Elmos gesture control technology dominates the automotive electronics arena. Up to now, the products using this solution have been mass-produced in the car, and the chip shipments have reached a million-level.
Imagine, by abandoning the traditional mechanical switches and buttons, you can control the on/off of the car audio and video system, the volume adjustment and the interaction with the navigation system with a simple gesture, or the lifting and controlling of the window through similar gestures. This is one of the many pursuits that many automakers have been pursuing today, implementing a new contactless gesture recognition system in in-vehicle entertainment and comfort systems. Fortunately, this new concept has been implemented in a number of car concept cars and presented to users at the CES (Casino Electronics Show) show in Las Vegas.
The technical difficulty of this new concept is now completely a problem. One of the most important features of gesture recognition is to provide driving comfort while allowing the driver to focus on the ever-changing road conditions and avoid unexpected situations. Of course, whether new products can be fully popular depends on whether users of all ages can directly and effectively mediate and control in-vehicle entertainment and navigation systems.
In terms of functions, Elmos provides a solution called HALIOSTM, which can meet the challenges brought by all automotive electronic application environments, especially when the product is working without external ambient light. Ability to maintain functional consistency in environments with rapidly changing temperatures. In addition to these features, even if the surface of the control panel is scratched or covered with dust, the system can be automatically calibrated, allowing the user to control anytime, anywhere. The only goal of all of these features is to make the user's control more intuitive and to ensure that the driver has a focus on the road ahead.
Specific to the implementation of the program mainly through two chips E909.06 and E909.07. E909.06 is a sensor chip based on optoelectronic technology and built-in 16-bit microcontroller. It enables contactless gesture recognition and system. The E909.07 is a high-performance, high-sensitivity transimpedance amplifier that has greatly improved the distance of the E909.06 gesture recognition. The elmos gesture recognition scheme HALIOSTM recognizes one-dimensional proximity gestures, simple two-dimensional and three-dimensional gestures.
In principle, the EAMI.06 Photoelectric Sensor System-HALIOSTM (High Ambient Light Independent Optical System) first emits modulated infrared light, and then reflects it back to the photodiode through an external object (such as a gesture). The optical signal is converted into an electrical signal and compared with the signal of another compensating tube and transmitted to the chip. E909.06 then recognizes the change of the external gesture according to the changing trend of the signal and the amount of change. The biggest feature of this solution is that it is not interfered by external ambient light, and can realize self-calibration function, eliminating interference due to scratches, dust, etc. on the sensor surface.
In addition to the photoelectric sensors, the E909.06 uses the same principles and methods and can also be used in capacitive sensor applications.
Main features of E909.06
Based on HALIOSTM optoelectronic technology
Supports up to 4 LED emitter tubes, and 1 channel compensation and 1 differential receiver for multiple sensor applications
Built-in 16-bit microcontroller, EL16 core and debug interface
1.5Kx18 (3kByte) SRAM, including 2-bit parity and byte write operations for every 16 bits.
30Kx22 (60Kbyte) flash
6-bit checksum for every 16-bit word
Support SPI and I2C communication interface
Built-in watchdog, 32-bit timer, most supports 8-way GPIO
Internal structure block diagram:
About Almers Semiconductor
Founded in 1984, Elmos Semiconductor (elmos) has long been committed to the development and production of system solutions based on semiconductor technology, with rich technical resources and design experience. The technical field covers the fields of mixed signal technology, motor control technology, sensing, and optoelectronic technology, and can provide tailor-made product design services for users. Products are mainly used in automotive, industrial control, medical equipment, security systems and other fields.
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