FR2148997A5 - - Google Patents

Info

Publication number
FR2148997A5
FR2148997A5 FR7129515A FR7129515A FR2148997A5 FR 2148997 A5 FR2148997 A5 FR 2148997A5 FR 7129515 A FR7129515 A FR 7129515A FR 7129515 A FR7129515 A FR 7129515A FR 2148997 A5 FR2148997 A5 FR 2148997A5
Authority
FR
France
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
FR7129515A
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.)
DE MARZI UBALDE
Original Assignee
DE MARZI UBALDE
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 DE MARZI UBALDE filed Critical DE MARZI UBALDE
Priority to FR7129515A priority Critical patent/FR2148997A5/fr
Application granted granted Critical
Publication of FR2148997A5 publication Critical patent/FR2148997A5/fr
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
    • H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
    • H04M1/6033—Substation equipment, e.g. for use by subscribers including speech amplifiers for providing handsfree use or a loudspeaker mode in telephone sets

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
FR7129515A 1971-08-12 1971-08-12 Expired FR2148997A5 (mo)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7129515A FR2148997A5 (mo) 1971-08-12 1971-08-12

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7129515A FR2148997A5 (mo) 1971-08-12 1971-08-12

Publications (1)

Publication Number Publication Date
FR2148997A5 true FR2148997A5 (mo) 1973-03-23

Family

ID=9081801

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7129515A Expired FR2148997A5 (mo) 1971-08-12 1971-08-12

Country Status (1)

Country Link
FR (1) FR2148997A5 (mo)

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Legal Events

Date Code Title Description
ST Notification of lapse