FR2110701A5 - - Google Patents

Info

Publication number
FR2110701A5
FR2110701A5 FR7038751A FR7038751A FR2110701A5 FR 2110701 A5 FR2110701 A5 FR 2110701A5 FR 7038751 A FR7038751 A FR 7038751A FR 7038751 A FR7038751 A FR 7038751A FR 2110701 A5 FR2110701 A5 FR 2110701A5
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
FR7038751A
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.)
MOTTOULLE JEAN PIERRE
Original Assignee
MOTTOULLE JEAN PIERRE
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 MOTTOULLE JEAN PIERRE filed Critical MOTTOULLE JEAN PIERRE
Priority to FR7038751A priority Critical patent/FR2110701A5/fr
Priority to FR7137169A priority patent/FR2157070A6/fr
Application granted granted Critical
Publication of FR2110701A5 publication Critical patent/FR2110701A5/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; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/323—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only for loudspeakers

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR7038751A 1970-10-27 1970-10-27 Expired FR2110701A5 (enExample)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR7038751A FR2110701A5 (enExample) 1970-10-27 1970-10-27
FR7137169A FR2157070A6 (enExample) 1970-10-27 1971-10-15

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7038751A FR2110701A5 (enExample) 1970-10-27 1970-10-27

Publications (1)

Publication Number Publication Date
FR2110701A5 true FR2110701A5 (enExample) 1972-06-02

Family

ID=9063347

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7038751A Expired FR2110701A5 (enExample) 1970-10-27 1970-10-27

Country Status (1)

Country Link
FR (1) FR2110701A5 (enExample)

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Legal Events

Date Code Title Description
ST Notification of lapse