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ATE276566T1 - SIGN BOARD, ESPECIALLY FOR BELL SYSTEMS - Google Patents

SIGN BOARD, ESPECIALLY FOR BELL SYSTEMS

Info

Publication number
ATE276566T1
ATE276566T1 AT00117865T AT00117865T ATE276566T1 AT E276566 T1 ATE276566 T1 AT E276566T1 AT 00117865 T AT00117865 T AT 00117865T AT 00117865 T AT00117865 T AT 00117865T AT E276566 T1 ATE276566 T1 AT E276566T1
Authority
AT
Austria
Prior art keywords
sign board
bell systems
bell
systems
loudspeaker
Prior art date
Application number
AT00117865T
Other languages
German (de)
Inventor
Otto Duffner
Original Assignee
Tcs Tuercontrolsysteme Ag
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 Tcs Tuercontrolsysteme Ag filed Critical Tcs Tuercontrolsysteme Ag
Application granted granted Critical
Publication of ATE276566T1 publication Critical patent/ATE276566T1/en

Links

Classifications

    • 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
    • G09F7/02—Signs, plates, panels or boards using readily-detachable elements bearing or forming symbols

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Casings For Electric Apparatus (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)

Abstract

The doorbell unit has a rectangular housing (3) and the front frame has an opening into which is located a transparent panel (2). The movement of the plate is mechanically blocked by a releasable spring (22,23) that is set behind the loudspeaker slots.
AT00117865T 1999-09-28 2000-08-19 SIGN BOARD, ESPECIALLY FOR BELL SYSTEMS ATE276566T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19946305A DE19946305A1 (en) 1999-09-28 1999-09-28 Sign board, especially for bell systems

Publications (1)

Publication Number Publication Date
ATE276566T1 true ATE276566T1 (en) 2004-10-15

Family

ID=7923486

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00117865T ATE276566T1 (en) 1999-09-28 2000-08-19 SIGN BOARD, ESPECIALLY FOR BELL SYSTEMS

Country Status (4)

Country Link
EP (1) EP1089249B1 (en)
AT (1) ATE276566T1 (en)
DE (2) DE19946305A1 (en)
ES (1) ES2228368T3 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2896081B1 (en) * 2006-01-11 2009-07-31 Hager Controls Soc Par Actions ELECTRIC CONTROL APPARATUS FOR A DOMOTIC MANAGEMENT SYSTEM
DE102011014013B4 (en) * 2011-03-10 2020-03-12 Mobotix Ag Anti-theft device for intercoms

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1212543A (en) * 1982-06-04 1986-10-14 Klemens Maurer Cover element for display panel
US4679341A (en) * 1985-02-06 1987-07-14 Mercury Plastics, Inc. Modular display apparatus for sign panels
DE4412942A1 (en) * 1994-04-15 1995-10-19 Manfred Trautvetter Bell system and or multifunction intercom system
FR2732802B1 (en) * 1995-04-04 1997-06-20 Eridan INFORMATION DISPLAY DEVICE
US5673016A (en) * 1995-07-14 1997-09-30 Lutes; Daniel M. Multifunction visitor information system

Also Published As

Publication number Publication date
DE50007754D1 (en) 2004-10-21
ES2228368T3 (en) 2005-04-16
EP1089249B1 (en) 2004-09-15
DE19946305A1 (en) 2001-04-05
EP1089249A2 (en) 2001-04-04
EP1089249A3 (en) 2003-10-01

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Legal Events

Date Code Title Description
REN Ceased due to non-payment of the annual fee