CA512876A - Electrical signalling systems - Google Patents

Electrical signalling systems

Info

Publication number: CA512876A
Authority: CA; Canada
Prior art keywords: signalling systems; electrical signalling; electrical; systems; signalling
Prior art date: 1955-05-17
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

CA512876A

Other languages

French (fr)

Inventor

T. Baker George

Davison Alan

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.)

Automatic Telephone and Electric Co Ltd

Original Assignee

Automatic Telephone and Electric Co Ltd

Publication date

1955-05-17

1955-05-17 Application granted granted Critical

1955-05-17 Publication of CA512876A publication Critical patent/CA512876A/en

Status Expired legal-status Critical Current

Links

230000011664 signaling Effects 0.000 title 1

CA512876A Electrical signalling systems Expired CA512876A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA512876T

Publications (1)

Publication Number	Publication Date
CA512876A true CA512876A (en)	1955-05-17

Family

ID=35663952

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA512876A Expired CA512876A (en)			Electrical signalling systems

Country Status (1)

Country	Link
CA (1)	CA512876A (en)

0
- CA CA512876A patent/CA512876A/en not_active Expired

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