FR857694A - Tuning devices for radio receivers - Google Patents

Tuning devices for radio receivers

Info

Publication number
FR857694A
FR857694A FR857694DA FR857694A FR 857694 A FR857694 A FR 857694A FR 857694D A FR857694D A FR 857694DA FR 857694 A FR857694 A FR 857694A
Authority
FR
France
Prior art keywords
radio receivers
tuning devices
tuning
devices
receivers
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.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR857694A publication Critical patent/FR857694A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
    • H03J5/02—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings
    • H03J5/04—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings operated by hand
    • H03J5/12—Settings determined by a number of separately-actuated driving means which adjust the tuning element directly to desired settings
FR857694D 1938-07-12 1939-07-11 Tuning devices for radio receivers Expired FR857694A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2070538A GB516900A (en) 1938-07-12 1938-07-12 Improvements in radio tuning arrangements

Publications (1)

Publication Number Publication Date
FR857694A true FR857694A (en) 1940-09-24

Family

ID=10150309

Family Applications (1)

Application Number Title Priority Date Filing Date
FR857694D Expired FR857694A (en) 1938-07-12 1939-07-11 Tuning devices for radio receivers

Country Status (2)

Country Link
FR (1) FR857694A (en)
GB (1) GB516900A (en)

Also Published As

Publication number Publication date
GB516900A (en) 1940-01-15

Similar Documents

Publication Publication Date Title
FR840148A (en) Phase changing devices
FR855117A (en) Antennas for wide frequency bands
FR841603A (en) Adjustable tuning circuit
FR813746A (en) Improvements to tuning devices for radio receivers
FR857694A (en) Tuning devices for radio receivers
FR842452A (en) Tuning indicator for radio receiver
FR877453A (en) Tuning device for radio receivers of the superheterodyne type
FR842875A (en) Improvements to tuning devices for radio receivers
FR953919A (en) Tuning devices for radio receivers
FR862402A (en) Receiving devices for radio waves
FR861713A (en) Tuning indicator for radio receivers
FR951596A (en) Tuning devices for radio apparatus
FR823670A (en) Selective tuning mechanism for radio receivers
FR885836A (en) Tuning device for radio receiver
FR842896A (en) Directional radio receiver for navigation
CA378396A (en) Radio tuning apparatus
FR856170A (en) Improvements to tuning devices for high frequency circuits
FR861134A (en) Improvements to automatic receiver tuning devices
CH268703A (en) Tuning mechanism for radio device.
FR885192A (en) Tuning device for radio receiver
FR822038A (en) Indicating and tuning devices for radio receivers
CA375439A (en) Radio tuning condenser
CA378364A (en) Radio tuning condenser
CA375198A (en) Radio tuning means
FR854002A (en) Improvements to antenna systems for radio beacons