FR778904A - Dispositifs destinés à la traduction des vibrations - Google Patents
Dispositifs destinés à la traduction des vibrationsInfo
- Publication number
- FR778904A FR778904A FR778904DA FR778904A FR 778904 A FR778904 A FR 778904A FR 778904D A FR778904D A FR 778904DA FR 778904 A FR778904 A FR 778904A
- Authority
- FR
- France
- Prior art keywords
- vibrations
- translation
- devices intended
- intended
- devices
- 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
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
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/12—Gramophone pick-ups using a stylus; Recorders using a stylus
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
- Treatment Of Liquids With Adsorbents In General (AREA)
- Container, Conveyance, Adherence, Positioning, Of Wafer (AREA)
- Fluid-Damping Devices (AREA)
- Moving Of Heads (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US692058A US1985005A (en) | 1933-10-04 | 1933-10-04 | Vibration translating device |
Publications (1)
Publication Number | Publication Date |
---|---|
FR778904A true FR778904A (fr) | 1935-03-26 |
Family
ID=24779080
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR778904D Expired FR778904A (fr) | 1933-10-04 | 1934-09-26 | Dispositifs destinés à la traduction des vibrations |
Country Status (4)
Country | Link |
---|---|
US (1) | US1985005A (fr) |
DE (1) | DE630476C (fr) |
FR (1) | FR778904A (fr) |
GB (1) | GB422695A (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2508783A (en) * | 1945-02-16 | 1950-05-23 | Lionel B Cornwell | Electrical sound translating device |
US3118125A (en) * | 1959-06-18 | 1964-01-14 | Claude C Sims | Underwater sound transducer with sealed liquid coupling chamber |
US8098546B2 (en) | 2009-07-08 | 2012-01-17 | Geospace Technologies, Lp | Geophone having improved sensitivity |
US8050144B2 (en) | 2009-07-08 | 2011-11-01 | Geospace Technologies Lp | Vertical geophone having improved distortion characteristics |
US8208347B2 (en) | 2009-07-08 | 2012-06-26 | Geospace Technologies, Lp | Geophone having improved damping control |
-
1933
- 1933-10-04 US US692058A patent/US1985005A/en not_active Expired - Lifetime
-
1934
- 1934-09-26 FR FR778904D patent/FR778904A/fr not_active Expired
- 1934-09-27 DE DEE46048D patent/DE630476C/de not_active Expired
- 1934-10-01 GB GB27983/34A patent/GB422695A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB422695A (en) | 1935-01-16 |
US1985005A (en) | 1934-12-18 |
DE630476C (de) | 1936-05-28 |
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