CA522331A - Carrier current signaling system - Google Patents

Carrier current signaling system

Info

Publication number: CA522331A
Authority: CA; Canada
Prior art keywords: signaling system; carrier current; current signaling; carrier; signaling
Prior art date: 1956-03-06
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

CA522331A

Other languages

Inventor

G. Erickson Lennart

Original Assignee

Automatic Electric Laboratories Inc

Publication date

1956-03-06

1956-03-06 Application granted granted Critical

1956-03-06 Publication of CA522331A publication Critical patent/CA522331A/en

Status Expired legal-status Critical Current

CA522331A Carrier current signaling system Expired CA522331A (en)

Application Number	Priority Date	Filing Date	Title
CA522331T

Publication Number	Publication Date
CA522331A true CA522331A (en)	1956-03-06

Application Number	Title	Priority Date	Filing Date
CA522331A Expired CA522331A (en)			Carrier current signaling system

Country	Link
CA (1)	CA522331A (en)

Publication	Publication Date	Title
CA522331A (en)	1956-03-06	Carrier current signaling system
CA521315A (en)	1956-01-31	Electrical signalling systems
CA529042A (en)	1956-08-14	Electrical signalling systems
CA523474A (en)	1956-04-03	Electric signalling systems
CA526883A (en)	1956-06-26	Electric signalling systems
CA531171A (en)	1956-10-02	Electric signalling systems
CA530260A (en)	1956-09-11	Electric signalling systems
CA525139A (en)	1956-05-15	Electric selective signalling systems
CA531813A (en)	1956-10-16	Carrier telegraph systems
AU207637B2 (en)	1956-09-06	Direction signaling systems
AU207638B2 (en)	1956-09-06	Direction signaling systems
CA525115A (en)	1956-05-15	Electrical system
CA544833A (en)	1957-08-13	Carrier current telephone systems
CA526019A (en)	1956-06-05	Subscriber signalling system
CA526020A (en)	1956-06-05	Subscriber signalling system
AU215288B2 (en)	1956-11-22	Improvements in electrical signalling systems
AU208467B2 (en)	1956-10-18	Turn signaling arrangement
CA521851A (en)	1956-02-14	Multi-channel carrier telephone system
AU1644556A (en)	1956-09-06	Direction signaling systems
AU1644456A (en)	1956-09-06	Direction signaling systems
CA522330A (en)	1956-03-06	Time announcing system
CA534874A (en)	1956-12-25	Switching system
CA523540A (en)	1956-04-03	Railway signaling systems
AU209401B2 (en)	1956-12-06	Telegraph system
CA527290A (en)	1956-07-03	Electrical systems