CH215256A - Key-based tuning device for radio receiver equipment. - Google Patents

Key-based tuning device for radio receiver equipment.

Info

Publication number
CH215256A
CH215256A CH215256DA CH215256A CH 215256 A CH215256 A CH 215256A CH 215256D A CH215256D A CH 215256DA CH 215256 A CH215256 A CH 215256A
Authority
CH
Switzerland
Prior art keywords
key
radio receiver
tuning device
receiver equipment
based tuning
Prior art date
Application number
Other languages
French (fr)
Inventor
Italiana Magneti Mare Fabbrica
Original Assignee
Magneti Marelli Spa
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 Magneti Marelli Spa filed Critical Magneti Marelli Spa
Publication of CH215256A publication Critical patent/CH215256A/en

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
    • H03J5/24—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 a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection
    • H03J5/26—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 a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection operated by hand
    • H03J5/32—Stationary tuning circuits or elements selected by push-button
CH215256D 1938-09-16 1939-09-12 Key-based tuning device for radio receiver equipment. CH215256A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT215256X 1938-09-16
IT120639X 1939-06-12

Publications (1)

Publication Number Publication Date
CH215256A true CH215256A (en) 1941-06-15

Family

ID=26326462

Family Applications (1)

Application Number Title Priority Date Filing Date
CH215256D CH215256A (en) 1938-09-16 1939-09-12 Key-based tuning device for radio receiver equipment.

Country Status (2)

Country Link
US (1) US2305805A (en)
CH (1) CH215256A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2488375A (en) * 1945-03-28 1949-11-15 Admiral Corp Permeability tuning slug support
US4254665A (en) * 1979-04-03 1981-03-10 Mitsumi Electric Co., Ltd. Push-button type tuning apparatus

Also Published As

Publication number Publication date
US2305805A (en) 1942-12-22

Similar Documents

Publication Publication Date Title
FR858159A (en) Radio receiver
FR858202A (en) Radio receiver device
CH218240A (en) Television receiving device.
CH215256A (en) Key-based tuning device for radio receiver equipment.
FR854539A (en) Superheterodyne radio receiver device
CH271261A (en) Tuning mechanism for radio device.
FR866444A (en) Key tuning device for radio-receiver devices
FR885192A (en) Tuning device for radio receiver
CH268703A (en) Tuning mechanism for radio device.
DK59273C (en) Tuning device for Radio Receivers.
CH271263A (en) Modulator device for radio waves.
CH272301A (en) Radio reception device.
ES145922A1 (en) Key tuning device for radio reception devices.
CH231158A (en) Radio-electric receiver device.
CH233310A (en) Radio-electric receiver device.
FR894155A (en) Tuning device for t devices. s. f.
CH236891A (en) Radio receiver device.
DK59916C (en) Volume control device for Radio Receivers.
DK60742C (en) Tuning device for Radio Receivers.
FR854889A (en) Multiple television receiver device
FR850000A (en) Radio receiver device
FR850048A (en) Radio receiver device
FR885836A (en) Tuning device for radio receiver
FR66205E (en) Tuning devices for radio receivers
FR869410A (en) Device intended for radio transmitters or radio headlights