EP1382137A1 - Erweiterungsset für ein empfangsgerät, insberondere ein dvb-t-empfangsgerät - Google Patents

Erweiterungsset für ein empfangsgerät, insberondere ein dvb-t-empfangsgerät

Info

Publication number
EP1382137A1
EP1382137A1 EP02740432A EP02740432A EP1382137A1 EP 1382137 A1 EP1382137 A1 EP 1382137A1 EP 02740432 A EP02740432 A EP 02740432A EP 02740432 A EP02740432 A EP 02740432A EP 1382137 A1 EP1382137 A1 EP 1382137A1
Authority
EP
European Patent Office
Prior art keywords
repeater
antenna
dvb
receiver
extension device
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
Application number
EP02740432A
Other languages
German (de)
English (en)
French (fr)
Inventor
Ralf Exler
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kathrein SE
Original Assignee
Kathrein Werke KG
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 Kathrein Werke KG filed Critical Kathrein Werke KG
Publication of EP1382137A1 publication Critical patent/EP1382137A1/de
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means

Definitions

  • Extension set for a receiving device especially a DVB-T receiving device
  • the invention relates to an expansion set for a receiving device, in particular a DVB-T receiving device according to the preamble of claim 1.
  • reception may be poorer at the desired location of the receiving device than elsewhere in the room.
  • an expansion set in particular for a DVB-T receiver, for terrestrial reception.
  • digitized television programs to provide which consists of an antenna stand device, which is provided with an antenna connection cable.
  • This expansion set can be connected to a conventional DVB-T receiving device, it being possible for an antenna plugged into the receiving device to be removed from it and connected to the expansion set. So it is not necessary to buy a new antenna.
  • the present invention makes use of the knowledge that the OFDM modulation method used in the DVB-T receiving device is capable of multipath propagation.
  • This allows an active or passive indoor repeater to be provided.
  • This can preferably be connected to an antenna socket as a plug-on module. Only in the case of an active indoor repeater this usually still has a mains connection, which - which would be the exception - is not provided with a rechargeable electrical storage (battery).
  • the indoor repeater according to the invention could, however, also be connected directly to a coaxial cable which is provided by the conventional receiving antenna for DVB-T receiving devices located at a suitable location.
  • the indoor repeater could even be arranged under the plaster.
  • the repeater according to the invention is independent of the terminal, since the signals are not converted. Rather, it serves as a purely passive or active (i.e. amplifying) device, which uses the antenna, i.e. the coaxial cable only emits signals again (in passive mode) or emits more signals (in active mode).
  • a top view of a room 1 is shown in a building, which has an L-shaped cross section, for example.
  • a top view of a DVB-T receiver 5 is set up, for example, for receiving terrestrially broadcast digital programs.
  • the device is provided with its own antenna 7, which is suitable for receiving the terrestrially digitized programs.
  • the reception quality at the installation site is not optimal, the reception can be improved by using a repeater 9 according to the invention.
  • the repeater 9 is connected to a coaxial connection socket 11, for example. It has its own antenna 13, which may be integrated. In the exemplary embodiment shown, this repeater 9 is designed as an active repeater which is connected to an electrical mains connection socket 17 via its own mains connection cable 15.
  • This repeater contains, via a coaxial cable 19 connected to the connection box 11, the digitized programs received terrestrially via an external antenna system (not shown in detail), amplifies them, and transmits them again via its own integrated antenna 13. This significantly improves the quality of reception at the installation site of the receiver.
  • the repeater 19 can equally well be designed as a passive device. It can also or also be electrically connected directly to a coaxial cable (i.e. not via a junction box as an interface). In this case it can even be accommodated in a flush-mounted box or chamber.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Relay Systems (AREA)
  • Details Of Television Systems (AREA)
EP02740432A 2001-04-26 2002-03-21 Erweiterungsset für ein empfangsgerät, insberondere ein dvb-t-empfangsgerät Ceased EP1382137A1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE20107231U 2001-04-26
DE20107231U DE20107231U1 (de) 2001-04-26 2001-04-26 Erweiterungsset für ein Empfangsgerät, insbesondere ein DVB-T-Empfangsgerät
PCT/EP2002/003197 WO2002089361A1 (de) 2001-04-26 2002-03-21 Erweiterungsset für ein empfangsgerät, insberondere ein dvb-t-empfangsgerät

Publications (1)

Publication Number Publication Date
EP1382137A1 true EP1382137A1 (de) 2004-01-21

Family

ID=7956253

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02740432A Ceased EP1382137A1 (de) 2001-04-26 2002-03-21 Erweiterungsset für ein empfangsgerät, insberondere ein dvb-t-empfangsgerät

Country Status (9)

Country Link
US (1) US7024159B2 (ko)
EP (1) EP1382137A1 (ko)
JP (1) JP2004528778A (ko)
KR (1) KR20040015068A (ko)
CA (1) CA2441432A1 (ko)
DE (1) DE20107231U1 (ko)
MX (1) MXPA03009705A (ko)
WO (1) WO2002089361A1 (ko)
ZA (1) ZA200307431B (ko)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202005007183U1 (de) * 2005-05-04 2006-05-18 Kathrein-Werke Kg DVB-T-Repeater, insbesondere zur portablen Indoor-Versorgung
DE102006025176C5 (de) * 2006-05-30 2023-02-23 Continental Automotive Technologies GmbH Antennenmodul für ein Fahrzeug

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9522198D0 (en) 1995-10-30 1996-01-03 British Broadcasting Corp Ofdm active deflectors
US5937332A (en) * 1997-03-21 1999-08-10 Ericsson, Inc. Satellite telecommunications repeaters and retransmission methods
US6263503B1 (en) 1999-05-26 2001-07-17 Neal Margulis Method for effectively implementing a wireless television system
US7577398B2 (en) * 2000-01-14 2009-08-18 Andrew Llc Repeaters for wireless communication systems
DE29914048U1 (de) * 1999-08-12 1999-11-11 Kathrein Werke Kg Erweiterungsset für ein Empfangsgerät, insbesondere ein DVB-T-Empfangsgerät
GB2357394A (en) * 1999-12-15 2001-06-20 Roke Manor Research Modular component permitting transmission of radio signals through walls
DE20009939U1 (de) 2000-06-02 2000-08-31 Technisat Digital Gmbh DVB-Empfangsgerät
US20020147978A1 (en) * 2001-04-04 2002-10-10 Alex Dolgonos Hybrid cable/wireless communications system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO02089361A1 *

Also Published As

Publication number Publication date
US7024159B2 (en) 2006-04-04
ZA200307431B (en) 2003-11-05
JP2004528778A (ja) 2004-09-16
CA2441432A1 (en) 2002-11-07
DE20107231U1 (de) 2001-09-27
KR20040015068A (ko) 2004-02-18
MXPA03009705A (es) 2004-01-29
WO2002089361A1 (de) 2002-11-07
US20040119652A1 (en) 2004-06-24

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