DE50007754D1 - Sign board, especially for bell systems - Google Patents
Sign board, especially for bell systemsInfo
- Publication number
- DE50007754D1 DE50007754D1 DE50007754T DE50007754T DE50007754D1 DE 50007754 D1 DE50007754 D1 DE 50007754D1 DE 50007754 T DE50007754 T DE 50007754T DE 50007754 T DE50007754 T DE 50007754T DE 50007754 D1 DE50007754 D1 DE 50007754D1
- Authority
- DE
- Germany
- Prior art keywords
- sign board
- bell systems
- bell
- systems
- loudspeaker
- 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 - Lifetime
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)
- Medicines Containing Material From Animals Or Micro-Organisms (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Respiratory Apparatuses And Protective Means (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.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE50007754T DE50007754D1 (en) | 1999-09-28 | 2000-08-19 | Sign board, especially for bell systems |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19946305A DE19946305A1 (en) | 1999-09-28 | 1999-09-28 | Sign board, especially for bell systems |
DE50007754T DE50007754D1 (en) | 1999-09-28 | 2000-08-19 | Sign board, especially for bell systems |
Publications (1)
Publication Number | Publication Date |
---|---|
DE50007754D1 true DE50007754D1 (en) | 2004-10-21 |
Family
ID=7923486
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19946305A Withdrawn DE19946305A1 (en) | 1999-09-28 | 1999-09-28 | Sign board, especially for bell systems |
DE50007754T Expired - Lifetime DE50007754D1 (en) | 1999-09-28 | 2000-08-19 | Sign board, especially for bell systems |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19946305A Withdrawn DE19946305A1 (en) | 1999-09-28 | 1999-09-28 | 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)
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)
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 |
-
1999
- 1999-09-28 DE DE19946305A patent/DE19946305A1/en not_active Withdrawn
-
2000
- 2000-08-19 DE DE50007754T patent/DE50007754D1/en not_active Expired - Lifetime
- 2000-08-19 ES ES00117865T patent/ES2228368T3/en not_active Expired - Lifetime
- 2000-08-19 AT AT00117865T patent/ATE276566T1/en not_active IP Right Cessation
- 2000-08-19 EP EP00117865A patent/EP1089249B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
ES2228368T3 (en) | 2005-04-16 |
DE19946305A1 (en) | 2001-04-05 |
EP1089249A3 (en) | 2003-10-01 |
EP1089249B1 (en) | 2004-09-15 |
ATE276566T1 (en) | 2004-10-15 |
EP1089249A2 (en) | 2001-04-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |