GB338068A - Improvements in and relating to driving systems for electromagnetic loud speakers - Google Patents

Improvements in and relating to driving systems for electromagnetic loud speakers

Info

Publication number
GB338068A
GB338068A GB1688/30A GB168830A GB338068A GB 338068 A GB338068 A GB 338068A GB 1688/30 A GB1688/30 A GB 1688/30A GB 168830 A GB168830 A GB 168830A GB 338068 A GB338068 A GB 338068A
Authority
GB
United Kingdom
Prior art keywords
armature
base plate
limbs
screws
magnet
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
GB1688/30A
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.)
IDEAL WERKE AG
Original Assignee
IDEAL WERKE AG
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 IDEAL WERKE AG filed Critical IDEAL WERKE AG
Publication of GB338068A publication Critical patent/GB338068A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R11/00Transducers of moving-armature or moving-core type

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
GB1688/30A 1929-11-25 1930-01-17 Improvements in and relating to driving systems for electromagnetic loud speakers Expired GB338068A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEI39935D DE552460C (de) 1929-11-25 1929-11-25 Blattfedersystem zum Einspannen des Ankers elektromagnetischer Antriebssysteme

Publications (1)

Publication Number Publication Date
GB338068A true GB338068A (en) 1930-11-13

Family

ID=25817279

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1688/30A Expired GB338068A (en) 1929-11-25 1930-01-17 Improvements in and relating to driving systems for electromagnetic loud speakers

Country Status (6)

Country Link
AT (1) AT125120B (enrdf_load_stackoverflow)
BE (1) BE367194A (enrdf_load_stackoverflow)
DE (1) DE552460C (enrdf_load_stackoverflow)
ES (1) ES120458A1 (enrdf_load_stackoverflow)
FR (1) FR689065A (enrdf_load_stackoverflow)
GB (1) GB338068A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
ES120458A1 (es) 1931-01-16
FR689065A (fr) 1930-09-02
AT125120B (de) 1931-10-26
DE552460C (de) 1932-06-18
BE367194A (enrdf_load_stackoverflow) 1930-02-28

Similar Documents

Publication Publication Date Title
US2412123A (en) Electromagnetic device
GB338068A (en) Improvements in and relating to driving systems for electromagnetic loud speakers
US1871739A (en) Driving unit for sound reproducers
US2559399A (en) Polarized electromagnetic relay
GB650207A (en) Improvements in or relating to polarised relays
US1756791A (en) Loud-speaker unit
GB355227A (en) Improvements relating to the mounting of vibrating reeds, more particularly for use in connection with electromagnetic gramophone pick-ups, loud speakers and the like
GB368112A (en) Improvements in and relating to sound reproducing apparatus
US1771127A (en) Telephone magnet system
US2519916A (en) Inertial electromagnetic throat microphone
US2864038A (en) Electromagnetic device
US1718009A (en) Loud-speaker and sound-reproducing unit
US1866231A (en) Sound emitting device
US1986984A (en) Amplifying device
US1861105A (en) Loud speaker
GB577482A (en) Improvements in or relating to electromagnetic interrupters
GB341647A (en) Improvements in electro-magnetic vibratory devices such, for example, as loudspeakers
GB324608A (en) Improvements relating to loud speakers
GB241343A (en) Improvements in and relating to devices for transmitting or reproducing sound
GB325227A (en) Improvements in or relating to electro-acoustic devices such as loud-speakers
US1689388A (en) Telephone receiver
US1876790A (en) Electromagnetic receiving and transmitting instrument
GB337094A (en) Improvements in, or relating to, electrical sound reproducing apparatus
GB325354A (en) Electromagnetic sound reproducer
GB221923A (en) Improvements in or relating to loud speaking telephones