Telephone dialing system

Details Telephone dialing system Telephone dialing system

1987-01-23

1989-03-21

Lev, Robert

Telephonic communications

Supervisory or control line signaling

Substation originated

235488, 235489, H04M 148

Patent

active

048151254

ABSTRACT:
A systen for dialing has a telephone a planar card having a planar handle portion at one end for use as a handle and in carrying identifying indicia and a contiguous, planar code portion at the other end with holes therethrough at locations identifying a sequence of codes to be dialed on a telephone. The location of the holes is at intersections of parallel columns and parallel rows transverse thereto, the columns corresponding to the sequence of the codes and the rows corresponding to all the codes which may be dialed on the telephone in any sequence of the codes. A card-reading device provides signals corresponding to the sequence of the codes to be dialed identified on the card on a signal-carrying line for each row on the card of the codes which may be dialed.

REFERENCES:
patent: 3274345 (1966-09-01), Ham, Jr. et al.
patent: 3493730 (1970-02-01), Cilino et al.
patent: 3596003 (1971-07-01), Poli
patent: 3809826 (1974-05-01), Rhodes
patent: 4086442 (1978-04-01), Rickard
IBM Tech. Disclosure Bul., vol. 8, No. 1, 6/65, R. A Jensen & W. J. Levine, "Manufacturing Badge Cards", p. 161.

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