GB518442A - Electro-mechanical vibration translating systems - Google Patents

Electro-mechanical vibration translating systems

Info

Publication number
GB518442A
GB518442A GB28295/38A GB2829538A GB518442A GB 518442 A GB518442 A GB 518442A GB 28295/38 A GB28295/38 A GB 28295/38A GB 2829538 A GB2829538 A GB 2829538A GB 518442 A GB518442 A GB 518442A
Authority
GB
United Kingdom
Prior art keywords
coil
driving
driven
fed
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
Application number
GB28295/38A
Other languages
English (en)
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.)
Electrical Research Products Inc
Original Assignee
Electrical Research Products Inc
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
Application filed by Electrical Research Products Inc filed Critical Electrical Research Products Inc
Publication of GB518442A publication Critical patent/GB518442A/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
    • A01M23/00—Traps for animals
    • A01M23/02—Collecting-traps
    • A01M23/04—Collecting-traps with tipping platforms
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/34—Negative-feedback-circuit arrangements with or without positive feedback
    • H03F1/36—Negative-feedback-circuit arrangements with or without positive feedback in discharge-tube amplifiers
    • 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
    • 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

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Pest Control & Pesticides (AREA)
  • Insects & Arthropods (AREA)
  • Power Engineering (AREA)
  • Environmental Sciences (AREA)
  • Zoology (AREA)
  • Wood Science & Technology (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Amplifiers (AREA)
GB28295/38A 1937-10-07 1938-09-29 Electro-mechanical vibration translating systems Expired GB518442A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US167708A US2161489A (en) 1937-10-07 1937-10-07 Vibratory system

Publications (1)

Publication Number Publication Date
GB518442A true GB518442A (en) 1940-02-27

Family

ID=22608481

Family Applications (1)

Application Number Title Priority Date Filing Date
GB28295/38A Expired GB518442A (en) 1937-10-07 1938-09-29 Electro-mechanical vibration translating systems

Country Status (5)

Country Link
US (1) US2161489A (OSRAM)
DE (1) DE868076C (OSRAM)
FR (1) FR844068A (OSRAM)
GB (1) GB518442A (OSRAM)
NL (1) NL61306C (OSRAM)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE457138A (OSRAM) * 1943-07-09
US2508783A (en) * 1945-02-16 1950-05-23 Lionel B Cornwell Electrical sound translating device
US2475200A (en) * 1945-06-28 1949-07-05 Rca Corp Signal recording apparatus
US2522567A (en) * 1946-06-21 1950-09-19 Emory G Cook Amplifier feed-back system for magnetic motors
NL75135C (OSRAM) * 1947-01-11
US2531242A (en) * 1947-09-05 1950-11-21 Bell Telephone Labor Inc Electrodynamic phonograph pickup
US2622156A (en) * 1949-01-27 1952-12-16 Donald J Baker Pickup head with removable armature and stylus assembly
US2858375A (en) * 1955-10-11 1958-10-28 Rca Corp Wide range dynamic phonograph pickup
US3020361A (en) * 1956-01-23 1962-02-06 Jerry B Minter Electromagnetic engraving apparatus
DE1031536B (de) * 1956-03-16 1958-06-04 Teldec Telefunken Decca Mechanisch-elektrischer Wandler fuer die Erzeugung oder Abtastung einer rillenfoermigen Tonspur
BE555963A (OSRAM) * 1956-03-20
DE1121826B (de) * 1960-02-02 1962-01-11 Telefunken Gmbh Mechanisch-elektrischer Wandler fuer die Erzeugung oder Abtastung einer rillenfoermigen Tonspur

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE357316C (de) * 1922-08-22 Horace Owen Merriman Apparat zum Aufzeichnen von Toenen
GB160223A (en) * 1919-11-18 1921-03-18 Adrian Francis Sykes Improvements in telephonic and like apparatus
US1535538A (en) * 1923-01-03 1925-04-28 Western Electric Co Vibratory system
US1645582A (en) * 1924-11-20 1927-10-18 Studebaker Corp Top construction
GB350998A (en) * 1930-03-10 1931-06-10 Alan Dower Blumlein Improvements in apparatus for recording sounds upon wax or other like discs or blanks

Also Published As

Publication number Publication date
US2161489A (en) 1939-06-06
DE868076C (de) 1953-02-23
FR844068A (fr) 1939-07-18
NL61306C (OSRAM)

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