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GB1369637A - Display apparatus - Google Patents

Display apparatus

Info

Publication number
GB1369637A
GB1369637A GB4995971A GB4995971A GB1369637A GB 1369637 A GB1369637 A GB 1369637A GB 4995971 A GB4995971 A GB 4995971A GB 4995971 A GB4995971 A GB 4995971A GB 1369637 A GB1369637 A GB 1369637A
Authority
GB
United Kingdom
Prior art keywords
thyristor
oct
display apparatus
division
quadrac
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
GB4995971A
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.)
Sheehan B J
Original Assignee
Sheehan B J
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 Sheehan B J filed Critical Sheehan B J
Publication of GB1369637A publication Critical patent/GB1369637A/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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Radiation-Therapy Devices (AREA)
  • Thyristors (AREA)
  • Power Conversion In General (AREA)

Abstract

1369637 Thyristor oscillators B J SHEEHAN 27 Oct 1971 [28 Oct 1970] 49959/71 Heading H3T [Also in Division G5] A flasher unit 9 for an illuminated house number (see Division G5) comprises a semiconductor gate device 50, which may be a thyristor, quadrac or triac, in parallel with a capacitor 53, resistor 52, and diode 51.
GB4995971A 1970-10-28 1971-10-27 Display apparatus Expired GB1369637A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IE137670A IE34626B1 (en) 1970-10-28 1970-10-28 Display apparatus

Publications (1)

Publication Number Publication Date
GB1369637A true GB1369637A (en) 1974-10-09

Family

ID=11026277

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4995971A Expired GB1369637A (en) 1970-10-28 1971-10-27 Display apparatus

Country Status (2)

Country Link
GB (1) GB1369637A (en)
IE (1) IE34626B1 (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2177840A (en) * 1985-07-09 1987-01-28 Trade Photographic Services Li Display apparatus
GB2224385A (en) * 1989-02-14 1990-05-02 John Joseph Kelly Distress house lamp
GB2239973A (en) * 1990-01-15 1991-07-17 Martyn William Rissen Crime deterrent device
GB2293678A (en) * 1994-09-27 1996-04-03 Hill Kenneth William George Illuminated house signs
GB2317491A (en) * 1996-09-13 1998-03-25 Marie Denise Mellor Display apparatus for a dwelling
GB2333633A (en) * 1998-01-21 1999-07-28 Timothy Richard Carl Hearne Illuminated fire exit sign
GB2418519A (en) * 2004-09-22 2006-03-29 Address A Lite Ltd Illuminated sign with flashing mode, preferably in the form of a house number which flashes to indicate emergency.

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2177840A (en) * 1985-07-09 1987-01-28 Trade Photographic Services Li Display apparatus
GB2224385A (en) * 1989-02-14 1990-05-02 John Joseph Kelly Distress house lamp
GB2224385B (en) * 1989-02-14 1993-01-20 John Joseph Kelly Distress house lamp
GB2239973A (en) * 1990-01-15 1991-07-17 Martyn William Rissen Crime deterrent device
GB2293678A (en) * 1994-09-27 1996-04-03 Hill Kenneth William George Illuminated house signs
GB2317491A (en) * 1996-09-13 1998-03-25 Marie Denise Mellor Display apparatus for a dwelling
GB2317491B (en) * 1996-09-13 2001-01-31 Marie Denise Mellor Improved display apparatus for use on the outside of a dwelling
GB2333633A (en) * 1998-01-21 1999-07-28 Timothy Richard Carl Hearne Illuminated fire exit sign
GB2418519A (en) * 2004-09-22 2006-03-29 Address A Lite Ltd Illuminated sign with flashing mode, preferably in the form of a house number which flashes to indicate emergency.

Also Published As

Publication number Publication date
IE34626B1 (en) 1975-06-25

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Legal Events

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