CA580616A - Electrical signalling systems - Google Patents

Electrical signalling systems

Info

Publication number: CA580616A
Authority: CA; Canada
Prior art keywords: signalling systems; electrical signalling; electrical; systems; signalling
Prior art date: 1959-08-04
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired

Application number

CA580616A

Other languages

French (fr)

Inventor

T. Baker George

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

British Telecommunications PLC

Original Assignee

British Telecommunications PLC

Publication date

1959-08-04

1959-08-04 Application granted granted Critical

1959-08-04 Publication of CA580616A publication Critical patent/CA580616A/en

Status Expired legal-status Critical Current

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA580616T

Publications (1)

Publication Number	Publication Date
CA580616A true CA580616A (en)	1959-08-04

Family

ID=35760038

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA580616A Expired CA580616A (en)			Electrical signalling systems

Country Status (1)

Country	Link
CA (1)	CA580616A (en)

0
- CA CA580616A patent/CA580616A/en not_active Expired

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