Method for transmitting charging signals via a data...

Details Method for transmitting charging signals via a data... Method for transmitting charging signals via a data...

2006-06-20

2006-06-20

Harold, Jefferey F. (Department: 2646)

Telephonic communications

Supervisory or control line signaling

Using line or loop condition detection

C379S388030, C379S348000

Reexamination Certificate

active

07065204

ABSTRACT:
Method for transmitting charging signals via a data transmission path using resonance phenomena The invention provides a method for transmitting charging signals, in which an electrical resonance effect is provided, with an output current (100) being emitted from a line current driver device (202), which output current (100) is passed through a data path filter block (201), which has a data transmission path unit (122) and a matching filter unit (123), to a line impedance (102), and the matching filter unit (123) and the data transmission path unit (122) are set such that an electrical resonance effect occurs, which leads to a voltage peak occurring in a line voltage level (101).

REFERENCES:
patent: 5862213 (1999-01-01), Klamt et al.
patent: 2001/0019608 (2001-09-01), Lofmark
patent: 2003/0086502 (2003-05-01), Paoli et al.
patent: 662 024 (1987-08-01), None
patent: 2 149 618 (1985-06-01), None
patent: WO 01/67735 (2001-09-01), None

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