Semiconductor integrated circuit for a telephone dialer includin

Details Semiconductor integrated circuit for a telephone dialer includin Semiconductor integrated circuit for a telephone dialer includin

1988-12-12

1990-07-24

Schreyer, Stafford D.

Telephonic communications

Supervisory or control line signaling

Substation originated

379362, H04M 1274

Patent

active

049440004

ABSTRACT:
The dialer IC according to the present invention is capable of expanding an access-pause of the push-button telephone and adapting itself to a wide variety of dialing services.

REFERENCES:
patent: 4342882 (1982-08-01), Gravenhorst et al.

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