GB2311748B - Improvements in or relating to indicating devices - Google Patents

Improvements in or relating to indicating devices

Info

Publication number
GB2311748B
GB2311748B GB9706462A GB9706462A GB2311748B GB 2311748 B GB2311748 B GB 2311748B GB 9706462 A GB9706462 A GB 9706462A GB 9706462 A GB9706462 A GB 9706462A GB 2311748 B GB2311748 B GB 2311748B
Authority
GB
United Kingdom
Prior art keywords
relating
indicating devices
indicating
devices
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 - Fee Related
Application number
GB9706462A
Other versions
GB2311748A (en
GB9706462D0 (en
Inventor
David Dewhurst
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 PLC
Original Assignee
DEWHURST 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
Priority claimed from GBGB9607245.9A external-priority patent/GB9607245D0/en
Application filed by DEWHURST PLC filed Critical DEWHURST PLC
Priority to GB9706462A priority Critical patent/GB2311748B/en
Publication of GB9706462D0 publication Critical patent/GB9706462D0/en
Publication of GB2311748A publication Critical patent/GB2311748A/en
Application granted granted Critical
Publication of GB2311748B publication Critical patent/GB2311748B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/02—Details
    • H01H13/023—Light-emitting indicators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/18—Distinguishing marks on switches, e.g. for indicating switch location in the dark; Adaptation of switches to receive distinguishing marks
    • H01H9/182—Illumination of the symbols or distinguishing marks
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/18—Distinguishing marks on switches, e.g. for indicating switch location in the dark; Adaptation of switches to receive distinguishing marks
    • H01H9/182—Illumination of the symbols or distinguishing marks
    • H01H2009/183—Provisions for enhancing the contrast between the illuminated symbol and the background or between juxtaposed symbols
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/18—Distinguishing marks on switches, e.g. for indicating switch location in the dark; Adaptation of switches to receive distinguishing marks
    • H01H2009/187—Distinguishing marks on switches, e.g. for indicating switch location in the dark; Adaptation of switches to receive distinguishing marks having symbols engraved or printed by laser
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/18—Distinguishing marks on switches, e.g. for indicating switch location in the dark; Adaptation of switches to receive distinguishing marks
    • H01H2009/189—Distinguishing marks on switches, e.g. for indicating switch location in the dark; Adaptation of switches to receive distinguishing marks with a tactile symbol or indication, e.g. for blind people
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2219/00—Legends
    • H01H2219/054—Optical elements
    • H01H2219/062—Light conductor
    • H01H2219/0622—Light conductor only an illuminated ring around keys
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2229/00—Manufacturing
    • H01H2229/044—Injection moulding
    • H01H2229/047—Preformed layer in mould
GB9706462A 1996-04-04 1997-03-27 Improvements in or relating to indicating devices Expired - Fee Related GB2311748B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9706462A GB2311748B (en) 1996-04-04 1997-03-27 Improvements in or relating to indicating devices

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9607245.9A GB9607245D0 (en) 1996-04-04 1996-04-04 Improvements in or relating to indicating devices
GB9706462A GB2311748B (en) 1996-04-04 1997-03-27 Improvements in or relating to indicating devices

Publications (3)

Publication Number Publication Date
GB9706462D0 GB9706462D0 (en) 1997-05-14
GB2311748A GB2311748A (en) 1997-10-08
GB2311748B true GB2311748B (en) 1999-10-06

Family

ID=26309071

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9706462A Expired - Fee Related GB2311748B (en) 1996-04-04 1997-03-27 Improvements in or relating to indicating devices

Country Status (1)

Country Link
GB (1) GB2311748B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2345193B (en) 1998-12-22 2002-07-24 Nokia Mobile Phones Ltd Metallic keys
DE19958582B4 (en) * 1999-12-04 2006-08-10 Daimlerchrysler Ag Electric switch
JP2004002008A (en) * 2002-03-29 2004-01-08 Toshiba Elevator Co Ltd Operation button device of elevator
GB2400078B (en) * 2003-04-02 2005-12-21 Vertu Ltd A key for a mobile device
US7674992B2 (en) 2003-04-01 2010-03-09 Vertu Limited Key for a mobile device
GB0307520D0 (en) * 2003-04-01 2003-05-07 Vertu Ltd A key for a mobile device
DE10320192B4 (en) * 2003-05-07 2007-01-04 Bj Automotive Gmbh Actuator in a vehicle and a method for its production
EP1500487B1 (en) * 2003-06-30 2007-05-23 HDO -Druckguss- und Oberflächentechnik GmbH Method of manufacturing an operating element and operating element
AU2010201227A1 (en) * 2009-09-04 2011-03-24 Robert Dale Caslick A system for assisting a sight impaired individual

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2004492A (en) * 1977-09-21 1979-04-04 Polyplastics Co Outsert moulded substrate device
GB1593031A (en) * 1977-02-17 1981-07-15 Polyplastics Co Plate assemblies having a synthetic plastics material bonded thereon
EP0580082A1 (en) * 1992-07-20 1994-01-26 Wolfgang Dipl.-Ing. Priesemuth Optoelectronic device
US5359165A (en) * 1993-07-16 1994-10-25 Eaton Corporation Illuminated rotary switch assembly
GB2278238A (en) * 1993-05-19 1994-11-23 Dewhurst Plc Indicators and pushbuttons
GB2279915A (en) * 1992-02-14 1995-01-18 Shinetsu Polymer Co Making illuminatable keytops

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1593031A (en) * 1977-02-17 1981-07-15 Polyplastics Co Plate assemblies having a synthetic plastics material bonded thereon
GB2004492A (en) * 1977-09-21 1979-04-04 Polyplastics Co Outsert moulded substrate device
GB2279915A (en) * 1992-02-14 1995-01-18 Shinetsu Polymer Co Making illuminatable keytops
EP0580082A1 (en) * 1992-07-20 1994-01-26 Wolfgang Dipl.-Ing. Priesemuth Optoelectronic device
GB2278238A (en) * 1993-05-19 1994-11-23 Dewhurst Plc Indicators and pushbuttons
US5359165A (en) * 1993-07-16 1994-10-25 Eaton Corporation Illuminated rotary switch assembly

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
WPI Abstract Accession No. 83-735996/198333 & DE 3203947 A (HANESCH) 11.08.83 (see abstract) *
WPI Abstract Accession No. 91-246640/199134 & DE 4006649 C (SCHUSTER...) 22.08.91 (see abstract) *

Also Published As

Publication number Publication date
GB2311748A (en) 1997-10-08
GB9706462D0 (en) 1997-05-14

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Legal Events

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

Effective date: 20070327