Abstract: A dust particle detector comprised of one or more light beam emitters (10) and detectors (11), mounted on a hanging arm (50) which is attached to rear case (31). Enclosed in front case (30) and said rear case, a buzzer (4), battery (1), control potentiometer (5), switch (9) and electronic chips (2 and 3). After hanging the Filter Alert on the furnace filter, the light beam path soon becomes block with dust and dirt, which triggers the buzzer (4).
Type:
Application
Filed:
October 21, 2008
Publication date:
April 22, 2010
Applicant:
Sword Technologies Corp.
Inventors:
Suzanne Larson-Kolomyjec, Maunuel D. Seales
Abstract: An arrow with gripping claws around the head and a build-in high voltage electronic discharge apparatus for subduing and incapacitating humans and animals. When the plunger hits the target the said claws grab the target and deliver a high voltage charge that immobilizing it.