Systems and methods for an electronic hook switch for...

Details Systems and methods for an electronic hook switch for... Systems and methods for an electronic hook switch for...

2006-09-05

2006-09-05

Tsang, Fan (Department: 2614)

Telephonic communications

Supervisory or control line signaling

Using line or loop condition detection

C379S380000, C379S399010

Reexamination Certificate

active

07103175

ABSTRACT:
Embodiments of the present invention relate to systems and methods for an electronic hook switch for customer premises equipment. In an embodiment, a system includes a first lead configured to be coupled to a tip wire and a second lead configured to be coupled to a ring wire. A diode bridge is coupled to the first lead and the second lead and has a positive output. A low side switch is coupled to the positive output of the diode bridge without a high side switch between the low side switch and the positive output of the diode bridge.

REFERENCES:
patent: 4465903 (1984-08-01), Barber
patent: 5553138 (1996-09-01), Heald et al.
patent: 5768364 (1998-06-01), Karnowski et al.
patent: 5946394 (1999-08-01), Gambuzza
patent: 0 651 540 (1995-05-01), None
patent: WO 86/07659 (1986-12-01), None
patent: WO 8607659 (1986-12-01), None
GB Search Report dated May 20, 2004.

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