FR651221A - Improvements to devices intended to damp mechanical vibrations, particularly applicable to electromagnetic devices - Google Patents

Improvements to devices intended to damp mechanical vibrations, particularly applicable to electromagnetic devices

Info

Publication number
FR651221A
FR651221A FR651221DA FR651221A FR 651221 A FR651221 A FR 651221A FR 651221D A FR651221D A FR 651221DA FR 651221 A FR651221 A FR 651221A
Authority
FR
France
Prior art keywords
devices
particularly applicable
mechanical vibrations
electromagnetic
damp mechanical
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
Application number
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.)
Electrical Research Products Inc
Original Assignee
Electrical Research Products Inc
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 Electrical Research Products Inc filed Critical Electrical Research Products Inc
Application granted granted Critical
Publication of FR651221A publication Critical patent/FR651221A/en
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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/16—Mounting or connecting stylus to transducer with or without damping means
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R11/00—Transducers of moving-armature or moving-core type
    • H04R11/08—Gramophone pick-ups using a stylus; Recorders using a stylus
FR651221D 1927-05-14 1928-01-06 Improvements to devices intended to damp mechanical vibrations, particularly applicable to electromagnetic devices Expired FR651221A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US191527A US1792497A (en) 1927-05-14 1927-05-14 Vibration-damping device

Publications (1)

Publication Number Publication Date
FR651221A true FR651221A (en) 1929-02-19

Family

ID=22705849

Family Applications (1)

Application Number Title Priority Date Filing Date
FR651221D Expired FR651221A (en) 1927-05-14 1928-01-06 Improvements to devices intended to damp mechanical vibrations, particularly applicable to electromagnetic devices

Country Status (5)

Country Link
US (1) US1792497A (en)
DE (1) DE559010C (en)
FR (1) FR651221A (en)
GB (1) GB290558A (en)
NL (1) NL30962C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2676806A (en) * 1948-05-29 1954-04-27 Columbia Broadcasting Syst Inc Phonograph reproducer arm assembly

Also Published As

Publication number Publication date
US1792497A (en) 1931-02-17
NL30962C (en)
GB290558A (en) 1929-04-05
DE559010C (en) 1932-09-15

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