Timer control for telephone

Details Timer control for telephone Timer control for telephone

1988-02-25

1990-05-08

Levy, Stewart J.

Telephonic communications

Call or terminal access alarm or control

At substation

379373, H04M 121, H04M 166

Patent

active

049244990

ABSTRACT:
A time control for disabling a telephone at preprogrammed times and its associated features is disclosed. The preferred embodiment of the invention includes a programmable timer which controls a switch to turn the telphone ringer on and off, a programmable countdown timer which also controls the on/off state of the telephone ringer, a means for automatically and independently providing outgoing telephone service when incoming service is disabled by timer control and automatically restoring timer control when the outgoing call is terminated, and a manual override to suspend device control of the telephone. The combination of specific features of the invention will depend on the specific application or intended use.

REFERENCES:
patent: 4297534 (1981-10-01), Epstein et al.
patent: 4405839 (1983-09-01), Groff
patent: 4480154 (1984-10-01), Klee
patent: 4588901 (1986-05-01), Maclay et al.

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