Photoreceptor circuit switchable between operating modes
US6727488B2 · kind B2 · utility
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2References
2Claims
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Assignee
Inventors
Key dates
| Filing date | Jun 26, 2001 |
| Grant date | Apr 27, 2004 |
| Priority date | — |
| Expiry date | Feb 10, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01V8/12
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Photoreceptor circuit provided with a component, the photoreceptor surface comprising a first area able to operate in reflex mode and a second area with analog detection of position able to operate in proximity mode.The first area Z1 is a photodiode area with an output Al and the second area Z2 is a PSD type area provided with a close output A2 and a remote output A3, wherein a switch I1 connects either the A1 output in reflex mode or output A2 in proximity mode, to a processing circuit 12.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.