GB1549900A - Switches for electric door bells - Google Patents

Switches for electric door bells

Info

Publication number
GB1549900A
GB1549900A GB47532/77A GB4753277A GB1549900A GB 1549900 A GB1549900 A GB 1549900A GB 47532/77 A GB47532/77 A GB 47532/77A GB 4753277 A GB4753277 A GB 4753277A GB 1549900 A GB1549900 A GB 1549900A
Authority
GB
United Kingdom
Prior art keywords
switches
electric door
door bells
bells
electric
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
GB47532/77A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB1549900A publication Critical patent/GB1549900A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • 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
    • G09F13/045—Signs, boards or panels specially adapted for doors
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F7/00—Signs, name or number plates, letters, numerals, or symbols; Panels or boards
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
    • H01H21/02—Details
    • H01H21/18—Movable parts; Contacts mounted thereon
    • H01H21/22—Operating parts, e.g. handle

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Push-Button Switches (AREA)
GB47532/77A 1976-11-17 1977-11-15 Switches for electric door bells Expired GB1549900A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7612805A NL7612805A (en) 1976-11-17 1976-11-17 SWITCH FOR AN ELECTRIC BELL FOR THE FRONT DOOR OF A HOUSE.

Publications (1)

Publication Number Publication Date
GB1549900A true GB1549900A (en) 1979-08-08

Family

ID=19827245

Family Applications (1)

Application Number Title Priority Date Filing Date
GB47532/77A Expired GB1549900A (en) 1976-11-17 1977-11-15 Switches for electric door bells

Country Status (3)

Country Link
DE (1) DE7639682U1 (en)
GB (1) GB1549900A (en)
NL (1) NL7612805A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2117179A (en) * 1982-03-18 1983-10-05 Paul Graham Usher Entry signal system for pets
EP0439814A2 (en) * 1990-02-02 1991-08-07 Stefan Schmitt-Walter Illuminated push button switch
WO1999010905A1 (en) * 1997-08-27 1999-03-04 Schwarzbich Joerg Pushbutton unit

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2117179A (en) * 1982-03-18 1983-10-05 Paul Graham Usher Entry signal system for pets
EP0439814A2 (en) * 1990-02-02 1991-08-07 Stefan Schmitt-Walter Illuminated push button switch
EP0439814A3 (en) * 1990-02-02 1992-07-29 Stefan Schmitt-Walter Illuminated push button switch
US5188220A (en) * 1990-02-02 1993-02-23 Schmitt Walter Stefan Illuminated push-button switch
WO1999010905A1 (en) * 1997-08-27 1999-03-04 Schwarzbich Joerg Pushbutton unit
US6392179B1 (en) 1997-08-27 2002-05-21 Schwarzbich Joerg Pushbutton unit

Also Published As

Publication number Publication date
NL7612805A (en) 1978-05-19
DE7639682U1 (en) 1977-08-25

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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