Devices, Systems, and Methods Regarding Camera Imaging

• US 20080278585A1
• Filed: 05/08/2008
• Published: 11/13/2008
• Est. Priority Date: 05/11/2007
• Status: Abandoned Application

• Current Assignee: Microscan Systems Inc (Omron Corporation)
• Original Assignee: Microscan Systems Inc (Omron Corporation)
• Inventors: Greenberg, Michael Philip
• Application Number:
  US12/117,021
• Publication Number:
  US 20080278585A1
• Time in Patent Office: Days
• US Class Current: 348/207.1
• CPC Class Codes: H04N 23/00 Cameras or camera modules comprising electronic image sensors; Control thereof
• CPC Class Codes: H04N 23/65 Control of camera operation in relation to power supply
• CPC Class Codes: H04N 23/66 Remote control of cameras or camera parts, e.g. by remote control devices
• CPC Class Codes: H04N 23/69 Control of means for changing angle of the field of view, e.g. optical zoom objectives or electronic zooming

Abstract

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.

Claims

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.