Timepiece
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United States of America Patent
Stats
-
Jun 17, 2003
Grant Date -
N/A
app pub date -
Mar 15, 1999
filing date -
Jul 18, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A watch unit having a time-displaying section, including a reflection-type polarizing film 14 disposed on an upper portion or a lower portion of the time-displaying section or a portion comprising a part of the time-displaying section, an optical modulation section which varies the ratio of a transmission axis to a reflection axis of the reflection-type polarizing film 14, and a shutter function to shield a portion of or all of the watch unit having the time-display section by varying the reflection intensity and the transmission intensity in relation to the light incident direction using the reflection-type polarinzing film 14 and the optical modulation section, to enhance the appearance and to improve the versatility of the watch unit.
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Cited Art Landscape
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