Switching device

Details Switching device Switching device

1996-12-06

1998-09-22

Leja, Ronald W.

Electrical transmission or interconnection systems

Switching systems

Condition responsive

307116, 324419, 335151, 335153, 362123, H01H 3600

Patent

active

058118969

ABSTRACT:
A switching device (10) for an electrical load, particularly for an electrical toy compraising a normally open reed switch (14) and a fixed biasing magnet (15) located at a distance from the glass tube (17) of the reed switch such that the magnetic strength of the biasing magnet in the area of the reed switch has value less than required for switching on of the reed switch and greater than required for switching off of the same switch.
The switch can be actuated--closed by applying to this switch an additional magnetic field the same orientation as the biasing magnetic field; the reed switch is closed and remains closed after removing the magnetic field.
This switch can be deactuated--opened by applying to the switch a magnetic field with orientation opposite to the orientation of the biasing magnetic field; the reed switch is opened and remains opened after removing the magnetic field.

REFERENCES:
patent: 3974469 (1976-08-01), Nicholls
patent: 3976962 (1976-08-01), Seeley
patent: 4210888 (1980-07-01), Holce
patent: 4825181 (1989-04-01), Nagano
patent: 4938730 (1990-07-01), Yamane
patent: 5118196 (1992-06-01), Ault et al.
patent: 5438869 (1995-08-01), Mueller et al.
Authors: Takao Yano, Chihiro Kawakita, Masaharu Yasuda, Kunio Hinohara Title: "Reed Switches", Publication of OKI Electric Industry, 1987; pp. 3-5, 6-34.

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