FR842875A - Improvements to tuning devices for radio receivers - Google Patents
Improvements to tuning devices for radio receiversInfo
- Publication number
- FR842875A FR842875A FR842875DA FR842875A FR 842875 A FR842875 A FR 842875A FR 842875D A FR842875D A FR 842875DA FR 842875 A FR842875 A FR 842875A
- 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
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
- H03J5/14—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 auxiliary power
- H03J5/146—Settings desired by a switch controlled together with the tuning member and which stops the control as soon as a desired position is reached
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB23864/37A GB501370A (en) | 1937-09-01 | 1937-09-01 | Improvements in or relating to tuning devices for radio receivers |
Publications (1)
Publication Number | Publication Date |
---|---|
FR842875A true FR842875A (en) | 1939-06-21 |
Family
ID=10202557
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR842875D Expired FR842875A (en) | 1937-09-01 | 1938-09-01 | Improvements to tuning devices for radio receivers |
Country Status (3)
Country | Link |
---|---|
US (1) | US2238475A (en) |
FR (1) | FR842875A (en) |
GB (1) | GB501370A (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2433389A (en) * | 1941-09-30 | 1947-12-30 | Int Standard Electric Corp | Remote control system for step-bystep adjustment of variable impedances |
US3493830A (en) * | 1967-05-03 | 1970-02-03 | Molex Products Co | Seeking switch servocontrol including a unique commutator |
-
1937
- 1937-09-01 GB GB23864/37A patent/GB501370A/en not_active Expired
-
1938
- 1938-09-01 US US227881A patent/US2238475A/en not_active Expired - Lifetime
- 1938-09-01 FR FR842875D patent/FR842875A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US2238475A (en) | 1941-04-15 |
GB501370A (en) | 1939-02-27 |
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