GB1418032A - Visual position indicators - Google Patents

Visual position indicators

Info

Publication number
GB1418032A
GB1418032A GB1836972A GB1836972A GB1418032A GB 1418032 A GB1418032 A GB 1418032A GB 1836972 A GB1836972 A GB 1836972A GB 1836972 A GB1836972 A GB 1836972A GB 1418032 A GB1418032 A GB 1418032A
Authority
GB
United Kingdom
Prior art keywords
display
differently coloured
visual position
rotation
light
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
GB1836972A
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.)
Allard Way Holdings Ltd
Original Assignee
Elliott Brothers London Ltd
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 Elliott Brothers London Ltd filed Critical Elliott Brothers London Ltd
Priority to GB1836972A priority Critical patent/GB1418032A/en
Priority to IT68128/73A priority patent/IT980880B/en
Priority to FR7314638A priority patent/FR2181074B1/fr
Publication of GB1418032A publication Critical patent/GB1418032A/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
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/04—Signs, boards or panels, illuminated from behind the insignia
    • G09F13/0418—Constructional details
    • G09F13/0454—Slidable panels or parts

Abstract

1418032 Display devices ELLIOTT BROS (LONDON) Ltd 16 Feb 1973 [20 April 1972] 18369/72 Heading G5C [Also in Division H1] A visual position indictor, which may be an illuminated switch, has a transparent displaceable body 1 which may receive light from lamp 11 through differently coloured regions 6 or 7 depending on the axial position of the body in direction 13, this light being reflected forward by inclined face 4 to illuminate an opalescent display face 3. Another embodiment, Fig. 4, provides reflecting faces 33, 34 as truncated cones to permit rotation of body 31, as for a rotary switch, whilst changing the colour of display 32 only on axial displacement of body 31. A further form responds to rotation of the body portion by dividing the conical portion axially into two differently coloured halves of semi-circular section.
GB1836972A 1972-04-20 1972-04-20 Visual position indicators Expired GB1418032A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB1836972A GB1418032A (en) 1972-04-20 1972-04-20 Visual position indicators
IT68128/73A IT980880B (en) 1972-04-20 1973-04-19 VISUAL POSITION INDICATOR PARTICULARLY FOR ELECTRICAL SWITCH PANELS
FR7314638A FR2181074B1 (en) 1972-04-20 1973-04-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1836972A GB1418032A (en) 1972-04-20 1972-04-20 Visual position indicators

Publications (1)

Publication Number Publication Date
GB1418032A true GB1418032A (en) 1975-12-17

Family

ID=10111291

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1836972A Expired GB1418032A (en) 1972-04-20 1972-04-20 Visual position indicators

Country Status (3)

Country Link
FR (1) FR2181074B1 (en)
GB (1) GB1418032A (en)
IT (1) IT980880B (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2134716A (en) * 1983-01-28 1984-08-15 Terasaki Denki Sangyo Kk Switch position indicator
GB2158631A (en) * 1984-04-06 1985-11-13 Comtronic Gmbh Optical display apparatus
GB2220515A (en) * 1988-07-08 1990-01-10 Command Hydraulics Ltd Indicating device
GB2419236A (en) * 2004-10-08 2006-04-19 Tripco Ltd An indicator for distinguishing between states of an electromechanical device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL75715C (en) *
CH329894A (en) * 1955-04-21 1958-05-15 Siemens Ag Albis Illuminated button

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2134716A (en) * 1983-01-28 1984-08-15 Terasaki Denki Sangyo Kk Switch position indicator
GB2158631A (en) * 1984-04-06 1985-11-13 Comtronic Gmbh Optical display apparatus
GB2220515A (en) * 1988-07-08 1990-01-10 Command Hydraulics Ltd Indicating device
GB2419236A (en) * 2004-10-08 2006-04-19 Tripco Ltd An indicator for distinguishing between states of an electromechanical device

Also Published As

Publication number Publication date
FR2181074A1 (en) 1973-11-30
IT980880B (en) 1974-10-10
FR2181074B1 (en) 1977-09-02

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee