FI895918A0 - TRAPPTELEFONSYSTEM. - Google Patents
TRAPPTELEFONSYSTEM.Info
- Publication number
- FI895918A0 FI895918A0 FI895918A FI895918A FI895918A0 FI 895918 A0 FI895918 A0 FI 895918A0 FI 895918 A FI895918 A FI 895918A FI 895918 A FI895918 A FI 895918A FI 895918 A0 FI895918 A0 FI 895918A0
- Authority
- FI
- Finland
- Prior art keywords
- trapptelefonsystem
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
- H04M11/02—Telephonic communication systems specially adapted for combination with other electrical systems with bell or annunciator systems
- H04M11/025—Door telephones
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI895918A FI85086C (en) | 1989-12-12 | 1989-12-12 | Trapp Telephone |
DE19904039696 DE4039696A1 (en) | 1989-12-12 | 1990-12-12 | Door intercom installation with central ID code generator - recognises key operated by visitor and communicates corresp. code to recognition units in all apartments |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI895918 | 1989-12-12 | ||
FI895918A FI85086C (en) | 1989-12-12 | 1989-12-12 | Trapp Telephone |
Publications (4)
Publication Number | Publication Date |
---|---|
FI895918A0 true FI895918A0 (en) | 1989-12-12 |
FI895918A FI895918A (en) | 1991-06-13 |
FI85086B FI85086B (en) | 1991-11-15 |
FI85086C FI85086C (en) | 1992-02-25 |
Family
ID=8529499
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI895918A FI85086C (en) | 1989-12-12 | 1989-12-12 | Trapp Telephone |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE4039696A1 (en) |
FI (1) | FI85086C (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4116935C2 (en) * | 1991-05-24 | 1993-09-30 | Stewing Gmbh & Co Kg | Bell system for residential buildings, in particular apartment buildings, old buildings or the like. |
DE10011303C2 (en) * | 2000-03-09 | 2003-09-25 | Siedle & Soehne S | Door system, method for operating a door system and use of the OFDM method when operating a door system |
-
1989
- 1989-12-12 FI FI895918A patent/FI85086C/en not_active IP Right Cessation
-
1990
- 1990-12-12 DE DE19904039696 patent/DE4039696A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
FI895918A (en) | 1991-06-13 |
FI85086C (en) | 1992-02-25 |
DE4039696A1 (en) | 1991-06-13 |
FI85086B (en) | 1991-11-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FI891631A0 (en) | BERGBORRNINGSANORDNING. | |
FI896146A (en) | BETTSKIVENHET. | |
FI891532A (en) | SKAERNINGSANORDNING. | |
FI900398A0 (en) | UNDERRAETTELSEOMFORMINGSANORDNING. | |
FI895918A0 (en) | TRAPPTELEFONSYSTEM. | |
FI893687A (en) | OSTPANNA. | |
FI895945A (en) | STUVNINGS- OCH FOERFLYTTNINGSSYSTEM. | |
FI895972A0 (en) | VAEXELLAODA. | |
NO903224L (en) | AKTIVATOR. | |
FI895092A0 (en) | KOPPLINGSDOSA FOER VATTENARMATUR. | |
FI901228A0 (en) | KABELSKAOP. | |
FI894534A0 (en) | DOPNINGSFOERFARANDE. | |
FI892400A0 (en) | ROERMOTSTAOND. | |
FI891088A (en) | UNDERVATTENSKVARN. | |
IT8921082V0 (en) | MICROMOKA. | |
FI895118A0 (en) | TRYCKSILANORDNING. | |
FI894820A (en) | FRYSFOERPACKNING. | |
FI893446A0 (en) | CYKELSTAELL. | |
FI890193A (en) | SIGNALFLAGGA. | |
FI893401A0 (en) | KOLVRING. | |
FI892403A (en) | KOPPLINGSKLAEMMA. | |
FI892438A (en) | KOLVKONSTRUKTION FOER VAOTUTUMMEN. | |
FI892695A0 (en) | LIVSMEDELSFOERPACKNING. | |
FI892766A0 (en) | LEDSKOPA. | |
FI895875A0 (en) | BEHAOLLARE FOER VATTENDJUR SAOSOM FISKAR. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed |
Owner name: FONEL OY |