At Sensors Expo 2018, Tatsuya Yuhara, from TDK Corporation demonstrates how to control a remote robotic arm with the company’s TAD2140 tunnel magnetoresistance (TMR) sensor. Following the arm and hand motion, the TMR sensor allows Yuhura to easily pick and place an object remotely. This kind of operation is common in hazardous operations where the […]
Magnetic sensor
What’s new in magnetic sensors?
At Sensors Expo, Wayne Seto, Senior Director of Product Marketing from Crocus Technology, discusses the company’s tunnel magnetoresistance (TMR) magnetic sensing technology. For sensing, TMR is used in number of different applications. Wayne demonstrated several digital latches with omnipolar (CT832DM), bipolar (CT852AN), unipolar (CT832EK, CT832BV, CT832SK and CT811DK) and analog (CT834DR) magnetics. For omnipolar sensing […]
How big is the magnetic sensing market?
Angle, position and current sensing, as well as compasses and even some switches, rely on magnetic sensors. While Hall-effect technology has been a dominant enabler of these sensors, so-called xMR or magnetoresistive/magnetoresistance technologies are playing an increasing role. The x can stand for anisotropic (AMR), giant (GMR) or tunnel (TMR). With these new technologies playing […]
What advanced sensing techniques are used to find lost treasures? Part 2: Electromagnetic induction
Part 1 of this series addressed magnetometry. Another sensing technique used by archeologists and treasure hunters to find objects is electromagnetic induction (EMI or EM). EMI sensing measures the change in mutual impedance between a pair of coils on or above the earth’s surface. Typical EMI instruments use two or more sets of coils, electrically […]
What advanced sensing techniques are used to find lost treasures? Part 1: Magnetometry
While “one man’s trash is another man’s treasure,” the same types of advanced sensing techniques are used both for investigating archeological sites that frequently reveal much about previous inhabitants from their garbage to true treasure hunts for gold, silver, lost gems and more. Among the more commonly used sensing techniques are magnetometry, electromagnetic induction (EMI […]
What types of sensors are used in robots? Part 2 of 2
In addition to the sensors identified in Part 1 of this blog, there are several others required for different types of robots. Chemical, light and color sensors enable the robot to evaluate, adjust and detect problems with its environment. For humanoid robots that can walk, run or even dance (like Dobi, made by Chinese company […]
How can you use a three-axis position sensor?
At Sensor Expo 2017, Nick Czarnecki, regional marketing manager from Melexis, demonstrates concepts for position sensing using the company’s MLX90393 Triaxis position sensor in human machine interface (HMI) applications that include rotation, push detection and controlling 3D motion with a joystick. The demo shows how a non-contacting rotating knob can set the absolute axis position […]
How can magnetic sensing control the flight of a drone?
At Sensor Expo 2017, Ali Alaoui, a field applications engineer from Crocus Technology, explains the use of his company’s Tunneling MagnetoResistance (TMR) sensing technology to control the flight of a drone. Crocus Technology’s patented TMR sensing technique employs a Magnetic Logic Unit (MLU) that enables ultra-sensitive magnetic sensors as well as highly robust secure embedded […]
Canfield Connector magnetic sensor adds reliability, safety, to machines and systems
Canfield Connector is introducing its Series CS Cylindrical Threaded Mount Sensor, which senses magnetism and triggers action in a variety of applications. The rugged and compact CS Sensor is set within a miniature-encapsulated stainless steel M8 threaded housing and performs effectively where greater sensing distance is required. “This sensor is valuable in any application where […]
Redundant, non-contact angle and distance measurement for mobile machines
In the field of mobile commercial vehicles, safety requirements are increasing, especially within the EU. This presents not only suppliers, but also manufacturers of vehicles, with new challenges. In order to make it as easy as possible for manufacturers to adapt to new requirements, the Buchenbach based firm SIKO GmbH has developed the MSK320R bearing-free […]