CH207878A - Schwingungswandler zum Umsetzen von mechanischen Schwingungen in elektrische Ströme. - Google Patents
Schwingungswandler zum Umsetzen von mechanischen Schwingungen in elektrische Ströme.Info
- Publication number
- CH207878A CH207878A CH207878DA CH207878A CH 207878 A CH207878 A CH 207878A CH 207878D A CH207878D A CH 207878DA CH 207878 A CH207878 A CH 207878A
- Authority
- CH
- Switzerland
- Prior art keywords
- mechanical vibrations
- electrical currents
- converting mechanical
- vibration converter
- converter
- Prior art date
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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Telephone Set Structure (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE207878X | 1937-07-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH207878A true CH207878A (de) | 1939-12-15 |
Family
ID=5793934
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH207878D CH207878A (de) | 1937-07-28 | 1938-07-26 | Schwingungswandler zum Umsetzen von mechanischen Schwingungen in elektrische Ströme. |
Country Status (6)
Country | Link |
---|---|
US (1) | US2240918A (ko) |
BE (1) | BE429396A (ko) |
CH (1) | CH207878A (ko) |
FR (1) | FR841322A (ko) |
GB (1) | GB510297A (ko) |
NL (1) | NL54031C (ko) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2473650A (en) * | 1943-06-10 | 1949-06-21 | Zenith Radio Corp | Phonograph pickup with mechanical filter |
US2547361A (en) * | 1947-05-19 | 1951-04-03 | Donald J Baker | Pickup head using torsional mount for armatures |
US2622156A (en) * | 1949-01-27 | 1952-12-16 | Donald J Baker | Pickup head with removable armature and stylus assembly |
US2637920A (en) * | 1949-04-28 | 1953-05-12 | Richard H Hallsted | Barrier for motor vehicle parking systems |
NL251609A (ko) * | 1959-05-21 |
-
0
- BE BE429396D patent/BE429396A/xx unknown
- NL NL54031D patent/NL54031C/xx active
-
1938
- 1938-06-18 US US214608A patent/US2240918A/en not_active Expired - Lifetime
- 1938-07-25 GB GB22052/38A patent/GB510297A/en not_active Expired
- 1938-07-26 CH CH207878D patent/CH207878A/de unknown
- 1938-07-28 FR FR841322D patent/FR841322A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE429396A (ko) | |
US2240918A (en) | 1941-05-06 |
FR841322A (fr) | 1939-05-17 |
NL54031C (ko) | |
GB510297A (en) | 1939-07-31 |
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