Microcomputer for remote-controlled transmitter

A technology of microcomputer and transmitter, which is applied in the direction of remote measurement/remote control selection device, instrument, signal transmission system, etc. It can solve the problems of remote control transmitter combination error, cumbersome, difficult inventory management, etc., and achieve simple and accurate inventory management.

Inactive Publication Date: 2006-10-11
SMK CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0015] For this reason, it is extremely difficult to read and confirm the program stored in the PROM after the microcomputer with the PROM is installed on the printed circuit board of the product. , it is also necessary to use a dedicated ROM writer, etc., resulting in cumbersome processing such as connecting to the PROM
[0016] As a result, even if various programs are stored in the PROM of the same structure, remote control transmitters corresponding to a variety of controlled devices can be manufactured in a short time, but the inventory management is difficult, and there is a possibility that the remote control transmitter corresponding to the controlled device The remote control transmitter produces a combination error

Method used

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  • Microcomputer for remote-controlled transmitter
  • Microcomputer for remote-controlled transmitter
  • Microcomputer for remote-controlled transmitter

Examples

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Embodiment Construction

[0040] Below, use figure 1 Referring to FIG. 4, a microcomputer for a remote control transmitter (hereinafter, referred to as a microcomputer) 1 according to the present invention will be described. figure 1 The block diagram of main parts of the remote control transmitter 10 equipped with the microcomputer 1 is shown on the top.

[0041] The operation of the remote control transmitter 10 is controlled by a microcomputer 1, and a keyboard 12 formed of a plurality of keys 11, 11... is connected to the microcomputer 1 as shown in the figure. A plurality of keys 11, 11... are connected to SI / LED of the microcomputer 1, an input / output signal pin of one of KI / 01 to KI / 05, and a certain input signal pin of KI0 to KI3, and these connections are performed The wiring is formed in a matrix, and a certain pressed key 11 is detected in this way. That is, the microcomputer 1 outputs the key scan signals from SI / LED, KI / 01 to KI / 05 at mutually different timings, and when a key scan signa...

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Abstract

PROBLEM TO BE SOLVED: To provide a microcomputer for a remote control transmitter capable of specifying a PROM for storing different programs with a simple operation and facilitating the inventory control. SOLUTION: The PROM (Programmable Read Only Memory) stores an identification code identifiable of a stored program and a test transmission program whereby the remote control transmitter transmits an infrared ray control signal modulated by the identification code, and when it is required to identify the stored program, the test transmission program is started and the remote control transmitter transmits the infrared ray control signal modulated by the identification code. COPYRIGHT: (C)2007,JPO&INPIT

Description

【Technical field】 [0001] The present invention relates to a microcomputer for a remote control transmitter, which contains a ROM (Read Only Memory) that stores an application program that controls the operation of the remote control transmitter. More specifically, it relates to using the built-in ROM as a field programmable Microcomputer for remote control transmitter with programmable ROM (Programmable Read Only Memory). 【Background technique】 [0002] In the remote control transmitter that transmits infrared control signals to remotely control the control equipment, a microcomputer that controls the operation of the entire system is installed. Generally, this microcomputer is a ROM that stores a CPU (Central Processing Unit: Central Processing Unit) and an application program. , RAM (Random Access Memory) for calculation processing, a control signal generating circuit for generating an infrared control signal, a timer, etc. are placed in one chip. [0003] Here, the ROM b...

Claims

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Application Information

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IPC IPC(8): G08C19/28G08C23/04H04Q9/00
Inventor 冈村量佐藤文男
Owner SMK CO LTD
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