The term Doppler come from Austrian physicist Christian Doppler, who proposed the Doppler effect.

The Doppler effect describes the change in frequency of a wave for an observer moving relative to the waves source.


Company History

Ultrasound Technologies Pocket Doppler sales exceed 20000 units
Ultrasound Technologies establish Latin American Sales office
Ultrasound Technologies release new fetatrack 360 intrapartum fetal monitor
Ultrasound Technologies release new fetatrack 310 antenatal fetal monitor
Ultrasound Technologies is certified to ISO13485:2003
Ultrasound Technologies release new 120 range of fetatrack dopplers
Ultrasound Technologies appointed exclusive distributor in the UK and Germany for Nonin's FetalSat fetal pulse oximeter
Ultratec PD1 series doppler exceed 11000 units sold
Ultrasound Technologies establish French Sales office
Ultrasound Technologies aquires the monitoring and doppler divisions of Seward Medical.
Ultrasound Technologies introduce PD1 series of pocket dopplers
Ultrasound Technologies open sales office in Germany
Ultrasound Technologies develop small full function fetal monitor PFM1
Seward Medical introduce intrapartum fetal monitor - fetatrack 21T
Ultrasound Technologies introduce small bi-directional vascular doppler
Ultrasound Technologies design the worlds smallest fetal monitor for Healthdyne Perinatal Systems inc
Ultrasound Technologies is formed by the technical director of Seward Medical.
Seward Medical purchase Wakeling Medical.
Wakeling introduce AFM210 and FM260 fetal monitors
Wakeling move to new headquarters in South Wales
Wakeling moves design and manufacturing operations to South Wales
Wakeling introduces FM210 antenatal fetal monitor
Wakeling introduces PD120 range of pocket fetal and vascular dopplers
Wakeling introduce the first fully digital fetal monitor using correlation signal detection. FM180
Wakeling designed and manufacured portable fetal dopplers