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Object actuator and method therefor

A technology of objects and driving signals, applied in the field of travel devices, can solve problems such as user inconvenience

Inactive Publication Date: 2009-06-10
QISDA CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the accuracy of the adjustable projection position is higher, the user needs to repeatedly press the button several times to compensate for the gap at the assembly part of the mechanism for subsequent fine-tuning, which is extremely inconvenient for the user

Method used

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  • Object actuator and method therefor
  • Object actuator and method therefor
  • Object actuator and method therefor

Examples

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Embodiment Construction

[0018] see figure 1 , figure 1 is a functional block diagram of the object actuating device 10 according to the first preferred embodiment of the present invention. The object actuating device 10 is used for actuating an object (not shown) movably mounted on a slide rail (not shown). The object of the present invention may be a projection lens of a projector (not shown), and the slide rail is disposed in the projector. Such as figure 1 As shown, the object actuator 10 includes a processing unit 12 , a control unit 14 , a driving unit 16 and a motor 18 . The processing unit 12 is used for receiving an input signal and outputting a control signal corresponding to the input signal. The control unit 14 is coupled with an output terminal of the processing unit 12, and is used to selectively output a forward single-step enabling signal (Forwarding-single-step enabling signal), a continuous forward enabling signal (Continuously- forwarding enabling signal) or a reversing single-...

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PUM

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Abstract

The invention discloses a device for actuating a movable subject installed on a sliding track. The actuating device comprises a processing unit, a control unit, a driving unit and a motor. The processing unit receives an input signal and outputs the control signal of a response input signal. The control unit couples with the processing unit and selectively outputs three different actuating signals. The driving unit couples with the control unit and selectively outputs three driving signals of different work cycle. The motor unit couples with the driving unit and connects with the object, actuates the object to slide along the track according to different driving signals. When the object is inverted, the inventive device also can work accurately.

Description

technical field [0001] The present invention relates to a device and method for actuating an object, in particular to a device and method for accurately fine-tuning the travel of the object when the object is reversed. Background technique [0002] The height or position of the existing projector (Projector) lens can be adjusted by an electric adjustment device. Generally speaking, the electric adjustment device uses a motor to drive the gear set to drive the screw to convert the rotation into linear motion, and then control the lifting or translation of the projector lens. In other words, the user can control the electric adjustment device through a remote controller or other control devices, so as to adjust the image projected by the projector lens to the most suitable viewing position. [0003] When the user wants to adjust the position of a projected image, if the user only presses the up or down button once, the projected image will only move a small step away, and whe...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G03B21/14
Inventor 王彦麟胡盛翔李建铭沈俊明
Owner QISDA CORP
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