CH212748A - Two-speed drive mechanism for controlling a tuning device of a radio receiver or other electrical device. - Google Patents

Two-speed drive mechanism for controlling a tuning device of a radio receiver or other electrical device.

Info

Publication number
CH212748A
CH212748A CH212748DA CH212748A CH 212748 A CH212748 A CH 212748A CH 212748D A CH212748D A CH 212748DA CH 212748 A CH212748 A CH 212748A
Authority
CH
Switzerland
Prior art keywords
controlling
drive mechanism
radio receiver
speed drive
electrical device
Prior art date
Application number
Other languages
French (fr)
Inventor
Bell Telephone Manufac Anonyme
Original Assignee
Bell Telephone Mfg
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 Bell Telephone Mfg filed Critical Bell Telephone Mfg
Publication of CH212748A publication Critical patent/CH212748A/en

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
    • H03J1/06—Driving or adjusting arrangements; combined with other driving or adjusting arrangements, e.g. of gain control
    • H03J1/14—Special arrangements for fine and coarse tuning
CH212748D 1937-04-07 1938-04-07 Two-speed drive mechanism for controlling a tuning device of a radio receiver or other electrical device. CH212748A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE212748X 1937-04-07

Publications (1)

Publication Number Publication Date
CH212748A true CH212748A (en) 1940-12-15

Family

ID=3865964

Family Applications (1)

Application Number Title Priority Date Filing Date
CH212748D CH212748A (en) 1937-04-07 1938-04-07 Two-speed drive mechanism for controlling a tuning device of a radio receiver or other electrical device.

Country Status (4)

Country Link
CH (1) CH212748A (en)
FR (1) FR836228A (en)
GB (1) GB493256A (en)
NL (1) NL57657C (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5121653A (en) * 1989-08-30 1992-06-16 Robertshaw Controls Company Control device having a push to turn selector means
US5020389A (en) * 1989-08-30 1991-06-04 Robertshaw Controls Company Control device having push to turn selector means and method of making the same

Also Published As

Publication number Publication date
GB493256A (en) 1938-10-05
NL57657C (en)
FR836228A (en) 1939-01-12

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