GB2064264B - Microphone unit - Google Patents

Microphone unit

Info

Publication number
GB2064264B
GB2064264B GB7941509A GB7941509A GB2064264B GB 2064264 B GB2064264 B GB 2064264B GB 7941509 A GB7941509 A GB 7941509A GB 7941509 A GB7941509 A GB 7941509A GB 2064264 B GB2064264 B GB 2064264B
Authority
GB
United Kingdom
Prior art keywords
microphone unit
microphone
unit
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
GB7941509A
Other versions
GB2064264A (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.)
Pye Electronic Products Ltd
Original Assignee
Pye Electronic Products Ltd
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 Pye Electronic Products Ltd filed Critical Pye Electronic Products Ltd
Priority to GB7941509A priority Critical patent/GB2064264B/en
Publication of GB2064264A publication Critical patent/GB2064264A/en
Application granted granted Critical
Publication of GB2064264B publication Critical patent/GB2064264B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/03—Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
    • H04M1/6008—Substation equipment, e.g. for use by subscribers including speech amplifiers in the transmitter circuit
    • 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
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/04—Structural association of microphone with electric circuitry therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Telephone Set Structure (AREA)
GB7941509A 1979-11-30 1979-11-30 Microphone unit Expired GB2064264B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7941509A GB2064264B (en) 1979-11-30 1979-11-30 Microphone unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7941509A GB2064264B (en) 1979-11-30 1979-11-30 Microphone unit

Publications (2)

Publication Number Publication Date
GB2064264A GB2064264A (en) 1981-06-10
GB2064264B true GB2064264B (en) 1983-08-03

Family

ID=10509546

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7941509A Expired GB2064264B (en) 1979-11-30 1979-11-30 Microphone unit

Country Status (1)

Country Link
GB (1) GB2064264B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE428081B (en) * 1981-10-07 1983-05-30 Ericsson Telefon Ab L M ADDITION FRAME FOR AN ELECTRIC MICROPHONE
FR2572616A1 (en) * 1984-10-30 1986-05-02 Thomson Csf PIEZOELECTRIC DIAPHRAGM ELECTRO-ACOUSTIC TRANSDUCER
JP2897246B2 (en) * 1989-04-03 1999-05-31 ソニー株式会社 Mobile radio telephone equipment
US5029236A (en) * 1989-05-10 1991-07-02 Sony Corporation Radiotelephone apparatus
SE9503884L (en) * 1995-11-03 1997-05-04 Ericsson Telefon Ab L M Procedure for mounting speakers and speaker assembly
SE9901756L (en) * 1999-05-12 2000-11-13 Ericsson Telefon Ab L M A house for a transmitter / receiver and a method for its composition
JP2002281134A (en) 2001-03-16 2002-09-27 Nec Corp Micro-unit mounting structure

Also Published As

Publication number Publication date
GB2064264A (en) 1981-06-10

Similar Documents

Publication Publication Date Title
GB2050111B (en) Variable-directivity microphone device
DE3070816D1 (en) Loud-speaker
GB2063008B (en) Loudspeaker sets
GB2062408B (en) Speaker
GB2062406B (en) Variable-directivity microphone device
JPS55106571A (en) Ultrasoniccwave transducer
JPS55155248A (en) Transducer
JPS5637621A (en) Electret
JPS5657910A (en) Transducer
GB2057225B (en) Piezo-electric loudspeaker
JPS5637620A (en) Electret
GB2064265B (en) Microphone unit
DE3062465D1 (en) Linear-displacement transducer
HK30383A (en) Elecret microphone
ZA797036B (en) Transducer
GB2064263B (en) Microphone unit
GB2036505B (en) Ear-supported microphone
GB2064264B (en) Microphone unit
JPS5683827A (en) Transducer
GB2049351B (en) Loudspeaker unit
JPS5694864A (en) Pushhbutton unit for telephone unit
JPS563760A (en) Structural unit
JPS5640884A (en) Diaply unit
GB2067057B (en) Sound system
JPS5651775A (en) Electricclight characterrdisplay unit

Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee