CA475758A - Carrier wave telephony systems - Google Patents

Carrier wave telephony systems

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

French (fr)

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/en

Status Expired legal-status Critical Current

Links

CA475758A Carrier wave telephony systems Expired CA475758A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA475758T

Publications (1)

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

Family

ID=35609749

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA475758A Expired CA475758A (en)			Carrier wave telephony systems

Country Status (1)

Country	Link
CA (1)	CA475758A (en)

0
- CA CA475758A patent/CA475758A/en not_active Expired

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