GB136693A - Improvements in Signalling Apparatus. - Google Patents

Improvements in Signalling Apparatus.

Info

Publication number
GB136693A
GB136693A GB227019A GB227019A GB136693A GB 136693 A GB136693 A GB 136693A GB 227019 A GB227019 A GB 227019A GB 227019 A GB227019 A GB 227019A GB 136693 A GB136693 A GB 136693A
Authority
GB
United Kingdom
Prior art keywords
signalling apparatus
aviator
rheostat
cohen
resistances
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
GB227019A
Inventor
Bertram Sydney Cohen
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 GB227019A priority Critical patent/GB136693A/en
Publication of GB136693A publication Critical patent/GB136693A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
    • G08B5/22—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission
    • G08B5/36—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources
    • G08B5/38—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources using flashing light

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Toys (AREA)

Abstract

136,693. Cohen, B. S. Jan. 29, 1919. Drawings to Specification. Resistances.-In a rheostat for use by an aviator, the cover forms the handle to facilitate manipulation by a gloved hand.
GB227019A 1919-01-29 1919-01-29 Improvements in Signalling Apparatus. Expired GB136693A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB227019A GB136693A (en) 1919-01-29 1919-01-29 Improvements in Signalling Apparatus.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB227019A GB136693A (en) 1919-01-29 1919-01-29 Improvements in Signalling Apparatus.

Publications (1)

Publication Number Publication Date
GB136693A true GB136693A (en) 1919-12-24

Family

ID=32481391

Family Applications (1)

Application Number Title Priority Date Filing Date
GB227019A Expired GB136693A (en) 1919-01-29 1919-01-29 Improvements in Signalling Apparatus.

Country Status (1)

Country Link
GB (1) GB136693A (en)

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