Telephone timer device

Details Telephone timer device Telephone timer device

1979-06-08

1981-04-07

Brigance, Gerald L.

Horology: time measuring systems or devices

Cases

Adaptable

179 2TC, 368 4, H04M 121

Patent

active

042608554

ABSTRACT:
An improved telephone timer device which is adapted to be conveniently and readily situated beneath or near a telephone is disclosed. The timer device serves as an automatic stop-clock for telephone calls as well as a manual stop-clock which may be used to measure the time devoted to chores or jobs for which a time record is desired. Display control permits a clock or actual time to be displayed instead of either the time duration of a telephone call or job.

REFERENCES:
patent: 3320366 (1967-05-01), Plummer
patent: 3512355 (1970-05-01), Lang
patent: 3769463 (1973-10-01), Graham et al.
patent: 3950935 (1976-04-01), Naito
patent: 4058971 (1977-11-01), Epperson
patent: 4163360 (1979-08-01), Tanaka et al.

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