基本信息:
- 专利标题： 通信装置、撮像装置、制御方法およびプログラム
- 专利标题（英）：COMMUNICATION DEVICE, IMAGING DEVICE, CONTROL METHOD, AND PROGRAM
- 申请号：PCT/JP2022/022747 申请日：2022-06-06
- 公开(公告)号：WO2023281955A1 公开(公告)日：2023-01-12
- 发明人： 加々谷 宗亮
- 申请人： キヤノン株式会社
- 申请人地址： 〒1468501 東京都大田区下丸子３丁目３０番２号 Tokyo
- 专利权人： キヤノン株式会社
- 当前专利权人： キヤノン株式会社
- 当前专利权人地址： 〒1468501 東京都大田区下丸子３丁目３０番２号 Tokyo
- 代理机构： 弁理士法人大塚国際特許事務所
- 优先权： JP2021-113138 2021-07-07
- 主分类号： G06F16/14
- IPC分类号： G06F16/14 ; H04N5/92
This communication device has: a storage means for storing a file acquired from a first external device and storing first information concerning at least either one of a creation date and time and an update date and time of the file; and a control means for, in a case where the file acquired from the first external device is a first file to which the first information is provided in the first external device, storing the first file in the storage means and storing the first information of the first file, and, in a case where the file acquired from the first external device is a second file to which the first information is not provided, acquiring second information concerning a record date and time at which the second file has been recorded, from the first external device, and rewriting the first information to the second information when storing the second file in the storage means.
IPC结构图谱:
| G | 物理 |
| --G06 | 计算；推算；计数 |
| ----G06F | 电数字数据处理 |
| ------G06F16/00 | 信息检索；数据库结构；文件系统结构 |
| --------G06F16/10 | .文件系统；文件服务器 |
| ----------G06F16/14 | ..基于文件元数据检索文件的细节 |