Keyboard apparatus

Details Keyboard apparatus Keyboard apparatus

1981-02-11

1983-04-26

Curtis, Marshall M.

Communications: electrical

Audible indication

Percussion-type sound producer

340365R, 340712, 178 17C, 179 90K, 312127, 235145R, 400478, 34081520, 34081508, G08C 908

Patent

active

043815006

ABSTRACT:
A keyboard apparatus has item keys for data entry, and select keys for changing the display of input data written on sheets, according to the item keys, and a changer for the sheets stored in a cartridge, which separates the sheets in the cartridge into two groups, the sheets from one group being moved in the cartridge to a display position and the sheets from the other group being held in a non-display position. A cartridge holds the sheet to be displayed on the top of the stack of sheets remaining in the cartridge and a translator moves the sheets in the cartridge horizontally to the display position.

REFERENCES:
patent: 3200375 (1965-08-01), Lutz
patent: 3560964 (1971-02-01), Bedell et al.
patent: 4279021 (1981-07-01), See et al.

Affiliated with

Also associated with

Rating

Keyboard apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Keyboard apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Keyboard apparatus will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1566411