FR43791E - 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
FR43791E
FR43791E FR43791DA FR43791E FR 43791 E FR43791 E FR 43791E FR 43791D A FR43791D A FR 43791DA FR 43791 E FR43791 E FR 43791E
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 FR43791E publication Critical patent/FR43791E/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
    • 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
    • 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
FR43791D 1932-10-11 1933-05-24 Improvements to nominal tracking devices used in t.s.f. Expired FR43791E (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
FR2053742X 1932-10-11
FR758312T 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
FR43791E true FR43791E (en) 1934-08-30

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 (6)

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.

Country Status (2)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2485196A (en) * 1942-02-21 1949-10-18 Hartford Nat Bank & Trust Co Indicating device comprising a rotatable scale, more particularly for radio sets
US2507027A (en) * 1941-09-02 1950-05-09 Hartford Nat Bank & Trust Co Radio receiver

Families Citing this family (2)

* 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
US2582380A (en) * 1942-02-24 1952-01-15 Hartford Nat Bank & Trust Co Tuning apparatus for radio receivers and the like

Cited By (2)

* 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
US2485196A (en) * 1942-02-21 1949-10-18 Hartford Nat Bank & Trust Co Indicating device comprising a rotatable scale, more particularly for radio sets

Also Published As

Publication number Publication date
US2053742A (en) 1936-09-08
FR43254E (en) 1934-04-17
FR43382E (en) 1934-05-11
FR43637E (en) 1934-07-19
FR43466E (en) 1934-06-07
FR43153E (en) 1934-03-09
FR758312A (en) 1934-01-15

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