FR2189972B3 - - Google Patents

Info

Publication number
FR2189972B3
FR2189972B3 FR7322439A FR7322439A FR2189972B3 FR 2189972 B3 FR2189972 B3 FR 2189972B3 FR 7322439 A FR7322439 A FR 7322439A FR 7322439 A FR7322439 A FR 7322439A FR 2189972 B3 FR2189972 B3 FR 2189972B3
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
FR7322439A
Other languages
French (fr)
Other versions
FR2189972A1 (ro
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Publication of FR2189972A1 publication Critical patent/FR2189972A1/fr
Application granted granted Critical
Publication of FR2189972B3 publication Critical patent/FR2189972B3/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
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/16—Mounting or tensioning of diaphragms or cones
    • H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery
    • H04R7/22—Clamping rim of diaphragm or cone against seating

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
FR7322439A 1972-06-22 1973-06-20 Expired FR2189972B3 (ro)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2931172 1972-06-22

Publications (2)

Publication Number Publication Date
FR2189972A1 FR2189972A1 (ro) 1974-01-25
FR2189972B3 true FR2189972B3 (ro) 1976-06-18

Family

ID=10289538

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7322439A Expired FR2189972B3 (ro) 1972-06-22 1973-06-20

Country Status (6)

Country Link
DK (1) DK146000C (ro)
ES (1) ES416186A1 (ro)
FR (1) FR2189972B3 (ro)
GB (1) GB1348229A (ro)
IT (1) IT989267B (ro)
ZA (1) ZA732258B (ro)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NZ197139A (en) * 1980-05-23 1985-01-31 Int Standard Electric Corp Moving coil electrodynamic transducer construction
GB2145300B (en) * 1983-08-16 1987-05-07 Standard Telephones Cables Ltd Electroacoustic transducer

Also Published As

Publication number Publication date
AU5696773A (en) 1974-12-19
DK146000C (da) 1983-10-10
DK146000B (da) 1983-05-09
IT989267B (it) 1975-05-20
ZA732258B (en) 1974-01-30
ES416186A1 (es) 1976-03-01
FR2189972A1 (ro) 1974-01-25
GB1348229A (en) 1974-03-13

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Legal Events

Date Code Title Description
ST Notification of lapse