Alarm clock provided with means for control of buzzing and other

Details Alarm clock provided with means for control of buzzing and other Alarm clock provided with means for control of buzzing and other

1998-12-21

1999-07-06

Miska, Vit

Horology: time measuring systems or devices

Signalling means

Time condition responsive

368262, G94B 2300

Patent

active

059205253

ABSTRACT:
An alarm clock is composed of a housing provided with a chamber, a machine core located in the chamber, a loud speaker located in the chamber, an opening and closing device having at least one door, a magnet and an arresting rod, a touch control set connected with a circuit unit disposed in the chamber, a magnetic sensor disposed in the housing such that the magnetic sensor is opposite to the magnet of the opening and closing device. The magnetic sensor has a relay connected with the circuit unit, and an electromagnet disposed in the relay. The alarm clock is further composed of an action member which is provided at one end thereof with a pivot and at other end thereof with a magnet which is capable of moving to be corresponding in location to the magnetic sensor at the time when the action member turns around the center of the pivot.

REFERENCES:
patent: 4449833 (1984-05-01), Montgomery
patent: 4747087 (1988-05-01), Sakuma
patent: 5229982 (1993-07-01), Kuo
patent: 5757732 (1998-05-01), Kuo

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