Inventor
JAKAB GYULA
CA11 patents
⚠️ This page may combine multiple inventors who share the name “JAKAB GYULA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NORTHERN TELECOM LTD
8 patentsUS5333196AJul 26, 1994
Current limiting battery feed arrangement
NORTHERN TELECOM LTD82 citations95
US5274704ADec 28, 1993
Transformer telephone line interface circuit
NORTHERN TELECOM LTD28 citations91
US4661979AApr 28, 1987
Fault protection for integrated subscriber line interface circuits
NORTHERN TELECOM LTD40 citations91
US4467310AAug 21, 1984
Telephone subscriber line battery feed resistor arrangements
NORTHERN TELECOM LTD31 citations91
US4982426AJan 1, 1991
Telecommunications line interface circuits
NORTHERN TELECOM LTD16 citations72
US4727574AFeb 23, 1988
Subscriber line interface circuit with improved d.c. balance
NORTHERN TELECOM LTD8 citations72
US5838788ANov 17, 1998
Telephone ringing signal generator
NORTHERN TELECOM LTD3 citations61
US4993064AFeb 12, 1991
Subscriber line interface circuit and transformer therefor northern telecom limited
NORTHERN TELECOM LTD2 citations61
NORTEL NETWORKS LTD
3 patentsUS6317464B1Nov 13, 2001
Method and apparatus for separating digital data signals from analog voice signals transported over a common conductor
NORTEL NETWORKS LTD15 citations83
US6665399B1Dec 16, 2003
High-efficiency line driver
NORTEL NETWORKS LTD7 citations73
US6507654B1Jan 14, 2003
Line interface battery feed arrangements with PTC resistors
NORTEL NETWORKS LTD6 citations56