Neon sign control device

Details Neon sign control device Neon sign control device

1985-04-01

1986-12-16

Dixon, Harold

Electric lamp and discharge devices: systems

Periodic switch in the supply circuit

Periodic switch in the primary circuit of the supply...

315 76, 315156, 315158, 40545, 40581, H05B 3702

Patent

active

046299467

ABSTRACT:
In a neon sign control device, a.c. power of an a.c. power source is connected to a neon transformer through an electronic switching element, a control signal from a control signal generator is supplied to a trigger circuit, the trigger circuit generates a trigger signal while the control signal is supplied, and the electronic switching element is rendered on by the trigger signal, whereby a.c. power is supplied to the neon transformer, and neon tubes connected to a secondary winding of the neon transformer are lit. A control unit composed of at least the electronic switching element and the trigger circuit is installed inside or outside of the transformer housing or disposed near the housing.

REFERENCES:
patent: 2877384 (1959-03-01), Gould
patent: 3411036 (1969-01-01), Casey
patent: 3483429 (1969-12-01), Engel et al.
patent: 3789211 (1974-01-01), Kramer
patent: 4087722 (1978-05-01), Hancock
patent: 4209728 (1980-01-01), Membreno

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