Well, back in 2017, we had raised a bunch of money, I had this whole plan planned out, but it was extremely difficult because I was working with only contractors. Up until a few months ago, even. Until we raised our Series A [funding round, totaling $10 million and led by Upfront Ventures] we didn’t have any full-time employees except me. So what I did was broke apart the technology into its pieces. I had people working on the transmitter, and there are the electronics behind the transmitter, so I contracted people to create the electronics behind the transmitter. Then I did tons and tons of research to figure out, “What is the most powerful, in-air, ultrasonic transducer I can get?” There are a zillion different types of ultrasonic transducers. Most are made for medical purposes, like sonograms. Then there are people that have designed transducers for cars, like when you back up and you hear the “beep beep.” Then there are transducers you use underwater for sonar, like on a submarine. I needed to figure out which is the best transducer I can use that will beam power through the air. And of course, nothing had been created before that was even close.
在2017年的时候,我们融到了不少资金,我已经有了整个计划,但整个过程还是极为艰难的,因为当时我只能与承包商合作。甚至一直到几个月之前还是这样。一直到A轮融资结束(该公司获得了由Upfront Ventures公司领投的1000万美金),除了我自己以外,我们甚至连一名全职员工都没有。所以我只好把技术分成一块一块的。有人专门做发射机,发射机后面还有一些电子元件,所以我又跟人签了合同,让他们去做发射机后面的电子元件。然后我做了大量的研究,试图找出我能获得的最强大的超声波换能器。超声波换能器的种类数不胜数,大多数都用于医疗用途,比如超声波扫描。另外还有人设计了汽车用的超声换能器,比如倒车雷达。还有一些是用于水下定位的,比如潜艇用的那种。我需要确定哪种换能器是我需要的,也就是能够通过空气传递能量。当然,在此之前从来没有人做出过哪怕与它比较接近的东西。
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