DE2341304A1 - Elektronischer tueroeffner - Google Patents
Elektronischer tueroeffnerInfo
- Publication number
- DE2341304A1 DE2341304A1 DE19732341304 DE2341304A DE2341304A1 DE 2341304 A1 DE2341304 A1 DE 2341304A1 DE 19732341304 DE19732341304 DE 19732341304 DE 2341304 A DE2341304 A DE 2341304A DE 2341304 A1 DE2341304 A1 DE 2341304A1
- Authority
- DE
- Germany
- Prior art keywords
- door opener
- television
- electronic door
- apartment
- opener according
- 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.)
- Ceased
Links
- 230000001174 ascending effect Effects 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 8
- 238000003825 pressing Methods 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims description 4
- 230000010354 integration Effects 0.000 claims description 3
- 230000000007 visual effect Effects 0.000 claims description 3
- 239000004065 semiconductor Substances 0.000 claims description 2
- 239000003990 capacitor Substances 0.000 claims 1
- 230000002787 reinforcement Effects 0.000 claims 1
- 238000012800 visualization Methods 0.000 claims 1
- 230000009365 direct transmission Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 235000020004 porter Nutrition 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/10—Adaptations for transmission by electrical cable
- H04N7/106—Adaptations for transmission by electrical cable for domestic distribution
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/10—Adaptations for transmission by electrical cable
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/183—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a single remote source
- H04N7/186—Video door telephones
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Closed-Circuit Television Systems (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7231853A FR2199149B1 (enrdf_load_stackoverflow) | 1972-09-08 | 1972-09-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2341304A1 true DE2341304A1 (de) | 1974-03-21 |
Family
ID=9104010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19732341304 Ceased DE2341304A1 (de) | 1972-09-08 | 1973-08-16 | Elektronischer tueroeffner |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE2341304A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2199149B1 (enrdf_load_stackoverflow) |
| GB (1) | GB1412806A (enrdf_load_stackoverflow) |
| IT (1) | IT996665B (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19529039A1 (de) * | 1995-08-08 | 1997-02-13 | Juergen Blask | Haustür-Sicherheits- und Öffnungssystem im Türschild |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2593339A1 (fr) * | 1986-01-23 | 1987-07-24 | Darbonne Herve | Installation pour la commande a distance par ondes hertziennes d'une porte d'immeuble |
| FR2610434A1 (fr) * | 1987-01-29 | 1988-08-05 | Mirica Gheorghe | Portail electronique dissimulateur |
| FR2612671A1 (fr) * | 1987-03-18 | 1988-09-23 | Lorenzelli Marcel | Systeme video portier phonique utilisant un seul cable coaxial pour la transmission des informations, et un recepteur de television standard sans modification, et une telecommande sans fil |
| GB9201996D0 (en) * | 1992-01-30 | 1992-03-18 | Millicom Satellite Tv Services | Communication systems |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3423521A (en) * | 1966-01-24 | 1969-01-21 | Gordon A Friesen Associates In | Television system having common transmission line for power,video signals,and command signals |
-
1972
- 1972-09-08 FR FR7231853A patent/FR2199149B1/fr not_active Expired
-
1973
- 1973-07-11 GB GB3295373A patent/GB1412806A/en not_active Expired
- 1973-08-16 DE DE19732341304 patent/DE2341304A1/de not_active Ceased
- 1973-09-07 IT IT6967273A patent/IT996665B/it active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19529039A1 (de) * | 1995-08-08 | 1997-02-13 | Juergen Blask | Haustür-Sicherheits- und Öffnungssystem im Türschild |
| DE19529039C2 (de) * | 1995-08-08 | 1999-06-10 | Juergen Blask | Haustür-Sicherheits- und Öffnungssystem im Türschild |
Also Published As
| Publication number | Publication date |
|---|---|
| GB1412806A (en) | 1975-11-05 |
| FR2199149B1 (enrdf_load_stackoverflow) | 1976-05-21 |
| FR2199149A1 (enrdf_load_stackoverflow) | 1974-04-05 |
| IT996665B (it) | 1975-12-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8131 | Rejection |