JP2008141711A - Telephone line wireless apparatus for digital receiver - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To reduce the power consumption of wireless communication units for telephone line provided at a digital receiver side and a telephone line side, and in particular, to eliminate complexity in the wiring of a power source at the telephone line side by extremely simplifying a configuration of a power source to the wireless communication unit provided at the telephone line side. <P>SOLUTION: The telephone line wireless apparatus for digital receiver is provided with the wireless communication units for telephone line, each of which has a communication means for performing communication based upon a predetermined wireless communication protocol, at a digital receiver side and a telephone line side is configured so that the wireless communication units 1 and 2 for telephone line are operated based upon a Zig-Bee wireless communication protocol. The wireless communication unit 2 for the telephone line provided at the telephone line side is then configured to use a DC power source superimposed on a telephone line as power for operation. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a digital receiver telephone line wireless apparatus for connecting a digital receiver such as a satellite broadcast receiver or a terrestrial digital broadcast receiver installed on a viewer side and a telephone line by wireless communication means.

  Generally, a digital receiver installed on the viewer side has a built-in CAS function (CAS: conditional access system), and a B-CAS card in which an ID number is recorded is attached to the digital receiver. This makes it possible to use the CAS function.

  By transmitting the ID number recorded on the B-CAS card to a service provider company or the like through a telephone line, for example, the pay broadcast service can be unscrambled or the interactive data service can be provided. Will be able to display the program you want to watch and the information you want on the TV screen.

  However, many viewers may find it difficult to wire the telephone line between the digital receiver and the telephone line or because the telephone line is not drawn near the place where the digital receiver is installed. In many cases, digital receivers are used without being connected to a telephone line.

  In order to eliminate such troublesome wiring of the telephone line, a wireless unit for a telephone line that wirelessly connects the digital receiver and the telephone line is currently on the market. This commercially available telephone line wireless unit uses a specific low-power radio technology as its communication means, and is configured to supply operating power via an attached AC adapter.

  Recently, there is “ZigBee”, which is expected as a short-range wireless communication standard that consumes very little power and does not require running costs.

  This ZigBee is one of short-range wireless communication standards for home appliances, and has a feature that it is inexpensive and consumes very little power, instead of being low speed and short in transfer distance. The specification of the electrical basic part is standardized as IEEE802.15.4.

  The data transfer rate of ZigBee is 20 Kbps to 250 Kbps, and varies depending on the radio frequency band to be used.

  In addition, the one using this ZigBee for the 900 MHz band is mainly for the United States, the one using the 800 MHz band is mainly for Europe, and it can be used in Japan because of the Radio Law. Only specifications using 2.4 GHz band.

  In addition, the maximum transmission distance of this ZigBee is about 100 m, and depending on the frequency of transmission and reception, it can be operated for several years with power of about dry batteries (for example, 3.0 V drive), including the power supply. It is possible to construct a home appliance network with completely no wiring and low power consumption and low running cost.

  As a conventional example using a wireless module that operates in accordance with the ZigBee wireless standard described above, a wireless module that is used as a communication means of a remote controller for remote control of an audio device or a television has been proposed (for example, see Patent Document 1).

  Further, as another conventional example using a wireless module that operates in accordance with the ZigBee wireless standard described above, it is adopted in a digital camera having a detachable display, and the digital camera body and the display are connected by wireless communication. A configuration is proposed (see, for example, Patent Document 2).

JP-T-2006-513601 JP 2006-509460 A

  The telephone line wireless unit, which has been commercialized for the purpose of eliminating the troublesome wiring of the telephone line between the digital receiver and the telephone line described above, is now included as a power supply for operation. In addition, it is necessary to use an AC adapter or an AC power supply. In particular, there are many cases where an AC power outlet is not installed near the telephone line rosette (external line terminal board), and there is a problem that it is difficult to wire the power supply on the telephone line side.

  The present invention is intended to solve the problems of such a conventional configuration, and achieves low power consumption of a wireless communication unit for a telephone line provided on the digital receiver side and the telephone line side. In particular, it is possible to provide a telephone line wireless device for a digital receiver that can make the structure of the power supply to the wireless communication unit provided on the telephone line side very simple and eliminate the troublesome wiring of the power supply. It is intended to provide.

  In order to achieve the above object, the present invention provides a digital receiver telephone comprising a wireless communication unit for a telephone line having communication means for communicating according to a predetermined wireless communication protocol on both the digital receiver side and the telephone line side. In the line wireless device, the wireless communication unit for the telephone line is configured to operate according to the ZigBee wireless communication protocol.

  The present invention also provides the following aspects of the digital receiver telephone line wireless device described above.

  First, in the wireless communication unit for a telephone line provided on the telephone line side, it is effective to use a DC power source superimposed on the telephone line as operating power.

  The telephone line wireless communication unit provided on the telephone line side is used as operating power via a power converter that converts a DC power source superimposed on the telephone line into a predetermined voltage value or current value. Is desirable.

  In addition, the wireless communication unit for the telephone line provided on the telephone line side is configured to store a DC power source superimposed on the telephone line in a storage battery circuit, and uses the output of the storage battery circuit as operating power. Is effective.

  The telephone line wireless communication unit provided on the telephone line side can also use a battery power source as an operating power source.

  Furthermore, the present invention provides a telephone line wireless device for a digital receiver provided with a wireless communication unit for a telephone line having communication means for communicating according to a predetermined wireless communication protocol on both the digital receiver side and the telephone line side. The wireless communication unit for the line is configured to operate in accordance with at least one protocol among weak wireless communication, power-saving wireless communication, Bluetooth, IEEE 802.11 standard, WiFi and infrared protocols.

  The telephone line wireless device for a digital receiver of the present invention configured as described above is configured such that a telephone line wireless communication unit provided on the digital receiver side and the telephone line side operates according to the ZigBee wireless communication protocol. Thus, low power consumption can be realized.

  As a result, in particular, the wireless communication unit on the telephone line side can be covered by the supply power from the DC power source superimposed on the telephone line, and the configuration of the power supply to the wireless communication unit is very simple. Therefore, the troublesomeness of power supply wiring can be eliminated.

  Hereinafter, an embodiment of the present invention will be described with reference to FIG. FIG. 1 is a functional explanatory diagram showing the overall configuration according to the embodiment of the present invention.

  As shown in FIG. 1, the digital receiver telephone line wireless device of the present invention is connected to a digital broadcast receiver (Set Top Box: STB) (not shown) side installed on the viewer side. A wireless communication unit 1 is provided. The wireless communication unit 1 includes a wireless communication circuit 11, a transmission / reception antenna 12, and the like, and is connected to a telephone line connection terminal (not shown) provided on the STB body. Further, the wireless communication unit 1 uses an attached AC adapter or AC power source as the power source 13 for operation.

  On the other hand, on the telephone line side, a wireless communication unit 2 for a telephone line connected to a telephone line connection terminal (not shown) provided on a rosette (external line terminal board) is provided. The wireless communication unit 2 includes a wireless communication circuit 21, a transmission / reception antenna 22, and the like. Further, the wireless communication unit 2 is configured to use a DC power source superimposed on a telephone line as an operation power as the operation power source 23.

  Further, the wireless communication unit 1 and the wireless communication unit 2 for the telephone line provided on the STB side and the telephone line side are configured to operate according to the ZigBee wireless communication protocol. This ZigBee is generally not suitable for voice communication because of the amount of data, but it does not handle voice like STB data communication, and the communication frequency is about several minutes per day. It is an optimal protocol for data communication with a small amount of communication.

  Further, by using the ZigBee wireless communication protocol for the wireless communication unit 1 and the wireless communication unit 2 for the telephone line, the ZigBee consumes very little power, so the wireless communication unit 2 for the telephone line provided on the telephone line side is The DC power source superimposed on the telephone line can be used as operating power.

  As a result, the configuration of the power supply of the wireless communication unit 2 provided on the telephone line side can be made very simple, and the troublesomeness of power supply wiring can be eliminated.

  The present invention is applicable to various digital broadcast digital receivers such as BS digital broadcast using a broadcast satellite, CS digital broadcast using a communication satellite, or terrestrial digital broadcast.

A telephone line wireless unit to which the present invention is applied will be described with reference to a block diagram showing a configuration example of FIGS.
On the STB side, a wireless communication unit 1 for a telephone line configured as shown in FIG.

  The wireless communication unit 1 includes a wireless communication circuit 11 that employs ZigBee with low operating power, a telephone line that functions as an interface circuit for performing communication through a telephone line between the transmission / reception antenna 12 and the STB side. Through a circuit 14, a telephone connection terminal 15 connected to a telephone connection terminal (not shown) provided on the STB side, a communication control processor 16 for controlling the wireless communication circuit 11 and the telephone line circuit 14, and an attached AC adapter 13 The power supply circuit 17 supplies power for operation to each circuit in the wireless communication circuit 11.

  On the other hand, as shown in FIG. 2B, on the telephone line side, a telephone connected to a telephone line connection terminal (not shown) provided on a rosette (external line terminal board) and operating similarly to the STB side. A wireless communication unit 2 for a line is provided.

  The wireless communication unit 2 employs ZigBee with low operating power, and has a wireless communication circuit 21, a transmission / reception antenna 22, and a function for monitoring whether a home telephone is always used. A telephone line circuit 24, a communication control processor 25 for controlling the wireless communication circuit 21 and the telephone line circuit 24, a telephone line connection terminal 26 connected to a rosette (external line terminal board), and a household telephone used by a viewer It is comprised from the telephone connection terminal 27 which connects.

  Further, the wireless communication unit 2 includes a power supply circuit 23 configured to use a DC power supply superimposed on a telephone line as operation power as an operation power supply for each circuit described above. The power supply circuit 23 includes a power conversion circuit 231 that converts a DC power superimposed on a telephone line into a voltage necessary for each circuit in the wireless communication unit 2 described above, and a power converted by the power conversion circuit 231. And a storage battery circuit 232 for storing the battery.

  The telephone line wireless device for a digital receiver of the present invention configured as described above includes a telephone line wireless communication unit 1 and a wireless communication unit 2 provided on the digital receiver side and the telephone line side in accordance with the ZigBee wireless communication protocol. By configuring to operate, low power consumption and low running cost can be realized.

  As a result, in particular, the wireless communication unit 2 on the telephone line side can be covered by the power supply from the DC power supply superimposed on the telephone line, and the configuration of the power supply to the wireless communication unit 2 is very simple. Since it can be set as a structure, the troublesomeness of the wiring of a power supply can be eliminated.

Next, a second embodiment of the present invention will be described.
As described in the first embodiment, the digital receiver telephone line wireless device according to the present invention includes the telephone line wireless communication unit 1 and the wireless communication unit 2 provided on the digital receiver side and the telephone line side. By configuring to operate according to the wireless communication protocol, low power consumption driving is realized.

  Thus, by adopting ZigBee, low power consumption driving is possible, and the power converter 231 and the storage battery of the power circuit 23 provided in the wireless communication unit 2 provided on the telephone line side shown in FIG. The configuration of the circuit 232 can be replaced with a circuit using a battery (battery power supply circuit).

  As described above, by replacing the power supply circuit 23 with a circuit using a battery (battery power supply circuit), depending on the frequency of transmission / reception, operation for several years with a power of about dry cell (for example, 3.0 V drive) It is possible to construct a wireless communication unit that has completely no wiring including a power source and that has low power consumption and low running cost.

Furthermore, a third embodiment of the present invention will be described.
The telephone line wireless device for a digital receiver of the present invention described in the first embodiment and the second embodiment includes a wireless communication unit 1 and a wireless communication unit 2 for a telephone line provided on the digital receiver side and the telephone line side. Although it is characterized in that it is configured to operate according to the ZigBee wireless communication protocol, instead of this ZigBee, the wireless communication unit 1 and the wireless communication unit for the telephone line provided on the digital receiver side and the telephone line side are provided. 2 can be configured to operate in accordance with at least one of the following protocols: weak wireless communication, power saving wireless communication, Bluetooth, IEEE 802.11 standard, WiFi and infrared.

  In this way, the wireless communication unit 1 and the wireless communication unit 2 for the telephone line provided on the digital receiver side and the telephone line side are connected to weak wireless communication, power saving wireless communication, Bluetooth, IEEE 802.11 standard, WiFi. In addition, it is possible to realize low power consumption and low running cost by configuring to operate according to at least one of the infrared protocols.

  As a result, in particular, the wireless communication unit 2 on the telephone line side can be covered by a power supply from a DC power supply superimposed on the telephone line or a battery power supply, and the configuration of the power supply to the wireless communication unit 2 can be achieved. Since the configuration can be very simple, the troublesomeness of wiring of the power supply can be eliminated.

It is function explanatory drawing which shows the whole structure which concerns on embodiment of this invention. FIG. 2 is a block diagram illustrating a configuration example of an STB side and a telephone line side in FIG. 1.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Wireless communication unit 11 Wireless communication circuit 12 Transmission / reception antenna 13 Power supply (AC adapter)
DESCRIPTION OF SYMBOLS 14 Telephone line circuit 15 Telephone connection terminal 16 Communication control processor 17 Power supply circuit 2 Wireless communication unit 21 Wireless communication circuit 22 Transmission / reception antenna 23 Power supply 231 Power supply converter 232 Storage battery circuit 24 Telephone line circuit 25 Communication control processor 26 Telephone line connection terminal 27 Telephone Connecting terminal

Claims (6)

In a telephone line wireless device for a digital receiver provided with a wireless communication unit for a telephone line having communication means for communicating according to a predetermined wireless communication protocol on both the digital receiver side and the telephone line side,
A telephone line wireless device for a digital receiver, wherein the wireless communication unit for the telephone line is configured to operate according to a ZigBee wireless communication protocol.   2. The telephone line wireless device for a digital receiver according to claim 1, wherein the telephone line wireless communication unit provided on the telephone line side uses a DC power source superimposed on the telephone line as operating power. .   The wireless communication unit for a telephone line provided on the telephone line side uses a DC power source superimposed on the telephone line as operating power via a power converter that converts the DC power source to a predetermined voltage value or current value. 3. A telephone line wireless device for a digital receiver according to claim 1 or 2.   The wireless communication unit for the telephone line provided on the telephone line side is configured to store a DC power source superimposed on the telephone line in a storage battery circuit, and uses the output of the storage battery circuit as operating power. The telephone line wireless device for a digital receiver according to any one of claims 1 to 3.   2. The telephone line wireless device for a digital receiver according to claim 1, wherein the wireless communication unit for the telephone line provided on the telephone line side uses a battery power source as operating power. In a telephone line wireless device for a digital receiver provided with a wireless communication unit for a telephone line having communication means for communicating according to a predetermined wireless communication protocol on both the digital receiver side and the telephone line side,
The wireless communication unit for the telephone line is configured to operate according to at least one protocol among weak wireless communication, power-saving wireless communication, Bluetooth, IEEE 802.11 standard, WiFi and infrared protocols. Telephone line wireless device for digital receivers.

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