BE477727A - - Google Patents

Info

Publication number
BE477727A
BE477727A BE477727DA BE477727A BE 477727 A BE477727 A BE 477727A BE 477727D A BE477727D A BE 477727DA BE 477727 A BE477727 A BE 477727A
Authority
BE
Belgium
Application number
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.)
Publication of BE477727A publication Critical patent/BE477727A/xx
Priority claimed from US638378A external-priority patent/US2511663A/en

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)
  • Supporting Of Heads In Record-Carrier Devices (AREA)
  • Adornments (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
BE477727D 1945-12-29 BE477727A (xx)

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
BE477727A true BE477727A (xx)

Family

ID=26691336

Family Applications (2)

Application Number Title Priority Date Filing Date
BE498211D BE498211A (xx) 1945-12-29
BE477727D BE477727A (xx) 1945-12-29

Family Applications Before (1)

Application Number Title Priority Date Filing Date
BE498211D BE498211A (xx) 1945-12-29

Country Status (6)

Country Link
US (1) US2554208A (xx)
BE (2) BE477727A (xx)
CH (2) CH264022A (xx)
DE (2) DE821427C (xx)
FR (2) FR937629A (xx)
GB (3) GB636190A (xx)

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
US2711322A (en) * 1949-10-29 1955-06-21 Gen Electric Phonograph stylus support
US2639156A (en) * 1949-10-29 1953-05-19 Gen Electric Double-twist phonograph stylus assembly
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
BE551699A (xx) * 1955-10-13
US2820854A (en) * 1955-10-13 1958-01-21 Gen Electric Slide-in stylus assemblies
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 (xx) * 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
GB680684A (en) 1952-10-08
GB636190A (en) 1950-04-26
FR59168E (fr) 1954-05-06
US2554208A (en) 1951-05-22
BE498211A (xx)
DE821427C (de) 1951-11-19
CH264022A (de) 1949-09-30
GB685293A (en) 1952-12-31
DE856069C (de) 1952-11-17
CH279537A (de) 1951-11-30
FR937629A (fr) 1948-08-23

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