JP2004056371A - Digital broadcast receiver and card type tuner - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a digital broadcast receiver to which a tuner adaptable to a new broadcast desired to view can simply be connected so as to allow a user to easily view the new broadcast and to provide a card type tuner. <P>SOLUTION: The digital broadcast receiver comprises: an interface section; a front end section; a control section; and a back end section, and a plurality of pins and electrodes are provided to the interface section with the arrangement and the shape in compliance with the PCMCIA (personal computer memory card international association) standards. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a digital broadcast receiver for receiving and viewing broadcasts, and more particularly to a digital broadcast receiver capable of receiving a plurality of broadcasts.
[0002]
[Prior art]
Conventionally, to receive a digital broadcast you want to watch, prepare a digital broadcast receiver with a built-in tuner corresponding to the digital broadcast, or support the digital broadcast separately from a digital broadcast receiver without a tuner. A dedicated tuner is prepared and connected.
[0003]
For example, to watch a digital BS broadcast, it is possible to prepare a digital broadcast receiver with a built-in digital BS tuner. However, for those who have only a digital broadcast receiver without a built-in digital BS tuner, a digital BS tuner can be used. It is necessary to newly prepare a digital broadcast receiver having a built-in, which increases the cost. On the other hand, if only a tuner corresponding to the digital BS broadcast is separately purchased without newly preparing and connected to a digital broadcast receiver which does not have a digital BS tuner, the cost can be reduced. What has been described above also applies to the case where a terrestrial digital broadcast, which is a new form of broadcasting in recent years, is desired to be viewed.
[0004]
[Problems to be solved by the invention]
However, if a new digital broadcast receiver is not prepared and a new dedicated tuner is connected to a conventional digital broadcast receiver and connected, the cost will be low, but the processing of power supply and connection wiring will increase. However, there has been a problem that the connection operation is complicated.
[0005]
The present invention has been made in view of the above-described problems, and a tuner corresponding to a broadcast to be newly viewed can be easily connected to a digital broadcast receiver, and a digital broadcast receiver that can be easily viewed. An object is to provide a card type tuner.
[0006]
[Means for Solving the Problems]
To solve the aforementioned issues,
In the invention according to claim 1,
An interface unit, a front end unit, a control unit, and a digital broadcast receiver including a back end unit,
A plurality of pins and electrode portions are provided on an interface portion having an arrangement and shape according to the PCMCIA standard,
In the invention according to claim 2,
The digital broadcast receiver according to claim 1,
A plurality of pins are provided in two rows, and an electrode portion is provided in the middle of the four pins in both rows,
In the invention according to claim 3,
An interface unit, a front end unit, a control unit, and a digital broadcast receiver including a back end unit,
Characterized in that a plurality of pins and fitting holes are provided alternately on an interface portion having an arrangement and a shape in accordance with the PCMCIA standard,
In the invention according to claim 4,
An interface unit, a front end unit, a control unit, and a digital broadcast receiver including a back end unit,
An interface section having an arrangement and a shape in accordance with the PCMCIA standard is provided with a plurality of pins provided with a plurality of joints via one or more insulators,
In the invention according to claim 5,
The digital broadcast receiver according to claim 1, wherein:
The broadcast signal from the antenna received by the digital broadcast receiver itself is transmitted to the interface unit via the front end unit,
In the invention according to claim 6,
A card type tuner including a connector section, a tuner circuit, and a digital signal output circuit,
A connector part having an arrangement and a shape in accordance with the standard of PCMCIA, wherein a plurality of fitting holes and electrode parts are provided alternately,
In the invention according to claim 7,
The card-type tuner according to claim 6,
A plurality of fitting holes are provided in two rows, and an electrode portion is provided in the middle of the four fitting holes in both rows,
In the invention according to claim 8,
A card type tuner including a connector section, a tuner circuit, and a digital signal output circuit,
Characterized in that a plurality of pins and fitting holes are provided alternately on a connector portion having an arrangement and a shape in accordance with PCMCIA standards,
In the invention according to claim 9,
A card type tuner including a connector section, a tuner circuit, and a digital signal output circuit,
A connector portion having an arrangement and a shape in accordance with the PCMCIA standard is provided with a plurality of fitting holes provided with a plurality of joint portions via one or more insulators,
In the invention according to claim 10,
In the card type tuner according to any one of claims 6 to 9,
An external input terminal for receiving a broadcast signal from an antenna is provided.
[0007]
BEST MODE FOR CARRYING OUT THE INVENTION
Embodiments of a digital broadcast receiver and a card-type tuner of the present invention will be described with reference to FIGS. FIG. 1 is a diagram showing a configuration of a digital broadcast receiver 1 of the present invention, and FIG. 2 is a diagram showing a first embodiment of connection between the digital broadcast receiver 1 and a card-type tuner 2, and FIGS. FIG. 5 is a view showing a modification of the first embodiment, FIG. 5 is a view of the card type tuner 2 in FIG. 2 as viewed from the joint surface side with the digital broadcast receiver 1, and FIG. FIG. 7 is a diagram showing a second embodiment of the connection between the digital broadcast receiver 1 and the card-type tuner 2, FIG. 7 is a diagram showing a third embodiment of the connection between the digital broadcast receiver 1 and the card-type tuner 2, and FIG. FIG. 2 is a detailed view of the card-type tuner 2 when the digital broadcast receiver 1 and the card-type tuner 2 are joined together, as viewed from the side.
[0008]
In FIG. 1, the digital broadcast receiver 1 of the present invention includes an interface unit 10, a front end unit 11, a control unit 12, and a back end unit 13. A tuner, for example, a tuner for digital BS broadcasting is mounted on the front end unit 11. The broadcast signal from the antenna is received by the front end unit 11, and a transport stream (digital signal) is generated. The generated transport stream is passed to the back-end unit 13, where video and audio signals are generated. The video and audio signals can be viewed by outputting them to a receiver such as a television. The control unit 12 performs a series of these processes, for example, control necessary for channel selection and power management of the main unit. The card-type tuner 2 of the present invention includes a connector section 20 having a shape and a terminal arrangement conforming to the PCMCIA (Personal Computer Memory Card International Association) standard, a tuner circuit, and a digital signal output circuit.
[0009]
When a user cannot view a broadcast that cannot be viewed with a digital BS broadcast tuner mounted on the front end unit 11 of the digital broadcast receiver 1, for example, a terrestrial digital broadcast, a terrestrial digital broadcast tuner is mounted. What is necessary is just to mount the card type tuner 2 on the digital broadcast receiver 1. Specifically, the attachment is performed by attaching the connector section 20 of the card type tuner 2 to the interface section 10 of the digital broadcast receiver 1. The card-type tuner 2 of the present invention has substantially the same function as the tuner of the front-end unit 11 and receives an input from an external input terminal (not shown) provided on the card-type tuner 2 (left end in FIG. 1). A broadcast signal from the antenna is received by a tuner circuit in the card-type tuner 2 to generate a transport stream, and this transport stream is passed to the back-end section 13 via the connector section 20 and the interface section 10, and the video and audio signals are transmitted. Generate Note that the broadcast signal from the antenna received by the digital broadcast receiver 1 itself may be received by the tuner circuit in the card type tuner 2 via the interface unit 10 and the connector unit 20 via the front end unit 11. . When the card-type tuner 2 is used, the fact that the card-type tuner 2 is mounted, the recognition of the content of the tuner of the mounted card-type tuner 2 itself, the reception of a broadcast signal from an antenna from the external input terminal or the front end unit 11 The control unit 12 determines whether or not to receive the information.
[0010]
In the digital broadcast receiver 1 of the present invention, the card-type tuner 2 is simply mechanically mounted on the digital broadcast receiver 1, and the broadcast signal from the front-end unit 11 and the control unit 12 described above can be connected. Electrical connection between the card-type tuner 2 and the front-end unit 11, the control unit 12, and the back-end unit 13 of the digital broadcast receiver 1 for signals such as control and the transport stream signal to the back-end unit 13. In order to achieve this, the digital broadcast receiver 1 is provided with an interface unit 10. Further, a connector section 20 corresponding to the interface section 10 is provided on one side of the card type tuner 2.
[0011]
An embodiment of the interface unit 10 and the connector unit 20 will be described below. 2 to 5 show a first embodiment, FIG. 6 shows a second embodiment, and FIGS. 7 and 8 show a third embodiment.
[0012]
In the first embodiment, as shown in FIG. 2, the interface section 10 of the digital broadcast receiver 1 is provided with an electrode section 101 for performing only electrical connection and a pin 102 for performing both mechanical mounting and electrical connection. Corresponding to this, the connector section 20 of the card type tuner 2 is provided with an electrode section 201 and a fitting hole 202 for both mechanical mounting and electrical connection. Here, the arrangement and shape of the pins 102 and the fitting holes 202 are each configured to conform to the PCMCIA standard. Accordingly, as shown in FIG. 2, the electrode portions 101 are alternately provided between the pins 102 arranged according to the PCMCIA standard, and similarly, the electrode portions 201 are alternately provided between the fitting holes 202 arranged according to the same standard. Will be provided. For example, the transmission system including the pins 102 of the interface unit 10 and the fitting holes 202 of the connector unit 20 is used for signals of basic functions that are indispensable for using the card-type tuner 2. And a transmission system composed of the electrode unit 101 of the interface unit 10 and the electrode unit 201 of the connector unit 20 is always indispensable. It is not necessarily allocated to a signal at the time of adding a function, for example, for transmitting a broadcast signal from an antenna received by the digital broadcast receiver 1 itself or for transmitting a control signal for automatically setting switching of a selected channel. It is conceivable to do so.
[0013]
By doing so, the digital broadcast receiver 1 having the electrode section 101 in the interface section 10 as shown in FIG. 2 and the digital broadcast receiving apparatus having no electrode section 101 in the interface section 10 as shown in FIG. Device 1 (one in which various elements necessary for the card-type tuner 2 to use the broadcast signal from the antenna received by the digital broadcast receiver 1 itself are omitted. Therefore, the cost is lower than that of the device having the electrode unit 101. 2) can be used selectively. Alternatively, as shown in FIG. 2, a card-type tuner 2 having an electrode section 201 in a connector section 20; As shown in FIG. 1, the card type tuner 2 having no electrode section 201 in the connector section 20 (a broadcast signal from an antenna is received only from the external input terminal, and the electrode section 2 1 is omitted, so that the cost is lower than that having the electrode unit 201). It is possible to select and use two types of card-type tuners 2). Become. As shown in FIG. 5, each of the electrode portions 201 is provided in the middle of four upper, lower, left and right fitting holes 202 to prevent an electrical short circuit with the transmission system of the fitting hole 202 and interference of adjacent signals. are doing. Note that the arrangement and shape of the respective fitting holes provided in parallel in two rows in the horizontal direction shown in FIG. 5 are configured in accordance with the PCMCIA standard.
[0014]
In the second embodiment, as shown in FIG. 6, pins 102 and 203 serving both mechanical mounting and electrical connection are provided on both the interface unit 10 of the digital broadcast receiver 1 and the connector unit 20 of the card-type tuner 2. The interface section 10 is provided with a fitting hole 103 and the connector section 20 is provided with a fitting hole 202 correspondingly. By alternately providing the pins and the fitting holes, a larger number of pins and fitting holes can be provided, and the mechanical mounting force can be increased, as compared with providing only one of the pins and the fitting holes. The arrangement and shape of each of the pins 102 and the fitting holes 202 shown in FIG. 6 are in accordance with the PCMCIA standard as before.
[0015]
In the third embodiment, as shown in FIG. 7 and FIG. 8, a first joint 104 and a second joint 105 via an insulator are provided in the interface unit 10 of the digital broadcast receiver 1. The pin 102 is mechanically attached to the connector 20 of the card-type tuner 2 with the first and second joints 104 and 105 and electrically connected to the first joint 204 via an insulator. To form a fitting hole 202 provided with the second joint portion 205. By providing a plurality of joints for one pin and one fitting hole, a large number of communication circuits can be obtained with a small number of pins and fitting holes. In the embodiment, the pin and the fitting hole are divided into two, but may be divided into three or more. The arrangement and shape of the pins 102 and the fitting holes 202 shown in FIG. 7 are the same as before, in accordance with the PCMCIA standard.
[0016]
Further, in the first and third embodiments, since no pins are provided on the card-type tuner 2, when the card-type tuner 2 is carried, the mounting failure due to the damage or loss of the pins due to the pin being caught or the like can be prevented. There is no fear.
[0017]
【The invention's effect】
As described above, according to the present invention, a tuner corresponding to a broadcast to be newly viewed can be easily connected to the digital broadcast receiver, and can be easily viewed. Further, since the digital broadcast receiver or the card-type tuner can be shared, a card-type tuner or a digital broadcast receiver having no electrode section can be used, and the cost can be reduced. Further, by alternately providing the pins and the fitting holes, more signal lines can be provided, the mechanical mounting force can be increased, and the interference between adjacent signals can be reduced. Also, by providing a plurality of joints for one pin and one fitting hole, a large number of communication circuits can be obtained with a small number of pins and fitting holes. Also, the shape and terminal arrangement of the card tuner interface provided on the card tuner and the digital broadcast receiver are configured in accordance with the PCMCIA standard, so that it can be used for various devices having an interface in accordance with the PCMCIA standard. As a result, digital broadcasting can be received.
[Brief description of the drawings]
FIG. 1 is a diagram showing a configuration of a digital broadcast receiver of the present invention.
FIG. 2 is a diagram showing a first embodiment of connection between a digital broadcast receiver 1 and a card-type tuner 2;
FIG. 3 is a diagram showing a first modification of the first embodiment of FIG. 2;
FIG. 4 is a view showing a second modification of the first embodiment in FIG. 2;
5 is a view of the card type tuner 2 of FIG. 2 as viewed from the right side.
FIG. 6 is a diagram showing a second embodiment of the connection between the digital broadcast receiver 1 and the card-type tuner 2;
FIG. 7 is a diagram showing a third embodiment of the connection between the digital broadcast receiver 1 and the card-type tuner 2;
8 is a detailed view of the digital broadcast receiver 1 and the card-type tuner 2 of FIG. 5 joined together and viewed from below.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Receiver main body 2 Card type tuner 10 Card interface part 11 Front end part 12 Control part 13 Back end part 20 Connector part 101 Electrode part 102 of interface part 10 Pin 103 of interface part 10 Fitting part 104 of interface part 104 Interface part First joint portion 105 of ten pins Second joint portion 201 of pins of interface portion 10 Electrode portion 202 of connector portion 20 Fitting hole 203 of connector portion 20 Pin 204 of connector portion 20 Pin 204 of connector portion 20 First joint 205 Second joint of connector part 20 fitting part

Claims (10)

An interface unit, a front end unit, a control unit, and a digital broadcast receiver including a back end unit,
A digital broadcast receiver comprising a plurality of pins and electrodes provided on an interface having an arrangement and a shape conforming to PCMCIA standards. The digital broadcast receiver according to claim 1,
A digital broadcast receiver comprising a plurality of pins provided in two rows and an electrode portion provided in the middle of four pins in both rows. An interface unit, a front end unit, a control unit, and a digital broadcast receiver including a back end unit,
A digital broadcast receiver, wherein a plurality of pins and fitting holes are alternately provided in an interface portion having an arrangement and a shape conforming to PCMCIA standards. An interface unit, a front end unit, a control unit, and a digital broadcast receiver including a back end unit,
A digital broadcast receiver comprising a plurality of pins provided with a plurality of joints via one or more insulators in an interface section having an arrangement and a shape conforming to PCMCIA standards. The digital broadcast receiver according to claim 1, wherein:
A digital broadcast receiver characterized by transmitting a broadcast signal from an antenna received by the digital broadcast receiver itself to an interface unit via a front end unit. A card type tuner including a connector section, a tuner circuit, and a digital signal output circuit,
A card-type tuner, wherein a plurality of fitting holes and electrode portions are alternately provided in a connector portion having an arrangement and a shape conforming to PCMCIA standards. The card-type tuner according to claim 6,
A card-type tuner comprising a plurality of fitting holes provided in two rows and an electrode portion provided in the middle of four fitting holes in both rows. A card type tuner including a connector section, a tuner circuit, and a digital signal output circuit,
A card-type tuner, wherein a plurality of pins and fitting holes are alternately provided in a connector portion having an arrangement and a shape in accordance with PCMCIA standards. A card type tuner including a connector section, a tuner circuit, and a digital signal output circuit,
A card-type tuner characterized in that a connector having an arrangement and a shape in accordance with the PCMCIA standard is provided with a plurality of fitting holes provided with a plurality of joints via one or more insulators. In the card type tuner according to any one of claims 6 to 9,
A card-type tuner having an external input terminal for receiving a broadcast signal from an antenna.

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