Abstract: A data writing method, a valid data identifying method and a memory storage apparatus using the same are provided. The method includes receiving first data; using a first programming mode to write first sub-data of the first data into a first physical programmed unit of at least a first memory sub-module of a plurality of memory sub-modules, wherein a size of each of the first sub-data is the same as a preset size; and using a second programming mode to write remaining sub-data of the first data into a second physical programmed unit of a second memory sub-module of the plurality of memory submodules, wherein the size of the remaining sub-data is less than the preset size, and the second memory sub-module is different from a third memory sub-module of the first memory submodules which is a last memory sub-module for writing the first sub-data.

Abstract: A data writing method, a valid data identifying method and a memory storage apparatus using the same are provided. The method includes receiving first data; using a first programming mode to write first sub-data of the first data into a first physical programmed unit of at least a first memory sub-module of a plurality of memory sub-modules, wherein a size of each of the first sub-data is the same as a preset size; and using a second programming mode to write remaining sub-data of the first data into a second physical programmed unit of a second memory sub-module of the plurality of memory submodules, wherein the size of the remaining sub-data is less than the preset size, and the second memory sub-module is different from a third memory sub-module of the first memory submodules which is a last memory sub-module for writing the first sub-data.

Abstract: A projector, a projecting system comprising the same and an automatic image adjusting method thereof are provided. The projector co-operates with a server of the projecting system and projects an initial image at a first orientation. The projector senses an angle difference value generated while the first orientation of the projector is changed to a second orientation, and generates an angle signal according to the angle difference value. The projector transmits the angle signal to the server so that the server generates a rotated image signal according to the angle signal and transmits the rotated image signal to the projector. The projector converts the rotated image signal into a rotated image, and projects the rotated image at the second orientation.

Abstract: An apparatus for enhancing image contrast includes a micro-processor which presets a plurality of thresholds, such as a black threshold and a white threshold. When determining the brightness of an image is lower than the black threshold, the micro-processor decreases the illumination level of a light source. When determining the brightness of an image is higher than the white threshold, the micro-processor increases the illumination level of the light source. A method for enhancing image contrast includes the steps of receiving an image data; determining whether the brightness of an image is lower than the black threshold; if yes, decreasing the illumination level of the light source; determining whether the brightness of the image is higher than the white threshold; and if yes, increasing the illumination level of the light source.

Abstract: A projector, a projecting system comprising the same and an automatic image adjusting method thereof are provided. The projector co-operates with a server of the projecting system and projects an initial image at a first orientation. The projector senses an angle difference value generated while the first orientation of the projector is changed to a second orientation, and generates an angle signal according to the angle difference value. The projector transmits the angle signal to the server so that the server generates a rotated image signal according to the angle signal and transmits the rotated image signal to the projector. The projector converts the rotated image signal into a rotated image, and projects the rotated image at the second orientation.

Abstract: Apparatus and method for disabling an original password of an electronic device are provided. The apparatus comprises a message generator, an interface, and a processing unit. The message generator is configured to generate a message code. The interface is configured to receive an input password and communicate with the electronic device. The processing unit is configured to determine whether the input password corresponds to the message code and if so, to disable the original password. The method comprises the steps executed by the apparatus.

Abstract: An apparatus for enhancing image contrast includes a micro-processor which presets a plurality of thresholds, such as a black threshold and a white threshold. When determining the brightness of an image is lower than the black threshold, the micro-processor decreases the illumination level of a light source. When determining the brightness of an image is higher than the white threshold, the micro-processor increases the illumination level of the light source. A method for enhancing image contrast includes the steps of receiving an image data; determining whether the brightness of an image is lower than the black threshold; if yes, decreasing the illumination level of the light source; determining whether the brightness of the image is higher than the white threshold; and if yes, increasing the illumination level of the light source.