NL182689C - Signaalverdeelinrichting voor een hoogfrequent kabelnetwerk. - Google Patents
Signaalverdeelinrichting voor een hoogfrequent kabelnetwerk.Info
- Publication number
- NL182689C NL182689C NLAANVRAGE7416880,A NL7416880A NL182689C NL 182689 C NL182689 C NL 182689C NL 7416880 A NL7416880 A NL 7416880A NL 182689 C NL182689 C NL 182689C
- Authority
- NL
- Netherlands
- Prior art keywords
- distribution device
- cable network
- signal distribution
- frequent cable
- frequent
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K3/00—Jamming of communication; Counter-measures
- H04K3/80—Jamming or countermeasure characterized by its function
- H04K3/82—Jamming or countermeasure characterized by its function related to preventing surveillance, interception or detection
- H04K3/825—Jamming or countermeasure characterized by its function related to preventing surveillance, interception or detection by jamming
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K3/00—Jamming of communication; Counter-measures
- H04K3/40—Jamming having variable characteristics
- H04K3/42—Jamming having variable characteristics characterized by the control of the jamming frequency or wavelength
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
- H04N7/166—Passage/non-passage of the television signal, e.g. jamming, band suppression
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K2203/00—Jamming of communication; Countermeasures
- H04K2203/10—Jamming or countermeasure used for a particular application
- H04K2203/14—Jamming or countermeasure used for a particular application for the transfer of light or images, e.g. for video-surveillance, for television or from a computer screen
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Multimedia (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Details Of Television Systems (AREA)
Priority Applications (14)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NLAANVRAGE7416880,A NL182689C (nl) | 1974-12-24 | 1974-12-24 | Signaalverdeelinrichting voor een hoogfrequent kabelnetwerk. |
| CA227,709A CA1033053A (en) | 1974-12-24 | 1975-05-23 | Signal distribution device for a cable television |
| JP50069455A JPS608675B2 (ja) | 1974-12-24 | 1975-06-09 | ケ−ブルテレビジヨン用信号分配器 |
| BE162705A BE836589A (fr) | 1974-12-24 | 1975-12-12 | Signaalverdeelinrichting voor een kabeltelevisienetwerk |
| AT955075A AT361996B (de) | 1974-12-24 | 1975-12-16 | Signalverteilersystem fuer ein kabelnetzwerk |
| DK586075A DK146915C (da) | 1974-12-24 | 1975-12-22 | Abonnentterminal til kabelanlaeg |
| SE7514561A SE420036B (sv) | 1974-12-24 | 1975-12-22 | Signlfordelningsanordning for ett kabeltelevisionsnet |
| DE19752558147 DE2558147A1 (de) | 1974-12-24 | 1975-12-23 | Signalverteilervorrichtung fuer kabelfernsehen |
| FR7539520A FR2296335A1 (fr) | 1974-12-24 | 1975-12-23 | Dispositif de distribution de signaux pour reseau de television par cables |
| ES443805A ES443805A1 (es) | 1974-12-24 | 1975-12-23 | Un dispositivo de distribucion de senal para una red de te- levision por cable. |
| IT52857/75A IT1052630B (it) | 1974-12-24 | 1975-12-23 | Dispositivo di distribuzione di segnale per sistemi televisivi a cavo |
| FI753640A FI67006C (fi) | 1974-12-24 | 1975-12-23 | Signalfoerdelningsanordning foer en kabeltelevision |
| GB52836/75A GB1507859A (en) | 1974-12-24 | 1975-12-24 | Signal distribution device for a cable television network |
| US05/838,990 USRE29997E (en) | 1974-12-24 | 1977-10-03 | Signal distribution device for a cable television |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NLAANVRAGE7416880,A NL182689C (nl) | 1974-12-24 | 1974-12-24 | Signaalverdeelinrichting voor een hoogfrequent kabelnetwerk. |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NL7416880A NL7416880A (nl) | 1976-06-28 |
| NL182689B NL182689B (nl) | 1987-11-16 |
| NL182689C true NL182689C (nl) | 1988-04-18 |
Family
ID=19822721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NLAANVRAGE7416880,A NL182689C (nl) | 1974-12-24 | 1974-12-24 | Signaalverdeelinrichting voor een hoogfrequent kabelnetwerk. |
Country Status (13)
| Country | Link |
|---|---|
| JP (1) | JPS608675B2 (enExample) |
| AT (1) | AT361996B (enExample) |
| BE (1) | BE836589A (enExample) |
| CA (1) | CA1033053A (enExample) |
| DE (1) | DE2558147A1 (enExample) |
| DK (1) | DK146915C (enExample) |
| ES (1) | ES443805A1 (enExample) |
| FI (1) | FI67006C (enExample) |
| FR (1) | FR2296335A1 (enExample) |
| GB (1) | GB1507859A (enExample) |
| IT (1) | IT1052630B (enExample) |
| NL (1) | NL182689C (enExample) |
| SE (1) | SE420036B (enExample) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1554411A (en) | 1975-08-09 | 1979-10-17 | Communications Patents Ltd | Control systems |
| FR2336842B1 (fr) * | 1976-08-06 | 1987-02-27 | Stern Joseph | Perfectionnements relatifs aux dispositifs de telediffusion par cables ou relatifs a ceux-ci |
| DE2725250C3 (de) * | 1977-06-03 | 1982-03-18 | Siemens AG, 1000 Berlin und 8000 München | Kabelfernsehanlage mit abschaltbaren Teilnehmeranschlüssen |
| DE3045512C2 (de) * | 1980-12-03 | 1982-10-07 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Elektronische Durchschalteinrichtung für Fernseh- und Tonrundfunkprogramme |
| JPS58221577A (ja) * | 1982-06-18 | 1983-12-23 | Yagi Antenna Co Ltd | Catv信号分配方式 |
| JPS5921187A (ja) * | 1982-07-27 | 1984-02-03 | Uro Denshi Kogyo Kk | 有線放送共同受信用分岐・分配器 |
| US4521809A (en) * | 1982-12-29 | 1985-06-04 | North American Philips Corporation | Method and apparatus for controlling access to selected television programs |
| DE3470270D1 (en) * | 1983-06-10 | 1988-05-05 | Tocom | Master/slave converter system |
| GB2161679B (en) * | 1984-07-06 | 1988-02-24 | Cabletime Ltd | Improvements in or relating to signal jamming apparatuses for frequency division multiplex systems |
| FR2615342B1 (fr) * | 1987-05-13 | 1991-09-13 | Applic Realisa Electro | Systeme de teledistribution comprenant au moins une chaine de television a peage |
| DE3840254C1 (enExample) * | 1988-11-29 | 1990-06-07 | Neuberger Nachrichten- Und Antennentechnik Gmbh, 8000 Muenchen, De |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3790700A (en) * | 1971-12-17 | 1974-02-05 | Hughes Aircraft Co | Catv program control system |
| US3789131A (en) * | 1972-08-03 | 1974-01-29 | Oak Industries Inc | Selective coding system for subscription television |
-
1974
- 1974-12-24 NL NLAANVRAGE7416880,A patent/NL182689C/xx not_active IP Right Cessation
-
1975
- 1975-05-23 CA CA227,709A patent/CA1033053A/en not_active Expired
- 1975-06-09 JP JP50069455A patent/JPS608675B2/ja not_active Expired
- 1975-12-12 BE BE162705A patent/BE836589A/xx not_active IP Right Cessation
- 1975-12-16 AT AT955075A patent/AT361996B/de not_active IP Right Cessation
- 1975-12-22 SE SE7514561A patent/SE420036B/xx not_active IP Right Cessation
- 1975-12-22 DK DK586075A patent/DK146915C/da not_active IP Right Cessation
- 1975-12-23 IT IT52857/75A patent/IT1052630B/it active
- 1975-12-23 DE DE19752558147 patent/DE2558147A1/de not_active Withdrawn
- 1975-12-23 FI FI753640A patent/FI67006C/fi not_active IP Right Cessation
- 1975-12-23 ES ES443805A patent/ES443805A1/es not_active Expired
- 1975-12-23 FR FR7539520A patent/FR2296335A1/fr active Granted
- 1975-12-24 GB GB52836/75A patent/GB1507859A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ES443805A1 (es) | 1977-04-16 |
| DK146915B (da) | 1984-02-06 |
| AT361996B (de) | 1981-04-10 |
| CA1033053A (en) | 1978-06-13 |
| IT1052630B (it) | 1981-07-20 |
| FI753640A7 (enExample) | 1976-06-25 |
| DK586075A (da) | 1976-06-25 |
| ATA955075A (de) | 1980-09-15 |
| JPS5178621A (en) | 1976-07-08 |
| DE2558147A1 (de) | 1976-07-01 |
| FR2296335B3 (enExample) | 1980-06-20 |
| DK146915C (da) | 1984-07-16 |
| NL182689B (nl) | 1987-11-16 |
| SE420036B (sv) | 1981-09-07 |
| GB1507859A (en) | 1978-04-19 |
| BE836589A (fr) | 1976-06-14 |
| JPS608675B2 (ja) | 1985-03-05 |
| FI67006B (fi) | 1984-08-31 |
| FI67006C (fi) | 1984-12-10 |
| FR2296335A1 (fr) | 1976-07-23 |
| SE7514561L (sv) | 1976-06-25 |
| NL7416880A (nl) | 1976-06-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| CNR | Transfer of rights (patent application after its laying open for public inspection) |
Free format text: OAK COMMUNICATIONS INC. |
|
| BC | A request for examination has been filed | ||
| A85 | Still pending on 85-01-01 | ||
| SNR | Assignments of patents or rights arising from examined patent applications |
Owner name: OCI COMMUNICATIONS INC. |
|
| V4 | Discontinued because of reaching the maximum lifetime of a patent |