CA376831A - Signalling system - Google Patents

Signalling system

Info

Publication number: CA376831A
Authority: CA; Canada
Prior art keywords: signalling system; signalling
Prior art date: 1938-10-04
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

CA376831A

Other languages

Inventor

Cottrell Mckenzie

Original Assignee

Canadian General Electric Co Ltd

Publication date

1938-10-04

1938-10-04 Application granted granted Critical

1938-10-04 Publication of CA376831A publication Critical patent/CA376831A/en

Status Expired legal-status Critical Current

CA376831A Signalling system Expired CA376831A (en)

Application Number	Priority Date	Filing Date	Title
CA376831T

Publication Number	Publication Date
CA376831A true CA376831A (en)	1938-10-04

Application Number	Title	Priority Date	Filing Date
CA376831A Expired CA376831A (en)			Signalling system

Country	Link
CA (1)	CA376831A (en)

Publication	Publication Date	Title
CA376831A (en)	1938-10-04	Signalling system
CA371179A (en)	1938-01-11	Signalling system
CA371180A (en)	1938-01-11	Signalling system
CA371517A (en)	1938-01-25	Signalling system
CA371648A (en)	1938-02-01	Signalling system
CA372071A (en)	1938-02-22	Signalling system
CA373918A (en)	1938-05-24	Signalling system
CA374272A (en)	1938-06-07	Signalling system
CA376404A (en)	1938-09-13	Signalling system
CA378259A (en)	1938-12-13	Signalling system
AU107870B2 (en)	1939-07-13	Secrecy signalling system
CA373049A (en)	1938-04-12	Electrical signalling system
CA376695A (en)	1938-09-27	Electrical signalling system
CA373655A (en)	1938-05-10	Telemotor system
CA374719A (en)	1938-06-28	Wave-signal-collecting system
CA376997A (en)	1938-10-11	Signal-selecting system
CA372282A (en)	1938-03-08	Wave signalling system
CA374509A (en)	1938-06-21	Wave signalling system
CA376082A (en)	1938-08-30	Wave signalling system
CA379450A (en)	1939-02-07	Signalling system
CA382192A (en)	1939-06-20	Signalling system
CA384895A (en)	1939-10-31	Signalling system
CA371298A (en)	1938-01-18	Signalling device
CA375047A (en)	1938-07-12	High frequency signalling system
CA372126A (en)	1938-03-01	High frequency signalling system