FR784771A - Improvements to telephone devices - Google Patents

Improvements to telephone devices

Info

Publication number
FR784771A
FR784771A FR784771DA FR784771A FR 784771 A FR784771 A FR 784771A FR 784771D A FR784771D A FR 784771DA FR 784771 A FR784771 A FR 784771A
Authority
FR
France
Prior art keywords
telephone devices
telephone
devices
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)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR784771A publication Critical patent/FR784771A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0297—Telephone sets adapted to be mounted on a desk or on a wall
FR784771D 1934-04-18 1934-04-18 Improvements to telephone devices Expired FR784771A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR784771T 1934-04-18

Publications (1)

Publication Number Publication Date
FR784771A true FR784771A (en) 1935-07-24

Family

ID=9217484

Family Applications (1)

Application Number Title Priority Date Filing Date
FR784771D Expired FR784771A (en) 1934-04-18 1934-04-18 Improvements to telephone devices

Country Status (1)

Country Link
FR (1) FR784771A (en)

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