FR43637E - Improvements to nominal tracking devices used in t.s.f. - Google Patents

Improvements to nominal tracking devices used in t.s.f.

Info

Publication number
FR43637E
FR43637E FR43637DA FR43637E FR 43637 E FR43637 E FR 43637E FR 43637D A FR43637D A FR 43637DA FR 43637 E FR43637 E FR 43637E
Authority
FR
France
Prior art keywords
devices used
tracking devices
nominal tracking
nominal
tracking
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)
Inventor
Joseph-Louis Routin
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 filed Critical
Application granted granted Critical
Publication of FR43637E publication Critical patent/FR43637E/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
    • H03J1/02—Indicating arrangements
    • H03J1/04—Indicating arrangements with optical indicating means
    • H03J1/041—Pointers, markers, or the like, for tuning dials; Folding dials
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
    • H03J1/02—Indicating arrangements
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
    • H03J1/02—Indicating arrangements
    • H03J1/04—Indicating arrangements with optical indicating means
    • H03J1/044—Illumination of the tuning dial; On and off switching of the illumination; Circuits related with illumination
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
    • H03J1/02—Indicating arrangements
    • H03J1/04—Indicating arrangements with optical indicating means
    • H03J1/045—Indication of the tuning band, the bandwidth, tone control, the channel number, the frequency, or the like
FR43637D 1932-10-11 1933-04-14 Improvements to nominal tracking devices used in t.s.f. Expired FR43637E (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
FR758312T 1932-10-11
FR2053742X 1932-10-11
FR43153T 1932-11-09
FR43254T 1932-12-23
FR43382T 1933-02-10
FR43466T 1933-03-04
FR43791T 1933-05-24

Publications (1)

Publication Number Publication Date
FR43637E true FR43637E (en) 1934-07-19

Family

ID=62294526

Family Applications (7)

Application Number Title Priority Date Filing Date
FR758312D Expired FR758312A (en) 1932-10-11 1932-10-11 Improvements to nominal tracking devices used in t-receivers. s. f.
FR43153D Expired FR43153E (en) 1932-10-11 1932-11-09 Improvements to nominal tracking devices used in t.s.f.
FR43254D Expired FR43254E (en) 1932-10-11 1932-12-23 Improvements to nominal tracking devices used in t.s.f.
FR43382D Expired FR43382E (en) 1932-10-11 1933-02-10 Improvements to nominal tracking devices used in t.s.f.
FR43466D Expired FR43466E (en) 1932-10-11 1933-03-04 Improvements to nominal tracking devices used in t.s.f.
FR43637D Expired FR43637E (en) 1932-10-11 1933-04-14 Improvements to nominal tracking devices used in t.s.f.
FR43791D Expired FR43791E (en) 1932-10-11 1933-05-24 Improvements to nominal tracking devices used in t.s.f.

Family Applications Before (5)

Application Number Title Priority Date Filing Date
FR758312D Expired FR758312A (en) 1932-10-11 1932-10-11 Improvements to nominal tracking devices used in t-receivers. s. f.
FR43153D Expired FR43153E (en) 1932-10-11 1932-11-09 Improvements to nominal tracking devices used in t.s.f.
FR43254D Expired FR43254E (en) 1932-10-11 1932-12-23 Improvements to nominal tracking devices used in t.s.f.
FR43382D Expired FR43382E (en) 1932-10-11 1933-02-10 Improvements to nominal tracking devices used in t.s.f.
FR43466D Expired FR43466E (en) 1932-10-11 1933-03-04 Improvements to nominal tracking devices used in t.s.f.

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR43791D Expired FR43791E (en) 1932-10-11 1933-05-24 Improvements to nominal tracking devices used in t.s.f.

Country Status (2)

Country Link
US (1) US2053742A (en)
FR (7) FR758312A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE753703C (en) * 1934-07-26 1953-02-02 Sachsenwerk Licht Und Kraft A Station display device for radio receivers

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2507027A (en) * 1941-09-02 1950-05-09 Hartford Nat Bank & Trust Co Radio receiver
BE449306A (en) * 1942-02-21
US2582380A (en) * 1942-02-24 1952-01-15 Hartford Nat Bank & Trust Co Tuning apparatus for radio receivers and the like

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE753703C (en) * 1934-07-26 1953-02-02 Sachsenwerk Licht Und Kraft A Station display device for radio receivers

Also Published As

Publication number Publication date
FR43791E (en) 1934-08-30
FR43153E (en) 1934-03-09
FR43466E (en) 1934-06-07
FR43254E (en) 1934-04-17
US2053742A (en) 1936-09-08
FR758312A (en) 1934-01-15
FR43382E (en) 1934-05-11

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