CA475758A - Systemes telephoniques a ondes porteuses - Google Patents

Systemes telephoniques a ondes porteuses

Info

Publication number: CA475758A
Authority: CA; Canada
Prior art keywords: carrier wave; telephony systems; wave telephony; systems; carrier
Prior art date: 1951-07-31
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

CA475758A

Other languages

English (en)

Inventor

Samuel Skillman Thomas

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.)

Koninklijke Philips NV

Original Assignee

Philips Electronics NV

Publication date

1951-07-31

1951-07-31 Application granted granted Critical

1951-07-31 Publication of CA475758A publication Critical patent/CA475758A/fr

Status Expired legal-status Critical Current

Links

CA475758A Systemes telephoniques a ondes porteuses Expired CA475758A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA475758T

Publications (1)

Publication Number	Publication Date
CA475758A true CA475758A (fr)	1951-07-31

Family

ID=35609749

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA475758A Expired CA475758A (fr)			Systemes telephoniques a ondes porteuses

Country Status (1)

Country	Link
CA (1)	CA475758A (fr)

0
- CA CA475758A patent/CA475758A/fr not_active Expired

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