FR1218480A - Perfectionnements aux têtes de lecture à gravure stéréophonique pour disques - Google Patents
Perfectionnements aux têtes de lecture à gravure stéréophonique pour disquesInfo
- Publication number
- FR1218480A FR1218480A FR780476A FR780476A FR1218480A FR 1218480 A FR1218480 A FR 1218480A FR 780476 A FR780476 A FR 780476A FR 780476 A FR780476 A FR 780476A FR 1218480 A FR1218480 A FR 1218480A
- Authority
- FR
- France
- Prior art keywords
- read heads
- record read
- stereophonic record
- stereophonic
- heads
- 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
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/04—Plane diaphragms
- H04R7/06—Plane diaphragms comprising a plurality of sections or layers
- H04R7/08—Plane diaphragms comprising a plurality of sections or layers comprising superposed layers separated by air or other fluid
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R17/00—Piezoelectric transducers; Electrostrictive transducers
- H04R17/04—Gramophone pick-ups using a stylus; Recorders using a stylus
- H04R17/08—Gramophone pick-ups using a stylus; Recorders using a stylus signals being recorded or played back by vibration of a stylus in two orthogonal directions simultaneously
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/04—Plane diaphragms
- H04R7/06—Plane diaphragms comprising a plurality of sections or layers
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Electrophonic Musical Instruments (AREA)
- Auxiliary Devices For Music (AREA)
- Stringed Musical Instruments (AREA)
- Automatic Disk Changers (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR780476A FR1218480A (fr) | 1958-12-01 | 1958-12-01 | Perfectionnements aux têtes de lecture à gravure stéréophonique pour disques |
GB4071559A GB937208A (en) | 1958-12-01 | 1959-12-01 | Improvements in or relating to pick-ups for gramophone record playing apparatus |
DEI17311A DE1179730B (de) | 1958-12-01 | 1959-12-01 | Tonabnehmer zum Abtasten von stereo-phonisch aufgenommenen Schallplatten |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR780476A FR1218480A (fr) | 1958-12-01 | 1958-12-01 | Perfectionnements aux têtes de lecture à gravure stéréophonique pour disques |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1218480A true FR1218480A (fr) | 1960-05-11 |
Family
ID=8708803
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR780476A Expired FR1218480A (fr) | 1958-12-01 | 1958-12-01 | Perfectionnements aux têtes de lecture à gravure stéréophonique pour disques |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE1179730B (fr) |
FR (1) | FR1218480A (fr) |
GB (1) | GB937208A (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3219352A (en) * | 1963-04-16 | 1965-11-23 | Gen Electric | Stylus captivator for phonograph cartridge |
US3439921A (en) * | 1965-08-25 | 1969-04-22 | Sonotone Corp | Phonograph pickup |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3523690A (en) * | 1965-10-11 | 1970-08-11 | Electro Voice | Phonograph pickup |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE11092C (de) * | H. BÜSSING in Braunschweig | Weichen- und Signal-Stellapparat für 2 Weichen und 1 Signal |
-
1958
- 1958-12-01 FR FR780476A patent/FR1218480A/fr not_active Expired
-
1959
- 1959-12-01 DE DEI17311A patent/DE1179730B/de active Pending
- 1959-12-01 GB GB4071559A patent/GB937208A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3219352A (en) * | 1963-04-16 | 1965-11-23 | Gen Electric | Stylus captivator for phonograph cartridge |
US3439921A (en) * | 1965-08-25 | 1969-04-22 | Sonotone Corp | Phonograph pickup |
Also Published As
Publication number | Publication date |
---|---|
GB937208A (en) | 1963-09-18 |
DE1179730B (de) | 1964-10-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR1172315A (fr) | Perfectionnements aux systèmes d'enregistrement à plusieurs canaux | |
FR1248127A (fr) | Perfectionnements aux matrices d'enregistrement | |
FR1222650A (fr) | Perfectionnements aux appareils d'exploration d'enregistrements | |
FR1227487A (fr) | Perfectionnements aux dispositifs d'enregistrement | |
FR1244561A (fr) | Perfectionnements aux supports d'information | |
FR1218480A (fr) | Perfectionnements aux têtes de lecture à gravure stéréophonique pour disques | |
FR1277182A (fr) | Perfectionnements aux appareils enregistreurs d'informations | |
BE603125A (fr) | Amplificateur de lecture pour enregistreur à matrice | |
FR1198858A (fr) | Disque d'enregistrement sonore perfectionné | |
FR1213611A (fr) | Perfectionnements aux changeurs de disques de phonographes | |
FR1164422A (fr) | Perfectionnements aux étuis pour disques de phonographes | |
FR1180858A (fr) | Perfectionnements aux têtes de lecture pour disques stéréophoniques | |
FR1130776A (fr) | Perfectionnements aux changeurs de disques de phonographe | |
FR1238024A (fr) | Perfectionnements aux têtes de lecture des électrophones | |
FR1208620A (fr) | Perfectionnements aux lecteurs phonographiques pour enregistrements stéréophoniques | |
FR1213872A (fr) | Perfectionnements aux phonographes | |
CA567553A (fr) | Tourne disque de phonographe | |
FR1235581A (fr) | Tête de lecture pour phonographes | |
BE579414A (fr) | Tête de lecture pour phonographes | |
FR1236372A (fr) | Phonographe changeur de disques | |
FR1205681A (fr) | Pochette pour disque de phonographe | |
FR1191183A (fr) | Pochette pour disque de phonographe | |
FR1227788A (fr) | Perfectionnements aux feuilles d'enregistrement sonore magnétique | |
FR1218520A (fr) | Disque de phonographe | |
FR1211152A (fr) | Perfectionnements aux enregistrements magnétiques |