ULTRASOUND DIAGNOSTIC SYSTEM WITH AN EXTERNAL MASS STORAGE UNIT

1 . An ultrasound diagnostic system, comprising:

an ultrasound transmission/reception unit for transmitting ultrasound signals to a target object and receiving ultrasound echo signals reflected from the target object;

a data forming unit for forming ultrasound data based on the ultrasound echo signals, the data forming unit including a first interface unit for outputting the ultrasound data; and

an external storage unit for storing the ultrasound data outputted from the data forming unit, the external storage unit including a second interface unit for receiving the ultrasound data.

2 . The ultrasound diagnostic system of claim 1 , wherein the ultrasound data includes ultrasound image data and image parameters related to the ultrasound image data.

3 . The ultrasound diagnostic system of claim 1 , wherein the ultrasound image data include 2-dimensional data, Doppler image data, Doppler spectrum data, M-mode image data, B-mode image data and ECG (electrocardiogram) data, and wherein the image parameters include synchronization information necessary for synchronizing ultrasound image data, time interval information acquiring each frame in the ultrasound image data, image processing information necessary for processing the ultrasound image data and data indication information for indicating data information of the ultrasound image data.

4 . The ultrasound diagnostic system of claim 2 , further comprising a control unit for generating a control signal according to an input of an operator and assigning identification to the ultrasound image data.

5 . The ultrasound diagnostic system of claim 4 , wherein the first interface unit includes:

a first interface section for receiving and transmitting the ultrasound image data;

a second interface section for receiving and transmitting the image parameters; and

a third interface section for transmitting the control signal;

wherein the second interface unit includes:

a fourth interface section for receiving and transmitting the ultrasound image data;

a fifth interface section for receiving and transmitting the image parameters; and

a sixth interface section for receiving the control signal.

6 . The ultrasound diagnostic system of claim 5 , wherein the external storing unit further includes:

a codec section for compressing and decompressing the ultrasound image data in response to the control signal; and

a storing section for storing the ultrasound image data, the compressed ultrasound image data and the image parameter.

7 . A method of storing ultrasound data in an external storing unit in an ultrasound diagnostic system, comprising the steps of:

a) forming ultrasound data based on ultrasound echo signals reflected from a target object, the ultrasound data including ultrasound image data and image parameters related to the ultrasound image data;

b) selecting a data storing mode for storing the ultrasound data;

c) assigning identification to the ultrasound image data;

d) transmitting the ultrasound data to an external storing unit;

e) checking whether to compress the ultrasound image data;

f) compressing the ultrasound image data; and

g) storing the ultrasound image data together with the image parameters.

8 . The method of claim 7 , wherein the ultrasound image data include 2-dimensional data, Doppler image data, Doppler spectrum data, M-mode image data, B-mode image data and ECG data, and wherein the image parameters include synchronization information necessary for synchronizing ultrasound image data, time interval information acquiring each frame in the ultrasound image data, image processing information necessary for processing the ultrasound image data and data indication information for indicating data information of the ultrasound image data.

9 . A method of reading out ultrasound data from an external ultrasound unit in an ultrasound diagnostic system, comprising the steps of:

a) selecting a data reading mode;

b) searching desirable ultrasound data in an external storing unit, the ultrasound data including ultrasound image data and image parameters related to the ultrasound image data;

c) checking whether to decompress the ultrasound image data;

d) decompressing the ultrasound image data; and

e) outputting the ultrasound image data together with the image parameters.

10 . The method of claim 9 , wherein the ultrasound image data include 2-dimensional data, Doppler image data, Doppler spectrum data, M-mode image data, B-mode image data and ECG data, and wherein the image parameters include synchronization information necessary for synchronizing ultrasound image data, time interval information acquiring each frame in the ultrasound image data, image processing information necessary for processing the ultrasound image data and data indication information for indicating data information of the ultrasound image data.