GB892298A - - Google Patents

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Publication number
GB892298A
GB892298A GB892298DA GB892298A GB 892298 A GB892298 A GB 892298A GB 892298D A GB892298D A GB 892298DA GB 892298 A GB892298 A GB 892298A
Authority
GB
United Kingdom
Prior art keywords
head
band
switch
march
operated
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.)
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Application number
Publication of GB892298A publication Critical patent/GB892298A/en
Active legal-status Critical Current

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  • Preliminary Treatment Of Fibers (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Tents Or Canopies (AREA)

Abstract

892,298. Head-sets. FERRANTI METERS Ltd., DENIS, and ROBINSON, H. H. March 1960 [March 19, 1959], No. 9598/59. Class 40 (4). In a head-set having a head-band, a switch on the head-band is automatically operated when the head-set is placed on the head. The switch 4 is mounted on a flexible strip 3 which is attached to the head-band at 7. A comparatively rigid strip 6 has elongated holes at 9 and 7 so that its position is adjustable and on opening the head-band, switch plunger 5, which has " over travel facilities," is operated.
GB892298D Active GB892298A (en)

Publications (1)

Publication Number Publication Date
GB892298A true GB892298A (en)

Family

ID=1753106

Family Applications (1)

Application Number Title Priority Date Filing Date
GB892298D Active GB892298A (en)

Country Status (1)

Country Link
GB (1) GB892298A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4229829A (en) * 1978-03-16 1980-10-21 Grunwald Peter H Apparatus for wireless transmission of a teaching program in a classroom
US5056161A (en) * 1989-09-26 1991-10-15 Bose Corporation Headset having reduced width nested bands which are grasped by earcup supporting block

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4229829A (en) * 1978-03-16 1980-10-21 Grunwald Peter H Apparatus for wireless transmission of a teaching program in a classroom
US5056161A (en) * 1989-09-26 1991-10-15 Bose Corporation Headset having reduced width nested bands which are grasped by earcup supporting block

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