'During the 60 years since our establishment, Fukuda Denshi Co., Ltd has been involved in the development and sales for Medical Equipment in the Cardiovascular field. The history of Fukuda Denshi Co., Ltd is the history of the Electrocardiograph. From the first Electrocardiograph in Japan until now, a history of our innovations is listed.'

Ultrasound Systems:

The fundamental frequency is the natural or resonant frequency of a system and the first harmonic of a system's oscillation.

See also Subharmonic Imaging.

Fundamental imaging describes ultrasound imaging and Doppler modes in which the received signal is acquired and processed under the assumption of linear propagation and scattering.

See also Contrast Pulse Sequencing.