NL75135C - - Google Patents

Info

Publication number
NL75135C
NL75135C NL75135DA NL75135C NL 75135 C NL75135 C NL 75135C NL 75135D A NL75135D A NL 75135DA NL 75135 C NL75135 C NL 75135C
Authority
NL
Netherlands
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 NL75135C publication Critical patent/NL75135C/xx

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
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/12—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
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/002—Damping circuit arrangements for transducers, e.g. motional feedback circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/12—Gramophone pick-ups using a stylus; Recorders using a stylus
    • H04R9/16—Gramophone pick-ups using a stylus; Recorders using a stylus signals recorded or played back by vibration of a stylus in two orthogonal directions simultaneously

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Holding Or Fastening Of Disk On Rotational Shaft (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
NL75135D 1947-01-11 NL75135C (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK646180X 1947-01-11

Publications (1)

Publication Number Publication Date
NL75135C true NL75135C (enrdf_load_html_response)

Family

ID=8151990

Family Applications (1)

Application Number Title Priority Date Filing Date
NL75135D NL75135C (enrdf_load_html_response) 1947-01-11

Country Status (4)

Country Link
US (1) US2617894A (enrdf_load_html_response)
DE (1) DE823799C (enrdf_load_html_response)
GB (1) GB646180A (enrdf_load_html_response)
NL (1) NL75135C (enrdf_load_html_response)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1134527B (de) * 1960-01-30 1962-08-09 Georg Neumann Elektromechanischer Wandler mit Gegenkopplung zur Aufzeichnung und Wiedergabe von Schallschwingungen in Einkomponentenschrift

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1535538A (en) * 1923-01-03 1925-04-28 Western Electric Co Vibratory system
US1833070A (en) * 1929-04-15 1931-11-24 Conner Crouse Corp Electromechanical translating device
US1803273A (en) * 1929-07-25 1931-04-28 Cleveland Trust Co Phonograph pick-up
US1995177A (en) * 1932-12-10 1935-03-19 Rca Corp Electromagnetic pick up device
US2155469A (en) * 1936-05-29 1939-04-25 Rca Corp Signal translating apparatus
NL61306C (enrdf_load_html_response) * 1937-10-07
US2386089A (en) * 1944-03-31 1945-10-02 Philco Radio & Television Corp Phonograph pickup device
BE473326A (enrdf_load_html_response) * 1944-09-07
US2410329A (en) * 1944-09-08 1946-10-29 Philco Corp Electrical apparatus
US2461190A (en) * 1945-08-04 1949-02-08 Eastman Kodak Co Adjustable mount for optical elements

Also Published As

Publication number Publication date
US2617894A (en) 1952-11-11
DE823799C (de) 1951-12-06
GB646180A (en) 1950-11-15

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