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This disclosure describes a mechanism for detecting and resetting switch positions, for energy savings and convenience to the sight-impaired.
English (United States)
This text was extracted from a PDF file.
This is the abbreviated version, containing approximately
54% of the total text.
Page 1 of 2
Energy Saving Sense-and-Control Switch Synchronization Apparatus
Figure 1 is a diagram of the conventional arrangement of the switch pair for controlling a light fixture.
As can be seen in the diagram, the circuit may be completed, i.e., the light is "on," when both switches are in the up or both are in the down position. Also, the circuit may be off if either switch is up while the other is down.
Figure 2 is a "green computing" solution for saving energy for use of a two-switch configuration for those who cannot directly observe whether the circuit is completed, e.g., the light is on, or not.
Switch Control - A
Switch Control - B
On - up
On - up
Switch Synchronization Controller
As shown in Figure 2, the circuit is completed or on, e.g. light fixture may receive electricity, only when both switches are in the up position. It is off if both switches are in the down position. The apparatus functions so as to assure that both switches are
Page 2 of 2
synchronized to the same position. The apparatus consists of two manually actuated switches. It also comprises mechanical relays for resetting the switches and sensors for sensing the position of each of the switches. If switch A is manually switched to the down position to break the circuit, the switch synchronization controller detects the position of both switches; if the two are not aligned, it automatically activates the switch that has not been changed, switch B, to have the same position as the switch t...