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US 2002/0054541 A1Published application
Time piece with changable color face
OwnerAlfred E. Hallinventor
Life of this patent
Estimating the term…
Abstract
A timepiece that has an LCD face that changes color when the time changes between the A.M. and the P.M. to provide a pleasing esthetic appearance to the user. Further, the timepiece may have a manual control such as a button that may be depressed to cause the LCD face to change to any one of several colors as desired by the user.
Claims17
A time piece comprising:
- a liquid crystal background display that changes color when a voltage applied thereto is changed;
- a power supply coupled to said background display for activating said liquid crystal;
- a settable clock circuit coupled to said LCD background display for causing time related indicia to be displayed thereon;
- and
- an electronic circuit coupled to said clock circuit and to said power supply for causing said power supply to change the voltage applied to at least a portion of said liquid crystal for automatically changing the color of said liquid crystal portion when said clock circuit indicates a change of time between the A.M. and the P.M.
2 more elements
A timepiece comprising:
- a liquid crystal background display that changes color when the voltage applied thereto is changed;
- a power supply having an output coupled to said background display for activating said liquid crystal;
- a settable clock circuit coupled to said LCD background display for causing time related indicia to be displayed thereon;
- and
- a manually controlled electronic circuit coupled to said power supply for selectively changing the voltage applied to at least a portion of said LCD background display to cause said at least a portion of said display to change color.
2 more elements
A timepiece comprising:
- a liquid crystal background display that changes color when a voltage applied thereto is changed;
- a power supply coupled to said liquid crystal background display for activating said liquid crystal;
- a settable clock coupled to said LCD background display for causing time related indicia to be displayed thereon;
- and
- an electronic circuit coupled to said power supply and said clock for automatically changing the voltage applied to at least a portion of said liquid crystal display when said clock indicates a change in time between A.M. and P.M. thereby providing a first color crystal display of said portion when said time is in the A.M. and a second color crystal display of said portion when said time is in the P.M.
2 more elements
A method of presenting time related indicia on an LCD timepiece comprising the steps of:
- providing the timepiece with a liquid crystal display that is changeable in color when a voltage applied thereto is changed and that has said time related indicia shown thereon;
- and
- changing the voltage applied to at least a portion of said liquid crystal display to change the color of said at least a portion of the liquid crystal display of the timepiece with respect to said time related indicia.
A timepiece having an LCD display with time related indicia thereon comprising:
- said LCD display having a characteristic of changing color when a voltage applied thereto is changed;
- and
- a circuit for causing the voltage applied to said LCD display to be changed.
Dependencies are inferred from the claim text.