to 3D Conversion. and content company, today announces that it has received notification of allowance from the Japan patent office of its key "Dynamic Depth Cueing" ("DDC") technology. Jamster Ringtones Data for Mobile Music Technologies, Market Characteristics &. stages of transition from a development company to a fully functional corporation bringing various products to market. We have achieved this in a short time frame of about ten months. Jamster Ringtones . Jamster Ringtones