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Device and method for detecting phase and amplitude of electromagnetic waves

An electromagnetic wave and phase technology, applied in the direction of electromagnetic wave re-radiation, measurement devices, radiation control devices, etc.

Inactive Publication Date: 2005-01-12
鲁道夫·施瓦脱
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Problems can also arise with conventional PMD due to the fact that very distinct light-dark boundaries of objects are produced in the image

Method used

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  • Device and method for detecting phase and amplitude of electromagnetic waves
  • Device and method for detecting phase and amplitude of electromagnetic waves
  • Device and method for detecting phase and amplitude of electromagnetic waves

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Embodiment Construction

[0046] figure 1 Shown in the middle is a row of parallel vertical strips, in which the bright strips reproduce the photosensitive translucent modulating shutter, and the dark strips designated by the symbols 4 and 5 correspond to slightly opaque strips. Covered accumulation gate or read gate. The narrow and black vertical strips represent the separating surface of the insulating part between adjacent modulation shutters 1 and 2.

[0047] Here, the modulation shutters are distinguished by signs 1 and 2, because the modulation shutters marked with the same sign 1 are also modulated in a push-pull relationship, and are sequentially marked with the modulation of the sign 2 (which is the same relative to there). The potential of the shutter is modulated with the modulation shutter 1 in a push-pull relationship. The M in the lower part schematically represents the modulation circuit, specifically the modulation electronics and the wiring or terminal of the modulation power supply. fig...

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Abstract

The presented invention concerns an apparatus for detecting the phase and amplitude of electromagnetic waves, comprising at least two modulations photogates which are sensitive to the electromagnetic waves, and accumulating gates which are associated with the modulation photogates and which are not photosensitive, and electrical connections for the modulation photogates and the accumulation gates so that the latter can be connected to a reading-out device and the former can be connected to a modulating device which increases and reduces the potential of the modulation photogates relative to each other and relative to the preferably constant potential of the accumulation gates corresponding to a desired modulation function. It is proposed in accordance with the invention that a plurality of modulation photogates and accumulation gates are provided in the form of long narrow parallel strips which group-wise form a PMD-pixel.

Description

Technical field [0001] The present invention relates to a device and method for detecting electromagnetic waves (specifically, preferably in the optical and near-infrared and ultraviolet ranges), which is composed of: at least two modulated photogates that are sensitive (or photosensitive) to electromagnetic waves and An accumulation gate that is related to the modulation shutter but is not photosensitive or shielded, and the electrical connection used to modulate the shutter and the accumulation gate, so that the latter can be connected to the readout device and the former can be connected to the modulation device, Wherein the modulation device increases or decreases the potential of the modulating shutter, wherein the modulating shutters are cross-correlated and related to the preferred constant potential of the accumulation gate corresponding to the required modulation function. Background technique [0002] Such a device is obtained from German patent application numbers 1963...

Claims

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Application Information

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IPC IPC(8): H01L27/146G01J9/00G01S7/4914G01S17/894
CPCG01S17/89G01S7/4914H01L31/022408H01L31/02024G01J2009/006G01J9/00G01S17/894G01J9/04G01C3/08G01J9/02G02F2/002
Inventor 鲁道夫·施瓦脱
Owner 鲁道夫·施瓦脱
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