GB208476A - A device or appliance for use with the headphones of wireless telephone sets, and with the receivers of ordinary telephones - Google Patents

A device or appliance for use with the headphones of wireless telephone sets, and with the receivers of ordinary telephones

Info

Publication number
GB208476A
GB208476A GB1231323A GB1231323A GB208476A GB 208476 A GB208476 A GB 208476A GB 1231323 A GB1231323 A GB 1231323A GB 1231323 A GB1231323 A GB 1231323A GB 208476 A GB208476 A GB 208476A
Authority
GB
United Kingdom
Prior art keywords
headphones
receivers
appliance
wireless telephone
telephone sets
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
GB1231323A
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.)
JOHN SCOTT CATTELL
Original Assignee
JOHN SCOTT CATTELL
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 JOHN SCOTT CATTELL filed Critical JOHN SCOTT CATTELL
Priority to GB1231323A priority Critical patent/GB208476A/en
Publication of GB208476A publication Critical patent/GB208476A/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
    • H04R1/1008—Earpieces of the supra-aural or circum-aural type
    • 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

Landscapes

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

Abstract

208,476. Cattell, J. S. May 8, 1923. Earpieces and attachments.-A device for use with telephone receivers comprises a rubber cup with an outer part a to fit round the ear of the user and a part b of smaller diameter so shaped as to be fitted on and grip the rounded portion or bead of the telephone receiver. Specifications 7729/90, [Class 119, Small arms], and 133,982 are referred to.
GB1231323A 1923-05-08 1923-05-08 A device or appliance for use with the headphones of wireless telephone sets, and with the receivers of ordinary telephones Expired GB208476A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1231323A GB208476A (en) 1923-05-08 1923-05-08 A device or appliance for use with the headphones of wireless telephone sets, and with the receivers of ordinary telephones

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1231323A GB208476A (en) 1923-05-08 1923-05-08 A device or appliance for use with the headphones of wireless telephone sets, and with the receivers of ordinary telephones

Publications (1)

Publication Number Publication Date
GB208476A true GB208476A (en) 1923-12-20

Family

ID=10002212

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1231323A Expired GB208476A (en) 1923-05-08 1923-05-08 A device or appliance for use with the headphones of wireless telephone sets, and with the receivers of ordinary telephones

Country Status (1)

Country Link
GB (1) GB208476A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2154390A (en) * 1984-02-14 1985-09-04 Michael George Scott Debenham Telephone handset earpiece attachment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2154390A (en) * 1984-02-14 1985-09-04 Michael George Scott Debenham Telephone handset earpiece attachment

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