Prof. Dr. Marcel Meli

Work at ZHAW

Focus

• Head of Research Area: Low Power Wireless Embedded Systems
• Low Power Embedded Systems; Asynchronous microcontrollers; Low Power Memories
• Wireless Personal Area Networks (WPAN); Low Power Wide Area Networks (LPWAN); RFID and RFID Sensor Networks
• Energy Harvesting (e.g. TEG, Solar, Piezo, Electrodynamic, RF, Triboelectric)
• Applications of Printed Electronics; Wearables; Application of Spintronics

Teaching

• Computer Engineering
• Internet of Things (Wireless and Low Power)

Experience

• Lecturer; Head of Research Area
  ZHAW, Winterthur, CH
  1999 - today
• Development Engineer; Test and Design for Test for Integrated Circuits (Microcontrollers, Communication)
  Faselec/Philips Semiconductors, Zürich, CH
  1992 - 1999
• Development Engineer; Embedded Systems
  Studer-Revox, Regensdorf, CH
  1989 - 1992

Education and Continuing education

Education

• PhD / Electrical Engineering
  Universtity of Wales, Institue of Science and Technology, Cardiff, UK
  1985 - 1989
• Postgraduate Diploma / Electrical Engineering
  Universtity of Wales, Institue of Science and Technology, Cardiff, UK
  1984 - 1985
• Diplôme d’ingénieur / Option électronique,
  Ecole Polytechnique, Yaounde, Cameroon
  1980 - 1983

Network

Membership of networks

• Embedded World Conference, Nuremberg (Member of Program Committee)
• Wireless Congress, Munich: Systems and Applications (Member of Program Committee)

Awards

Best Paper Award
IEEE IDAACS-SWS 2020
09 / 2020

Projects

• Investigation of sensor for cryogenic applications / Project leader / ongoing
• Energy Harvesting on a Bike / Project leader / ongoing
• SUM - Low Power Monitoring / Project leader / completed
• Low Power Actuator / Project leader / completed
• Low-power Sensor / Project leader / completed
• Low-cost device for efficient cook stoves monitoring / Project leader / completed
• Smart Water Pipes / Project leader / completed
• AutonoMous self powered miniAturized iNtelligent sensor for environmental sensing anD asset tracking in smArt IoT environments / Project leader / completed
• Improved LPWAN / Project leader / completed
• Harvesting energy from cyclist heat to power a wireless embedded system on a bike / Project leader / completed
• EH demonstrator for Matrix Industries / Project leader / completed
• StereO2 – Low-power optical oxygen sensor / Team member / completed
• Car sharing system / Project leader / completed
• Battery-less energy source for standard Wireless Embedded Systems / Project leader / completed
• Wireless Digital Signage using E-Paper / Team member / completed
• Energy self-sufficient measurement system for leak detection in buried water pipes / Team member / completed
• Mobile phone-based object finder using energy scavenging to power misplaced objects / Project leader / completed
• User-friendly health logger with wireless links and increased energy autonomy / Team member / completed
• Feasibility study: Investigation of the use of the Dynapic Piezo as energy harvesting source for embedded wireless systems / Project leader / completed
• Self-powered wireless remote controller for consumer electronic (PULPP2) / Project leader / completed
• Feasibility study: Electronic on line door lock cylinder integrating a wireless link / Project leader / completed
• Feasibility Study: Investigation of a new, innovative and universal power management concept for energy harvesters to be integrated in circuits used in wireless building automation (PULPP1). / Project leader / completed

Publications

• Böbel, Manuel; Frei, Fabian; Blumensaat, Frank; Ebi, Christian; Meli, Marcel Louis; Rüst, Andreas,

  2023.

  Batteryless sensor devices for underground infrastructure : a long-term experiment on urban water pipes.

  Journal of Low Power Electronics and Applications.

  13(2), pp. 31.

  Available from: https://doi.org/10.3390/jlpea13020031

• Meli, Marcel Louis; Favre, Sebastien; Maij, Benjamin; Stajic, Stefan; Boebel, Manuel; Poole, Philip John; Schellenberg, Martin; Kouzinopoulos, Charalampos S.,

  2023.

  Energy autonomous wireless sensing node working at 5 Lux from a 4 cm2 solar cell.

  Journal of Low Power Electronics and Applications.

  13(1), pp. 12.

  Available from: https://doi.org/10.3390/jlpea13010012

• Valdés Cambero, Eduardo Vicente; Meli, Marcel,

  2024.

  Communication through hermetic metal boundaries[paper].

  In:

  Proceedings of the 2024 Embedded World Conference.

  Embedded World Conference, Nuremberg, Germany, 9-11 April 2024.

  WEKA.

  pp. 124-127.

  Available from: https://doi.org/10.21256/zhaw-32770

• Meli, Marcel; Maij, Benjamin,

  2022.

  Energy autonomous LPWAN node for walls and bridges : 4 seasons results[paper].

  In:

  Wireless Congress 2022.

  Wireless Congress 2022 : Systems & Applications, Munich, Germany, 16-17 November 2022.

  WEKA.

  Available from: https://doi.org/10.21256/zhaw-26937

• Meli, Marcel; Kunz, Stefan,

  2022.

  Using new memory technologies to reduce the energy requirements of LPWAN nodes[paper].

  In:

  Sikora, Axel, ed.,

  Proceedings of Embedded World Conference 2022.

  Embedded World Conference, Nuremberg, Germany, 21-23 June 2022.

  WEKA.

  Available from: https://doi.org/10.21256/zhaw-26921

• Meli, Marcel; Stajic, Stefan; Wick, Stefan,

  2020.

  Powering Sigfox nodes with harvested energy[paper].

  In:

  Embedded World Conference 2020, Nürnberg, 25.-27. Februar 2020.

  WEKA.

  Available from: https://doi.org/10.21256/zhaw-20066

• Meli, Marcel; Brütsch, Manuel; Stajic, Stefan; Böbel, Manuel; Lorenz, David; Hegetschweiler, Lukas; Karanassos, Dimitris; Kouzinopoulos, Charalampos,

  2020.

  Low light energy autonomous LoRaWAN node[paper].

  In:

  Proceedings of the 2020 IEEE 5th International Symposium on Smart and Wireless Systems.

  2020 IEEE 5th International Symposium on Smart and Wireless Systems within the Conferences on Intelligent Data Acquisition and Advanced Computing Systems (IDAACS-SWS), Dortmund (online), 17-18 September 2020.

  IEEE.

  Available from: https://doi.org/10.1109/IDAACS-SWS50031.2020.9297089

• Meli, Marcel; Furter, Claudio; Karakostas, Konstantinos; Kouzinopoulos, Charalampos; Tzovaras, Dimitrios,

  2020.

  Low power LoRaWAN node based on FRAM microcontroller[paper].

  In:

  Proceedings of the 2020 IEEE 5th International Symposium on Smart and Wireless Systems.

  2020 IEEE 5th International Symposium on Smart and Wireless Systems within the Conferences on Intelligent Data Acquisition and Advanced Computing Systems (IDAACS-SWS), Dortmund (online), 17-18 September 2020.

  IEEE.

  Available from: https://doi.org/10.1109/IDAACS-SWS50031.2020.9297075

• Kouzinopoulos, Charalampos S.; Vujicic, Oskar; Tzovaras, Dimitrios; Bembnowicz, Pawel; Meli, Marcel; Bellanger, Mathieu; Kauer, Matthias; De Vos, Julien; Pasero, Denis; Schellenberg, Martin,

  2019.

  AMANDA : an autonomous self-powered miniaturized smart sensing embedded system[paper].

  In:

  2019 IEEE 9th International Conference on Consumer Electronics (ICCE-Berlin).

  9th International Conference on Consumer Electronics (ICCE), Berlin, Germany, 8-11 September 2019.

  IEEE.

  pp. 324-329.

  Available from: https://doi.org/10.1109/ICCE-Berlin47944.2019.8966223

• Meli, Marcel; Hegetschweiler, Lukas,

  2018.

  Harvesting energy from trees in order to power LPWAN IoT nodes[paper].

  In:

  Wireless congress proceedings.

  Wireless Congress 2018, Munich, 21-22 March 2018.

  Munich:

  WEKA.

  Available from: https://doi.org/10.21256/zhaw-18842

• Meli, Marcel; Brülisauer, Cornel; Bachmann, Philipp Mario,

  2017.

  Evaluating the performance of smartphones scanning for low energy beacons[paper].

  In:

  Proceedings of the Wireless Congress 2017 : Systems & Applications.

  Wireless Congress 2017, Munich, Germany, 15-16 November 2017.

  WEKA.

  Available from: https://doi.org/10.21256/zhaw-20064

• Meli, Marcel; Kräuchi, Raphael,

  2017.

  Limitations of current LP-WAN systems[paper].

  In:

  Proceedings of the Wireless Congress 2017 : Systems & Applications.

  Wireless Congress 2017, Munich, Germany, 15-16 November 2017.

  WEKA.

  Available from: https://doi.org/10.21256/zhaw-20065

• Meli, Marcel; Dillersberger, Harald,

  2014.

  Efficiently harvesting energy from temperature differences in order to power wireless systems[paper].

  In:

  Wireless Congress: Systems & Applications, Munich, Germany, 12-13 November 2014.

  ZHAW Zürcher Hochschule für Angewandte Wissenschaften.

  Available from: https://doi.org/10.21256/zhaw-7145

• Brütsch, Manuel; Brülisauer, Cornel; Widmer, Lukas; Kräuchi, Raphael; Truninger, Dominique; Meli, Marcel,

  2018.

  Comparing the energy requirements of bluetooth smart devices (November 2018)[paper].

  In:

  Wireless Congress Proceedings.

  Wireless Power Congress 2018, Munich, Germany, 21-22 March 2018.

  WEKA.

  Available from: https://doi.org/10.21256/zhaw-3163

• Meli, Marcel,

  2018.

  Energy harvesting : after the hype comes later success.

  elektroniknet.

• Meli, Marcel,

  2018.

  Energy harvesting : nach dem Hype kommt später Erfolg.

  Elektronik.

  2018(16).

• Alarcòn, Eduard; Carrara, sandro; La Rosa, Roberto; Manalo, Sherryl; Meli, Marcel; Paun, Maria-Alexandra; Urard, Pascal; Zysset, Christoph,

  2018.

  Low power wireless embedded systems.

  In:

  Coustans, Mathieu; Dehollain, Catherine, eds.,

  Power Management for Internet of Everything.

  Aalborg:

  River Publishers.

  pp. 233-264.

  Tutorials in Circuits and Systems.

• Meli, Marcel; Hegetschweiler, Lukas,

  2016.

  Affordable energy autonomous wireless sensor for day and night[paper].

  In:

  Embedded World Conference, Nuremberg, Germany, 23-25 February 2016.

  WEKA Fachmedien.

  Available from: https://doi.org/10.21256/zhaw-2001

• Gugg, Mathias; Brütsch, Manuel; Brülisauer, Cornel; Meli, Marcel,

  2016.

  Comparing the energy requirements of current bluetooth smart solutions (February 2016)[paper].

  In:

  Embedded World Conference, Nuremberg, Germany, 23-25 February 2016.

  WEKA Fachmedien.

  Available from: https://doi.org/10.21256/zhaw-1999

• Meli, Marcel; Rion, Olivier; Widmer, Lukas,

  2016.

  Easy and safe pairing for bluetooth smart[paper].

  In:

  13. Wireless Congress: Systems & Applications, Munich, 9-10 November 2016.

  WEKA Fachmedien.

  Available from: https://doi.org/10.21256/zhaw-1996

• Meli, Marcel; Bachmann, Philipp Mario,

  2016.

  Powering long range wireless nodes with harvested energy[paper].

  In:

  13. Wireless Congress: Systems & Applications, Munich, 9-10 November 2016.

  WEKA Fachmedien.

  Available from: https://doi.org/10.21256/zhaw-2000

• Meli, Marcel; Roth, Niklas,

  2015.

  Unmögliches möglich machen : LEDs als günstige Energiesammler für autarke Kleinstenergieverbraucher.

  Polyscope.

  2015(20).

  Available from: https://www.polyscope.ch/archiv/2015/20/unmoegliches-moeglich-machen/

• Meli, Marcel,

  2015.

  Bringing down the cost of energy harvesting powered bluetooth smart tags by using LEDs as energy scavengers[paper].

  In:

  Bluetooth Europe 2015, London, 15-16 September 2015.

• Meli, Marcel; Roth, Niklas; Gutzwiller, Pius,

  2015.

  LEDs as cost-effective energy harvesters for IoT sensor nodes[paper].

  In:

  IDTechEx Conference, Energy Harvesting & Storage 2015, Berlin, Germany, April 2015.

• Meli, Marcel; Rion, Olivier,

  2015.

  Streaming speech and music using bluetooth low energy[paper].

  In:

  Embedded World Conference, Nuremberg, Germany, 24-26 February 2015.

  WEKA Fachmedien.

  Available from: https://doi.org/10.21256/zhaw-1997

• Meli, Marcel; Roth, Niklas; Gutzwiller, Pius,

  2015.

  Wireless sensing using LEDs as very low-cost energy harvesters[paper].

  In:

  Embedded World Conference, Nuremberg, Germany, 24-26 February 2015.

  WEKA Fachmedien.

  Available from: https://doi.org/10.21256/zhaw-1998

• Hegetschweiler, Lukas; Meli, Marcel,

  2014.

  Unten Standard – oben proprietär : eine Übersicht über verschiedene Embedded-Wireless-Technologien – Beitrag 6/6.

  Polyscope.

  2014(22).

• Meli, Marcel; Gutzwiller, Pius,

  2014.

  Proprietär oder doch lieber Standard? : eine Übersicht über verschiedene Embedded-Wireless-Technologien – Beitrag 3/6.

  Polyscope.

  2014(11).

  Available from: https://www.polyscope.ch/archiv/2014/11/proprietaer-oder-doch-lieber-standard/

• Bernegger, Jachen; Meli, Marcel,

  2014.

  Comparing the energy requirements of current Bluetooth Smart solutions[paper].

  In:

  Embedded World Conference, Nuremberg, Germany, 25-27 February 2014.

  WEKA Fachmedien.

  Available from: https://doi.org/10.21256/zhaw-2010

• Dündar, Dario; Hegetschweiler, Lukas; Meli, Marcel,

  2014.

  Traffic analyzer front-end for complex IEEE 802.15.4 applications[paper].

  In:

  European ZigBee Developers Conference 2014, Munich, Germany, 12-13 November 2014.

  WEKA Fachmedien.

  Available from: https://doi.org/10.21256/zhaw-2009

• Meli, Marcel,

  2013.

  Accelerometer-based wireless remote control powered with harvested energy[paper].

  In:

  Design & Elektronik Entwicklerforum, Munich, Germany, 9 October 2013.

  WEKA Fachmedien.

  Available from: https://doi.org/10.21256/zhaw-2011

• Meli, Marcel; Truninger, Dominique; Rüst, Andreas; Häring, Benjamin,

  2013.

  Bluetooth low energy everywhere : using the audio interface to bring Ble features to any smart phone[paper].

  In:

  Wireless Congress: Systems & Applications, Munich, Germany, 6-7 November 2013.

  München:

  WEKA.

• Meli, Marcel; Wuerth, Michael,

  2012.

  Advertising position with battery-less Bluetooth low energy[paper].

  In:

  Embedded World Conference, Nuremberg, Germany, 28 February - 1 March 2012.

  WEKA Fachmedien.

  Available from: https://doi.org/10.21256/zhaw-2019

• Meli, Marcel; Da Silva, Marcel,

  2011.

  Battery-less sensor nodes for 802.15.4/ZigBee wireless networks[paper].

  In:

  Wireless Congress: Systems & Applications, Munich, Germany, 9-10 November 2011.

  WEKA.

  Available from: https://doi.org/10.21256/zhaw-2018

• Meli, Marcel; Beerli, Urs,

  2011.

  Indoor battery-less temperature and humidity sensor for Bluetooth Low Energy[paper].

  In:

  Wireless Congress: Systems & Applications, Munich, Germany, 9-10 November 2011.

  WEKA Fachmedien.

  Available from: https://doi.org/10.21256/zhaw-2020

• Condrau, D.; Zimmerman, L.; Gysel, M.; Wuerms, M.; Meli, Marcel,

  2009.

  A touch and pair system for battery-free 802.15.4/ZigBee home automation networks[paper].

  In:

  3rd European ZigBee Developer's Conference, Munich, Germany, 30 June - 1 July 2009.

  WEKA Fachmedien.

  Available from: https://doi.org/10.21256/zhaw-2016

• Keller, Sven; Schweizer, Michael; Meli, Marcel,

  2009.

  Intelligent and passive RFID tag for identification and sensing[paper].

  In:

  Embedded World Conference, Nuremberg, Germany, 3-5 March 2009.

  WEKA Fachmedien.

  Available from: https://doi.org/10.21256/zhaw-2015

• Meli, Marcel,

  2009.

  Récolte d’énergie pour alimentation des réseaux personnels sans fil : plus d’autonomie, plus d’économies, plus d’écologie!.

  Bulletin: Fachzeitschrift und Verbandsinformationen von Electrosuisse und VSE.

  100(11), pp. 37-42.

  Available from: https://doi.org/10.21256/zhaw-2012

• Meli, Marcel; Bluem, Alex,

  2008.

  A battery-less switch for use in 802.15.4 / ZigBee applications[paper].

  In:

  2nd European ZigBee Developers' Conference, Munich, 24-25 June 2008.

  WEKA Fachmedien.

  Available from: https://doi.org/10.21256/zhaw-2014

• Benoît, David; Almer, Daniel; Würms, Martin; Meli, Marcel; Käser, Hans,

  2008.

  Asynchronous wake-up scheme for wireless light curtains[paper].

  In:

  5. Wireless Congress: Systems & Applications, Munich, 12-13 November 2008.

  WEKA Fachmedien.

  Available from: https://doi.org/10.21256/zhaw-2021

• Meli, Marcel; Blättler, Samuel; Gysel, Martin; Kunz, Valentin,

  2008.

  Bidirectional 868/915 MHz wireless module powered with energy harverster[paper].

  In:

  10th Wireless Technologies Congress, Bochum, 23-24 September 2008.

  Akademische Verlagsgesellschaft AKA.

  Available from: https://doi.org/10.21256/zhaw-2013

• Gysel, Martin; Meli, Marcel,

  2008.

  Connecting IEEE 802.15.4 / ZigBee devices in difficult physical Environments[paper].

  In:

  2nd European ZigBee Developers' Conference, Munich, 24-25 June 2008.

  WEKA Fachmedien.

• Meli, Marcel; Gysel, Martin; Würms, Martin,

  2007.

  Low cost solutions to pairing issues in IEEE 802.15.4 networks[paper].

  In:

  1st European ZigBee Developers' Conference, Munich, 18-20 June 2007.

  WEKA Fachmedien.

  Available from: https://doi.org/10.21256/zhaw-2022

• Künzli, Martin V.; Meli, Marcel,

  2007.

  Vom Gatter zu VHDL : eine Einführung in die Digitaltechnik.

  3. Auflage.

  Zürich:

  vdf Hochschulverlag.

  ISBN 978-3-7281-3125-6.

• Meli, Marcel; Gysel, Martin; Sommerhalder, Marc,

  2006.

  Using IEEE 802.15.4/ZigBee in audio applications[paper].

  In:

  Embedded World Conference, Nuremberg, Germany, 14-16 February 2006.

  WEKA Fachmedien.

  Available from: https://doi.org/10.21256/zhaw-2023

• Waldner, Joël; Meli, Marcel,

  2024.

  Energy autonomous wireless remote control (presenter).

  In:

  Embedded World Conference, Nuremberg, Germany, 9-11 April 2024.

• Meli, Marcel; Favre, Sebastien,

  2022.

  Harvesting energy in low light environments to power embedded systems.

  In:

  Wireless Congress 2022 : Systems & Applications, Munich, Germany, 16-17 November 2022.

• Meli, Marcel; Maij, Benjamin,

  2021.

  Battery-free LPWAN nodes for bridges and walls.

  In:

  Embedded World Conference 2021, online, 1.-5. März 2021.

• Meli, Marcel,

  2020.

  Achieving energy autonomy for LPWAN nodes.

  In:

  Proceedings of the Wireless Congress 2020 : Systems & Applications.

  Wireless Congress 2020 : Systems & Applications, virtual, 10-12 November 2020.

  München:

  WEKA.

• Meli, Marcel; Maij, Benjamin,

  2020.

  Autonomous wireless sensors for walls and bridges.

  In:

  Proceedings of the Wireless Congress 2020 : Systems & Applications.

  Wireless Congress 2020 : Systems & Applications, virtual, 10-12 November 2020.

  München:

  WEKA.

• Meli, Marcel,

  2020.

  The AMANDA project.

  In:

  Proceedings of the Wireless Congress 2020 : Systems & Applications.

  Wireless Congress 2020 : Systems & Applications, virtual, 10-12 November 2020.

  München:

  WEKA.

• Rion, Olivier; Meli, Marcel,

  2014.

  BLE compatible low power window sensor for energy management.

  In:

  swissT.meeting: Embedded Computing Conference, Winterthur, 1. Juli 2014.

• Meli, Marcel; Rion, Olivier,

  2013.

  Low power window detector for ZigBee home automation applications.

  In:

  7th European ZigBee Developers' Conference, Munich, Germany, 6-7 November 2013.

• Rion, Olivier; Meli, Marcel; Hutzler, Markus,

  2013.

  Emulating complex HF-RFID protocols for identity and sensing.

  In:

  swissT.meeting: Embedded Computing Conference, Winterthur, 27. August 2013.

• Bernegger, Jachen; Meli, Marcel,

  2013.

  Energieverbrauch von verschiedene Bluetooth Smart Varianten.

  In:

  swissT.meeting: Embedded Computing Conference, Winterthur, 27. August 2013.

• Meli, Marcel; Kizhakenath, Abhilash; Beerli, Urs,

  2013.

  Using Bluetooth Smart with energy harvesting.

  In:

  Embedded World Conference, Nuremberg, Germany, 26-28 February 2013.

• Meli, Marcel; Da Silva, Marcel,

  2012.

  Using FRAM in battery - less 802.15.4/zigBee applications.

  In:

  6th European ZigBee Developer's Conference, Munich, Germany, 27-28 June 2012.

• Doran, Hans; Meli, Marcel,

  2009.

  Verbesserung autonomer Roboternavigation mit RFID basierten Pheromonen.

  In:

  11th Wireless Technologies Congress, Stuttgart, Deutschland, 29.-30. September 2009.

Publications before appointment at the ZHAW

• Patent: US6657451, WO0140816 Method and integrated circuit arranged for feeding a test forcing pattern on a single shared pin of the circuit Inventor(s): MELI LOUIS MARCEL [CH] Applicant(s): KONINKL PHILIPS ELECTRONICS NV [NL]
• Patent: US6728900, WO0120455, EP1129408 Microcomputer with test instruction memory Inventor(s): MELI LOUIS MARCEL [CH] Applicant(s): KONINKL PHILIPS ELECTRONICS NV [NL]
• Patent: US7155597 Data processing device with aliased data pointer register Inventor(s): MELI LOUIS M [CH] Applicant(s): NXP BV [NL]

Patents and patent applications

• Kouzinopoulos, Charalampos; Ioannidis, Dimosthenis; Tzovara, Dimitrios; Schellenberg, Martin; Poole, Philip John; Meli, Marcel,

  2025.

  System and method of energy management and saving via controlled power disconnection of smart sensor nodes and embedded systems.

  Patent number GR1010842 B

  (2025-01-08)

  .

  Available from: https://worldwide.espacenet.com/patent/search?q=pn%3DGR1010842B

• Duetschler, Urs; Meli, Marcel,

  2024.

  Signal forwarding method for a building management system.

  Patent number WO2024175600 A1

  (2024-08-29)

  .

  Available from: https://worldwide.espacenet.com/patent/search?q=pn%3DWO2024175600A1

• Meli, Marcel; Duetschler, Urs; Maij, Benjamin,

  2024.

  Wakeup-signal forwarding method for access enforcement point(s) and access control systems.

  Patent number WO2024175606 A1

  (2024-08-29)

  .

  Available from: https://worldwide.espacenet.com/patent/search?q=pn%3DWO2024175606A1

• Meli, Marcel; Dündar, Dario; Koller, Stefan,

  2020.

  Handgriffeinheit.

  Patent number DE102019125080 A1

  (2020-03-19)

  .

  Available from: https://worldwide.espacenet.com/patent/search?q=pn%3DDE102019125080A1

• Matter, Dieter; Mumenthaler, Sven; Meli, Marcel,

  2016.

  Mensch-Maschine Schnittstelle und Verfahren zum Ändern einer visuellen Markierung einer Schaltfläche einer Mensch-Maschine-Schnittstelle.

  Patent number EP3018826 A1

  (2016-11-05)

  .

  Available from: https://worldwide.espacenet.com/patent/search?q=pn%3DEP3018826A1

• Matter, Dieter; Meli, Marcel; Sivasubramaniam, Venkatesh; Cartmann, Thomas; Hutzler, Markus; Kizhakenath, Abhilash,

  2013.

  Piezoelectric signal generator.

  Patent number EP2636083 A1

  (2013-09-11)

  .

  Available from: https://worldwide.espacenet.com/patent/search?q=pn%3DEP2636083A1

• Koller, Philippe; Meli, Marcel; Gysel, Martin; Wuerms, Martin,

  2011.

  Wireless, self-contained remote control.

  Patent number EP2363845 A1

  (2011-09-07)

  .

  Available from: https://worldwide.espacenet.com/patent/search?q=pn%3DEP2363845A1

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