FR1501224A - Tige porte-saphir pour phonographes - Google Patents
Tige porte-saphir pour phonographesInfo
- Publication number
- FR1501224A FR1501224A FR83239A FR83239A FR1501224A FR 1501224 A FR1501224 A FR 1501224A FR 83239 A FR83239 A FR 83239A FR 83239 A FR83239 A FR 83239A FR 1501224 A FR1501224 A FR 1501224A
- Authority
- FR
- France
- Prior art keywords
- phonographs
- sapphire rod
- sapphire
- rod
- 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
- 229910052594 sapphire Inorganic materials 0.000 title 1
- 239000010980 sapphire Substances 0.000 title 1
Classifications
-
- 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)
- Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB4786865A GB1159386A (en) | 1965-11-11 | 1965-11-11 | Improvements in or relating to Gramophone Transducers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1501224A true FR1501224A (fr) | 1967-11-10 |
Family
ID=10446530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR83239A Expired FR1501224A (fr) | 1965-11-11 | 1966-11-10 | Tige porte-saphir pour phonographes |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE1547057A1 (show.php) |
| FR (1) | FR1501224A (show.php) |
| GB (1) | GB1159386A (show.php) |
| NL (1) | NL6615423A (show.php) |
-
1965
- 1965-11-11 GB GB4786865A patent/GB1159386A/en not_active Expired
-
1966
- 1966-11-01 NL NL6615423A patent/NL6615423A/xx unknown
- 1966-11-10 DE DE19661547057 patent/DE1547057A1/de active Pending
- 1966-11-10 FR FR83239A patent/FR1501224A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1547057A1 (de) | 1969-10-23 |
| GB1159386A (en) | 1969-07-23 |
| NL6615423A (show.php) | 1967-05-12 |
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