FR937629A - Perfectionnements aux lecteurs de phonographe - Google Patents

Perfectionnements aux lecteurs de phonographe

Info

Publication number
FR937629A
FR937629A FR937629DA FR937629A FR 937629 A FR937629 A FR 937629A FR 937629D A FR937629D A FR 937629DA FR 937629 A FR937629 A FR 937629A
Authority
FR
France
Prior art keywords
phonograph
players
phonograph players
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
Application number
Other languages
English (en)
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from US638378A external-priority patent/US2511663A/en
Application filed by Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR937629A publication Critical patent/FR937629A/fr
Expired legal-status Critical Current

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
    • 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
    • H04R11/00—Transducers of moving-armature or moving-core type
    • H04R11/08—Gramophone pick-ups using a stylus; Recorders using a stylus
    • 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
    • H04R11/08—Gramophone pick-ups using a stylus; Recorders using a stylus
    • H04R11/10—Gramophone pick-ups using a stylus; Recorders using a stylus comprising two or more styli or transducers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Electromagnetism (AREA)
  • Moving Of Heads (AREA)
  • Springs (AREA)
  • Adornments (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
  • Supporting Of Heads In Record-Carrier Devices (AREA)
FR937629D 1945-12-29 1946-12-24 Perfectionnements aux lecteurs de phonographe Expired FR937629A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US638378A US2511663A (en) 1945-12-29 1945-12-29 Magnetic phonograph pickup
US18648A US2554208A (en) 1945-12-29 1948-04-02 Phonograph pickup having a cantilever indexing arm

Publications (1)

Publication Number Publication Date
FR937629A true FR937629A (fr) 1948-08-23

Family

ID=26691336

Family Applications (2)

Application Number Title Priority Date Filing Date
FR937629D Expired FR937629A (fr) 1945-12-29 1946-12-24 Perfectionnements aux lecteurs de phonographe
FR59168D Expired FR59168E (fr) 1945-12-29 1949-03-30 Perfectionnements aux lecteurs de phonographe

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR59168D Expired FR59168E (fr) 1945-12-29 1949-03-30 Perfectionnements aux lecteurs de phonographe

Country Status (6)

Country Link
US (1) US2554208A (US06650917-20031118-M00005.png)
BE (2) BE477727A (US06650917-20031118-M00005.png)
CH (2) CH264022A (US06650917-20031118-M00005.png)
DE (2) DE821427C (US06650917-20031118-M00005.png)
FR (2) FR937629A (US06650917-20031118-M00005.png)
GB (3) GB636190A (US06650917-20031118-M00005.png)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2622156A (en) * 1949-01-27 1952-12-16 Donald J Baker Pickup head with removable armature and stylus assembly
US2639156A (en) * 1949-10-29 1953-05-19 Gen Electric Double-twist phonograph stylus assembly
US2711322A (en) * 1949-10-29 1955-06-21 Gen Electric Phonograph stylus support
DE972371C (de) * 1953-03-15 1959-07-09 Steinecker Maschf Anton Einrichtung zum Abfuellen von Kaesemasse
DE1135195B (de) * 1953-07-18 1962-08-23 Steidinger Geb Seitenschrift-Tonabnehmer fuer Sprechmaschinen
US2917590A (en) * 1954-08-17 1959-12-15 Walter O Stanton Magnetic phonograph pickup
DE1030053B (de) * 1954-11-15 1958-05-14 Steidinger Geb Tonabnehmer mit einer auswechselbaren Abtastnadel
US2820854A (en) * 1955-10-13 1958-01-21 Gen Electric Slide-in stylus assemblies
BE551699A (US06650917-20031118-M00005.png) * 1955-10-13
GB801360A (en) * 1955-10-13 1958-09-10 Gen Electric Improvements in phonograph stylus assemblies
US2988366A (en) * 1955-10-24 1961-06-13 Hans C Hansen Sound reproducing systems
JPS523282B1 (US06650917-20031118-M00005.png) * 1976-03-18 1977-01-27
DE10308628B4 (de) * 2003-02-27 2006-12-14 Markus Wassmer Verfahren zum Herstellen von abschnittsweise gebogenen Stäben

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB302190A (en) * 1927-07-11 1928-12-11 Columbia Graphophone Co Ltd Improvements in sound-reproducing instruments
US1835073A (en) * 1929-05-04 1931-12-08 Mcclatchie Stanley Phonograph pick-up device
US2110092A (en) * 1935-10-04 1938-03-01 Dictaphone Corp Commercial phonograph
US2224332A (en) * 1940-04-22 1940-12-10 Jr Bishop N Alsbrook Pickup arm construction for phonographs
US2271899A (en) * 1941-02-10 1942-02-03 Fred J Miller Releasing device for fishing lines
US2320416A (en) * 1941-06-23 1943-06-01 Webster Electric Co Inc Stylus for reproducers
US2363497A (en) * 1941-07-31 1944-11-28 Brush Dev Co Sound reproducing device
US2325343A (en) * 1942-01-28 1943-07-27 Astatic Corp Sound reproducing stylus
US2494438A (en) * 1946-05-31 1950-01-10 Radio Frequency Lab Inc Phonograph pickup

Also Published As

Publication number Publication date
DE821427C (de) 1951-11-19
CH264022A (de) 1949-09-30
DE856069C (de) 1952-11-17
BE498211A (US06650917-20031118-M00005.png)
GB685293A (en) 1952-12-31
CH279537A (de) 1951-11-30
GB636190A (en) 1950-04-26
BE477727A (US06650917-20031118-M00005.png)
US2554208A (en) 1951-05-22
GB680684A (en) 1952-10-08
FR59168E (fr) 1954-05-06

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