Premium Loudspeakers: Engineering Sound for the World’s Finest Cars

From 2021 to 2022, Raúl Bartolomé directed Harman’s European engineering group for amplifiers and speakers, delivering premium loudspeaker systems for brands such as BMW, Audi, Daimler, Volvo, Volkswagen, and Aston Martin. His leadership combined acoustics, mechanics, and electronics expertise to create iconic sound experiences under Harman/Kardon, JBL, Infinity, Bowers & Wilkins, and Bang & Olufsen — reinforcing Harman’s position as the global leader in automotive audio.

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Analog and Digital Audio Amplifiers and Multimedia Products

From 2017 to 2020, Raúl Bartolomé led Harman’s European hardware engineering department, delivering advanced audio amplifiers and multimedia systems for brands such as BMW, Audi, Daimler, Volvo, Volkswagen, Aston Martin, and Ferrari. His leadership guided the development of multi-channel DSP amplifiers, Class D/AB output stages, tuners, and communication buses, enabling flagship systems like the BMW Bowers & Wilkins Diamond, Mercedes-Benz Harman Kardon, and Audi Bang & Olufsen sound systems.

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Brilliance Automotive Huasong 7 — A Complete E/E Vehicle Development

From 2013 to 2015, Raúl Bartolomé served as Resident Project Manager for Electrical/Electronic systems in Shenyang, China, during Magna Steyr’s complete vehicle development of the Brilliance Huasong 7 MPV. He coordinated between Magna Steyr Austria, Brilliance Automotive, and BMW, overseeing supplier integration, testing, and troubleshooting. The Huasong 7, launched in 2014 with BMW’s N20 turbo engine, became the first BMW-powered MPV in China and a milestone in Brilliance’s expansion into the premium segment.

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CISIUM, Inc. — Electrical, Electronic, and Software Development Services

From 2008 to 2015, Raúl Bartolomé co-founded and led CISIUM, Inc., an engineering services company based in the Philippines. The firm delivered electrical, electronic, software, and automation solutions to clients in automotive, industrial, medical, and consumer electronics. Raúl combined executive leadership with hands-on engineering, helping customers like Lear, Böning, and Surface Technology International gain multinational-level competitiveness through high-quality, cost-efficient development services.

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Electronic Cigarette MiD One with PC Application and Website Portal

Between 2012 and 2013, Raúl Bartolomé co-owned Janty, Ltd. and led the development of the MiD One — the first electronic cigarette to introduce programmable vaping profiles. The project combined hardware, firmware, a PC application, and a web portal into a patented ecosystem that gave users full control over voltage, power, and customization. As inventor and chief engineer, Raúl guided the complete system design, making the MiD One Janty’s flagship product and a landmark innovation later copied across the industry.

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Smart Bag, a Prototype Controlled with an Android Application

In 2012, Raúl Bartolomé and CISIUM, Inc. created the “Smart Bag,” a prototype that combined fashion with electronics and smartphone control. Using a custom module with RGB LEDs, Bluetooth, sensors, and an NXP microcontroller, the bag was controlled through a native Android app developed in Java. The proof of concept enabled features such as color control, theft alarms, and message notifications, anticipating the rise of wearable and connected fashion technology.

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Home Automation System with Wi-Fi Nodes and Wi-Fi Cameras Controlled by Website

In 2012, Raúl Bartolomé and CISIUM, Inc. developed a Wi-Fi-based home automation prototype that connected nodes, cameras, and controls through a web interface. Unlike ZigBee or proprietary solutions, the system leveraged standard Wi-Fi infrastructure, making it simple, affordable, and compatible with smartphones and tablets. As chief engineer, Raúl led the design of FlyPort-based nodes, firmware, and web integration, pioneering an early open-source smart home concept.

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PCBA for Lens Polishing Machine Haruchika HP-043

In 2011, Raúl Bartolomé and CISIUM, Inc. developed a modern replacement control board for the Haruchika HP-043 lens polishing machine, an obsolete industrial system no longer supported by its manufacturer. Designed around a Xilinx CoolRunner-II CPLD, the new PCBA replicated the original functionality while adding reprogrammability, robust noise-immune inputs, and upgraded power transistors. As project manager and chief engineer, Raúl led the architecture, VHDL design, and hardware implementation, extending the service life of critical industrial equipment.

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Mid Range RFID System

This is a customize solution for a mid range RFID. The purpose of this product is to detect and record automatically the attendance of field staff. For example it good be used construction workers in a construction area, home nurses add patient site, or field staff visiting any other customer site. The system consistent of a control unit mounted in the field and ID units that are worn by the field staff. Each ID unit has a unique Identifier. The system uses a proprietary protocol and registers ID, IN and OUT  timestamp of the field personal and passes the information to the internet to a data collector server for further processing. The main components of the system are Microchip PIC16F873, a RTC PCF8583 from NXP and the transceiver CC1100. It was done with SMD technology in a 2 layers PCB.

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Database with 6000 Electronic Part Numbers

This is a customize solution for a mid range RFID. The purpose of this product is to detect and record automatically the attendance of field staff. For example it good be used construction workers in a construction area, home nurses add patient site, or field staff visiting any other customer site. The system consistent of a control unit mounted in the field and ID units that are worn by the field staff. Each ID unit has a unique Identifier. The system uses a proprietary protocol and registers ID, IN and OUT  timestamp of the field personal and passes the information to the internet to a data collector server for further processing. The main components of the system are Microchip PIC16F873, a RTC PCF8583 from NXP and the transceiver CC1100. It was done with SMD technology in a 2 layers PCB.

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Communication Gateway for Medical Application

This is a customize solution for a mid range RFID. The purpose of this product is to detect and record automatically the attendance of field staff. For example it good be used construction workers in a construction area, home nurses add patient site, or field staff visiting any other customer site. The system consistent of a control unit mounted in the field and ID units that are worn by the field staff. Each ID unit has a unique Identifier. The system uses a proprietary protocol and registers ID, IN and OUT  timestamp of the field personal and passes the information to the internet to a data collector server for further processing. The main components of the system are Microchip PIC16F873, a RTC PCF8583 from NXP and the transceiver CC1100. It was done with SMD technology in a 2 layers PCB.

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Smart Junction Boxes for Various OEMs

Smart Junction Box (SJB) integrates passive junction box features with electronic module functionality. It uses microcontroller based technology to switch power and control vehicle body functions. SJB technology utilizes a total systems approach by optimizing and integrating control and power distribution functions into a single module. SJB replaces relays and fuses with solid state electronic drivers. These self-protecting devices improve quality and eliminate the need to service fuses and relays. SJB technology reduces weight and packaging size up to 80%. The engineered SJB from 2005 to 2009 consisted of combinations of electronic blocks of MCU, DC/DC converters, linear regulators, smart FETs, BJTs, CAN transceivers, etc. With single or multiple PCBs. In all cases, the designs had to pass very strict testing requirements defined by the OEMs and international standards.

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