FR906770A - Tuning device for shortwave radio receivers with several circuits - Google Patents

Tuning device for shortwave radio receivers with several circuits

Info

Publication number
FR906770A
FR906770A FR906770DA FR906770A FR 906770 A FR906770 A FR 906770A FR 906770D A FR906770D A FR 906770DA FR 906770 A FR906770 A FR 906770A
Authority
FR
France
Prior art keywords
tuning device
radio receivers
several circuits
shortwave radio
shortwave
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
H Stahn
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.)
Loewe Opta GmbH
Original Assignee
Loewe Opta GmbH
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 Loewe Opta GmbH filed Critical Loewe Opta GmbH
Application granted granted Critical
Publication of FR906770A publication Critical patent/FR906770A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P7/00—Resonators of the waveguide type
    • H01P7/02—Lecher resonators
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J3/00—Continuous tuning
    • H03J3/24—Continuous tuning of more than one resonant circuit simultaneously, the circuits being tuned to substantially the same frequency, e.g. for single-knob tuning
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J3/00—Continuous tuning
    • H03J3/28—Continuous tuning of more than one resonant circuit simultaneously, the tuning frequencies of the circuits having a substantially constant difference throughout the tuning range
FR906770D 1943-01-16 1944-08-11 Tuning device for shortwave radio receivers with several circuits Expired FR906770A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEL7602D DE1031844B (en) 1943-01-16 1943-01-16 Tuning arrangement for multi-circuit shortwave receivers

Publications (1)

Publication Number Publication Date
FR906770A true FR906770A (en) 1946-01-18

Family

ID=7257267

Family Applications (1)

Application Number Title Priority Date Filing Date
FR906770D Expired FR906770A (en) 1943-01-16 1944-08-11 Tuning device for shortwave radio receivers with several circuits

Country Status (3)

Country Link
BE (1) BE455812A (en)
DE (1) DE1031844B (en)
FR (1) FR906770A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2729747A (en) * 1951-02-19 1956-01-03 Kingston Products Corp Ultra high frequency tuning apparatus
US2778943A (en) * 1953-08-06 1957-01-22 Isaac S Blonder Tunable electric circuit elements
DE1051922B (en) * 1956-09-19 1959-03-05 Siemens Ag Line arrangement tunable over a wide frequency range by means of a short-circuit slide

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1083360B (en) * 1959-03-19 1960-06-15 Philips Patentverwaltung Lecher line with short-circuit bridge

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2729747A (en) * 1951-02-19 1956-01-03 Kingston Products Corp Ultra high frequency tuning apparatus
US2778943A (en) * 1953-08-06 1957-01-22 Isaac S Blonder Tunable electric circuit elements
DE1051922B (en) * 1956-09-19 1959-03-05 Siemens Ag Line arrangement tunable over a wide frequency range by means of a short-circuit slide

Also Published As

Publication number Publication date
BE455812A (en)
DE1031844B (en) 1958-06-12

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