FR623584A - Improvements to receiving devices for telephone and electrical signaling - Google Patents

Improvements to receiving devices for telephone and electrical signaling

Info

Publication number
FR623584A
FR623584A FR623584DA FR623584A FR 623584 A FR623584 A FR 623584A FR 623584D A FR623584D A FR 623584DA FR 623584 A FR623584 A FR 623584A
Authority
FR
France
Prior art keywords
telephone
receiving devices
electrical signaling
signaling
electrical
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
Lucien Levy
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 FR623584A publication Critical patent/FR623584A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/26—Circuits for superheterodyne receivers
FR623584D 1926-10-22 1926-10-22 Improvements to receiving devices for telephone and electrical signaling Expired FR623584A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR279424T 1926-10-22

Publications (1)

Publication Number Publication Date
FR623584A true FR623584A (en) 1927-06-27

Family

ID=31897785

Family Applications (1)

Application Number Title Priority Date Filing Date
FR623584D Expired FR623584A (en) 1926-10-22 1926-10-22 Improvements to receiving devices for telephone and electrical signaling

Country Status (2)

Country Link
FR (1) FR623584A (en)
GB (1) GB279424A (en)

Also Published As

Publication number Publication date
GB279424A (en) 1928-02-02

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