FR803339A - Improvements to telephone or similar systems and devices - Google Patents

Improvements to telephone or similar systems and devices

Info

Publication number
FR803339A
FR803339A FR803339DA FR803339A FR 803339 A FR803339 A FR 803339A FR 803339D A FR803339D A FR 803339DA FR 803339 A FR803339 A FR 803339A
Authority
FR
France
Prior art keywords
telephone
devices
similar systems
systems
similar
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 FR803339A publication Critical patent/FR803339A/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
    • H04M1/64—Automatic arrangements for answering calls; Automatic arrangements for recording messages for absent subscribers; Arrangements for recording conversations
    • H04M1/65—Recording arrangements for recording a message from the calling party

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
FR803339D 1935-06-13 1935-06-13 Improvements to telephone or similar systems and devices Expired FR803339A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR803339T 1935-06-13

Publications (1)

Publication Number Publication Date
FR803339A true FR803339A (en) 1936-09-28

Family

ID=9250090

Family Applications (1)

Application Number Title Priority Date Filing Date
FR803339D Expired FR803339A (en) 1935-06-13 1935-06-13 Improvements to telephone or similar systems and devices

Country Status (1)

Country Link
FR (1) FR803339A (en)

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