JP3104683U - Set value recording system - Google Patents

Abstract

A setting value recording system capable of easily changing a setting value at the time of shipment from a factory, which is a setting value for controlling driving of a television, to an appropriate value.
A microcomputer stores only a predetermined program in a built-in storage device, and an EEPROM has a user setting value recording area for recording a predetermined user setting value which is a setting value and can be set by a user. A shipment setting value recording area for recording a predetermined shipment setting value which is set before shipment from a factory, and connected to a television, and a shipment setting value recorded in the shipment setting value recording area. Is provided with a set value rewriting device capable of rewriting a set value to a predetermined value.
[Selection diagram] Fig. 1

Description

  The present invention relates to a set value recording system, and more particularly, to a set value recording system that records a set value referred to when controlling driving of a television.

  In a conventional television, a predetermined program for driving the apparatus and parameters (set values) referred to when the program is operated are all stored in a storage device such as a ROM built in the microcomputer. .

Further, as a conventional technique, a printer initial value setting method of changing a printer-specific initial value stored in an EEPROM 9 by a CPU 1 based on received data is known (for example, see Patent Document 1).
JP-A-7-232469

Conventionally, the program and the set value are stored in the storage device such as the ROM, so that if the microcomputer is masked, the set value cannot be changed thereafter. As a result, especially before shipment from the factory, if it becomes necessary to change the above set values once recorded due to requests from individual suppliers or discovery of defects, the microcomputer itself must be replaced. I was
Japanese Patent Application Laid-Open No. H11-133873 changes an initial value within a range that can be changed by a user when the user uses the same. For this reason, setting values for controlling the driving state of the television, which cannot be changed except in the adjustment stage at the factory, cannot be handled.

  The present invention has been made in view of the above problems, and provides a set value recording system that can easily change a set value at the time of factory shipment, which is a set value for controlling driving of a television, to an appropriate value. The purpose is to do.

  In order to achieve the above object, the invention according to claim 1 is provided with a microcomputer for storing a predetermined program for controlling the driving of the television in a built-in predetermined storage device, and provided outside the microcomputer. In a television set having an EEPROM, in a setting value recording system for recording a predetermined setting value which the microcomputer refers to at the time of control by the program, the microcomputer stores only the predetermined program in the built-in storage device. The EEPROM stores a user setting value recording area for recording a predetermined user setting value which is the setting value and can be set by a user, and a predetermined shipping setting which is the setting value and is set before shipment from a factory. And a shipment setting value recording area for recording the setting value, connected to the television, and recorded in the shipment setting value recording area. Was there the default setting configured to include a rewritable settings rewriting device to a predetermined value.

  In the invention according to claim 1 configured as described above, the television includes a microcomputer that stores a predetermined program for controlling the driving of the television in a predetermined storage device, and an external device that is external to the microcomputer. And an EEPROM to be provided. Then, in the television, the microcomputer records a predetermined set value which is referred to when performing control by a program.

  Here, the microcomputer stores only the predetermined program in the built-in storage device. On the other hand, the EEPROM has a user setting value recording area for recording a predetermined user setting value which is the above setting value and can be set by the user, and a predetermined shipping setting which is the above setting value and is set before shipment from a factory. A shipment setting value recording area for recording a value is provided. A setting value rewriting device is connected to the television, and the shipment setting value recorded in the shipment setting value recording area is rewritten to a predetermined value.

  That is, all the setting values referred to when the microcomputer performs predetermined control by the program are recorded in a memory device external to the microcomputer. As a result, even after the microcomputer is masked in the product manufacturing process of the factory, it is possible to easily rewrite the above-mentioned shipping set value as needed.

  According to a second aspect of the present invention, there is provided a microcomputer which stores only a predetermined program for controlling driving of a television in a predetermined storage device, and a storage device provided outside the microcomputer. A television having a rewritable external storage device having a shipment setting value recording area for recording a predetermined shipment setting value set before shipment, and a television set recorded in the shipment setting value recording area of the external storage device. There is provided a setting value rewriting means capable of rewriting a shipment setting value to a predetermined value.

In the invention according to claim 2 configured as described above, the television includes a microcomputer and a rewritable external storage device provided outside the microcomputer. The microcomputer stores only a predetermined program for controlling the driving of the television in a predetermined storage device incorporated therein. Further, the external storage device has a shipment setting value recording area for recording a predetermined shipment setting value set before shipment from the factory. For a television having such a configuration, the setting value rewriting means rewrites a shipment setting value recorded in the shipment setting value recording area to a predetermined value.
In other words, all the factory setting values are recorded in the storage device outside the microcomputer, so even if the microcomputer is masked during the product manufacturing process at the factory, the same factory setting value can be easily rewritten as necessary It becomes.

  According to a third aspect of the present invention, in the setting value recording system according to the second aspect, the external storage device stores a predetermined user setting value that can be set by a user as an area different from the shipping setting value recording area. The configuration has a user setting value recording area for recording.

According to the third aspect of the present invention, a user setting value recording area is separately provided in the external storage device. As a result, before shipment from the factory, the shipment setting value recorded in the shipment setting value recording area can be rewritten by the setting value rewriting means, and after shipment from the factory, the user can record a predetermined user setting value. Can be.
Various storage devices can be considered as the rewritable external storage device, and an EEPROM can be adopted as an example.

  As described above, according to the present invention, even before the factory shipment after the microcomputer is masked, the shipment setting value can be easily changed in response to a request for specification change or a defect from a supplier. As a result, the microcomputer can be used as a common component even between products having different shipment setting values.

FIG. 3 shows a microcomputer 60 and an EEPROM 70 mounted on a conventional television.
In the figure, a microcomputer 60 that controls the entire television by connecting to a tuner circuit, a chroma IC, a power supply circuit, and the like via a system bus 64, and an EEPROM 70 as an external memory of the microcomputer 60 are shown. Is shown. The microcomputer 60 generally includes a CPU 61 as a central processing unit, a ROM 62 as a non-rewritable semiconductor memory, and a RAM 63 as a rewritable semiconductor memory.

  A predetermined arithmetic program, control program, and the like for driving control of the television are written in the ROM 62, and the CPU 61 executes these programs while using the RAM 63 as a work area. Conventionally, at the time of manufacturing a television product, various setting values referred to when the CPU 61 executes each program are recorded in the ROM 62 as shipping setting values. As the various setting values, for example, setting values for determining the brightness and contrast of the screen or the volume of the sound can be considered.

  On the other hand, the EEPROM 70 has a user setting value recording area 71 having a predetermined memory capacity for recording the changed setting values when the user changes various setting values at the time of using the user. Have been.

  Here, in the case of shipping a certain model of television, the shipment setting value once set according to the defect discovered at the product check stage and the request from each customer, May change again. However, in the above-described conventional configuration, after the microcomputer 60 is masked, the shipment setting value recorded in the microcomputer 60 cannot be rewritten. was there.

FIG. 1 shows a microcomputer 20 and an EEPROM 30 mounted on a television 10 according to the present application.
The microcomputer 20, similarly to the microcomputer 60, generally includes a CPU 21, a ROM 22, and a RAM 23, and is connected to the EEPROM 30 and other circuits (not shown) via a system bus 24. However, unlike the conventional configuration, an arithmetic program and a control program for driving control of the television 10 are recorded in the ROM 22 incorporated in the microcomputer 20, but various programs referred to when the CPU 21 executes the program are described. No settings are recorded. In addition to the user setting value recording area 31, the EEPROM 30 has a shipping setting value recording area 32 in which a predetermined memory capacity is separately secured. That is, a memory device for recording the shipment setting value is provided outside the microcomputer 20.

FIG. 2 shows a work state when changing the shipment setting value.
As shown in the figure, a plurality of television sets 10 on which a shipment setting value is to be changed are flowing on a production line 80. In an actual operation, a PC 40, which is a device for rewriting the factory setting value, is connected to each television 10 via a connection cord 41. Then, the predetermined shipment setting value already recorded in the shipment setting value recording area 32 of the EEPROM 30 of each television 10 is rewritten to a new shipment setting value by operating the PC 40.

  By clicking the start button shown on the display screen 42 of the PC 40, the work of rewriting the shipment setting values for one television 10 is started. During the rewriting operation, data relating to the shipment setting value of the rewriting destination is displayed in a row in the window 43. When all the rewriting operations are completed, an OK button is displayed, and by clicking the OK button, the operation of changing the shipment setting values for one television 10 is completed.

  With such a configuration, even after the microcomputer 20 is masked before shipment from the factory, it is possible to easily change the shipment setting value. Note that the PC 40 as the rewriting device is used not only for rewriting the already set shipment setting values to the desired shipment setting values, but also for recording the shipment setting values in the shipment setting value recording area 32 for the first time. Needless to say, it can also be used.

The relationship between the shipment setting value recorded in the shipment setting value recording area 32 and the user setting value recorded in the user setting value recording area 31 will be briefly described.
At the time of product shipment, predetermined defaults indicating that various setting values are initial setting values, that is, shipping setting values, are recorded in the user setting value recording area 31 of the EEPROM 30. When the CPU 21 controls the driving of the television 10 during use of the product, the CPU 21 first accesses the user setting value recording area 31 of the EEPROM 30 and reads the data recorded in the area. At this time, if the default has been acquired, the CPU 21 accesses the recording area 32 for shipment setting values. Then, the shipment setting value recorded in the shipment setting value recording area 32 is read, and the brightness, contrast, sound volume, and the like of the screen are adjusted based on a predetermined program with reference to the shipment setting value. .

  On the other hand, when the user changes various settings to desired user setting values by remote control operation or the like, the user setting values are recorded in the user setting value recording area 31 instead of the above defaults. When the CPU 21 accessing the user setting value recording area 31 of the EEPROM 30 obtains data other than the above-described default, that is, the user setting value in the same area, the CPU 21 thereafter sets the shipment setting value recorded in the shipment setting value recording area 32. Referring to the user setting values recorded in the user setting value recording area 31 instead of the values, the screen brightness, contrast, sound volume, and the like are adjusted based on a predetermined program.

Even when the user changes various settings of the television 10 by deciding the user setting value, the recording area of the EEPROM 30 in which the user can change the data is usually limited to the recording area 31 for the user setting value. Can be On the other hand, the factory setting values recorded in the factory setting recording area 32 cannot be changed except in the manufacturing and adjustment stages at the factory.
Here, unlike the case where the user individually changes various settings to desired setting values, initial setting values such as screen brightness and the like are initially set for a predetermined number of units by a business partner such as a mass retailer or destination. A specific value may be required. In such a case, if the configuration of the present application is used, the shipment setting value recorded in the shipment setting value recording area 32 can be easily changed to a desired value, so that the above request can be reliably met.

  As described above, the shipment setting value referred to when the microcomputer 20 controls the driving of the television 10 based on a predetermined program is recorded in the external memory of the microcomputer. As a result, even after the microcomputer 20 is masked, the same factory set value can be easily changed, and the microcomputer 20 can be made a common component. In addition, even if there is a problem discovered during the product check stage before shipment from the factory or if there is a need to change the shipment setting value due to a request from individual suppliers to change the shipment setting value, it is necessary to change the shipment setting value to the required shipment setting value. can do.

FIG. 2 is a block diagram showing a microcomputer and an EEPROM according to the present application. It is explanatory drawing of the change operation of a shipment setting value. FIG. 9 is a block diagram showing a conventional microcomputer and EEPROM.

Explanation of reference numerals

10. Television 20, 60 ... Microcomputer 21, 61 ... CPU
22, 62… ROM
23, 63… RAM
30, 70… EEPROM
31, 71: User setting value recording area 32: Shipping setting value recording area 40: PC
41 ... Connection code

Claims (4)

In a television having a microcomputer storing a predetermined program for controlling driving of the television in a predetermined storage device built therein, and an EEPROM provided outside the microcomputer, the microcomputer controls the television by using the program. In a setting value recording system that records a predetermined setting value referred to at the time of
The microcomputer stores only the predetermined program in the built-in storage device,
The EEPROM stores a user setting value recording area for recording a predetermined user setting value which is the setting value and can be set by a user, and a predetermined shipping setting value which is the setting value and is set before shipment from a factory. A shipping setting value recording area for recording,
A setting value recording system comprising a setting value rewriting device connected to the television and capable of rewriting the shipment setting value recorded in the shipment setting value recording area to a predetermined value. A built-in predetermined storage device includes a microcomputer that stores only a predetermined program for controlling the driving of the television, and a storage device that is provided outside the microcomputer, and includes a predetermined shipment that is set before shipment from a factory. A television comprising a rewritable external storage device having a shipment setting value recording area for recording setting values,
Setting value rewriting means capable of rewriting the shipment setting value recorded in the shipment setting value recording area of the external storage device to a predetermined value;
A setting value recording system comprising: The apparatus according to claim 2, wherein the external storage device has a user setting value recording area for recording a predetermined user setting value that can be set by a user, as an area different from the shipment setting value recording area. The set value recording system described. 4. The setting value recording system according to claim 2, wherein the external storage device is an EEPROM.

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