US2086415A - Magnetic pick-up - Google Patents

Magnetic pick-up Download PDF

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Publication number
US2086415A
US2086415A US703742A US70374233A US2086415A US 2086415 A US2086415 A US 2086415A US 703742 A US703742 A US 703742A US 70374233 A US70374233 A US 70374233A US 2086415 A US2086415 A US 2086415A
Authority
US
United States
Prior art keywords
pick
armature
air gap
pole pieces
pole piece
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 - Lifetime
Application number
US703742A
Other languages
English (en)
Inventor
Guedon Emile Charles
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.)
RCA Corp
Original Assignee
RCA Corp
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 to BE406977D priority Critical patent/BE406977A/xx
Priority claimed from US12977A external-priority patent/US1728879A/en
Application filed by RCA Corp filed Critical RCA Corp
Priority to US703742A priority patent/US2086415A/en
Priority to DE1934R0092200 priority patent/DE637216C/de
Application granted granted Critical
Publication of US2086415A publication Critical patent/US2086415A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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

Definitions

  • Fig. 5 is a bottom view of the pole piece unit shown in Fig. 4;

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Electromagnetism (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
US703742A 1925-03-03 1933-12-23 Magnetic pick-up Expired - Lifetime US2086415A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
BE406977D BE406977A (enrdf_load_stackoverflow) 1925-03-03
US703742A US2086415A (en) 1925-03-03 1933-12-23 Magnetic pick-up
DE1934R0092200 DE637216C (de) 1933-12-23 1934-12-23 Elektromagnetischer Tonabnehmer

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12977A US1728879A (en) 1925-03-03 1925-03-03 Amplifying system
US703742A US2086415A (en) 1925-03-03 1933-12-23 Magnetic pick-up

Publications (1)

Publication Number Publication Date
US2086415A true US2086415A (en) 1937-07-06

Family

ID=26684267

Family Applications (1)

Application Number Title Priority Date Filing Date
US703742A Expired - Lifetime US2086415A (en) 1925-03-03 1933-12-23 Magnetic pick-up

Country Status (2)

Country Link
US (1) US2086415A (enrdf_load_stackoverflow)
BE (1) BE406977A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
BE406977A (enrdf_load_stackoverflow)

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