US 3,971,012 AGranted

Display device employing special-purpose monograms

AssigneeCitizen Watch Co., Ltd.

InventorsShigeru Morokawa, Katsuo Nishimura, Yasushi Nomura

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Abstract

A photoelectric display device having an electrically controlled optical means for indicating one of the 7 days of the week by means of a combination of two letters selected from alphabetical letters is disclosed. The device comprises a first display element composed of a plurality of segments arranged in such pattern that all of the letters positioned in the first place of the seven combinations expressing the 7 days of the week can be indicated, and a second display element composed of a plurality of segments arranged in such pattern that all of the letters positioned in the second place of the above mentioned seven combinations can be indicated. Each segment of each of the display elements is electrically controlled to indicate any desired days of the week.

Claims3

Dependent claims

A device for displaying at least the initials of the days of the week, comprising:

a first array of electrically controllable elongate display elements selectively energizable in different combinations corresponding to the first letter of any day of the week;
and
a second array of electrically controllable elongate display elements selectively energizable in different combinations corresponding to the second letter of any day of the week;
said elements of said first and said second arrays including six linear elements forming an oblong substantially upright frame and a seventh linear element extending horizontally across said frame to divide same into an upper and a lower half, said first array further including two V-shaped elements disposed in said halves in mutually inverted relationship with vertices pointing toward said seventh element, said second array further including an eighth linear element extending obliquely from upper left to lower right within said lower half.

1 more element

Dependencies are inferred from the claim text.