Primax Electronics Ltd.

Chien-Nan Yu

Szu-Hao Lyu

Ying-Chieh Chen

Wen-Chi Shih

Chung-Feng Tsao

Hang-Kau Khor

Yu-Hsiao Li

A microphone inspection method includes the following steps. Firstly, a sound wave from a speaker is received by an under-test microphone and a reference microphone. Consequently, a first characteristic point distribution chart and a second characteristic point distribution chart are created, respectively. Each of the first characteristic point distribution chart and the second characteristic point distribution chart includes plural characteristic points corresponding to respective normalized frequency values. Then, a characteristic point number difference between a number of the characteristic points of the first characteristic point distribution chart and a number of the characteristic points of the second characteristic point distribution chart within a specified normalized frequency value range is calculated. Consequently, the quality of the under-test microphone is judged according to the characteristic point number difference.

Microphone inspection method

An optical analysis method is provided for judging whether a lens and a sensing element of an image pickup device are parallel with each other. The method utilizes a tested image pickup device and a standard image pickup device to shoot an object at the same fixed shooting position to acquire a standard image frame and a tested image frame. According to the difference between the position coordinate value or the area of at least one mark of the standard image frame and the tested image frame, the method can judge whether the tested lens and the tested sensing element of the tested image pickup device are parallel with each other.

Method for judging whether lens and sensing element of image pickup device are parallel

The present invention discloses a method for assembling a camera module. The method includes putting plural conductive bumps on a conductive contact of a substrate such that a large conductive bump is formed, and pressing the substrate and an image chip together such that the conductive contact contacts with a pad formed on the image chip through the large conductive bump to combine the conductive contact and the pad. Since there is no contact between the substrate and the image chip but the large conductive bump, the method decreases the probability for fracture between the substrate and the image chip and improves the quality of the camera module.

Method for assembling camera module

A method of starting snapping a static scene is applied to a system, which is electrically connected with an image-capturing device and a display device. The display device has a displaying zone for display a visual field of the image-capturing device. After an instruction of setting a block in the displaying zone is received by the system, a skin color coverage percentage of the block is calculated. According to the skin color coverage percentage, the system determines whether the scene within the visual field is stored or not. By the method and system of the present invention, a self-timer function is activated according to the skin color.

Method and system of starting snapping static scene

A method for determining the planting ball number of a camera module is provided. The camera module includes a substrate and a chip. The substrate includes an opening and a plurality of contact pads. The opening of the substrate has four rims. The method includes the following steps. Firstly, an image pickup device is used to detect an average contact pad distance of the distances from four specified contact pads of the substrate to the image pickup device. Then, a smallest opening distance among four opening distances from the four rims to the image pickup device is acquired. Then, plural actual contact pad distances from all contact pads to the image pickup device are acquired. The planting ball number for each contact pad is calculated according to these distances. Consequently, the quality of assembling the camera module is enhanced.

Method for determining planting ball number of camera module

A focus-quality judging method includes the following steps. Firstly, a comparing object including a target area is provided. A reference image pickup device is provided to shoot the comparing object to obtain a standard image including a standard target area image. Then, a first pixel number contained in the standard target area image is counted. The comparing object is shot by a test image pickup device to obtain a test image including a test target area image, wherein the test image has the same resolution as the standard image. Then, a second pixel number contained in the test target area image is counted. The first pixel number contained in the standard target area image is compared with the second pixel number contained in the test target area image. According to the comparing results, it is discriminated whether the test image pickup device performs an accurate focusing operation.

Method for discriminating focus quality of image pickup device

A portable electronic device for measuring a distance of an object by performing an auto focus function and a distance measuring method are provided. The portable electronic device includes an image pickup module and a distance measuring program. The image pickup module includes a lens, an optical sensing element and a transmission mechanism. The distance measuring program includes a distance look-up table. The distance look-up table is established by correlating a plurality of lens moving step numbers with corresponding object distance values. The auto focus function is performed to capture an image of an object by the image pickup module, thereby obtaining a current lens moving step number required for performing the auto focus function. A current object distance value corresponding to the current lens moving step number is acquired according to the distance look-up table.

Portable electronic device and method for measuring distance by performing auto focus function

A portable camera having a lens assembly switching mechanism is provided. The portable camera includes a camera main body, a camera module, a slab module and a coupling structure. The camera main body has a camera opening formed in a first surface thereof. The camera module is disposed within the camera main body and includes a lens assembly exposed through the camera opening. The slab module is used for carrying one or more selective lens assemblies with different shooting angles. The coupling structure is disposed between the first surface of camera main body and the camera module. The slab module is movable with respect to the coupling structure while the slab module is parallel with the first surface of the camera main body, so that one of the selective lens assemblies is aligned with the camera opening for providing an adjustable shooting angle.

Portable camera having lens assembly switching mechanism

A portable camera device includes a first casing, a second casing and an extendable mechanism. The second casing contains a lens module and has a lower part connected to a first connecting position of the first casing such that the lens module is arranged above the first casing. The extendable mechanism has a rear end with a document holding structure for holding a document and a front end connected to a second connecting position of the first casing via a first pivotal mechanism. The extendable mechanism is selectively folded or unfolded with respect to the first casing when the extendable mechanism is rotated in various directions by adjusting the first pivotal mechanism. A relative spatial correlation between the lens module and the document is adjusted such that the lens module is focused on a selected area of the document for capturing an image of the document.

Portable camera device

A notebook computer that has a document holding function includes an upper cover and a base. The upper cover includes a screen and an image pickup device. The base includes a keyboard and a touchpad. A touchpad chassis is disposed under the touchpad and connected with a bottom surface of the touchpad. A fixing recess is formed in an edge surface of the touchpad chassis for holding the document. A rotatable frame is disposed under the touchpad for overturning the touchpad chassis. As such, a shooting angle is defined between the image pickup device and the document held in the fixing recess.

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Taipei, Taiwan

Chien-Nan Yu