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GB1206164A - Improvements in or relating to moving coil transducers - Google Patents

Improvements in or relating to moving coil transducers

Info

Publication number
GB1206164A
GB1206164A GB1130467A GB1130467A GB1206164A GB 1206164 A GB1206164 A GB 1206164A GB 1130467 A GB1130467 A GB 1130467A GB 1130467 A GB1130467 A GB 1130467A GB 1206164 A GB1206164 A GB 1206164A
Authority
GB
United Kingdom
Prior art keywords
housing
soft iron
cover
attached
march
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
GB1130467A
Other languages
English (en)
Inventor
James Samuel Paterson
Leslie Eugene Dymoke-Bradshaw
Norman William Tester
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Priority to GB1130467A priority Critical patent/GB1206164A/en
Priority to ES351448A priority patent/ES351448A1/es
Priority to NL6803468A priority patent/NL6803468A/xx
Publication of GB1206164A publication Critical patent/GB1206164A/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
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/10Telephone receivers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
GB1130467A 1967-03-10 1967-03-10 Improvements in or relating to moving coil transducers Expired GB1206164A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB1130467A GB1206164A (en) 1967-03-10 1967-03-10 Improvements in or relating to moving coil transducers
ES351448A ES351448A1 (es) 1967-03-10 1968-03-09 Un transductor de bobina movil.
NL6803468A NL6803468A (es) 1967-03-10 1968-03-11

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1130467A GB1206164A (en) 1967-03-10 1967-03-10 Improvements in or relating to moving coil transducers

Publications (1)

Publication Number Publication Date
GB1206164A true GB1206164A (en) 1970-09-23

Family

ID=9983788

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1130467A Expired GB1206164A (en) 1967-03-10 1967-03-10 Improvements in or relating to moving coil transducers

Country Status (3)

Country Link
ES (1) ES351448A1 (es)
GB (1) GB1206164A (es)
NL (1) NL6803468A (es)

Also Published As

Publication number Publication date
ES351448A1 (es) 1969-06-01
NL6803468A (es) 1968-09-11

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Legal Events

Date Code Title Description
PS Patent sealed
435 Patent endorsed 'licences of right' on the date specified (sect. 35/1949)
PCNP Patent ceased through non-payment of renewal fee