JPH0537983A - Learning remote controller - Google Patents

Abstract

PURPOSE:To simplify the constitution of a device by constituting data only of stored data whose bit length is sharply shortened up to 13 bits. CONSTITUTION:In a measuring operation flow 1, carrier frequency and bit time are measured simultaneously with the reception of a remote control(RC) waveform. In RC code coding 2, the bit time data measured by the flow 1 are converted into a code. Format decision 3 determines the format of the received RC waveform by means of the code converted by the RC code coding 2. Data storage 4 converts bit data into the data of each bit in accordance with the format determined by the decision 3 and determines data to be stored.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a learning remote controller (hereinafter abbreviated as a remote controller), and particularly to a learning remote controller having a function of receiving an arbitrary remote control code, storing the remote control code, and reproducing the received remote control code. Regarding

[0002]

2. Description of the Related Art In a conventional learning remote controller, after receiving an arbitrary remote controller code, the received data is classified into a string of bits, a time width between bits, a carrier frequency, and repetitive data, and all of them are stored.

[0003]

In the conventional learning remote controller, when an arbitrary remote controller code is received and then stored, it is classified and stored into a bit string of received data, a time width between bits, a carrier frequency, and repetitive data.

In this case, since the time data between bits is stored as it is when the time width between each bit is stored, there is a drawback that a large amount of memory is required to learn one remote control code. ..

It is an object of the present invention to provide a learning remote controller which solves the above-mentioned drawbacks and requires a small memory.

[0006]

Means for Solving the Problems The structure of the present invention includes a means for receiving a remote control code of an arbitrary remote control transmitter among a plurality of different remote control transmitters, a code received by said means, and a code again. In the learning remote controller having a means for reproducing the data, a means for compressing data by encoding the remote control code after receiving the remote control code and performing a format determination after the encoding is provided. ..

[0007]

1 is a flow chart showing the operation of a learning remote controller according to an embodiment of the present invention, and FIG. 2 is a remote control waveform diagram supplementing the operation of FIG.

1 and 2, the learning remote controller of the present embodiment operates in the following order.

In measurement operation flow 1, an arbitrary remote control code is received 11 and carrier frequency and bit time are measured 12 and 13. This carrier frequency is, as shown in FIG. 4, several tens at the time of high level transmission of the remote controller.
A pulse is transmitted in units of kHz (carrier wave pulse output unit 1011). This pulse is counted several times, the counting time is left, and the carrier frequency is obtained based on that time.

As for the bit time, in the case of the bit arrangement as shown in FIG. 3, the time of High level 51, the time of Low level 52, the time of High level 53, etc. are measured, and the measured time is stored each time. ..

Here, FIG. 3 is an enlarged waveform diagram of the data code portion of FIG.

In FIG. 3, a first bit High level section 51, a first bit Low level section 52, a second bit
High level portion 53 of the bit, Lo of the second bit
w level section 54, third level High level section 5
5, third level Low level section 56, fourth bit High level section 57, fourth bit Low level section 58, fifth bit High level section 59, fifth bit Low level section 60 is shown.

The bit time stored in the remote control waveform of FIG. 2 is 2 for the reader code pulse 81, 10 for the data code pulse 82, 1 for the stop code pulse 83, and 1 for the frame space 84 of the data code portion.
18 bit times are stored in total, that is, two in the reader code pulse 85 at the time of repeat, one in the repeat code pulse 86, and one in the frame space 87 at the time of repeat.

In FIG. 2, the reader code pulse 81,
Data code pulse 82, stop code pulse 83,
Frame space 84 of data code part, reader code pulse 85 at repeat, repeat code pulse 86,
A frame space 87 at the time of repeat is shown.

In remote control code encoding 2 of FIG. 1, all remote control codes are encoded based on the values measured at the time of receiving the measurement operation flow 1. When encoding, reference data is required. The data needs to be stored in memory in advance. In the description, an example is shown in FIG. 5, and the description will be made based on the data in FIG.

FIG. 4 is a waveform diagram in which the first bit of FIG. 3 is further enlarged. The carrier pulse output section 101 at the time of outputting the high level of the first bit and the L of the first bit.
The ow level output unit 102 is shown.

In FIG. 5, the first set is an example of data setting of code code 1, the data of the reader code pulse portion of the remote control waveform example, and the second set is an example of data setting of code code 2, the remote control waveform. The first bit of data in the example,
The third set is an example of data setting of code code 3, the second bit data of the remote control waveform example, and the fourth set is code code 4
Is a data setting example of the remote control waveform, data of the frame space part of the data code part, and the fifth set is a data setting example of the code code 5, the reader code pulse part at the time of repeat of the remote control waveform example. The sixth set is a data setting example of the code code 6, which is the repeat code pulse of the remote control waveform example and the data of the frame space portion at the time of repeat.

The reference data of FIG. 5 is one set of two data, and in the example, there are six sets of data. Of the two data in the first set, one is the reference value of the high level time of the remote control waveform, and the other is the low level of the remote control waveform.
The standard value of the level time is shown. These reference values and measured values are compared, and if the same combination exists, the combination is converted into a predetermined code. An example of encoding the remote control waveform example of FIG. 2 based on the data of FIG. 5 is shown in FIG. In addition, the reader code pulse 85 at the time of repeat in FIG.
If the waveform of the repeat code pulse 86 and the frame space 87 at the time of repeat is the following repetitive waveform,
The encoded data is "91, 92, 93, 92, 93, 9
3,94,95,96 ... ".

In FIG. 6, a portion 91 corresponding to code code 1 of the remote control waveform example, a portion 92 corresponding to code code 2 of the remote control waveform example, a portion 93 corresponding to code code 3 of the remote control waveform example, and a remote control waveform example. Code of 4
, A portion 95 corresponding to the code code 5 of the remote control waveform example, and a portion 96 corresponding to the code code 6 of the remote control waveform example are shown.

In the format determination 3, the transmission format of the received remote control waveform is determined based on the data encoded by the remote control code encoding 2 and the measured carrier frequency.

When determining the format, the carrier frequency is first checked. At this time, the value of the reference carrier frequency is stored in advance in the memory in the form as shown in FIG. 5, as in the case where the remote control waveform is encoded by the remote control code encoding 2. If the carrier frequency values are the same, then check the transmission format. In this case, the encoded data is checked. If all the encoded data are the same as the checked transmission format, then the transmission time of one code is checked based on the encoded data.

The one code referred to in the example of FIG. 2 is a reader code pulse 81, a data code pulse 82, a stop code pulse 83, and a frame space 84 of the data code portion.
Combination, leader code pulse 85 and repeat code 86 during repeat, frame space 8 during repeat
There are 7 combinations. Here, each time is obtained from encoded data.

The first combination of FIG. 2 is "91, 92, 93, 92, 93, 9" in the encoded data of FIG.
3,94 ", and the next combination is" 95,96 ". Therefore, it is possible to find the time of one code using the data of FIG. 5 by adding all the data corresponding to the code. Therefore, "91, 92, 93, 92, 9
The time for one code of "3,93,94" is 80H,
The time for one code of "95, 96" is 50H, and it is checked whether each value is the same as the time for one code of the checked format.

The above check, carrier frequency, transmission format, and format in which all the time of one code has passed become the transmission format of the received remote control waveform.

In the data storage 4, bit determination is performed based on the encoded data according to the determined format, and the final data is stored in the memory. In the format of FIG. 2, the coded data is “81”, “84”, “85”,
Since "86" is data that has already been determined by the format, it is deleted. The remaining "92, 93, 92, 9
3, 93 ”is bit data. Code data “92”
If the data is 0 and the data “93” is 1, it can be determined that the bit data is “01011”.

When the bit data is decided, the data to be stored in the memory and the final data are decided. The final data is format information and bit data. The format information is data indicating what the determined format is. If the format information is 8 bits, the bit data is 5 bits, so the total number of bits is 13 bits.

When transmitting the learned code, the final data stored in the memory is read out, the format information is first determined, the carrier frequency is determined based on the format information, and the data and bit data shown in FIG. Play the remote control waveform of.

[0028]

As described above, according to the present invention,
The bit string of received data, the time width between each bit, the carrier frequency, the repeated data and a large amount of data were stored as one remote control code data. However, by encoding the remote control code and determining the format, the final There is an effect that the data stored in can be only the bit data of the format information.

When the remote control waveform of FIG. 2 is learned using the conventional method, the carrier frequency is 8 bits, High.
The measured value of 16 bits, the measured value of Low is 16 bits,
16 bits are required as repetitive data, and a total of 312 bits are required. However, according to the present invention, it is necessary to store only 13 bits of format information of 8 bits and bit data of 5 bits.

[Brief description of drawings]

FIG. 1 is a flowchart showing an operation of a learning remote controller according to an exemplary embodiment of the present invention.

FIG. 2 is a remote control waveform diagram used in the operation of FIG.

3 is a waveform diagram in the bit time measurement of FIG.

FIG. 4 is a waveform diagram in the carrier wave measurement of FIG.

FIG. 5 is a diagram showing an example of data setting used for remote control code encoding in FIG. 1.

6 is a waveform diagram showing a code setting example after the remote control code encoding of FIG. 1 is performed.

[Explanation of symbols]

1 Receive any remote control code,
Operation flow for measuring bit time 2 Encoding of received remote control code 3 Format determination part of remote control code based on encoded remote control code 4 Stored remote control code encoded based on the determined format in memory 51 , 53, 55, 57, 59 High level part 52, 54, 56, 58, 60 Low level part 81 to 86 pulse 87 Frame space 101 Carrier wave pulse output part 102 Low level output part 91 to 96 Corresponding part

Claims (1)

Claim: What is claimed is: 1. A means for receiving a remote control code of an arbitrary remote control transmitter among a plurality of different remote control transmitters, and a means for storing the code received by the means and reproducing the code again. A learning remote controller comprising: a learning remote controller including means for data compression by encoding a remote control code after receiving the remote control code and performing a format determination after the encoding. ..