Timer device for use in an audio/visual presentation

A time tracking device comprising:

• a time display device incorporated into a portion of a light stage of an overhead projector, the light stage positioned in a housing surface of the projector and including usable space for the displaying of images, wherein the time display device displays a readout, wherein the readout of the time display device is capable of being projected by a light source from within a housing of the projector, and wherein the light source emits light that directly passes through the time display device;
• a control pad incorporated into a housing of the projector, wherein the control pad controls the readout and the functions of the time tracking device;
• and
• a power source, wherein the power source supplies power to the control pad and display device.

An overhead projector incorporating a time tracking device comprising:

• a housing surface, wherein the housing surface comprises a light stage for the displaying of images;
• a time display device incorporated into the portion of a light stage of the overhead projector, wherein the time display device displays a readout, wherein the readout of the time display device is capable of being projected by a light source from within a housing of the projector, and wherein the light source emits light that directly passes through the time display device;
• a control pad incorporated into a housing of the projector, wherein the control pad controls the readout and the functions of the time tracking device;
• and
• a power source, wherein the power source supplies power to the control pad and display device.