FR638781A - Improvements in wireless telephony and telegraphy receiving stations - Google Patents

Improvements in wireless telephony and telegraphy receiving stations

Info

Publication number
FR638781A
FR638781A FR638781DA FR638781A FR 638781 A FR638781 A FR 638781A FR 638781D A FR638781D A FR 638781DA FR 638781 A FR638781 A FR 638781A
Authority
FR
France
Prior art keywords
telegraphy
receiving stations
wireless telephony
telephony
wireless
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
Marcel Michel
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 filed Critical
Application granted granted Critical
Publication of FR638781A publication Critical patent/FR638781A/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
    • H03J5/24—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
FR638781D 1927-08-03 1927-08-03 Improvements in wireless telephony and telegraphy receiving stations Expired FR638781A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR638781T 1927-08-03

Publications (1)

Publication Number Publication Date
FR638781A true FR638781A (en) 1928-06-02

Family

ID=8996255

Family Applications (1)

Application Number Title Priority Date Filing Date
FR638781D Expired FR638781A (en) 1927-08-03 1927-08-03 Improvements in wireless telephony and telegraphy receiving stations

Country Status (1)

Country Link
FR (1) FR638781A (en)

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