JP2015062578A - Game machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To perform acoustic inspection of a speaker efficiently.SOLUTION: When an instruction to perform acoustic inspection is given, a first data signal is included in a band of a first acoustic signal (first sound range), and the sound is output from a speaker 16a. A second data signal is included in a band of a second acoustic signal (second sound range), and the sound is output from a speaker 16b. Thereby, when an acoustic signal is input through a microphone, an inspection device can determine whether or not the speaker 16a is normal depending on whether or not the first data signal can be extracted from the input acoustic signal, and can determine whether or not the speaker 16b is normal depending on whether or not the second data signal can be extracted from the input acoustic signal.

Description

  The present invention relates to a gaming machine such as a pachinko machine, an arrangement ball, a slot machine, and a fusion machine of a pachinko machine and a slot machine.

  Conventionally, what inspects the quality of a speaker included in a gaming machine is known. For example, Patent Document 1 registers sound waveform data of a basic pattern of sound output from a speaker and recorded by a microphone before inspection, and records sound output from the speaker of the gaming machine during inspection to the microphone. And what is determining the quality of the sound output from a speaker by comparing the sound waveform data of the recorded sound with the sound waveform data of the registered basic pattern is disclosed.

JP 2008-43560 A

  However, in the gaming machine described above, it is necessary to actually record the sound output from the speaker of the operating gaming machine and analyze the sound waveform data of the recorded sound. is necessary. In addition, since the recorded sound is directly used for inspection, resistance to noise is weak, and sufficient inspection accuracy may not be ensured.

  The main purpose of the gaming machine of the present invention is to efficiently perform acoustic inspection of speakers.

  The gaming machine of the present invention adopts the following means in order to achieve the above-mentioned main object.

The first gaming machine of the present invention is
A gaming machine comprising a first speaker and a second speaker capable of outputting sound,
While outputting sound including the first data signal from the first speaker, and outputting sound including the second data signal from the second speaker,
The gist is that the sound inspection of the speaker can be performed in the sound inspection process of the gaming machine.

  In the first gaming machine of the present invention, in the inspection process for performing the acoustic inspection of the speaker, the sound including the first data signal is output from the first speaker and the sound including the second data signal is output from the second speaker. To do. Therefore, it is possible to check whether or not the sound from the first speaker is normally output by inputting the sound output from the gaming machine and extracting the first data signal from the input sound. It is possible to inspect whether or not sound is normally output from the second speaker by extracting the second data signal from the sound. That is, it is possible to efficiently perform the acoustic inspection of the first and second speakers. The sound of the first sound range including the first data signal (the sound including the first data signal) and the sound of the second sound range including the second data signal (the sound including the second data signal) are normally used. It may be a sound for playing a game (in this case, it will be used for both inspection and production) or a sound for sound inspection. In addition, when these sounds satisfy predetermined conditions such as when the power is turned on, when a game ball is input to a specific entrance, or when an effect button (predetermined input means) is operated. May be set to be output. Thereby, a test | inspection can be performed efficiently. In addition, these sounds may be output continuously by satisfying a predetermined condition, may be output sequentially each time the condition is satisfied, or different conditions are set for each sound including different data signals. Also good.

In the first gaming machine of the present invention,
Sound input means capable of inputting the sound;
Signal extracting means for extracting a data signal from the input sound;
Correctness determination means for determining whether or not the speaker is normal based on the extraction result by the signal extraction means;
An acoustic inspection of the first speaker and the second speaker may be performed using an inspection apparatus including:

  In this way, the sound test of the speaker can be performed based on the extraction result of the data signal. Therefore, the sound can be efficiently and easily processed by simple processing compared to the case where the sound is actually recorded and the sound test is performed by waveform analysis. Inspection can be performed. The “acoustic input means” may be exemplified by a microphone (also referred to as “microphone”) to be described later, but is not limited thereto. It is sufficient to have a function that can receive sound and input to the inspection device.

In the first gaming machine of the present invention,
The first data signal is included in the sound of the first sound range using the band in the first sound range and output, and the second data signal is output in the second sound range using the band in the second sound range. It can also be output in the sound.

In this case, if the first data signal can be transmitted, it means that the sound of the first sound range has been normally output, and if the second data signal can be transmitted, it means that the sound of the second sound range has been normally output. Therefore, it is possible to check whether or not the sound range of the output sound is normal based on the data signal output included in the sound.
Here, “including the first data signal in the sound of the first sound range using the band in the first sound range” means that the entire frequency spectrum of the first data signal is included in the band in the first sound range. It may be included, or a part of the frequency spectrum of the first data signal may be included in a band within the first sound range and the rest may be included in a band other than the first sound range and the second sound range.
The phrase “include the second data signal in the sound of the second sound range using the band in the second sound range” includes all the frequency spectrum of the second data signal in the band in the second sound range. Alternatively, a part of the frequency spectrum of the second data signal may be included in a band within the second sound range and the rest may be included in a band other than the first sound range and the second sound range.

In the first gaming machine of the present invention,
The first data signal is included in the sound of the first sound range using the band outside the first sound range, and the second data signal is output using the band outside the second sound range. It can also be output in the sound.

  In this way, even if the data signal is included in the sound, deterioration of sound quality can be suppressed and strong resistance to noise can be provided.

The second gaming machine of the present invention is
A gaming machine comprising a first speaker and a second speaker capable of outputting sound,
The sound including the first data signal can be output from the first speaker, and the sound including the second data signal can be output from the second speaker.

  In the second gaming machine of the present invention, sound including the first data signal can be output from the first speaker, and sound including the second data signal can be output from the second speaker. Thereby, various information can be output together with sound. For example, when a plurality of gaming machines are installed, it can be used as a communication means when information is transmitted from one gaming machine to another gaming machine. Further, it can be used as a communication means when transmitting information to the information equipment possessed by the player.

  According to the gaming machine of the present invention, the sound inspection of the speaker can be efficiently performed.

It is a block diagram which shows the outline of a structure of an acoustic test | inspection system provided with the game machine 10 and the test | inspection apparatus 50 as one Example of this invention. 2 is a block diagram showing a control block of the gaming machine 10. FIG. It is a block diagram which shows the functional block by the side of the game machine 10 in an acoustic test process. It is explanatory drawing explaining an example of the synthetic | combination signal which synthesize | combined the acoustic signal and the data signal. It is a block diagram which shows the functional block by the side of the test | inspection apparatus 50 in an acoustic test process. 7 is a flowchart illustrating an example of speaker pass / fail determination processing executed by a determination unit 65 of the inspection device 50. It is a block diagram which shows the functional block by the side of the game machine 10 of 2nd Example. It is a flowchart which shows an example of the speaker quality determination process of 2nd Example. It is a block diagram which shows the functional block by the side of the game machine 10 of a modification. It is explanatory drawing explaining the synthesized signal which synthesize | combined the acoustic signal and data signal of the modification. It is a block diagram which shows the functional block by the side of the test | inspection apparatus 50 of a modification.

  Next, embodiments of the present invention will be described using examples. In the following, an example in which the acoustic inspection system of the present invention is applied to a pachinko machine that advances a game by firing a game ball into the game area will be described.

[First embodiment]
FIG. 1 is a configuration diagram showing an outline of the configuration of an acoustic inspection system including a gaming machine 10 and an inspection device 50 as one embodiment of the present invention, and FIG. 2 shows an outline of the configuration of a control circuit of the gaming machine 10. It is a block diagram.

[Configuration of acoustic system]
As shown in FIG. 1, the acoustic inspection system of the first embodiment inputs a sound output from the gaming machine 10 including the speakers 16 a and 16 b and the speakers 16 a and 16 b of the gaming machine 10 to the speakers 16 a and 16 b. It is comprised with the test | inspection apparatus 50 which test | inspects a quality. In this acoustic inspection system, the gaming machine 10 outputs sound from the speakers 16a and 16b in a state in which the data signal is embedded in the acoustic signal using an acoustic data communication technique described later. When sound is output from the speakers 16a and 16b, the inspection apparatus 50 inputs sound through the microphone 54 and outputs sound normally from the speakers 16a and 16b depending on whether or not a data signal can be extracted from the input sound. Check whether it has been done.

[Composition of gaming machine]
As shown in FIG. 1, the gaming machine 10 includes a gaming board 12 in which the board surface is disposed so as to be visible through a glass plate (transparent plate) fitted in the front frame 11, an upper tray 13 for storing gaming balls, and A lower receiving tray 14 and a firing handle 15 for launching the game balls stored in the upper receiving tray 13 to the game board 12, and the player rotates the launch handle 15 to move the game balls to the game board 12. It is configured as a pachinko machine that advances the game by launching into the formed game area. Speakers 16a and 16b are provided on the upper left and upper right portions of the front frame 11 for sounding various sound effects as the game progresses and for notifying the player of the game state.

  As shown in FIG. 2, the control circuit of the gaming machine 10 includes a main control board 20 that controls the basic progress of the game, and a sub-control that controls the overall control of various effects performed as the game progresses. The board 30 and other control boards (such as a launch control board that controls the play of game balls and a payout control board that controls the payout of prize balls and rental balls). These control boards include various CPUs such as a CPU that executes various logical operations and calculation operations, a ROM that stores various programs and data executed by the CPU, and a RAM that temporarily stores data when the programs are executed. Peripheral LSIs are connected to each other by a bus.

  The sub control board 30 receives various command signals from the main control board 20 and produces a game according to the commands. The sub-control board 30 is connected to an inspection switch 47 for instructing an acoustic inspection, an amplifier board 48 for driving various speakers 16a and 16b, and the like.

  In the gaming machine 10 configured in this manner, the determination of success / failure is performed based on the entry of a game ball into a start port (not shown), and the special symbol (identification information) is started to be displayed in a variable manner. The special symbol is stopped and displayed as a big hit symbol, and if the result of the determination is wrong, the special symbol is removed and stopped as a symbol. Then, when the special symbol is stopped and displayed with the big hit symbol, a big winning game (a variable ball entrance that can change between a state where the game ball cannot enter and a state where the game ball can enter) is opened (not shown) Execute a specific game. The main control board 20 sub-commands control commands when a game ball enters the start port, when a special symbol variation display is started, when a special symbol variation display is stopped, or when a big hit game is started. When the sub-control board 30 receives the control command, the sub-control board 30 executes the effect by outputting the effect command to the amplifier board 48 in accordance with the received control command.

  In the gaming machine 10, when the operation signal from the inspection switch 47 is input to the sub-control board 30, the sub-control board 30 embeds the data signal in the acoustic signal using the acoustic data communication technology and outputs it to the amplifier board 48. By doing so, the sound test which outputs the sound for a test | inspection from the speakers 16a and 16b is performed. FIG. 3 shows a functional block on the gaming machine 10 side in the case where a low-frequency (first sound range) sound and a high-frequency (second sound range) sound are simultaneously output from the speaker 16a to perform an acoustic test of the speaker 16a. It is a block diagram. As shown in FIG. 3, as a functional block of the sub-control board 30 when performing an acoustic test, a low-pass filter (LPF) 31 that processes a first acoustic signal that is a low-frequency (first acoustic range) acoustic signal, a high-pass Filter (HPF) 32 and adder 33, carrier signal generator 34 and modulator 35 for processing the first data signal, which is a data signal embedded in the first acoustic signal, and the processed first acoustic signal and first data An adder 36 that adds a signal (first modulated signal) to obtain a first synthesized signal, a low-pass filter (LPF) 37 that processes a second acoustic signal that is a high-frequency (second acoustic range) acoustic signal, and a high-pass filter (HPF) 38 and adder 39, carrier signal generator 40 and modulator 41 for processing the second data signal, which is a data signal embedded in the second acoustic signal, and the processed first An adder 42 that adds the acoustic signal and the second data signal (second modulated signal) to obtain a second synthesized signal, and adds the first synthesized signal and the second synthesized signal to output to the amplifier board 48 as an acoustic signal. And an adding unit 43. Here, the first data signal and the second data signal are identification information for identifying the sound range of the corresponding acoustic signal among the first acoustic signal and the second acoustic signal. The functional blocks described above may be realized by software, or part or all of them may be realized by dedicated hardware.

  The LPF 31 cuts a higher frequency than the predetermined frequency FL1 in the frequency band (first sound range) of the first acoustic signal, and the HPF 32 is higher than the predetermined frequency FH1 in the frequency band (first sound range) of the first acoustic signal. It is configured to cut low frequencies. The cut-off frequency FL1 of the LPF 31 is set to a frequency lower than the cut-off frequency FH1 of the HPF 32. Therefore, the signal obtained by adding the acoustic signal that has passed through the LPF 31 and the acoustic signal that has passed through the HPF 32 by the adding unit 33 is a signal obtained by removing the frequency bands FL1 to FH1 from the frequency band of the first acoustic signal. . The bandwidth of the frequencies FL1 to FH1 is a bandwidth to which a first data signal (first modulated signal) to be described later is allocated. In the present embodiment, the processing for excluding the bands of the frequencies FL1 to FH1 in the frequency band of the first acoustic signal is configured by the LPF 31, the HPF 32, and the adding unit 33, but a plurality of bands with a single filter. It is also possible to use a multi-band simultaneous pass filter that can simultaneously pass (a band of frequency FL1 or lower and a band of frequency FH1 or higher).

  The modulation unit 35 spreads the frequency spectrum of the first data signal using a known spreading code, and modulates the carrier signal generated by the carrier signal generation unit 34 using the spread first data signal (for example, amplitude modulation). ) To generate the first modulated signal. Thereby, since the first modulated signal is distributed in a relatively wide frequency band, the frequency spectrum has a strong resistance to noise. In the present embodiment, the carrier signal and the spread code are selected so that the frequency spectrum is distributed in the bands of the frequencies FL1 to FH1 described above.

  The adder 36 adds the first acoustic signal from which the bands of the frequencies FL1 to FH1 are cut and the first modulated signal distributed in the bands of the frequencies FL1 to FH1 to generate a first synthesized signal. FIG. 4 shows an example of the frequency spectrum of the first synthesized signal. FIG. 4 also shows the frequency spectrum of the second synthesized signal described later.

  The LPF 37 cuts a higher frequency than the predetermined frequency FL2 in the frequency band (second sound range) of the second acoustic signal, and the HPF 38 is higher than the predetermined frequency FH2 in the frequency band (second sound range) of the second acoustic signal. It is configured to cut low frequencies. The cut-off frequency FL2 of the LPF 37 is set to a frequency lower than the cut-off frequency FH2 of the HPF 38. Therefore, the signal obtained by adding the acoustic signal that has passed through the LPF 37 and the acoustic signal that has passed through the HPF 38 by the adder 39 is a signal obtained by removing the frequency bands FL2 to FH2 from the frequency band of the second acoustic signal. . The bandwidth of the frequencies FL2 to FH2 is a bandwidth to which a second data signal (second modulated signal) to be described later is allocated. In the present embodiment, the processing for excluding the bands of the frequencies FL2 to FH2 in the frequency band of the second acoustic signal is configured by the LPF 37, the HPF 38, and the adding unit 39, but a plurality of bands with a single filter. It is also possible to use a multi-band simultaneous pass filter that can simultaneously pass (a band of frequency FL2 or lower and a band of frequency FH2 or higher).

  The modulation unit 41 spreads the frequency spectrum of the second data signal using a spreading code, and modulates the carrier signal generated by the carrier signal generation unit 40 using the spread second data signal to perform the second modulation. Generate a signal. As a result, the second modulated signal is distributed over a relatively wide frequency band, and thus has a strong resistance to noise. In the present embodiment, the carrier signal and the spread code are selected so that the frequency spectrum is distributed in the bands of the above-described frequencies FL2 to FH2.

  The adder 42 adds the second acoustic signal in which the frequency band FL2 to FH2 is cut and the second modulation signal distributed in the frequency FL2 to FH2 band to generate the second synthesized signal shown in FIG. .

  The amplifier board 48 is configured by a D / A converter circuit, an amplifier, and the like, and converts the digital acoustic signal output from the adder 43 into an analog signal, amplifies it, and supplies it to the speaker 16a. Output sound.

[Configuration of inspection equipment]
The inspection device 50 is configured as a general-purpose computer, and inputs the sound output from the speaker 16a of the gaming machine 10 to inspect the quality of the speaker 16a. The inspection apparatus 50 includes a controller 51 that controls the whole, a display unit 52 for displaying inspection results, an operation unit 53 such as a keyboard and a mouse, a microphone 54 for sound collection, and the like as hardware configurations. Yes.

  The controller 51 is configured as a microprocessor centered on the CPU 51a. In addition to the CPU 51a, a ROM 51b that stores fixed data, a RAM 51c that temporarily stores data, an HDD 51d that stores a processing program (inspection program), and the like. Prepare. An operation signal from the operation unit 53, an acoustic signal from the microphone 54, and the like are input to the controller 51 via an input port (not shown), and a display signal or the like to the display unit 52 is output from the controller 51 (not shown). It is output through the port.

  The microphone 54 is installed in front of the gaming machine 10 and inputs sound output from the speakers 16 a and 16 b of the gaming machine 10. Note that an amplifier and an A / D converter circuit are connected to the input system of the microphone 54, and an acoustic signal input through the microphone 54 is amplified by the amplifier and converted into a digital signal by the A / D converter circuit. Is done.

  FIG. 5 shows a functional block on the inspection apparatus 50 side in the case where a low-frequency (first sound range) sound and a high-frequency (second sound range) sound are simultaneously output from the speaker 16a to perform the sound inspection of the speaker 16a. It is a block diagram. As a functional block of the inspection device 50, as shown in FIG. 5, a band that allows the first modulated signal to pass by cutting bands other than the frequencies FL1 to FH1 in the band of the acoustic signal input via the microphone 54. A path filter (BPF) 61, a demodulator 62 that despreads and demodulates the first modulated signal that has passed through the BPF 61 using a copy of the spreading code used for spreading in the modulator 35, and a microphone 54 are input. The band other than the frequencies FL2 to FH2 is cut out of the band of the acoustic signal, and the band-pass filter (BPF) 63 that passes the second modulated signal and the second modulated signal that has passed the BPF 63 are spread by the modulation unit 41 Demodulator 64 that despreads and demodulates using a replica of the spread code used, and the processing results of demodulator 62 and demodulator 64 are input and speaker 16a It is constituted by determining the acceptability and determination unit 65 outputs the determination result to the display unit 52. The functional blocks described above may be realized by software, or part or all of them may be realized by dedicated hardware.

  FIG. 6 is a flowchart illustrating an example of the speaker pass / fail determination process executed by the determination unit 65. In the speaker pass / fail determination process, it is determined whether or not there is any data loss based on the demodulation results of the demodulation units 62 and 64 (S100). This process is performed by comparing the demodulation result of the demodulator 62 with the first data signal stored in advance in the ROM 51c and comparing the demodulation result of the demodulator 64 with the second data signal stored in advance in the ROM 51c. be able to. If it is determined that there is no data loss, the speaker 16a is determined to be normal (S110), and the speaker pass / fail determination process is terminated. On the other hand, if it is determined that there is data loss, it is determined whether the first data signal is missing (S120) and whether the second data signal is missing (S140). If it is determined that it is missing, it is determined that the low sound range (first sound range) is bad (S130), and if it is determined that the second data signal is missing, it is determined that the high sound range (second sound range) is bad. (S150), the speaker pass / fail determination process is terminated.

  In the above-described embodiment, the acoustic inspection of the speaker 16a has been described. However, since the acoustic inspection of the speaker 16b can be performed according to the same process, the description thereof is omitted.

  According to the gaming machine 10 of the first embodiment described above, when an acoustic test is instructed, the first data signal is included in the first acoustic signal band (first sound range) and the second acoustic signal band ( Since the sound including the second data signal in the second sound range) is simultaneously output from the speaker 16a, the inspection device 50 can extract the first data signal from the input sound signal when the sound signal is input via the microphone 54. Whether or not the sound of the first sound range (low range) has been normally output from the speaker 16a, and whether or not the second data signal can be extracted from the input sound signal can be determined from the speaker 16a. It can be determined whether or not the sound of the second sound range (high range) has been normally output. As a result, the acoustic inspection of the speaker can be performed efficiently. In addition, the first data signal and the second data signal need only be able to identify the corresponding acoustic signal, so that a minimum amount of data is sufficient, and data transmission can be performed in a relatively short time (about 1 second). As a result, the inspection time can be further shortened as compared with the case where the sound output from the speaker is recorded by the microphone and the waveform is compared with the reference waveform registered in advance.

[Second Embodiment]
Next, the gaming machine 10 of the second embodiment will be described. In the second embodiment, a sound test of the speaker 16a and a sound test of the speaker 16b are performed by outputting a low frequency (first sound range) sound from the speaker 16a and outputting a high frequency (second sound range) sound from the speaker 16b. Are performed simultaneously. FIG. 7 is a block diagram showing functional blocks on the gaming machine 10 side of the second embodiment. 7, the same components as those in FIG. 3 are denoted by the same reference numerals, and the description thereof is omitted because it is redundant. As shown in FIG. 7, in the second embodiment, based on the point that the adder 43 is not provided and the first synthesized signal (the signal in which the first data signal is embedded in the first acoustic signal) generated by the adder 36. The amplifier board 48 drives the speaker 16b based on the point that the amplifier board 48 drives the speaker 16a and the second synthesized signal (the signal in which the second data signal is embedded in the second acoustic signal) generated by the adder 42. This is different from the first embodiment. Since the functional blocks on the inspection apparatus 50 side of the second embodiment are the same as those in the first embodiment (functional blocks in FIG. 5), the illustration thereof is omitted.

  FIG. 8 is a flowchart showing speaker quality determination processing executed by the determination unit 65 of the second embodiment. In the speaker pass / fail determination process of FIG. 8, it is determined whether or not there is data loss based on the demodulation results of the demodulation units 62 and 64, as in S100 of the speaker pass / fail determination process of FIG. 6 (S200). If it is determined that there is no data loss, it is determined that both the speaker 16a and the speaker 16b are normal (S210), and the speaker pass / fail determination process ends. On the other hand, if it is determined that there is data loss, it is determined whether the first data signal is missing (S220) and whether the second data signal is missing (S240). If it is determined that the speaker 16a is defective, the speaker 16a is determined to be defective (S230). If the second data signal is determined to be defective, the speaker 16b is determined to be defective (S250), and the speaker pass / fail determination process is terminated. To do.

  According to the gaming machine 10 of the second embodiment described above, when the sound test is instructed, the sound is output from the speaker 16a including the first data signal within the band (first sound range) of the first sound signal. In addition, since the sound is output from the speaker 16b including the second data signal within the band (second sound range) of the second acoustic signal, when the inspection device 50 inputs the acoustic signal via the microphone 54, the second acoustic signal is input from the input acoustic signal. Whether or not the speaker 16a is normal can be determined based on whether or not one data signal can be extracted, and whether or not the speaker 16b is normal based on whether or not the second data signal can be extracted from the input acoustic signal. Can be determined. As a result, the sound inspection of the speaker can be efficiently performed as in the first embodiment. Also, by assigning modulation signals (data signals) of different frequency bands to the acoustic signals output from the speakers for each gaming machine, the data signal of which frequency band is extracted from the output acoustic signals. Depending on whether or not it is possible, it is possible to simultaneously perform acoustic testing on a plurality of gaming machines.

  In the second embodiment, the data signal is embedded in the sound signal band and the sound is output from the speaker. However, the present invention is not limited to this, and the sound signal band extends between and outside the sound signal band. The sound signal may be output from the speaker by embedding the data signal, or the sound may be output from the speaker by embedding the data signal outside the band of the sound signal. In the latter case, it is impossible to determine whether the sound output from the speaker is good or bad for each sound range, but it is possible to determine a failure such as a failure of the speaker or disconnection of the wiring. FIG. 9 is a block diagram showing functional blocks on the gaming machine 10 side according to a modified example in the latter case. As shown in the figure, the functional block of the modified example includes a carrier signal generation unit 134 that generates a carrier signal, and a carrier signal generated by the carrier signal generation unit 134 after spreading the frequency spectrum of the first data signal. A modulation unit 135 that generates a first modulation signal by modulating the first data signal, an addition unit 136 that adds the first acoustic signal and the first modulation signal and outputs the result to the amplifier board 48, and a carrier A carrier signal generator 140 that generates a signal, and a second spectrum by spreading the frequency spectrum of the second data signal and modulating the carrier signal generated by the carrier signal generator 140 using the second data signal after spreading. A modulation unit 141 that generates a modulation signal, and an addition unit 142 that adds the second acoustic signal and the second modulation signal and outputs the result to the amplifier board 48. Equipped with a. Here, the carrier signal generated by the carrier signal generation unit 134 and the spreading code used by the modulation unit 135 are such that the frequency spectrum of the first modulation signal is different from that of the first acoustic signal and the second acoustic signal. And the frequency range is selected so that the speakers 16a and 16b and the microphone 54 can be operated. In addition, the carrier signal generated by the carrier signal generation unit 140 and the spreading code used by the modulation unit 141 are such that the frequency spectrum of the second modulation signal is different from that of the first acoustic signal, the second acoustic signal, and the first modulation signal. The frequency ranges are selected so that they are distributed in different frequency bands and are within the frequency band range in which the speakers 16a and 16b and the microphone 54 can operate. FIG. 10 shows an example of frequency spectra of the first and second acoustic signals and the first and second data signals (first and second modulation signals). As shown in the figure, the lower limit of the frequency band of the first modulated signal is near the upper limit of the frequency band of the second acoustic signal, and the lower limit of the frequency band of the first modulated signal is near the upper limit of the first modulated signal. The distribution was as follows. According to the gaming machine of such a modification, the first data signal can be transmitted from the speaker 16a and the second data signal can be transmitted from the speaker 16b while suppressing deterioration in sound quality. In addition, if the first modulation signal and the second modulation signal are distributed in a frequency band that is difficult for humans to hear, the generation of noise sounds associated with data transmission can be suppressed, and other work by humans is hindered. Can be prevented.

  FIG. 11 is a block diagram illustrating functional blocks on the inspection apparatus 50 side according to a modification. As a functional block on the inspection apparatus 50 side of the modification, as shown in FIG. 11, the upper limit of the frequency band of the second acoustic signal and the frequency of the second modulation signal among the bands of the acoustic signal input through the microphone 54 are used. A band pass filter (BPF) 161 that passes the first demodulated signal by passing between the lower limit of the band, a demodulator 62 that despreads and demodulates the first modulated signal that passed through the BPF 161, and a microphone 54 A high-pass filter (HPF) 163 that passes the second modulation signal by cutting below the upper limit of the frequency band of the first modulation signal in the band of the acoustic signal input via the first modulation signal, and the second modulation signal that has passed through the HPF 163 A demodulator 64 that despreads and demodulates, inputs the processing results of the demodulator 62 and demodulator 64, determines the quality of the speakers 16a and 16b, and displays the determination result as a display unit It is constituted by a determination unit 65 for outputting two. The process of the determination part 65 should just be performed by performing the speaker quality determination process of FIG. 8 mentioned above.

  In the first embodiment and the second embodiment, the sound of two different sound ranges output simultaneously from the speaker is inspected, but the present invention is not limited to this, and the sound of three or more different sound ranges is not limited thereto. It is good also as what inspects what was simultaneously output from the speaker.

  In the first embodiment and the second embodiment, the gaming machine of the present invention is applied to a pachinko machine. However, the present invention is not limited to this, and an arrangement ball, a slot machine, and a fusion of a slot machine and a pachinko machine. As long as it is a gaming machine equipped with a speaker, such as a machine, it may be applied to any type of gaming machine.

  In the first embodiment and the second embodiment, the gaming machine of the present invention that includes a data signal in an acoustic signal and outputs it from a speaker is applied to the acoustic inspection. However, the present invention is not limited to this. It may be used for transmission of other information. For example, when a plurality of gaming machines are installed, it may be applied to a communication means for transmitting information from one gaming machine to another gaming machine, or an information device possessed by a player It is good also as what is applied to the communication means which transmits information with respect to.

  The correspondence between the main elements of the embodiment and the main elements of the invention described in the column of means for solving the problems will be described. In the embodiment, the speaker 16a corresponds to a “first speaker”, and the speaker 16b corresponds to a “second speaker”. Further, the microphone 54 corresponds to “acoustic input means”, the BPFs 61 and 63 and the demodulation units 62 and 64 correspond to “signal extraction means”, and the determination unit 65 that executes the speaker pass / fail determination processing of FIG. It corresponds to “means”. The correspondence between the main elements of the embodiment and the main elements of the invention described in the column of means for solving the problem is the same as that of the embodiment described in the column of means for solving the problem. Therefore, the elements of the invention described in the column of means for solving the problems are not limited. In other words, the interpretation of the invention described in the column of means for solving the problems should be made based on the description of the column, and the examples are those of the invention described in the column of means for solving the problems. It is only a specific example.

  The embodiments of the present invention have been described using the embodiments. However, the present invention is not limited to these embodiments, and can be implemented in various forms without departing from the gist of the present invention. Of course you get.

  DESCRIPTION OF SYMBOLS 10 Game machine, 11 Front frame, 12 Game board, 13 Upper tray, 14 Lower tray, 15 Launch handle, 16a, 16b Speaker, 20 Main control board, 30 Sub control board, 31 Low pass filter (LPF), 32 High pass filter ( HPF), 33 adder, 34, 134 carrier signal generator, 35, 135 modulator, 36, 136 adder, 37 low pass filter (LPF), 38 high pass filter (HPF), 39 adder, 40, 140 carrier signal Generator, 41, 141 Modulator, 42, 142 Adder, 43 Adder, 47 Inspection Switch, 48 Amplifier Board, 50 Inspection Device, 51 Controller, 51a CPU, 51b ROM, 51c RAM, 51d HDD, 52 Display Unit, 53 Operation unit, 54 Microphone, 61, 63, Van Pass filter (BPF), 62, 64 demodulating unit, 65 determination unit, 161 a band pass filter (BPF), 163 high-pass filter (HPF).

Claims (5)

A gaming machine comprising a first speaker and a second speaker capable of outputting sound,
While outputting sound including the first data signal from the first speaker, and outputting sound including the second data signal from the second speaker,
A gaming machine characterized in that acoustic testing of the speaker is possible in the acoustic testing process of the gaming machine. A gaming machine according to claim 1,
Sound input means capable of inputting the sound;
Signal extracting means for extracting a data signal from the input sound;
Correctness determination means for determining whether or not the speaker is normal based on the extraction result by the signal extraction means;
A gaming machine, wherein an acoustic inspection of the first speaker and the second speaker is performed using an inspection device comprising: A gaming machine according to claim 1 or 2,
The first data signal is included in the sound of the first sound range using the band in the first sound range and output, and the second data signal is output in the second sound range using the band in the second sound range. A game machine characterized by being output in the sound. A gaming machine according to claim 1 or 2,
The first data signal is included in the sound of the first sound range using the band outside the first sound range, and the second data signal is output using the band outside the second sound range. A game machine characterized by being output in the sound. A gaming machine comprising a first speaker and a second speaker capable of outputting sound,
A game machine characterized in that sound including a first data signal can be output from the first speaker and sound including a second data signal can be output from the second speaker.

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