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Shutter system of camera with battery electricity compensating ability

A technology of battery power and camera, applied in the field of camera, can solve the problems of insufficient power and unsustainable battery, and achieve the effect of reducing demand

Inactive Publication Date: 2007-10-31
YUDONG PLASMA TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when the electrical power supply required for the operation of the mechanical and electronic system reaches the limit, and the battery cannot continue to maintain the required electrical power for the operation, the system can only warn the user of insufficient power, so that the user can replace the battery or charging operation

Method used

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  • Shutter system of camera with battery electricity compensating ability
  • Shutter system of camera with battery electricity compensating ability
  • Shutter system of camera with battery electricity compensating ability

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Embodiment Construction

[0019] See Figure 1. FIG. 1 is a functional block diagram of a shutter system 10 according to a preferred embodiment of the present invention. The shutter system 10 includes a shutter 12, a solenoid (solenoid) 14, and a microcontroller 16; wherein the solenoid 14 is used to open and close the shutter 12, and the microcontroller 16 is used to control the The solenoid 14, and the shutter 12 contains the relevant mechanical elements required to be activated by the solenoid 14. The shutter system 10 further includes a battery 18 and a shutter switch 20; wherein, the battery 18 is used to provide electric power to the microcontroller 16 and the solenoid 14, and the shutter switch 20 is an operation button electrically connected to the microcontroller 16 , can be controlled to trigger the microcontroller 16 to direct electrical power from the battery 18 to the solenoid 14 , thereby opening the shutter 12 . In this embodiment, the microcontroller 16 is an integrated circuit, but ma...

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PUM

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Abstract

A shutter system of video camera is composed of an electromechanical actuator for opening or closing the shutter, a microcontroller for starting said actuator, a shutter switch for triggering said microcontroller, a battery, and a time-electric level table stored in said microcontroller for associating the quantity of electricity of battery with the start time of said actuator. It features that the exposing operation of optical sensor is independent on the quantity of electricity of the battery.

Description

technical field [0001] The present invention relates to a camera, in particular to an electronic camera shutter system. Background technique [0002] Video cameras are widely used consumer electronics products. Traditional film cameras are available in a variety of forms, such as autofocus cameras or professional SLR cameras. The function of a camera is related to its camera design and built-in components. Among them, an element common to all modern video cameras is an electronically controlled shutter powered by batteries. [0003] A problem with video cameras, especially with some degree of automation, is that smooth shutter operation is difficult to sustain when the battery is depleted. Failure to operate the shutter smoothly will result in poor photo quality. Due to the design of the special shutter mechanical system and electronic system and the measurement method of the shutter position, a low battery may result in under- or over-exposed photos taken by the camera...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G03B7/10G03B9/08G03B7/26
Inventor 陈尧明
Owner YUDONG PLASMA TECH