Apparatus for direct communication with a phone entry system

Details Apparatus for direct communication with a phone entry system Apparatus for direct communication with a phone entry system

2005-02-08

2005-02-08

Ramakrishnaiah, Melur (Department: 2643)

Telephonic communications

Telephone line or system combined with diverse electrical...

Remote control

C379S102010, C379S428010

Reexamination Certificate

active

06853709

ABSTRACT:
Disclosed is a security gate phone entry system that allows a person located at a security gate, that bars access into a secure area, to call an occupant within the secure area. The phone entry systems only communication connection port is a standard telephone line jack. Communication with phone entry unit can be established with the phone entry unit by connecting a standard telephone line to the unit. Alternatively, the phone entry unit can be connected directly to a computer with modem by using a telephone line simulator to connect the computer with modem to the telephone line jack of the phone entry unit. Additionally, the phone entry unit can be connected to a central control unit by a private communication line through a telephone line simulator connected to the telephone line jack.

REFERENCES:
patent: 5588047 (1996-12-01), Rosengren et al.
patent: 09-297724 (1997-11-01), None

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