FR2157070A6 - - Google Patents

Info

Publication number
FR2157070A6
FR2157070A6 FR7137169A FR7137169A FR2157070A6 FR 2157070 A6 FR2157070 A6 FR 2157070A6 FR 7137169 A FR7137169 A FR 7137169A FR 7137169 A FR7137169 A FR 7137169A FR 2157070 A6 FR2157070 A6 FR 2157070A6
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
FR7137169A
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
Priority claimed from FR7038751A external-priority patent/FR2110701A5/fr
Application filed by MOTTOULLE JEAN PIERRE filed Critical MOTTOULLE JEAN PIERRE
Priority to FR7137169A priority Critical patent/FR2157070A6/fr
Application granted granted Critical
Publication of FR2157070A6 publication Critical patent/FR2157070A6/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
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/227—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only  using transducers reproducing the same frequency band

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR7137169A 1970-10-27 1971-10-15 Expired FR2157070A6 (enExample)

Priority Applications (1)

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

Applications Claiming Priority (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

Publications (1)

Publication Number Publication Date
FR2157070A6 true FR2157070A6 (enExample) 1973-06-01

Family

ID=26216015

Family Applications (1)

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

Country Status (1)

Country Link
FR (1) FR2157070A6 (enExample)

Similar Documents

Publication Publication Date Title
FR2106374B1 (enExample)
DK138878C (enExample)
JPS46100U (enExample)
FR2107680A5 (enExample)
FR2120126B1 (enExample)
FR2046588A5 (enExample)
JPS4842221B1 (enExample)
FR2120727A5 (enExample)
DE2043851C3 (enExample)
JPS4839036B1 (enExample)
FR2106408A1 (enExample)
DE2025904B2 (enExample)
FR2154465A1 (enExample)
FR2106096A5 (enExample)
DK129273C (enExample)
JPS4526874Y1 (enExample)
JPS4913726B1 (enExample)
FR2104001A5 (enExample)
JPS4914483B1 (enExample)
JPS4915072B1 (enExample)
FR2154574B1 (enExample)
FR2107702A5 (enExample)
DK139411C (enExample)
FR2157070A6 (enExample)
JPS4839004Y1 (enExample)