US 10,771,232 B2 · Information processing apparatus, time synchronization method, and computer-readable recording medium recording time synchronization program

Abstract

An information processing apparatus includes: a memory configured to store first system time; and a processor configured to: receive, from an information acquisition apparatus after the first system time is written in the memory, first information acquired by the information acquisition apparatus and first time information indicating acquisition time of the first information; receive, from the information acquisition apparatus after receiving the first information and the first time information, second information and second time information indicating acquisition time of the second information; converting, based on the first system time, reception time at which the first information and the first time information are received into second system time; convert, based on the second system time and the first time information, the second time information into third system time; attach the second system time to the first information; and attach the third system time to the second information.

Claims14

Dependent claims

An information processing apparatus comprising:

a memory configured to store first system time;
and
a processor coupled to the memory, the processor configured to:
receive, from an information acquisition apparatus after the first system time is written in the memory, first information acquired by the information acquisition apparatus and first time information indicating first acquisition time of the first information;
receive, from the information acquisition apparatus after receiving the first information and the first time information, second information and second time information indicating second acquisition time of the second information;
convert, based on the first system time, reception time at which the first information and the first time information are received into second system time;
convert, based on the second system time and the first time information, the second time information into third system time;
attach the second system time to the first information;
and
attach the third system time to the second information.

7 more elements

A time synchronization method performed by an information processing apparatus, the time synchronization method comprising:

receiving, from an information acquisition apparatus after first system time is written in a memory, first information acquired by the information acquisition apparatus and first time information indicating first acquisition time of the first information;
receiving, from the information acquisition apparatus after receiving the first information and the first time information, second information and second time information indicating second acquisition time of the second information;
converting, based on the first system time, reception time of the first information and the first time information into second system time;
converting, based on the second system time and the first time information, the second time information into third system time;
attaching the second system time to the first information;
and
attaching the third system time to the second information.

4 more elements

A non-transitory computer-readable recording medium having stored therein a time synchronization program for causing a computer to execute a process, the process comprising:

receiving, from an information acquisition apparatus after first system time is written in a memory, first information acquired by the information acquisition apparatus and first time information indicating first acquisition time of the first information;
receiving, from the information acquisition apparatus after receiving the first information and the first time information, second information and second time information indicating second acquisition time of the second information;
converting, based on the first system time, reception time of the first information and the first time information into second system time;
converting, based on the second system time and the first time information, the second time information into third system time;
attaching the second system time to the first information;
and
attaching the third system time to the second information.

4 more elements

Dependencies are inferred from the claim text.

Information processing apparatus, time synchronization method, and computer-readable recording medium recording time synchronization program

Life of this patent

Information processing apparatus, time synchronization method, and computer-readable recording medium recording time synchronization program

Life of this patent

Abstract

Claims14