The cell is a “smart” battery it has active electronics to monitor and control the charge and discharge.
#Philips mp3 player Patch
The Li-ion battery cell has a braided metal patch for RFI interference.ĥ. That and the Kapton tape assembly makes the whole battery needlessly expensive.Ĥ. The battery cell itself seemed complex and expensive since it had chips and components to control and monitor its charging and discharging (Fig. There was a little braided patch on the battery to make an RF connection to the battery cell (Fig. The plastic case must not have been carbon- or metal-filled for RFI (radio-frequency interference). The cover seems redundant since it covers more chromed plastic. Appearance was more important than function to the design team.ģ. It seems like a waste of money to glue a brushed plastic cover over a chromed plastic frame. The cover just hides more chromed plastic (Fig. The flash memory still worked fine after all these years. The prismatic Li-ion cell is not a common size. The failure of my unit was it would not accept or hold a charge. It makes service difficult, and you’re always afraid of breaking things. The first problem is that the unit is glued together (Fig. This product did nothing to improve my opinion. I was not impressed by their design prowess. I had worked with Philips engineers on DVD players when I was at National Semiconductor. It’s got six equalizer presets no one ever uses, and an FM radio no one ever uses. The Philips GoGear MP3 player introduced in 2007. Its USB port is the old slow USB 1.0 speed. It’s rechargeable, so you can’t just buy a AAA battery at the airport newsstand to keep it going. The display is hard to read and has silly little bubble animations instead of plain information on its OLED display. I got this Philips GoGear MP3 player at the Singapore airport back in 2007 (Fig.
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