Interswitch line circuit

United States of America Patent

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Mar 15, 1988
Grant Date
N/A
app pub date
Oct 29, 1984
filing date
Oct 29, 1984

priority date (Note)
Expired

status (Latency Note)

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Abstract

A tip-ring interface that utilizes a single detector to detect ringing, forward loop current, and reverse loop current. In one embodiment, forward or reverse battery state may be detected when on-hook.

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Patent Owner(s)

Patent Owner	Address
3COM CORPORATION A DELAWARE CORPORATION	5400 BAYFRONT PLAZA P O BOX 58145 SANTA CLARA CA 95052

International Classification(s)

H04M:TELEPHONIC COMMUNICATION

[Classification Symbol]

[Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Wood, Samuel F	Los Altos Hills, CA	28	646

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Interswitch line circuit

Number of patents in Portfolio can not be more than 2000

United States of America Patent

06665681

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PATENT NO	4731827
SERIAL NO	06665681
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06665681

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