GB224003A - Improvements in sound amplifying apparatus for telephone and the like receivers - Google Patents

Improvements in sound amplifying apparatus for telephone and the like receivers

Info

Publication number
GB224003A
GB224003A GB1995023A GB1995023A GB224003A GB 224003 A GB224003 A GB 224003A GB 1995023 A GB1995023 A GB 1995023A GB 1995023 A GB1995023 A GB 1995023A GB 224003 A GB224003 A GB 224003A
Authority
GB
United Kingdom
Prior art keywords
telephone
receivers
amplifying apparatus
sound amplifying
sound
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
GB1995023A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB1995023A priority Critical patent/GB224003A/en
Publication of GB224003A publication Critical patent/GB224003A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1058—Manufacture or assembly
    • H04R1/1066—Constructional aspects of the interconnection between earpiece and earpiece support
    • 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
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H04R5/033—Headphones for stereophonic communication
    • H04R5/0335—Earpiece support, e.g. headbands or neckrests

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Manufacturing & Machinery (AREA)
  • Telephone Set Structure (AREA)

Abstract

224,003. Aytiffe, H. Aug. 3, 1923. Drawings to Specification. Sound-magnifying appliances.-The Provisional Specification describes a sound box upon which a telephone receiver is placed and which is connected to earpieces. A conical spiral spring is located within the central aperture of the sound box.
GB1995023A 1923-08-03 1923-08-03 Improvements in sound amplifying apparatus for telephone and the like receivers Expired GB224003A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1995023A GB224003A (en) 1923-08-03 1923-08-03 Improvements in sound amplifying apparatus for telephone and the like receivers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1995023A GB224003A (en) 1923-08-03 1923-08-03 Improvements in sound amplifying apparatus for telephone and the like receivers

Publications (1)

Publication Number Publication Date
GB224003A true GB224003A (en) 1924-11-03

Family

ID=10137826

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1995023A Expired GB224003A (en) 1923-08-03 1923-08-03 Improvements in sound amplifying apparatus for telephone and the like receivers

Country Status (1)

Country Link
GB (1) GB224003A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1125486B (en) * 1960-03-17 1962-03-15 Akg Akustische Kino Geraete Headphones with springy headband
GB2304488A (en) * 1995-08-17 1997-03-19 Sony Corp Cordless headphones' earpieces are spring-biassed to retracted position, operate on/off switch
CN117041799A (en) * 2023-08-21 2023-11-10 深圳伊尔巴斯科技有限公司 Earphone box and bluetooth headset matched with same

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1125486B (en) * 1960-03-17 1962-03-15 Akg Akustische Kino Geraete Headphones with springy headband
GB2304488A (en) * 1995-08-17 1997-03-19 Sony Corp Cordless headphones' earpieces are spring-biassed to retracted position, operate on/off switch
US5708725A (en) * 1995-08-17 1998-01-13 Sony Corporation Wireless headphone with a spring-biased activating power switch
GB2304488B (en) * 1995-08-17 1999-06-09 Sony Corp Headphone
CN117041799A (en) * 2023-08-21 2023-11-10 深圳伊尔巴斯科技有限公司 Earphone box and bluetooth headset matched with same

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