Security door phone device

Details Security door phone device Security door phone device

1992-06-29

1994-04-12

Kuntz, Curtis

Telephonic communications

Telephone line or system combined with diverse electrical...

To produce visual-graphic copy

379102, 340542, 312215, 312245, H04M 1100, E05B 4506, A47B 6702

Patent

active

053033000

ABSTRACT:
A security door phone device, to enable a user to speak with a person at their front door regardless of whether the user is in their home at the time, the device including a solid, durable, weather-resistant casing adapted to be securely mounted to a wall surface, the casing including a securely attached cover panel, a speaker and a microphone, a telephone line connection utilizing the speaker and microphone for normal two-way telephone communication, a memory adapted to store a selection of predetermined telephone numbers corresponding with select time periods, and a dialing button protruding through the cover panel and being structured and disposed to auto dial one of the predetermined numbers corresponding with the time period when the button is pushed. The device is easily programmed such that when the dialing button is pushed, the predetermined number will be called. A key pad and display enable the phone numbers and corresponding select time periods to be entered into memory.

REFERENCES:
patent: 4175760 (1992-12-01), Ohashi et al.
patent: 4280025 (1981-07-01), Carlberg
patent: 4646160 (1987-02-01), Iizuka et al.
patent: 4764953 (1988-08-01), Chern et al.
patent: 4937855 (1990-06-01), McNab et al.
patent: 4943997 (1990-07-01), Chang

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