Vehicle rearview mirror system with protocol detection
First Claim
1. An automatic dimming vehicle mirror system, said mirror system comprising:
- an automatic dimming mirror assembly, said mirror assembly comprising automatic dimming circuitry;
said automatic dimming circuitry comprising a mirror control and at least a first silicon-based photo sensor and a second silicon-based photo sensor;
said first silicon-based photo sensor being sensitive to both visible light and infrared light;
said second silicon-based photo sensor being sensitive principally to infrared light; and
said mirror control distinguishing headlamp sources from non-headlamp sources by a ratio of a signal indicative of light detected by said first silicon-based photo sensor to a signal indicative of light detected by said second silicon-based photo sensor.
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Abstract
An automatic dimming vehicle mirror system includes an automatic dimming mirror assembly having automatic dimming circuitry. The automatic dimming circuitry includes a mirror control and at least a first silicon-based photo sensor and a second silicon-based photo sensor. The first silicon-based photo sensor is sensitive to both visible light and infrared light. The second silicon-based photo sensor is sensitive principally to infrared light. The mirror control distinguishes headlamp sources from non-headlamp sources by a ratio of a signal indicative of light detected by the first photo sensor to a signal indicative of light detected by the second photo sensor.
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Citations
30 Claims
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1. An automatic dimming vehicle mirror system, said mirror system comprising:
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an automatic dimming mirror assembly, said mirror assembly comprising automatic dimming circuitry; said automatic dimming circuitry comprising a mirror control and at least a first silicon-based photo sensor and a second silicon-based photo sensor; said first silicon-based photo sensor being sensitive to both visible light and infrared light; said second silicon-based photo sensor being sensitive principally to infrared light; and said mirror control distinguishing headlamp sources from non-headlamp sources by a ratio of a signal indicative of light detected by said first silicon-based photo sensor to a signal indicative of light detected by said second silicon-based photo sensor. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. An automatic dimming vehicle mirror system, said mirror system comprising:
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an automatic dimming mirror assembly, said mirror assembly comprising automatic dimming circuitry; said automatic dimming circuitry comprising a mirror control and at least a first photo diode sensor and a second photo diode sensor; said first photo diode sensor being sensitive to both visible light and infrared light; said second photo diode sensor being sensitive principally to infrared light; and said mirror control distinguishing headlamp sources from non-headlamp sources by a ratio of a signal indicative of light detected by said first photo diode sensor to a signal indicative of light detected by said second photo diode sensor. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. An automatic dimming vehicle mirror system, said mirror system comprising:
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an automatic dimming mirror assembly, said mirror assembly comprising automatic dimming circuitry; said automatic dimming circuitry comprising a mirror control and at least a first light-to-frequency photo sensor and a second silicon-based light-to-frequency photo sensor; said first light-to-frequency photo sensor being sensitive to both visible light and infrared light; said second light-to-frequency photo sensor being sensitive principally to infrared light; and said mirror control distinguishing headlamp sources from non-headlamp sources by a ratio of a signal indicative of light detected by said first light-to-frequency photo sensor to a signal indicative of light detected by said second light-to-frequency photo sensor. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28, 29, 30)
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Specification