CA470842A - Systemes telephoniques - Google Patents

Systemes telephoniques

Info

Publication number: CA470842A
Authority: CA; Canada
Prior art keywords: telephone systems; telephone; systems
Prior art date: 1951-01-16
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

CA470842A

Other languages

Inventor

Henry Voss John

Original Assignee

Automatic Electric Laboratories Inc

Publication date

1951-01-16

1951-01-16 Application granted granted Critical

1951-01-16 Publication of CA470842A publication Critical patent/CA470842A/fr

Status Expired legal-status Critical Current

CA470842A Systemes telephoniques Expired CA470842A (fr)

Application Number	Priority Date	Filing Date	Title
CA470842T

Publication Number	Publication Date
CA470842A true CA470842A (fr)	1951-01-16

Application Number	Title	Priority Date	Filing Date
CA470842A Expired CA470842A (fr)			Systemes telephoniques

Country	Link
CA (1)	CA470842A (fr)

Publication	Publication Date	Title
CA470842A (fr)	1951-01-16	Systemes telephoniques
CA472098A (fr)	1951-03-13	Reseaux telephoniques
CA476517A (fr)	1951-08-28	Systemes telephoniques
CA477986A (fr)	1951-10-23	Systemes telephoniques
CA471340A (fr)	1951-02-06	Systemes de telecommunication
CA478316A (fr)	1951-11-06	Systemes de communication
CA474073A (fr)	1951-05-29	Systemes de communication
CA474843A (fr)	1951-06-26	Systemes de communication
CA475541A (fr)	1951-07-24	Systemes de communication
CA470778A (fr)	1951-01-09	Systemes de communication
CA470777A (fr)	1951-01-09	Systemes de communication
AU155049B2 (en)	1951-04-09	Telecommunication system
CA476115A (fr)	1951-08-14	Systemes de transmission par telephone
CA478159A (fr)	1951-10-30	Systemes de central telephonique
CA478353A (fr)	1951-11-06	Systemes de telephone automatique
CA477173A (fr)	1951-09-25	Systemes de telephone automatique
CA473443A (fr)	1951-05-08	Systemes de selecteurs d'ondes a syntonisation multiple
CA471394A (fr)	1951-02-06	Systemes stabilisateurs de frequences
CA471939A (fr)	1951-03-06	Systemes de guerites telephoniques
AU157231B2 (en)	1951-07-19	Improvements in telecommunication systems
CA472013A (fr)	1951-03-06	Systemes telephoniques a ondes porteuses a deux sens
AU154739B2 (en)	1951-08-02	Improvements relating to telephone systems
CA470526A (fr)	1951-01-02	Systemes de postes groupes de telephone
CA472856A (fr)	1951-04-10	Systemes de reglage
AU79151A (en)	1951-04-09	Telecommunication system