US1001968A - Acoustic diaphragm. - Google Patents

Acoustic diaphragm. Download PDF

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Publication number
US1001968A
US1001968A US62861111A US1911628611A US1001968A US 1001968 A US1001968 A US 1001968A US 62861111 A US62861111 A US 62861111A US 1911628611 A US1911628611 A US 1911628611A US 1001968 A US1001968 A US 1001968A
Authority
US
United States
Prior art keywords
acoustic diaphragm
acoustic
diaphragm
ratentedaugfzalml
diaphbagm
Prior art date
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 - Lifetime
Application number
US62861111A
Inventor
John H Massey
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Individual
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Individual
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Publication date
Application filed by Individual filed Critical Individual
Priority to US62861111A priority Critical patent/US1001968A/en
Application granted granted Critical
Publication of US1001968A publication Critical patent/US1001968A/en
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Expired - Lifetime legal-status Critical Current

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    • 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

Description

J. H. MASSEY.
ACOUSTIC DIAPHBAGM. l
APPLTMTION rILBD MAYzz, 1911.
1,001,968. r ratentedAugfzalml.
US62861111A 1911-05-22 1911-05-22 Acoustic diaphragm. Expired - Lifetime US1001968A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US62861111A US1001968A (en) 1911-05-22 1911-05-22 Acoustic diaphragm.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US62861111A US1001968A (en) 1911-05-22 1911-05-22 Acoustic diaphragm.

Publications (1)

Publication Number Publication Date
US1001968A true US1001968A (en) 1911-08-29

Family

ID=3070290

Family Applications (1)

Application Number Title Priority Date Filing Date
US62861111A Expired - Lifetime US1001968A (en) 1911-05-22 1911-05-22 Acoustic diaphragm.

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US (1) US1001968A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4878488A (en) * 1985-01-28 1989-11-07 Siemens Aktiengesellschaft Shock wave tube with long service life

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4878488A (en) * 1985-01-28 1989-11-07 Siemens Aktiengesellschaft Shock wave tube with long service life

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