SONY ERICSSON MOBILE COMMUNICATIOS AB
SONY ERICSSON MOBILE COMMUNICATIOS AB Patent applications | ||
Patent application number | Title | Published |
---|---|---|
20090205582 | MOBILE DEVICE DOG WHISTLE - A mobile device, upon user selection and actuation, transmits an ultrasonic frequency signal into the area surrounding the mobile device, at a signal intensity capable of being heard by animals present in such area, whereby the transmitted ultrasonic signal is suitable for use as a defense measure and, alternately, as a training measure for animals present in the transmission area. | 08-20-2009 |