FR599981A - Telephone receiver - Google Patents
Telephone receiverInfo
- Publication number
- FR599981A FR599981A FR599981DA FR599981A FR 599981 A FR599981 A FR 599981A FR 599981D A FR599981D A FR 599981DA FR 599981 A FR599981 A FR 599981A
- Authority
- FR
- France
- Prior art keywords
- telephone receiver
- telephone
- receiver
- 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
- H04R11/00—Transducers of moving-armature or moving-core type
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Electromagnets (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT235920X | 1924-06-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR599981A true FR599981A (en) | 1926-01-27 |
Family
ID=3670002
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR599981D Expired FR599981A (en) | 1924-06-23 | 1925-06-22 | Telephone receiver |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR599981A (en) |
GB (1) | GB235920A (en) |
-
1925
- 1925-06-22 FR FR599981D patent/FR599981A/en not_active Expired
- 1925-06-23 GB GB16229/25A patent/GB235920A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB235920A (en) | 1926-07-15 |
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