JPH06245096A - Catv equipment - Google Patents

Abstract

PURPOSE:To provide a CATV equipment capable of making a remote control transmitter common and coping with the specifications of respective users. CONSTITUTION:The main body 1 of a terminal is provided with a memory 12 where processing contents corresponding to instruction codes transmitted from the remote control transmitter used among the plural kinds of the remote control transmitters 7a are written, an operation changing part 13 for reading the processing contents from the memory corresponding to the instruction codes from the remote control transmitter 7a and a remote control code processing part 15 to for processing television signals by the instruction of the operation changing part 13. By changing the contents of the memory corresponding to the remote control transmitter to be used, even the remote control transmitter of common specification can cope with the specifications of the respective users.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a CATV terminal device of a type in which a terminal body is operated by a remote control transmitter.

[0002]

2. Description of the Related Art In the recent CATV industry, there is a type in which a remote control transmitter is operated to switch processing contents of a terminal body. In addition, there is an increasing demand for various kinds of switching of processing contents for each user.

A conventional CATV device is constructed as shown in FIG. The terminal body 1 that receives a television signal sent from a center [not shown] is configured as follows. The TV signal from the center passes from the RF input 2 through the branching device 3, and is selected and demodulated by the video / audio circuit 4.
Output is switched, and video output and audio output are performed.
Various data from the center are demodulated by the data demodulation circuit 5 from the branch output of the branching device 3 and input to the microprocessor 6. The transmission code from the remote control transmitter 7 a is received by the remote control receiving circuit 8 and input to the microprocessor 6. Microprocessor 6
Controls the video / audio circuit teacher based on various input data and remote control code. At this time, the received remote control code is interpreted and processed by the remote control code processing stored in the ROM 9.

The items of processing contents are often different for each user, and the remote control transmitter is currently prepared for each user. Specifically, the CATV device to be shipped to the first user has a remote control transmitter 7 for subject 1 having an instruction code according to a desired processing item.
CATV equipped with a and shipped to the second user
The device is equipped with a remote control transmitter 7b for subject 2 having an instruction code according to the desired processing item, and the CATV device shipped to the third user has an instruction code according to the desired processing item. Remote control transmitter 7c for subject 3
It is currently equipped with.

The arrangement of the operation buttons of the remote control transmitters 7a to 7c is configured as shown in FIGS. 6 (a) to 6 (c). Common buttons 10a, 10b, 10c are used for processing items common to all the remote control transmitters 7a to 7c.
Buttons D, E, and F are provided. The same code is output regardless of which button D, E, F of any remote control transmitter is operated. In the specific button group in which the operation content of the CATV terminal device is different for each subject, buttons Al, Bl, Cl of the remote controller transmitter 7a for subject 1 and buttons A2, B2, C2, and subject 3 of the remote controller transmitter 7b for subject 2 are used. The transmission codes corresponding to the nine buttons A3, B3, C3 of the remote control transmitter 7c are all different.

[0006]

SUMMARY OF THE INVENTION With such a configuration,
By the remote control code processing stored in the ROM of the terminal body 1, the remote control transmitters 7a, 7 for the three types of subjects in FIG.
Even if the processing of all twelve types of codes b and 7c is stored, when corresponding to the three types of subject lines, the first user is provided with the remote control transmitter 7a for subject line 1, respectively.
Since the second user needs the remote controller transmitter 7b for subject 2 and the third user needs the remote controller transmitter 7c for subject 3, three remote controller transmitters are required.

Further, since it becomes a remote controller transmitter of a large variety of products in a small lot, it becomes an expensive remote controller transmitter, and it becomes difficult to shorten the delivery time and make maintenance.
SUMMARY OF THE INVENTION It is an object of the present invention to provide a CATV device which has a common remote control transmitter and can meet the specifications of each user.

[0008]

A CATV according to claim 1
The device consists of a terminal body that processes and outputs TV signals received from the center, and multiple types of remote control transmitters that have the same transmission code content but different processing content to instruct the terminal body. A memory in which processing contents corresponding to an instruction code transmitted from a remote control transmitter used among the plurality of types of remote control transmitters are written,
It is characterized in that an operation changing section for reading processing contents from the memory corresponding to a command code from the remote control transmitter and a remote control code processing section for processing the television signal according to an instruction of the operation changing section are provided.

According to another aspect of the present invention, there is provided a method for initializing a CATV device, comprising: a memory in which processing contents corresponding to a command code transmitted from a remote control transmitter used among a plurality of types of remote control transmitters are written; A CATV provided on the terminal body with an operation changing section for reading out processing contents from the memory in response to an instruction code from the machine and a remote control code processing section for processing a television signal sent from the center according to an instruction of the operation changing section. When initializing the device,
It is characterized in that control information is sent from the center to the terminal body to rewrite the contents of the memory of the terminal body to perform the initial setting.

According to a third aspect of the present invention, a CATV device performs remote control transmission of a plurality of processes in which a terminal main body for processing and outputting a television signal received from a center is different from a terminal main body in which processing contents instructing the terminal main body are different but transmission codes are the same. Machine and
In the terminal body, a memory in which processing contents corresponding to command codes of at least two or more remote control transmitters of the plurality of types of remote control transmitters are written, and the memory set according to the remote control transmitter to be used. Setting section for designating an area for reading, an operation changing section for reading processing contents from an area specified by the setting section of the memory corresponding to an instruction code from the remote control transmitter, and the television signal according to an instruction of the operation changing section. Is provided with a remote control code processing section.

According to another aspect of the present invention, there is provided a method for initializing a CATV device, which uses a memory in which processing contents corresponding to command codes of at least two remote controller transmitters among a plurality of kinds of remote controller transmitters are written. A setting unit which is set according to the remote control transmitter and designates a reading area of the memory; and an operation changing unit which reads out processing contents from the area designated by the setting unit of the memory corresponding to a command code from the remote control transmitter. A remote control code processing unit for processing the television signal according to an instruction from the operation changing unit, sends control information from the center to the terminal body to use the setting unit of the terminal body at the time of initial setting of the CATV device provided in the terminal body. It is characterized in that the contents are rewritten according to the remote control transmitter and initialized.

[0012]

According to the structure of the first aspect, by changing the contents of the memory of the terminal main body in accordance with the remote control transmitter used, even the remote control transmitter of common specifications can meet the specifications of each user.

According to the second aspect of the present invention, in order to change the contents of the memory of the terminal body from the center side to change the contents to the intended contents, it is necessary to change the inside of the terminal body such as replacement of the memory chip. You can complete the work of initial setting without.

According to the structure of claim 3, since the processing contents corresponding to the command codes of at least two or more remote control transmitters are written in the memory of the terminal body, the remote control transmitter to be used is set in the setting section. By changing the area where the operation changing unit reads the processing contents from the memory, various remote control transmitters can be supported.

According to the structure of claim 4, the contents of the setting unit of the terminal main body are instructed and changed from the center side, and the operation changing unit changes the area read from the memory.

[0016]

Embodiments of the present invention will be described below with reference to FIGS. It should be noted that components having the same functions as those of the conventional example shown in FIGS.

FIG. 1 shows a first embodiment. 2 (a)-
(C) shows the button arrangement of the remote control transmitters prepared for the first to third users. Here, the remote control transmitter for subject 1 and the remote control transmitter for subject 2 and subject 3 are shown.
Since the remote control transmitter for use with the same transmitter transmits the same code, the remote control transmitter for subject 1 will be denoted by the reference numeral 7a. Specifically, [D, E, F], which is a group of normal buttons in which the operation contents of the CATV terminal device are common, is the remote control transmitter for subject 1, the remote control transmitter for subject 2, and the subject 3
Both remote control transmitters output the same code. In addition, even with a specific button group having different operation contents of the CATV terminal device for each subject, [A1, B1, C1] of the remote controller transmitter for subject 1 and [A1, B1, C1] of the remote controller transmitter for subject 2
2, B2, C2], remote control transmitter for subject 3 [A3, B
3, C3], A1, A2, A3 transmit the same code, B1, B2, B3 transmit the same code, and C1, C2, C3 transmit the same code.

Such a single-specification remote control transmitter 7a
The terminal body 1 capable of complying with the specifications of each of the first to third users is configured as follows. In FIG. 1, a television signal from the center passes from the RF input 2 through the branching device 3, and the video / audio circuit 4 performs channel selection, demodulation, and output switching to output video and audio. The control information in the various data from the center is demodulated by the data demodulation circuit 5 from the branch output of the branching device 3 and input to the microprocessor 6. Further, the transmission code from the remote control transmitter is received by the remote control receiving circuit 8,
It is input to the microprocessor 6. The microprocessor 6 stores control information relating to remote control code processing in the input various data in the RAM 12, and controls the video / audio circuit 4 based on other various data and remote control codes. At this time, the received remote control code is RO for the remote control code processing of the normal button group and the default value specific button group in which the operation contents of the CATV terminal device are common.
It is interpreted and processed by the remote control code processing stored in M9. Further, the remote control code processing of one or a plurality of specific button groups having different operation contents of the CATV terminal device for each subject is interpreted and processed by the remote control code processing stored in the RAM 12.

FIG. 3 is a functional block diagram showing a portion constituted by the microprocessor 6, the ROM 9 and the RAM 12. Terminal body 1 to be shipped to the first user
In the case of, the content 1 of the operation changing unit 13 is rewritten to the content conforming to the specifications of the first user.

The remote control code transmitted from the remote control transmitter 7a for subject 1 is divided into a normal button group process and a specific button group process by the remote control code discrimination section 14.
The normal button group processing is processed by the remote control code processing unit 15. Further, the specific button group processing is performed in the ROM or
The operation change section 13 which is a program on the RAM changes the operation content for each subject, and the remote control code processing section 15 processes it.

In the case of the terminal body 1 to be shipped to the second user, the content of the operation changing section 13 is rewritten to the content conforming to the specifications of the second user, and the content of the terminal body 1 to be shipped to the third user is rewritten. In this case, the content of the operation changing unit 13 is rewritten to the content conforming to the specifications of the third user.

As described above, since the processing contents are read from the RAM 12 and processed with respect to the command code of the special button group, the contents of the RAM 12 can be simply rewritten even when a remote controller transmitter of a single specification is used. The specifications of the second and third users can be dealt with.

In the above embodiment, the processing content for the instruction code of the special button group is written in the RAM 12, but the processing content for the instruction code is written for each user.
Even if the OM is prepared and the ROM is replaced for each shipping user, the same effect can be expected.

In the first embodiment, the instruction code of the special button group is provided with only the data for conforming to the specifications of the user to be shipped. However, the second embodiment shown in FIG. As described above, the processing content data 16 for the instruction code of the first user's special button group, the processing content data 17 for the instruction code of the second user's special button group, and the third user's special button group The processing content data 18 corresponding to the instruction code is written in the terminal body 1 and the setting section 19 specifies the data used when the operation changing section 13 converts the instruction code of the special button group into the target processing content. The same effect can be expected by configuring as described above.

In the case of the second embodiment, it is not necessary to replace the memory chips according to the shipping destination, and the work is completed only by changing the setting of the setting section 19. In the first embodiment described above, it was necessary to replace or rewrite the memory chip of the terminal main body 1 according to the shipping destination at the time of shipping. By adopting the method of sending the information about the correspondence from the center to the terminal main body 1 and rewriting the contents of the memory of the terminal main body 1 to set the processing, the complicated work at the time of shipping can be omitted. Further, in the second embodiment, the setting of the setting unit 19 of the terminal body 1 needs to be changed according to the shipping destination. However, the control information is sent from the center to the terminal body 1, and the contents of the setting unit 19 are used by the user. The amount of information transmitted from the center to the terminal body 1 at the time of initial setting can be reduced by adopting the method of rewriting the contents according to the above.

[0026]

According to the first aspect of the present invention, a memory in which processing contents corresponding to an instruction code transmitted from a remote control transmitter used among a plurality of types of remote control transmitters are written, and a remote control transmitter from the remote control transmitter are written. Since the operation changing unit that reads out the processing contents from the memory corresponding to the instruction code and the remote control code processing unit that processes the television signal according to the instruction of the operation changing unit are provided on the terminal basis, depending on the remote control transmitter to be used. By changing the contents of the memory of the terminal body, even a remote control transmitter with common specifications can meet the specifications of each user. In addition, by standardizing the remote control transmitters by unifying them, the cost of the remote control transmitters can be reduced, and the delivery time can be shortened and the workability and the maintainability can be greatly improved. Also, C
In the ATV terminal device, it is possible to maintain the same workability, maintainability, and cost as before because only software is changed for each subject.

According to the second aspect of the present invention, in order to change the contents of the memory of the terminal body from the center side to change the contents to the intended contents, it is necessary to change the inside of the terminal body such as replacement of the memory chip. You can complete the work of initial setting without.

According to the third aspect of the invention, since the processing contents corresponding to the command codes of at least two or more remote control transmitters are written in the memory of the terminal body, the remote control transmitter to be used is set in the setting section. By changing the area where the operation changing unit reads the processing content from the memory, various remote control transmitters can be supported.

According to the structure of claim 4, the contents of the setting unit of the terminal main body are instructed and changed from the center side, and the operation changing unit changes the area to be read from the memory. This reduces the amount of information to be processed.

[Brief description of drawings]

FIG. 1 is a configuration diagram of a first embodiment of a CATV device of the present invention.

FIG. 2 is a button layout diagram of the remote control transmitter of the embodiment.

FIG. 3 is a functional block diagram of an essential part of the embodiment.

FIG. 4 is a configuration diagram of a second embodiment.

FIG. 5 is a block diagram of a conventional CATV device.

FIG. 6 is a button layout of the remote control transmitter of the conventional example.

[Explanation of symbols]

 1 Terminal Main Body 6 Microprocessor 7a Remote Control Transmitter 9 ROM 12 RAM 13 Operation Change Section 14 Code Judgment Section 15 Remote Control Code Processing Section 19 Setting Section

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Masami Tanaka 1006 Kadoma, Kadoma City, Osaka Prefecture Matsushita Electric Industrial Co., Ltd.

Claims (4)

[Claims] 1. A terminal main body for processing and outputting a television signal received from a center, and a plurality of types of remote control transmitters having different processing contents for instructing the terminal main body but having the same transmission code contents. The memory in which the processing content corresponding to the instruction code transmitted from the remote control transmitter used among the plurality of types of remote control transmitters is written, and the memory corresponding to the instruction code from the remote control transmitter from the memory. A CATV device provided with an operation changing section for reading processing contents and a remote control code processing section for processing the television signal according to an instruction from the operation changing section. 2. A memory in which processing contents corresponding to an instruction code transmitted from a remote control transmitter used among a plurality of types of remote control transmitters are written, and the memory corresponding to the instruction code from the remote control transmitter. From the center to the terminal body at the time of the initial setting of the CATV installation in which the operation changing section for reading the processing content from the center and the remote control code processing section for processing the TV signal sent from the center according to the instruction of the operation changing section are provided in the terminal body. A method for initializing a CATV device, which sends control information to rewrite the contents of the memory of the terminal body. 3. The terminal body comprises a terminal body for processing and outputting a television signal received from the center, and a plurality of types of remote control transmitters having different processing contents for instructing the terminal body but having the same transmission code contents. Is a memory in which processing contents corresponding to command codes of at least two or more remote control transmitters of the plurality of types of remote control transmitters are written, and reading of the memory set according to the remote control transmitters used. A setting unit for designating an area, an operation changing unit for reading processing contents from an area designated by the setting unit of the memory corresponding to a command code from a remote control transmitter, and the television signal processed by an instruction of the operation changing unit. A CATV device provided with a remote control code processing unit. 4. A memory in which processing contents corresponding to command codes of at least two or more remote control transmitters of a plurality of types of remote control transmitters are written, and a memory set according to the remote control transmitters used. A setting unit for designating a reading area, an operation changing unit for reading processing contents from an area designated by the setting unit of the memory corresponding to a command code from a remote control transmitter, and the television signal according to an instruction of the operation changing unit. A CATV device in which the remote control code processing unit for processing rewrites the contents according to the remote control transmitter that uses the setting unit of the terminal body that has sent control information from the center to the terminal body at the time of initial setting of the CATV device provided in the terminal body. Initial setting method.