FR836564A - Electron ray tube indicator circuit - Google Patents

Electron ray tube indicator circuit

Info

Publication number
FR836564A
FR836564A FR836564DA FR836564A FR 836564 A FR836564 A FR 836564A FR 836564D A FR836564D A FR 836564DA FR 836564 A FR836564 A FR 836564A
Authority
FR
France
Prior art keywords
ray tube
indicator circuit
electron ray
tube indicator
electron
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.)
RCA Corp
Original Assignee
RCA Corp
Radio Corporation of America
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 RCA Corp, Radio Corporation of America filed Critical RCA Corp
Application granted granted Critical
Publication of FR836564A publication Critical patent/FR836564A/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
    • H03J3/14—Visual indication, e.g. magic eye
FR836564D 1937-04-21 1938-04-13 Electron ray tube indicator circuit Expired FR836564A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US138108A US2135571A (en) 1937-04-21 1937-04-21 Electron ray tube indicator circuit

Publications (1)

Publication Number Publication Date
FR836564A true FR836564A (en) 1939-01-20

Family

ID=22480461

Family Applications (1)

Application Number Title Priority Date Filing Date
FR836564D Expired FR836564A (en) 1937-04-21 1938-04-13 Electron ray tube indicator circuit

Country Status (6)

Country Link
US (1) US2135571A (en)
CH (1) CH206046A (en)
DE (1) DE691718C (en)
FR (1) FR836564A (en)
GB (1) GB513859A (en)
NL (1) NL50144C (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE468765A (en) * 1945-10-29
US2604531A (en) * 1946-12-21 1952-07-22 Wurlitzer Co Impulse remote control system

Also Published As

Publication number Publication date
NL50144C (en)
US2135571A (en) 1938-11-08
DE691718C (en) 1940-06-04
GB513859A (en) 1939-10-24
CH206046A (en) 1939-07-15

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