Chip Antenna Frequency Adjustment via Variable Conductors
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Solution Overview
Problem
Existing chip antennas require complex external adjustment circuits to adjust communication frequencies, making them difficult to manufacture and limiting their ability to handle multiple frequencies effectively.
Innovation Solution
A chip antenna design featuring a first and second electrode with corresponding antenna conductors surrounded by an insulator, allowing for easy adjustment of communication frequency by varying the length and configuration of the antenna conductors, which can operate at predetermined frequencies and handle multiple frequencies without the need for external adjustment circuits.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If an external adjustment circuit such as a chip inductor is used to adjust communication frequency, then the communication frequency can be adjusted, but the circuit configuration becomes complicated and manufacturing becomes difficult
Solution Approach 1:
The patent merges the frequency adjustment function directly into the antenna conductor structure by providing a variable-length antenna conductor that can be configured in multiple states. This eliminates the need for separate external adjustment circuits like chip inductors, thereby simplifying the overall circuit configuration while maintaining frequency adjustment capability.
Solution Approach 2:
The patent implements a dynamic antenna conductor with variable length that can be switched between different configurations. This dynamic structure allows the antenna to adapt its electrical length for different communication frequencies without requiring additional static adjustment components, thus reducing device complexity.
2Volume of moving object
If the antenna conductor is provided in the dielectric material to achieve wavelength shortening effect, then the antenna size is reduced, but the communication frequency becomes dependent on surrounding case and substrate material properties
Solution Approach 1:
The patent segments the antenna system into distinct components: the antenna conductor and the dielectric member, with the conductor extending beyond the dielectric boundaries. This segmentation allows the antenna conductor's effective length to be determined primarily by its own geometry rather than being constrained by the dielectric material dimensions, reducing dependence on surrounding case and substrate properties.
Solution Approach 2:
The patent extends the antenna conductor in a direction extending from the dielectric member, utilizing the spatial dimension outside the dielectric boundaries. This dimensional extension allows the antenna to achieve its required electrical length without being confined to the dielectric volume, thereby maintaining frequency stability independent of surrounding materials while keeping the overall structure compact.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables precise and easy adjustment of communication frequencies, simplifying the manufacturing process and allowing the chip antenna to effectively handle multiple frequencies, while preventing electromagnetic coupling between antenna conductors.
Implementation Method 1
An insulator material surrounds the first electrode, the second electrode, the first antenna conductor, and the second antenna conductor
Data Source
AI summary
According to one embodiment, a chip antenna comprises a first electrode, a second electrode spaced from the first electrode, a first antenna conductor connected to the first electrode and the second electrode, and a second antenna conductor connected to at least one of the first electrode and the second electrode. An insulator surrounds the first electrode, the second electrode, the first antenna conductor, and the second antenna conductor.