Patent ID: 11882377
Assignee: SONY OLYMPUS MEDICAL SOLUTIONS INC.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H  A | IPC A  H

Claim 12:
13. A control method executed by a control device that includes a processor having hardware and to which a medical imaging device is connected, the control method comprising:
outputting a field signal to the medical imaging device;
acquiring an identification signal for identifying a type of the medical imaging device;
determining based on the identification signal whether or not a vertical synchronization signal is included in the video data;
detecting a horizontal synchronization signal from video data output from the medical imaging device, the video data including at least the horizontal synchronization signal; and
monitoring whether or not an abnormality occurs in one frame period of the video data based on a period of the horizontal synchronization signal detected for a predetermined n-th time after polarity of the field signal is switched.