CA447225A - Systeme d'intercommunication - Google Patents

Systeme d'intercommunication

Info

Publication number: CA447225A
Authority: CA; Canada
Prior art keywords: intercommunication system; intercommunication
Prior art date: 1948-03-16
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

CA447225A

Other languages

Inventor

H. Herrick Roswell

Original Assignee

Automatic Electric Laboratories Inc

Publication date

1948-03-16

1948-03-16 Application granted granted Critical

1948-03-16 Publication of CA447225A publication Critical patent/CA447225A/fr

Status Expired legal-status Critical Current

CA447225A Systeme d'intercommunication Expired CA447225A (fr)

Application Number	Priority Date	Filing Date	Title
CA447225T

Publication Number	Publication Date
CA447225A true CA447225A (fr)	1948-03-16

Application Number	Title	Priority Date	Filing Date
CA447225A Expired CA447225A (fr)			Systeme d'intercommunication

Country	Link
CA (1)	CA447225A (fr)

Publication	Publication Date	Title
CA446394A (fr)	1948-01-27	Systeme de synchronisation
CA446726A (fr)	1948-02-17	Systeme electrique a vapeur
AU141891B2 (en)	1948-03-04	Pulse-reiterating system
AU143517B2 (en)	1948-07-22	Communication system
CA448992A (fr)	1948-06-08	Systeme de communication
CA447224A (fr)	1948-03-16	Systeme de communication
CA449829A (fr)	1948-07-13	Systeme de communication
CA453711A (fr)	1948-12-28	Systeme de communication
CA452994A (fr)	1948-11-30	Systeme recepteur de signaux irradies
CA446039A (fr)	1948-01-06	Systeme de detection et de mesure
AU1807048A (en)	1948-03-04	Pulse-reiterating system
CA446506A (fr)	1948-02-03	Systeme de transmission
CA451182A (fr)	1948-09-14	Systeme de transmission
AU129775B2 (en)	1948-08-26	Signal-translating system
CA450596A (fr)	1948-08-17	Systeme de translation de signaux
CA449317A (fr)	1948-06-22	Systeme de relais
CA450716A (fr)	1948-08-24	Systeme de synchronisation
CA452202A (fr)	1948-10-26	Systeme de synchronisation
CA452562A (fr)	1948-11-09	Systeme de stabilisation
AU141953B2 (en)	1948-04-29	Multiplex system
CA448848A (fr)	1948-06-01	Systeme telephonique
CA449483A (fr)	1948-06-29	Systeme telegraphique
CA449567A (fr)	1948-06-29	Systeme telegraphique
CA449714A (fr)	1948-07-06	Systeme telegraphique
CA448335A (fr)	1948-05-04	Systeme d'emetteur-recepteur