FR2215772B1 - - Google Patents

Info

Publication number
FR2215772B1
FR2215772B1 FR7302630A FR7302630A FR2215772B1 FR 2215772 B1 FR2215772 B1 FR 2215772B1 FR 7302630 A FR7302630 A FR 7302630A FR 7302630 A FR7302630 A FR 7302630A FR 2215772 B1 FR2215772 B1 FR 2215772B1
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
FR7302630A
Other languages
French (fr)
Other versions
FR2215772A1 (en
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.)
TELEPHONE AUTOMATIQUE
Original Assignee
TELEPHONE AUTOMATIQUE
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 TELEPHONE AUTOMATIQUE filed Critical TELEPHONE AUTOMATIQUE
Priority to FR7302630A priority Critical patent/FR2215772B1/fr
Publication of FR2215772A1 publication Critical patent/FR2215772A1/fr
Application granted granted Critical
Publication of FR2215772B1 publication Critical patent/FR2215772B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R27/00—Public address systems

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR7302630A 1973-01-25 1973-01-25 Expired FR2215772B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7302630A FR2215772B1 (en) 1973-01-25 1973-01-25

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7302630A FR2215772B1 (en) 1973-01-25 1973-01-25

Publications (2)

Publication Number Publication Date
FR2215772A1 FR2215772A1 (en) 1974-08-23
FR2215772B1 true FR2215772B1 (en) 1980-02-22

Family

ID=9113837

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7302630A Expired FR2215772B1 (en) 1973-01-25 1973-01-25

Country Status (1)

Country Link
FR (1) FR2215772B1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES498770A0 (en) * 1981-01-23 1982-01-01 Garcia Anadon Andres IMPROVEMENTS IN ELECTRONIC SOUND DISTRIBUTION SYSTEMS
FR2624332B1 (en) * 1987-12-07 1990-05-11 Romand Alain ROOM SOUNDPROOFING DEVICE

Also Published As

Publication number Publication date
FR2215772A1 (en) 1974-08-23

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse