Shenyang Neusoft Medical Systems Co., Ltd.

Neusoft Medical Systems Co., Ltd.

Peng Ning

Long Yang

Peng Gao

Liang He

Guodong Liang

Yuqiu Zhao

Jun Zhang

Gai Cui

Zhenguo Zhang

A Position Emission Tomography (PET) system is provided in the present disclosure. According to an example, the PET system includes a detector and a host computer, where the detector includes: a plurality of detector rings; each of the detector rings including n number of collecting modules arranged in a circumferential direction of the detector ring, where n is an integer greater than 1; a first collecting module of the n number of collecting modules coupled with the host computer; an n-th collecting module of the n number of collecting module coupled with a (n&#x2212;1)-th collecting module; and an i-th collecting module coupled with an (i&#x2212;1)-th collecting module, where i is an integer greater than 1 and less than n.

Transmitting data in PET system

Methods, systems, and machine-readable storage mediums for clock synchronizing among detectors in a clock synchronizing configuration are provided. An example clock synchronizing method includes: providing a clock of a preset frequency in each of N modules to be synchronized, coupling every two adjacent modules of the modules by a transmission line of the same length, N being an odd number, selecting two different modules from the modules as two reference modules respectively, controlling each of the reference modules to transmit a synchronizing signal to the other modules, determining a clock error between every two modules having the same transmission distance from the reference module according to a moment of the synchronizing signal reaching each of the other modules, selecting a calibrating module from the modules, and implementing clock synchronization between each of the modules and the calibrating module according to the respective clock errors associated with the two reference modules.

Clock synchronizing

Methods, devices and computer-readable mediums for clock synchronization are provided. The methods include receiving a synchronizing clock in a unit clock cycle of a measuring clock, calibrating position information of a rising edge of the synchronizing clock in the unit clock cycle, determining a phase difference between the measuring clock and the synchronizing clock in the unit clock cycle based on the calibrated position information, and compensating a photon time in the unit clock cycle with the determined phase difference as a time compensation value.

Clock synchronization between time calibration boards

Growing community of inventors

Shenyang, China

Peng Ning