发明名称 KEYCHAIN SPEAKER
摘要 A speaker has a speaker body of a generally cubical shape of a small keychain size of under eight cubic inches in volume. An upper rim is formed on the speaker body which has an upper rim inside surface sized to receive a standard sized plastic bottle. Internal speaker components are housed within the speaker body. An audio input provides audio signal to the speaker. A plurality of threads have small annular threading grooves and protrusions and are sized for engaging with a standard sized plastic bottle. The plurality of threads are circularly deposed and are within the bounds of the upper rim inside surface. The speaker has a front flat sidewall and a rear flat sidewall. A medium annular rim is located within the bounds of the upper rim inside surface. The medium annular rim is sized to engage with a standard sized plastic bottle.
申请公布号 US2011280431(A1) 申请公布日期 2011.11.17
申请号 US20100781452 申请日期 2010.05.17
申请人 HO SHU MING 发明人 HO SHU MING
分类号 H04R1/02 主分类号 H04R1/02
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