DE868076C - Einrichtung zur elektro-mechanischen Schwingungsuebertragung - Google Patents

Einrichtung zur elektro-mechanischen Schwingungsuebertragung

Info

Publication number
DE868076C
DE868076C DEW718D DEW0000718D DE868076C DE 868076 C DE868076 C DE 868076C DE W718 D DEW718 D DE W718D DE W0000718 D DEW0000718 D DE W0000718D DE 868076 C DE868076 C DE 868076C
Authority
DE
Germany
Prior art keywords
coil
regenerative
driven
feedback
air gaps
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
DEW718D
Other languages
German (de)
English (en)
Inventor
Leonard Vieth
Charles Fred Wiebusch
George Robert Yenzer
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.)
AT&T Corp
Original Assignee
Western Electric Co 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 Western Electric Co Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of DE868076C publication Critical patent/DE868076C/de
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)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Amplifiers (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
DEW718D 1937-10-07 1938-10-07 Einrichtung zur elektro-mechanischen Schwingungsuebertragung Expired DE868076C (de)

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
DE868076C true DE868076C (de) 1953-02-23

Family

ID=22608481

Family Applications (1)

Application Number Title Priority Date Filing Date
DEW718D Expired DE868076C (de) 1937-10-07 1938-10-07 Einrichtung zur elektro-mechanischen Schwingungsuebertragung

Country Status (5)

Country Link
US (1) US2161489A (en, 2012)
DE (1) DE868076C (en, 2012)
FR (1) FR844068A (en, 2012)
GB (1) GB518442A (en, 2012)
NL (1) NL61306C (en, 2012)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE457138A (en, 2012) * 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 (en, 2012) * 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 (en, 2012) * 1956-03-20
DE1121826B (de) * 1960-02-02 1962-01-11 Telefunken Gmbh Mechanisch-elektrischer Wandler fuer die Erzeugung oder Abtastung einer rillenfoermigen Tonspur

Citations (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
DE400634C (de) * 1919-11-18 1924-08-16 Adrian Francis Sykes Vorrichtung zur Aufzeichnung von Lauten auf elektromagnetischem Wege
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

Patent Citations (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
DE400634C (de) * 1919-11-18 1924-08-16 Adrian Francis Sykes Vorrichtung zur Aufzeichnung von Lauten auf elektromagnetischem Wege
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
NL61306C (en, 2012)
GB518442A (en) 1940-02-27
FR844068A (fr) 1939-07-18
US2161489A (en) 1939-06-06

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