CA321305A - Circuit de transmission telephonique actionne par la voix - Google Patents

Circuit de transmission telephonique actionne par la voix

Info

Publication number: CA321305A
Authority: CA; Canada
Prior art keywords: transmission circuit; telephone transmission; voice operated; operated telephone; voice
Prior art date: 1932-04-05
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

CA321305A

Other languages

English (en)

Inventor

N. Nebel Charles

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.)

AT&T Corp

Original Assignee

Western Electric Co Inc

Publication date

1932-04-05

1932-04-05 Application granted granted Critical

1932-04-05 Publication of CA321305A publication Critical patent/CA321305A/fr

Status Expired legal-status Critical Current

Links

230000005540 biological transmission Effects 0.000 title 1

CA321305A Circuit de transmission telephonique actionne par la voix Expired CA321305A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA321305T

Publications (1)

Publication Number	Publication Date
CA321305A true CA321305A (fr)	1932-04-05

Family

ID=35281859

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA321305A Expired CA321305A (fr)			Circuit de transmission telephonique actionne par la voix

Country Status (1)

Country	Link
CA (1)	CA321305A (fr)

0
- CA CA321305A patent/CA321305A/fr not_active Expired

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