Pollock, Vande Sande and Priddy
Neon sign control device
 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. 
Kabushiki Kaisha Sanyo Denki Seisakusho
Y H H
Y02B H05B H05B
additional inventional inventional
Teruyuki Hajime Shintetsu Yoshinori Isao
Yakuda Okada Amano Mizuhata Hori