提问 HN：为什么没有贴合的法拉第 iPhone 手机壳？
13 分•作者: par_12•14 天前
我一直在研究隐私技术，注意到了一些奇怪的事情：
市面上存在摄像头滑盖手机壳（Spy-Fy 等）—— 它们可以物理遮挡摄像头，但无法提供信号屏蔽。
法拉第屏蔽袋也存在（SLNT、Mission Darkness 等）—— 它们可以屏蔽所有射频信号，但你必须把手机从手机壳里拿出来，放到袋子里。
但没有人制造出同时具备这两种功能的 iPhone 手机壳—— 一种可以一直套在手机上，并且可以随时开关的法拉第屏蔽罩，无需取出手机。
我花了一些时间做了市场调查，并制作了一份完整的概念方案，很乐意分享。 竞争空白似乎是真实存在的：
- 现有隐私手机壳市场：30-40 美元的摄像头滑盖手机壳
- 现有法拉第屏蔽袋市场：60-100 美元的屏蔽袋
- 集成双模式手机壳：定价可能在 149-249 美元
使用场景似乎很明显：那些希望随时随地获得全面隐私保护（摄像头 + 信号）的人，他们不想从手机壳里取出手机，再放到袋子里。
所以，我向 HN 社区提出的问题是：
为什么没有这种产品？
是因为：
- 工程上无法实现？（无法通过可部署的机制获得适当的射频密封？）
- 市场太小众？（对摄像头隐私和信号屏蔽有双重需求的人群太少？）
- 已经有人尝试过但失败了？
- 存在法律/监管问题？
- 我只是遗漏了一些显而易见的东西？
我并不打算开发这个产品（没有硬件经验），只是真心好奇为什么存在这个空白市场。
如果有人有兴趣深入研究，我很乐意分享完整的概念方案和市场分析。
谢谢！
查看原文
I've been researching privacy tech and noticed something odd:<p>Camera slider cases exist (Spy-Fy, etc.) - they block physical camera access but offer no signal protection.<p>Faraday bags exist (SLNT, Mission Darkness, etc.) - they block all RF signals but you have to remove your phone from its case and put it in a pouch.<p>But nobody makes a form-fitting iPhone case that integrates both - a case you leave on your phone with a deployable Faraday shield you can toggle on/off without removing the device.<p>I spent some time doing market research and built out a full concept deck I'd be happy to share. The competitive gap seems real:
- Current privacy case market: $30-40 camera sliders
- Current Faraday bag market: $60-100 pouches
- Integrated dual-mode case: Would sit at $149-249<p>The use case seems obvious: people who want on-demand full privacy (cameras + signals) without the friction of removing their phone from a case and putting it in a bag.<p>So my question for the HN community:<p>Why doesn't this exist?<p>Is it:
- Engineering impossible? (Can't get proper RF seal with a deployable mechanism?)
- Market too niche? (Demand overlap between camera privacy and signal blocking too small?)
- Someone tried and failed?
- Legal/regulatory issues?
- I'm just missing something obvious?<p>I'm not looking to build this (no hardware experience), just genuinely curious why this white space exists.<p>Happy to share the full concept deck and market analysis if anyone's interested in tearing it apart.<p>Thanks!