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GB1339326A - Display device - Google Patents

Display device

Info

Publication number
GB1339326A
GB1339326A GB1339326DA GB1339326A GB 1339326 A GB1339326 A GB 1339326A GB 1339326D A GB1339326D A GB 1339326DA GB 1339326 A GB1339326 A GB 1339326A
Authority
GB
United Kingdom
Prior art keywords
behind
march
display device
cut
facing
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
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.)
Dewhurst and Partner PLC
Original Assignee
Dewhurst and Partner PLC
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 Dewhurst and Partner PLC filed Critical Dewhurst and Partner PLC
Publication of GB1339326A publication Critical patent/GB1339326A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G09F13/06—Signs, boards or panels, illuminated from behind the insignia using individual cut-out symbols or cut-out silhouettes, e.g. perforated signs

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

1339326 Display devices DEWHURST & PARTNER Ltd 27 March 1972 [26 March 1971] 7929/71 Heading G5C A display device, e.g. a lift indicator board, has a face plate comprising a hard wearing facing 14 attached to a thicker backing of a softer material by means of adhesive, crimping or brazing. Apertures in the form of indicating symbols 10 are cut in the facing 14, and larger apertures as at 18 are cut behind them in the backing. Each symbol 10 is selectively and individually illuminated from behind and has a coloured translucent insert 20 in the aperture 18 behind it.
GB1339326D 1972-03-27 1972-03-27 Display device Expired GB1339326A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB792971 1972-03-27

Publications (1)

Publication Number Publication Date
GB1339326A true GB1339326A (en) 1973-12-05

Family

ID=9842499

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1339326D Expired GB1339326A (en) 1972-03-27 1972-03-27 Display device

Country Status (1)

Country Link
GB (1) GB1339326A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2186109A (en) * 1986-02-04 1987-08-05 Bosch Siemens Hausgeraete Indicating means in a domestic electrical appliance

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2186109A (en) * 1986-02-04 1987-08-05 Bosch Siemens Hausgeraete Indicating means in a domestic electrical appliance
GB2186109B (en) * 1986-02-04 1989-11-01 Bosch Siemens Hausgeraete Indicating means in a domestic electrical appliance

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee