Electronic device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 11, 2004
Grant Date -
N/A
app pub date -
Nov 2, 2000
filing date -
Mar 11, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A device for reading information stored on an information disc (2), and perhaps for writing information to the disc (2) as well. The device includes at least one position switch (1) for recognizing the position of the information disc (2), each position switch (1) comprising at least two detection elements for detecting two reference points disposed along the circumference of a circle whose center corresponds to the center of the information disc (2) when it is in a reference position.
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