Patentable subject matter, i.e., a kind of subject-matter eligible for patent protection
Novel (i.e. at least some aspect of it must be new)
Non-obvious (in United States patent law) or involve an inventive step (in European patent law)
Useful (in U.S. patent law) or be susceptible of industrial application (in European patent law)
1. 加粒 digital isolation 是否"novel"? 即是否一個發明? 不算是, 等如第一個做廁所沖廁制的人是"發明", 個應用這沖廁制的人是"應用", 不是"發明"
2. 那加一粒 "digital isolation" 是否不明顯或有新發明成分? (Non-obvious or involve an inventive step)? 不算吧... 等於在AC電源上加粒電容也是obvious的行為. 第一個這樣個的或者算是...
3. 有無用或對音響業有無好影響? "Useful or be susceptible of industrial application" 呢點可能是有, 看 implementation.
我不是想踏師兄台, 只是想講, 如果人家做了 patent, 他一定加了一些創新在其中, 單單加粒 digital isolation 識揸辣雞的都會, 不可能過到專利局的.
claim down, you did nice share to us and I really enjoy the result from your DIY products (as I am newbie to Hifi). Kenneth did nice explanation on the definition of patent. Hope Ching have more innovative production on the Hifi components and can share with us.