optical sensor

optical sensor
оптический датчик

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  • Optical Sensor Wand —   A hand held input device for reading bar code data into a optical character reader …   International financial encyclopaedia

  • Electro-optical sensor — Electro optical sensors are those which convert the light rays in to electronic signal very similar to the photoresistor, these are applied in emergency lamps such that when there is light it is made to switch off and when there is no light it… …   Wikipedia

  • Optical fiber — A bundle of optical fibers A TOSLINK fiber optic audio c …   Wikipedia

  • Optical mouse — A wireless optical mouse An optical computer mouse or optic mouse uses a light emitting diode and photodiodes to detect movement relative to a surface, unlike a mechanical mouse which has a ball which rotates orthogonal shafts which drive chopper …   Wikipedia

  • Optical trackpad — An optical trackpad is an input device based on an optical sensor, which detects the displacement of a finger that is moving on top of it. It made by CrucialTec CO.,LTD. It s well known by RIM Blackberry series (Bold 9700, curve 8500 series,… …   Wikipedia

  • Optical power meter — in use An optical power meter (OPM) is a device used to measure the power in an optical signal. The term usually refers to a device for testing average power in fiber optic systems. Other general purpose light power measuring devices are usually… …   Wikipedia

  • Optical format — is a measure of the maximum diagonal size of an imaged object in the focal plane of an optical system. The diagonal size of the imaging sensor (film, CCD or CMOS chip etc.) and the optical format of the lens system must be matched. The optical… …   Wikipedia

  • Optical heterodyne detection — is an important special case of heterodyne detection. In heterodyne detection, a signal of interest at some frequency is non linearly mixed with a reference local oscillator (LO) that is set at a close by frequency. The desired outcome is the… …   Wikipedia

  • Optical tomography — Intervention MeSH D041622 Optical tomography is a form of computed tomography that creates a digital volumetric model of an object by reconstructing images made from light transmitted and scattered through an …   Wikipedia

  • Optical circulator — symbol An optical circulator is a special fiber optic component that can be used to separate optical signals that travel in opposite directions in an optical fiber, analogous to the operation of an electronic circulator. An optical circulator is… …   Wikipedia

  • Optical resolution — This article is about optical resolution in optics. For the method of separating enantiomers in chemistry, see Chiral resolution. Optical resolution describes the ability of an imaging system to resolve detail in the object that is being imaged.… …   Wikipedia


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