News Column

Patent Issued for Multispectral Sensor

September 10, 2014



By a News Reporter-Staff News Editor at Electronics Newsweekly -- According to news reporting originating from Alexandria, Virginia, by VerticalNews journalists, a patent by the inventors Thiel, Michael (Leonberg, DE); Kallmann, Ulrich (Tuebingen, DE); Kundermann, Stefan (Lausanne, CH); Mottin, Eric (Saint-Martin-le-Vinous, FR); Arnaud, Agnes (Saint-Jean-le-Vieux, FR), filed on May 29, 2009, was published online on August 26, 2014.

The assignee for this patent, patent number 8816282, is Robert Bosch GmbH (Stuttgart, DE).

Reporters obtained the following quote from the background information supplied by the inventors: "The electromagnetic spectrum in the range of the terahertz frequency band may provide information concerning the complex chemical composition of materials and the dielectric properties of objects. For this application, quite complex systems are currently used which contain pulsed laser sources, for example. Besides the complexity, a significant weakness of the available terahertz systems is that a measurement solely in the terahertz frequency band is not very meaningful, and often must be supplemented by simultaneous measurements in the visible or infrared frequency band. This is usually carried out by the simultaneous use of multiple detectors or detection systems which require a complex mutual optical alignment, which results in high costs for the overall system."

In addition to obtaining background information on this patent, VerticalNews editors also obtained the inventors' summary information for this patent: "An example multispectral sensor according to the present invention includes a complementary metal oxide semiconductor substrate having a switching circuit, at least one antenna-receiver means combination device for detecting terahertz radiation, at least one device for detecting mid-range infrared radiation, and at least one diode for detecting radiation in the visible to near-infrared range.

"The example multispectral sensor may have the advantage on the one hand that all components of the sensor may be operated at room temperature. The example sensor 1 according to the present invention therefore does not require cooling, in particular cryoscopic cooling. On the other hand, example sensor 1 according to the present invention has the advantage that various functions may be combined on a single component on the sensor, so that a single sensor is advantageously sufficient for managing complex detection applications. In addition, the complicated adjustment of various sensors is advantageously dispensed with, and only a single broadband, preferably reflective, optical system is required. The example sensor according to the present invention also advantageously allows simultaneous, in the ideal case real time, detection of electromagnetic radiation in the visible to near-infrared, mid-range infrared, and terahertz range. Furthermore, the example sensors according to the present invention may be manufactured at low unit production costs over the long term, which also allows use in mass-produced products."

For more information, see this patent: Thiel, Michael; Kallmann, Ulrich; Kundermann, Stefan; Mottin, Eric; Arnaud, Agnes. Multispectral Sensor. U.S. Patent Number 8816282, filed May 29, 2009, and published online on August 26, 2014. Patent URL: http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=1&f=G&l=50&s1=8816282.PN.&OS=PN/8816282RS=PN/8816282

Keywords for this news article include: Electromagnet, Electronics, Robert Bosch GmbH.

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Source: Electronics Newsweekly


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