Pager with handwritten input transmitted as audible DTMF tones

Details Pager with handwritten input transmitted as audible DTMF tones Pager with handwritten input transmitted as audible DTMF tones

1997-06-27

2000-04-25

Holloway, III, Edwin C.

Communications: electrical

Continuously variable indicating

With meter reading

34082548, H04Q 714

Patent

active

060549335

ABSTRACT:
A pager has an input unit, a signal generating unit, a conversion unit, a receiving unit and a display unit. The input unit reads information input by handwriting as image data. The signal generating unit generates a DTMF signal from the image data input by the input unit. The conversion unit converts the DTMF signal from the signal generating unit into a DTMF tone, and outputs it to the transmitter of a telephone apparatus. The receiver unit receives the transmitted signal. The display unit displays display data generated according to image data in the signal received by the receiving unit.

REFERENCES:
patent: 4644352 (1987-02-01), Fujii
patent: 5054051 (1991-10-01), Hoff
patent: 5099507 (1992-03-01), Mukai et al.
patent: 5257307 (1993-10-01), Ise
patent: 5327486 (1994-07-01), Wolf et al.
patent: 5335276 (1994-08-01), Thompson et al.
patent: 5398115 (1995-03-01), Lin
patent: 5526411 (1996-06-01), Krieter

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