With battery self-rotating device
However, this is often performed by needle self-injection, which is not easy for patients under emergency conditions. Therefore, we propose an implantable device capable of on-dem … Implantable device with magnetically rotating disk for needle-free administrations of emergency drug Bioeng Transl Med. 2023 Feb 1;8(3):e10479. doi: 10.1002/btm2.10479. …
Implantable device with magnetically rotating disk for needle-free ...
However, this is often performed by needle self-injection, which is not easy for patients under emergency conditions. Therefore, we propose an implantable device capable of on-dem … Implantable device with magnetically rotating disk for needle-free administrations of emergency drug Bioeng Transl Med. 2023 Feb 1;8(3):e10479. doi: 10.1002/btm2.10479. …
Ring input device with variable rotational resistance
Patent: Ring input device with variable rotational resistance Patent PDF: 20230359291 Publication Number: 20230359291 Publication Date: 2023-11-09 Assignee: Apple Inc Abstract. A ring input device, and more particularly to variable rotational resistance mechanisms within the ring input device that modulate the rotational friction of a rotating outer …
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This is a device designed to do exactly what you describe - transmit power and/or signals to a rotating object. Generally, they work by having a rotating circular contact on one side and a spring-loaded pin which pushes against it on the other. They are not super reliable long term or in harsh conditions, but should be fine for your project ...
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A wearable noncontact free‐rotating hybrid …
Self-powerability is a new trend in the development of portable devices. Harvesting biomechanical energy to power personal information electronics is of great significance. In this work, we report a wearable …
A wearable noncontact free‐rotating hybrid nanogenerator for self ...
In this work, we report a wearable noncontact free-rotating hybrid nanogenerator (WRG), which is constituted by a triboelectric nanogenerator and an …
Mastering Automatic Watch Winders: A Beginner''s Guide
A watch winder is a device used to keep automatic or self-winding watches running when they are not being worn. Automatic watches have a movement that is powered by the motion of the wearer''s wrist, thanks to a …
7 Best Rotating Display Stands for 2023: Motorized 360° Turntable
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Self Running Fuelless Electrical Generator
These devices typically use renewable sources of energy such as solar, wind, or hydropower and convert them into electricity. Building a self-generating generator is possible, but it can be a complicated and expensive …
Design, modelling, and experimental validation of a self-rotating ...
To address such limitations, we propose a self-rotating FWR that combines the motor direct-drive technique and the unique flapping–rotating aerodynamic principles. The applied actuation technique has had a few successful attempts on traditional flapping wing systems [ 22, 23 ], yet it has rarely been studied on FWRs.
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A quantum battery with quadratic driving
ARTICLE A quantum battery with quadratic driving Charles Andrew Downing 1 & Muhammad Shoufie Ukhtary1,2 Quantum batteries are energy storage devices built using quantum mechanical objects, which
The 8 Best Auto-Tracking, Rotating Security Cameras …
I break these cameras down into indoor and outdoor auto-tracking cameras. Here, indoor cameras are consumer-grade devices meant for home security. The 8 Best Auto-Tracking, Rotating Security Cameras (2024) …
Application of triboelectric nanogenerator in self-powered motion ...
Triboelectric Nanogenerators (TENGs) have emerged as comprehensive solutions, furnishing self-sustaining, eco-conscious, and compact devices. Recognizing the …
Piezoelectric energy-harvesting devices for wearable self …
Specifically, there is a need to operate such devices continuously without inconvenience and provide additional functionality, and regular charging of batteries is limited in this aspect. Therefore, technologies that employ energy harvesting for self-contained electrical power generation are crucial. Ambient energy sources available for energy harvesting include …
Battery Pack Rotate Test Device
Battery Pack Rotate Test Device; Model: BE-8201-2500: BE-8201-3000: Rotation Angle-360°~+360°(adjustable) Rotate Speed: 1°/s—12°/s adjustable: Rotate Direction: X/Y axis automatic switching: Max.Test Space: W2500 X D2000X H1000mm: W3000 XD2000 X H1000mm: Max. Test Load: 1000KG: 2000KG: Max.Overall Dimension : W4650 X D2780X …
Rotation-control device for construction cranes with nested PID …
Recently, feasible schemes using automatic rotating hook devices have been proposed [[13], [14], [15]], showing that the hook can be controlled to rotate the load by driving a motor to generate an axial torque. For example, Lee et al. [14] developed a Rotation-controllable Tower-crane Hook-blocks (RTH) with gear to help the workers avoid contact with the load, …
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TENG-based self-powered device
The emergence of self-powered equipment has effectively avoided the drawbacks of using traditional batteries in electronic products, which energy harvesting device collects …
Rotating Machines and Electric Power Devices in PE Power
Examining rotating machines and power devices in the PE Power exam revealed crucial insights into their control, protection, and fundamental electrical-mechanical aspects. Integrated into principles like electromagnetic induction, Ohm''s Law, and energy conservation, these vital elements and devices play crucial roles in converting, safeguarding, …
A Self-Rotary Aerial Robot With Passive Compliant ...
To provide a practical and feasible solution, this work proposes a passive compliant variable-pitch mechanism on the self-rotary winged aircraft without requiring extra actuators. Depending on …
A wearable noncontact free‐rotating hybrid …
Self‐powerability is a new trend in the development of portable devices. Harvesting biomechanical energy to power personal information electronics is of great significance. In this work, we...
Requirements and Problems for a Sensored Rotating Device for …
It is not necessary to wait for a rehabilitation appointment if self-exercises prescribed by the physician can be performed as suggested in ... and its battery (I). The designed testbed with the sensored rotating crank in Fig. 5 meets the requirements in Figs. 2 and 3. It is a portable with a fairly simple assembly, fairly easy to use by a patient since write explain also …
ROTO-Q 360,The Worlds First Non Electric Self-Rotating …
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A Self-powered Rotating Paper-based Analytical Device
We firstly constructed a kind of self-powered rotating paper-based microfluidic chip and used it to detect thrombin. The integrated movable valve has the ability to control the fluid user-friendly ...
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Self-powered and self-sensing devices based on human motion
This paper overviews the state-of-the-art and recent progress in human-motion-based self-powered and self-sensing devices, where we classify the range of available energy sources, the energy conversion mechanisms, relevant materials, and novel device …
Engineers develop revolutionary, self-rotating, unpiloted aerial …
The UAV has a diameter of only 37.6 cm and a battery capacity of just 41 Wh. Despite its small size, this 1234-g UAV achieved a hover time of over 12 minutes. By removing the LiDAR sensor and installing a larger propeller and battery, the hover time of PULSAR can be extended to more than 40 minutes.