Devices, Systems, and Methods Regarding Camera Imaging
Certain exemplary embodiments can provide a system that can comprise a digital camera. The system can comprise an input/output (I/O) circuit adapted to be communicatively coupled to the digital camera. The I/O circuit can be adapted to transmit signals to the digital camera. The I/O circuit can be adapted to transmit signals from the digital camera.
1 . A system comprising:
a digital camera; and
an input/output (I/O) circuit adapted to be communicatively coupled to said digital camera, said I/O circuit adapted to transmit direct current signals of a positive polarity relative to ground, said I/O circuit adapted to transmit direct current signals of a negative polarity relative to ground, said I/O circuit comprising a bidirectional zener diode adapted to establish a voltage threshold of an input to said I/O circuit.
2 . The system of claim 1 , wherein:
said bidirectional zener diode is electrically coupled a pair of back-to-back current limiting diodes, said pair of back-to-back current limiting diodes adapted to determine a power dissipation of said I/O circuit.
3 . The system of claim 1 , wherein:
said bidirectional zener diode is electrically coupled with a threshold resistor, said threshold voltage established by said bidirectional zener diode and said threshold resistor.
4 . The system of claim 1 , wherein:
said I/O circuit comprises a thermistor, said thermistor adapted to limit a maximum power dissipation of said I/O circuit.
5 . The system of claim 1 , wherein:
said I/O circuit comprises a constant current diode, said constant current diode adapted to limit a maximum power dissipation of said I/O circuit.
6 . The system of claim 1 , wherein:
said I/O circuit is adapted to transmit an analog signal.
7 . The system of claim 1 , wherein:
said I/O circuit is adapted to transmit a signal of approximately 12 volts.
8 . The system of claim 1 , wherein:
said I/O circuit is adapted to transmit a signal of approximately 24 volts.
9 . The system of claim 1 , wherein:
said I/O circuit is adapted to transmit a bidirectional signal.
10 . The system of claim 1 , wherein:
said threshold voltage is approximately half of a reference voltage applied to said I/O circuit.
11 . The system of claim 1 , wherein:
power dissipated by said I/O circuit proportional to a voltage input to said I/O circuit.
12 . A system comprising:
a digital camera; and
an input/output (I/O) circuit adapted to be communicatively coupled to said digital camera, said I/O circuit adapted to transmit direct current signals of a positive polarity relative to ground, said I/O circuit adapted to transmit direct current signals of a negative polarity relative to ground, power dissipated by said I/O circuit proportional to a voltage input to said I/O circuit.
13 . An input/output (I/O) circuit comprising:
a bidirectional zener diode; and
a threshold resistor electrically coupled to said bidirectional zener diode, said bidirectional zener diode and said threshold resistor adapted to establish a threshold voltage of an input to said I/O circuit, said I/O circuit adapted to transmit direct current signals of a positive polarity relative to ground, said I/O circuit adapted to transmit direct current signals of a negative polarity relative to ground.