FR601331A - Improvements to Headbands Used with Telephone Receivers - Google Patents

Improvements to Headbands Used with Telephone Receivers

Info

Publication number
FR601331A
FR601331A FR601331DA FR601331A FR 601331 A FR601331 A FR 601331A FR 601331D A FR601331D A FR 601331DA FR 601331 A FR601331 A FR 601331A
Authority
FR
France
Prior art keywords
telephone receivers
headbands
headbands used
receivers
telephone
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
Other languages
French (fr)
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.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR601331A publication Critical patent/FR601331A/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; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/105—Earpiece supports, e.g. ear hooks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H04R5/033—Headphones for stereophonic communication
    • H04R5/0335—Earpiece support, e.g. headbands or neckrests

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
FR601331D 1925-02-18 1925-07-27 Improvements to Headbands Used with Telephone Receivers Expired FR601331A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10027A US1616491A (en) 1925-02-18 1925-02-18 Headband for telephone receivers

Publications (1)

Publication Number Publication Date
FR601331A true FR601331A (en) 1926-01-27

Family

ID=21743402

Family Applications (1)

Application Number Title Priority Date Filing Date
FR601331D Expired FR601331A (en) 1925-02-18 1925-07-27 Improvements to Headbands Used with Telephone Receivers

Country Status (2)

Country Link
US (1) US1616491A (en)
FR (1) FR601331A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2460458A (en) * 1946-12-16 1949-02-01 Robert M Kobrin Headband and holder for telephone receivers
US2946860A (en) * 1957-01-03 1960-07-26 Rca Corp Headset
US2924672A (en) * 1958-08-26 1960-02-09 Roanwell Corp Headset
US3461463A (en) * 1967-06-09 1969-08-19 American Optical Corp Ear protector suspension devices and the combination with headgear
US9036850B2 (en) * 2013-06-19 2015-05-19 Google Technology Holdings LLC Augmented custom fit headset

Also Published As

Publication number Publication date
US1616491A (en) 1927-02-08

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