suspension or support system; one or multiple light heads carried on the suspension or support system, each of the light heads comprising a housing, one or multiple light sources mounted in the housing for illumination, a unsterilizable grip mounted on the housing for hand holding and moving the light heads, and one or multiple detection pairs mounted to the unsterilizable grip for receiving an infrared signal that is transmitted therefrom and reflected by an external object for conducting control and adjustment of the illumination; and a sterilizable grip mountable to the unsterilizable grip and comprising a guide channel formed therein to correspond, in position, to each of the detection pairs to allow the infrared signal to pass therethrough.

Abstract: An automatic light intensity compensating device of a surgical light includes a suspension or support system and one or multiple light heads carried on the suspension or support system. Each of the light head includes a housing, one or multiple grips mounted to the housing for hand holding and moving the light head to a desired position, one or multiple light sources mounted in the housing for illumination, a focus adjustment mechanism for adjusting the focal length of illumination, a focusing detection mechanism for detecting a position of the focus adjustment mechanism within a variation range, and an automatic illuminance compensation device, which automatically increases or decreases luminance of the light source according to the position of the focus adjustment mechanism.

Abstract: A energy-saving device of surgical light includes a suspension or support system; a light head carried on the suspension or support system and includes a housing, a grip mounted to the housing for hand holding and moving the light head, multiple light clusters mounted in the housing and each including at least one light source, and multiple detection pairs mounted in the housing and each including an emitter and a receiver, in which the emitter transmits a signal that is reflected by an external object to the receiver to detect the external object at a specific site and a specific distance from the light head; a light source driver operable to drive the light clusters according to the detection result of the detection pairs; and an operation interface connected to the light source driver and configured for energy saving modes of fixed light intensity and compensation light intensity.

Abstract: An elevation adjustable display module mounting arrangement for notebook computer is constructed to include a front mainframe shell, a rear mainframe shell pivoted to the rear side of the front mainframe shell, a display module, and a coupling board coupled between the display module and the rear mainframe shell for enabling the display module to be turned relative to the rear mainframe shell and/or turned with the rear mainframe shell relative to the front mainframe shell.