發明
美國
12/966,731
US 8,810,356 B2
具無線傳輸之資料緩衝裝置DATA BUFFER APPARATUS WITH WIRELESS TRANSMISSION FUNCTION
國立陽明大學
2014/08/19
本專利設計了一個無線資料緩衝器進行無線的資料傳輸,該資料緩衝器是由一個先進先出的記憶體為控制器,與無線發射硬體線路所構成,該資料緩衝器具備三種模式如表一。模式一為睡眠模式,就是當記憶體中沒有接收任何資料時,無線電會關閉,在這個時候整體線路幾乎不消耗任何電源,損耗電流在10 mAmp下。模式二為待命模式,當記憶體中接收來自監測器的資料後,本資料緩衝器會試著建立無線傳輸連結,在此時的電流消耗較睡眠模式為高,但仍控制在非常低的電流,如20 mAmp以下。模式三為資料傳輸模式,當無線傳輸連結成功建立後,本資料緩衝器即可以高速,將所收集到的資料透過無線傳輸傳到另一端之電腦或微控制器系統,在此時會有最高的耗電量,但由於資料傳輸的速度快,所以在這個階段的時間並不長,系統將資料傳輸完畢之後,又會再度進入模式一之睡眠模式。 We designed a wireless data buffering module for wireless data transmission in this patent. The buffering module which has three operation modes is composed a FIFO (first input first output) memory and a wireless transceiver circuitry. In the sleep mode, the radio will be closed to keep the system circuit from current loss (< 10 mAmp) when there is no data input. In the standby mode, as the memory receives the data input from the monitor, the buffering module will try to set up a wireless transmission bridge with a higher and well-maintained current consumption (< 20 mAmp). In the transmission mode, when the wireless transmission bridge is established, the buffering module can wirelessly transmit the collected data to a computer or microcontroller at a high transmission rate. The current consumption of this mode is the highest one, but the transmission time can be reduced by the high transmission rate. After completion of data transmission, the buffering module will enter sleep mode.
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