CH206043A - Bobinage pour écouteurs téléphoniques, haut-parleurs et appareils analogues. - Google Patents
Bobinage pour écouteurs téléphoniques, haut-parleurs et appareils analogues.Info
- Publication number
- CH206043A CH206043A CH206043DA CH206043A CH 206043 A CH206043 A CH 206043A CH 206043D A CH206043D A CH 206043DA CH 206043 A CH206043 A CH 206043A
- Authority
- CH
- Switzerland
- Prior art keywords
- loudspeakers
- winding
- similar devices
- headphones
- telephone
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R11/00—Transducers of moving-armature or moving-core type
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Acoustics & Sound (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Emergency Protection Circuit Devices (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO206043X | 1934-11-26 | ||
| CS477227X | 1935-11-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH206043A true CH206043A (fr) | 1939-07-15 |
Family
ID=25746769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH206043D CH206043A (fr) | 1934-11-26 | 1935-11-23 | Bobinage pour écouteurs téléphoniques, haut-parleurs et appareils analogues. |
Country Status (2)
| Country | Link |
|---|---|
| CH (1) | CH206043A (fr) |
| GB (2) | GB462224A (fr) |
-
1935
- 1935-06-01 GB GB15956/35A patent/GB462224A/en not_active Expired
- 1935-11-23 CH CH206043D patent/CH206043A/fr unknown
-
1936
- 1936-11-09 GB GB30526/36A patent/GB477227A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB462224A (en) | 1937-03-01 |
| GB477227A (en) | 1937-12-24 |
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