Dielectric Battery Holder Integrating Antenna Radiating Arm
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Solution Overview
Problem
The challenge is to reduce the size of wireless devices while maintaining efficient antenna and battery performance, as existing technologies struggle to integrate these components due to size constraints and interference issues, leading to a need for compact and efficient design solutions.
Innovation Solution
A combined compact battery holder and antenna apparatus using a dielectric battery holder that supports a conductive antenna element, maintaining a constant height and spacing, allowing for a more compact design by integrating both functions into a single component.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the battery and antenna are mounted separately on a PCB to maintain performance, then antenna radiation pattern and battery function are preserved, but device size increases and component integration is reduced
Solution Approach 1:
The patent combines the battery holder and antenna support structure into a single integrated component. The battery holder is configured to hold the battery while simultaneously supporting the antenna at a controlled height above the ground plane, eliminating the need for separate mounting structures and reducing overall device volume.
Solution Approach 2:
The battery holder structure serves multiple functions: it holds the battery in place, supports the antenna element at a precise height, provides mechanical mounting, and maintains proper spacing between the battery and antenna. This multi-functional design reduces the number of components needed while maintaining performance.
2Reliability
If the antenna is kept far from the battery to avoid interference, then radiation pattern is maintained, but device compactness is reduced
Solution Approach 1:
The dielectric battery holder acts as an intermediary structure between the battery and antenna. It provides controlled support and maintains precise spacing, allowing the antenna to be positioned close to the battery while still maintaining the required height above the ground plane for proper radiation characteristics.
Solution Approach 2:
The patent controls the critical parameter of antenna height above the ground plane through the physical structure of the battery holder. By maintaining consistent dimensional parameters in the holder design, the antenna's resonant frequency and radiation pattern are stabilized even when the overall device size is reduced.
3Ease of manufacture
If the horizontal arm height is not well controlled, then manufacturing is easier, but resonant frequency drifts and impedance matching degrades
Solution Approach 1:
The battery holder is pre-configured with built-in structural features that automatically maintain the correct antenna height above the ground plane. This preliminary structuring eliminates the need for complex adjustments or tight tolerances during assembly, as the holder itself enforces the required dimensional relationships.
Solution Approach 2:
The battery holder structure self-regulates the antenna positioning through its own geometry. The physical dimensions and configuration of the holder automatically maintain the required height control, eliminating the need for external adjustment mechanisms or complex manufacturing processes to achieve precise height control.
Data Source
AI summary
A combined, compact battery holder and antenna apparatus. The combined, compact battery holder and antenna apparatus includes a dielectric battery holder and a conductive antenna element having a radiating arm that is supported by the dielectric battery holder. When mounted on a printed circuit board (PCB), the dielectric battery holder maintains the radiating arm of the conductive antenna element at a constant height above a ground plane on the PCB. The compact, combined battery holder and antenna apparatus may be beneficially adapted and configured for use in a variety of electronic devices including, for example, wireless headsets or headphones, cellular communications devices, personal digital assistants (PDAs), and may be adapted and configured to operate according to various types of wireless technologies such as Bluetooth, Wi-Fi and cellular wireless technologies.