- 专利标题： Communication device, non-transitory computer-readable recording medium storing computer-readable instructions for communication device, and method executed by communication device
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申请号： US16580769申请日： 2019-09-24
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公开(公告)号： US11140294B2公开(公告)日： 2021-10-05
- 发明人: Tomomi Shiraki , Satoko Ando
- 申请人： Brother Kogyo Kabushiki Kaisha
- 申请人地址： JP Nagoya
- 专利权人： Brother Kogyo Kabushiki Kaisha
- 当前专利权人： Brother Kogyo Kabushiki Kaisha
- 当前专利权人地址： JP Nagoya
- 代理机构： Banner & Witcoff, Ltd.
- 优先权： JP2018-179278 20180925
- 主分类号： H04N1/333
- IPC分类号： H04N1/333 ; H04L29/06 ; H04N1/327 ; H04N1/00
摘要：
A communication device may send a first negotiation request including first version information to a first external device via a communication interface of the communication device, execute first communication with the first external device via the communication interface by using the predetermined communication protocol of a second version, send a second negotiation request including second version information to the first external device via the communication interface in a case where an error notification is received from the first external device in the first communication, and execute second communication with the first external device via the communication interface by using the predetermined communication protocol of the first version.
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