FR856171A - Assembly to transform a frequency difference into a direct voltage - Google Patents

Assembly to transform a frequency difference into a direct voltage

Info

Publication number
FR856171A
FR856171A FR856171DA FR856171A FR 856171 A FR856171 A FR 856171A FR 856171D A FR856171D A FR 856171DA FR 856171 A FR856171 A FR 856171A
Authority
FR
France
Prior art keywords
transform
assembly
direct voltage
frequency difference
frequency
Prior art date
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
French (fr)
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.)
Filing date
Publication date
Application filed by Telefunken AG, Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH filed Critical Telefunken AG
Application granted granted Critical
Publication of FR856171A publication Critical patent/FR856171A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J3/00—Continuous tuning
    • H03J3/02—Details
    • H03J3/12—Electrically-operated arrangements for indicating correct tuning
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J3/00—Continuous tuning
    • H03J3/02—Details
    • H03J3/12—Electrically-operated arrangements for indicating correct tuning
    • H03J3/14—Visual indication, e.g. magic eye
FR856171D 1938-06-15 1939-06-14 Assembly to transform a frequency difference into a direct voltage Expired FR856171A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2214574X 1938-06-15

Publications (1)

Publication Number Publication Date
FR856171A true FR856171A (en) 1940-06-03

Family

ID=7990484

Family Applications (1)

Application Number Title Priority Date Filing Date
FR856171D Expired FR856171A (en) 1938-06-15 1939-06-14 Assembly to transform a frequency difference into a direct voltage

Country Status (2)

Country Link
US (1) US2214574A (en)
FR (1) FR856171A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE466839A (en) * 1944-07-15
US2468197A (en) * 1946-12-12 1949-04-26 Rca Corp Transmitter tuning indicator
US2866126A (en) * 1956-05-03 1958-12-23 Tung Sol Electric Inc Direct view television reproducing tube or the like

Also Published As

Publication number Publication date
US2214574A (en) 1940-09-10

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