FR579308A - Adjustable telephone and radiotelephone receiver - Google Patents
Adjustable telephone and radiotelephone receiverInfo
- Publication number
- FR579308A FR579308A FR579308DA FR579308A FR 579308 A FR579308 A FR 579308A FR 579308D A FR579308D A FR 579308DA FR 579308 A FR579308 A FR 579308A
- Authority
- FR
- France
- Prior art keywords
- radiotelephone receiver
- adjustable telephone
- telephone
- adjustable
- radiotelephone
- 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
- H04R13/00—Transducers having an acoustic diaphragm of magnetisable material directly co-acting with electromagnet
- H04R13/02—Telephone receivers
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR579308T | 1923-06-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR579308A true FR579308A (en) | 1924-10-14 |
Family
ID=8956009
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR579308D Expired FR579308A (en) | 1923-06-13 | 1923-06-13 | Adjustable telephone and radiotelephone receiver |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR579308A (en) |
-
1923
- 1923-06-13 FR FR579308D patent/FR579308A/en not_active Expired
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