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Camera or camera system capable of rewriting program for camera actions, or accessory device used for the camera

A technology for cameras and accessories, which is applied in the field of camera systems and can solve problems such as incompatibility of camera accessories

Inactive Publication Date: 2005-09-14
CANON KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] As a result, after the above-mentioned cameras came to the market, the cameras were easily incompatible with accessories developed later, even though the cameras were compatible with accessories developed at the same time and their scaled versions

Method used

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  • Camera or camera system capable of rewriting program for camera actions, or accessory device used for the camera
  • Camera or camera system capable of rewriting program for camera actions, or accessory device used for the camera
  • Camera or camera system capable of rewriting program for camera actions, or accessory device used for the camera

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Embodiment Construction

[0018] DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0019] Figures 1(a) to 1(f) , illustrating by way of example possible combinations of a camera used as an electronic device and different accessories.

[0020] In the combination shown in Figure 1(a), the camera is connected to the back cover of the joystick, which is provided with prompt buttons or sticks in the X and Y directions.

[0021] Here, it is assumed that there is only one camera system including a joystick back cover when the camera is marketed. In this camera system, in order to allow selection of a distance-measuring point for automatic focusing (AF) of a desired camera, it is necessary to operate the joystick of the back cover to set the distance-measuring point displayed on the viewfinder. The distance-measuring point for the camera's autofocus can be easily set by freely movin...

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Abstract

A camera system is arranged such that, when an accessory device having a new function is mounted on the camera of the camera system, a program for carrying out the new function of the accessory device is written into a memory of the camera to enable the camera to carry out the new function of the accessory device.

Description

[0001] This application is a divisional application of the invention patent application entitled "Camera or Camera System with Rewritable Action Program or Accessory of the Camera" with the filing date of February 27, 1998. technical field [0002] The present invention relates to a camera system consisting of a camera and an accessory connectable to the camera, wherein the camera has a program or data stored in a rewritable nonvolatile memory such as a flash memory; or to the camera or the accessory. Background technique [0003] By allowing the camera to be used with system accessories such as a flash, lens unit, data back cover, etc., an electronic device such as a single-lens reflex camera system can be used to meet the various uses and needs of the user. [0004] By specifying the interface between the camera and the accessory in advance, and communicating between the camera and the accessory according to the specified rules, the operation of the system can be made smoot...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G03B7/28H04N5/232
CPCH04N5/23209H04N23/663H04N5/772H04N5/907
Inventor 原田义仁
Owner CANON KK