Novo Products, Inc.

Jon Smallegan

An automatic night light which will change its illumination in response to changes in the ambient light level. The circuit comprises an AC input with the lamp and a solid-state switch connected in series, a resistive voltage divider being connected across the solid-state switch and having series-connected fixed and light-sensitive resistors. The switch gate is connected to the voltage divider tap by a bidirectional conductor. The structure comprises a housing having circuit and lamp portions. The circuit portion has outlet prongs with bent-back ends, a circuit board being supported by notches in the housing and the prong ends. The housing also supports spring contacts which connect the circuit board to the lamp socket in a simple manner, with the light-sensitive device being easily mountable and firmly supported by the housing.

Automatic night light structure

A temperature control system for providing an automatic reduction in the temperature of a room or a house during the nighttime hours which requires only the conventional two conductor wiring between the furnace and the thermostat thereby avoiding the necessity of adding to or replacing the existing wiring between the furnace and the thermostat. The system includes a temperature responsive element, a heater near the temperature responsive element for providing supplemental heating of the element, a conventional furnace control, a clock-operated current control for the heater, and a diode steering circuit for directing one portion of an alternating current waveform through the heater current control and the heater, and another portion of the alternating current waveform through the temperature responsive element and the furnace control for providing independent control of the heater and the furnace control. The heater provides supplementary heating of the temperature responsive element during the nighttime hours to establish an apparent room temperature which is higher than the actual room temperature so that the thermostat element will lower the room temperature during the nighttime hours.

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Ann Arbor, MI, United States of America

Jon Smallegan