GB9103022D0 - Improvements in or relating to indicators - Google Patents

Improvements in or relating to indicators

Info

Publication number
GB9103022D0
GB9103022D0 GB9103022A GB9103022A GB9103022D0 GB 9103022 D0 GB9103022 D0 GB 9103022D0 GB 9103022 A GB9103022 A GB 9103022A GB 9103022 A GB9103022 A GB 9103022A GB 9103022 D0 GB9103022 D0 GB 9103022D0
Authority
GB
United Kingdom
Prior art keywords
indicators
relating
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.)
Withdrawn
Application number
GB9103022A
Other versions
GB2252816A (en
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.)
Thomas Howard G A
Original Assignee
Thomas Howard G A
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 Thomas Howard G A filed Critical Thomas Howard G A
Priority to GB9103022A priority Critical patent/GB2252816A/en
Publication of GB9103022D0 publication Critical patent/GB9103022D0/en
Publication of GB2252816A publication Critical patent/GB2252816A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
    • F21V23/0442—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors
    • F21V23/0492—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors the sensor detecting a change in orientation, a movement or an acceleration of the lighting device, e.g. a tilt switch
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
    • F21V23/0442—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors
    • F21V23/0464—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors the sensor sensing the level of ambient illumination, e.g. dawn or dusk sensors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2111/00—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2111/00—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00
    • F21W2111/02—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00 for roads, paths or the like
    • 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
    • G08B5/006—Portable traffic signalling devices

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Audible And Visible Signals (AREA)
GB9103022A 1991-02-13 1991-02-13 Indicator lamps Withdrawn GB2252816A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9103022A GB2252816A (en) 1991-02-13 1991-02-13 Indicator lamps

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9103022A GB2252816A (en) 1991-02-13 1991-02-13 Indicator lamps

Publications (2)

Publication Number Publication Date
GB9103022D0 true GB9103022D0 (en) 1991-03-27
GB2252816A GB2252816A (en) 1992-08-19

Family

ID=10689953

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9103022A Withdrawn GB2252816A (en) 1991-02-13 1991-02-13 Indicator lamps

Country Status (1)

Country Link
GB (1) GB2252816A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2377986A (en) * 2001-07-16 2003-01-29 Mathmos Ltd Lighting apparatus responsive to spatial orientation
GB2423144B (en) * 2005-02-10 2009-08-05 Richard Liddle Lighting system

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2045492A (en) * 1979-03-15 1980-10-29 Balmore Eng Ltd Alarm device
US4291301A (en) * 1980-01-28 1981-09-22 Chan Han Saw Reminder alarm system for preventing mislaying of personal articles
EP0054401A3 (en) * 1980-12-15 1983-01-19 Badalex Limited Electric light source with integral switch
GB2096300A (en) * 1981-04-02 1982-10-13 Bemrose Uk Ltd Electric lanterns
GB2122786B (en) * 1982-05-12 1986-04-30 Robert Swift Gillett Gravity activated signalling devices
GB2159647A (en) * 1984-05-31 1985-12-04 Raymond Keith Hunter Direction indicating means
US4669990A (en) * 1984-07-30 1987-06-02 Mcdermott Kevin Signal device
GB2165981B (en) * 1984-10-13 1988-10-12 Kathleen Docherty Distress alarm
US4736471A (en) * 1987-02-26 1988-04-12 Johnson Patrick G Toilet light

Also Published As

Publication number Publication date
GB2252816A (en) 1992-08-19

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)