FR673876A - Dispositif de transmission d'ondes courtes - Google Patents

Dispositif de transmission d'ondes courtes

Info

Publication number: FR673876A
Authority: FR; France
Prior art keywords: transmission device; shortwave transmission; shortwave; transmission
Prior art date: 1929-04-23
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

Other languages

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.)

Telefunken AG

Original Assignee

Telefunken AG

Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH

Priority date (The priority date 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 date listed.)

1929-04-23

Filing date

1929-04-23

Publication date

1930-01-21

1929-04-23 Application filed by Telefunken AG, Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH filed Critical Telefunken AG

1930-01-21 Application granted granted Critical

1930-01-21 Publication of FR673876A publication Critical patent/FR673876A/fr

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F3/22—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with tubes only

Landscapes

Engineering & Computer Science (AREA)
Power Engineering (AREA)

FR673876D 1929-04-23 1929-04-23 Dispositif de transmission d'ondes courtes Expired FR673876A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR673876T		1929-04-23

Publications (1)

Publication Number	Publication Date
FR673876A true FR673876A (fr)	1930-01-21

Family

ID=9018440

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR673876D Expired FR673876A (fr)	1929-04-23	1929-04-23	Dispositif de transmission d'ondes courtes

Country Status (1)

Country	Link
FR (1)	FR673876A (fr)

1929
- 1929-04-23 FR FR673876D patent/FR673876A/fr not_active Expired

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