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DESCRIPTION JP2010015426

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DESCRIPTION JP2010015426
PROBLEM TO BE SOLVED: To provide a commodity sales data processing device capable of
realizing an optimal volume regardless of ambient noise. SOLUTION: A commodity sales data
processing apparatus having a voice output means for outputting voice is provided with a noise
detection means for detecting a surrounding noise level N. Then, the volume of the sound output
means is controlled to be a corrected volume S obtained by adding a predetermined addition
volume α to the noise level N detected by the noise detection means. When the correction
volume S exceeds the upper limit volume β, the volume of the audio output means is set to the
upper limit volume β. [Selected figure] Figure 4
Product sales data processing device
[0001]
The present invention relates to a commodity sales data processing apparatus capable of
outputting voice.
[0002]
2. Description of the Related Art Conventionally, POS (Point Of Sales) terminals, which are
commodity sales data processing devices, are used in retail stores for products such as
convenience stores and supermarkets.
In the checkout operation using the POS terminal, the cashier first reads the barcode of the
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goods carried by the shopper by the scanner provided in the POS terminal. By this reading,
commodity sales data such as a commodity name and a sales price are determined. Then, a
subtotal amount is calculated based on the determined commodity sales data, and the customer
pays for it. Thereafter, the cashier or the customer himself stuffs the product into a shopping bag
or the like, and the customer withdraws from the store.
[0003]
Among such POS terminals, one that outputs voice guidance from the speaker according to the
screen display of the display, and one that generates a beep sound according to the key
operation of the keyboard or the touch operation of the touch panel display There is. (See, for
example, Patent Document 1) In recent years, self-checkout type POS terminals are being
introduced which allow customers to check out purchased goods themselves without placing a
cashier in a cash register. Self-checkout type POS terminals can occupy a smaller installation area
than manned checkout types, reduce the number of cashiers, reduce labor costs, and protect
shopping privacy, etc. There are advantages of Unexamined-Japanese-Patent No. 2004-240787
[0004]
When the self checkout type POS terminal as described above is introduced, the customer may
not understand the operation method, so the operation method is guided by the display on the
display and the sound output from the speaker. There are many. Such voice guidance may be
difficult to hear due to ambient noise. In addition, if the volume of the speaker is set to a large
volume in advance, there is a possibility that the volume of the voice guidance is too large to
make the customer uncomfortable when the noise is small.
[0005]
The present invention has been made based on the above-described circumstances, and an object
thereof is to provide a commodity sales data processing apparatus capable of achieving an
optimal volume regardless of ambient noise.
[0006]
The present invention relates to a commodity sales data processing apparatus having voice
output means for outputting voice, noise detection means for detecting a surrounding noise level,
and the volume of the voice output means according to the noise level detected by the noise
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detection means. And volume control means for controlling the
[0007]
According to the present invention having such means, it is possible to provide a commodity
sales data processing apparatus capable of achieving an optimum volume regardless of ambient
noise.
[0008]
Hereinafter, an embodiment of the present invention will be described with reference to the
drawings.
FIG. 1 shows the appearance of a POS (Point Of Sales) terminal which is a self-checkout type
commodity sales data processing apparatus.
[0009]
Reference numeral 1 denotes a main body, a display 2, a scanner 3, a card insertion slot 4, a
receipt issuance opening 5, a coin insertion opening 6, a coin ejection opening 7, a bill insertion
opening 8, a bill ejection opening 9, a hand-held scanner 10, a microphone 11, a speaker 12, a
mode switch (SW) 13 and an antenna 14 are provided.
A commodity placement table 15 for placing a commodity which has not been settled yet is
provided on the left side of the main body 1, and a commodity placement pedestal 16 for placing
a settled commodity on the right side of the main body 1 is provided.
[0010]
The display 2 is a touch panel type liquid crystal display having an information input function by
the shopper's touch operation, and is for inputting a guidance message for informing the shopper
of the operation method, and information of goods without a bar code attached. The information
input screen, the reading information display screen that displays the information based on the
barcode reading of the scanner 3 and the hand-held scanner 10, and the settlement screen such
as the total purchase amount, deposit amount, change amount etc. Do.
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[0011]
The scanner 3 optically reads the bar code of the product which the shopper hands out.
In the card insertion slot 4, a shopper's point card and an IC card for settlement are inserted.
The receipt issue port 5 is an issue port of a receipt to be printed when the checkout operation is
completed. The coin insertion slot 6 is an insertion slot for a coin for adjustment. The coin
discharge port 7 is a return port for fishing coins. The bill insertion slot 8 is a bill insertion slot
for settlement. The bill outlet 9 is a return port for a fishing bill. The hand-held scanner 10 is
used when a shopper hands-on and reads a barcode of an item. The microphone 11 detects a
noise level N which is the magnitude of noise around the POS terminal (noise detection means).
The speaker 12 outputs voice such as operation guidance (voice output means). The mode switch
13 can be rotated only by using a predetermined key possessed by a store clerk, etc., and
switching to a setting mode for performing various settings and a product sales mode for
receiving product sales processing according to the stop position after rotation Do. The antenna
14 is responsible for wireless communication with a wireless access point connected to a
network in the store.
[0012]
The control circuit of the POS terminal having such a configuration is shown in FIG. In the CPU
(Central Processing Unit) 20, the display 2, the scanner 3, the hand-held scanner 10, the
microphone 11, the speaker 12, the mode switch 13, the antenna 14, and an operating system
required for the product registration process (OS And a hard disk drive (HDD) 21 storing
application programs, a RAM 22 for data storage, a timer 23 for clocking, a printer 24 for issuing
a receipt, reading and writing of data to a card inserted in the card insertion slot 4 Card reader /
writer 25 for performing the process, a coin insertion unit 26 for processing coins inserted into
the coin insertion slot 6, a coin ejection unit 27 for processing coins ejected to the coin ejection
port 7, and inserted into the bill insertion slot 8 Bill input unit 28 for processing The bill
discharging unit 29 which processes the discharged bills to the bill discharging port 9, the
unpaid side weighing unit 30 which weighs the goods placed on the goods placing stand 15, and
the goods placed on the goods placing stand 16 It is connected to a settled weighing unit 31 or
the like that weighs.
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[0013]
The POS terminal can control the volume of the sound output from the speaker 12 according to
the noise level N detected by the microphone 11. The setting necessary for performing the
control can be performed from the volume setting screen 40 displayed on the display 2 when the
mode switch 13 is turned by the predetermined key and set in the setting mode.
[0014]
FIG. 3 is a schematic view showing an example of the sound volume setting screen 40. As shown
in FIG. On the volume setting screen 40, a volume control switch 41, an upper limit setting
switch 42, an initial volume change switch 43, and an upper limit volume change switch 44 are
displayed. The volume control switch is a switch for controlling (on) or not controlling (off) the
volume of the speaker 12 according to the noise level N detected by the microphone 11 (volume
control switching means). The upper limit setting switch 42 is a switch for setting whether the
upper limit volume β of the volume of the speaker 12 is set (on) or not set (off) when the
volume control switch 41 is turned on (upper limit setting switch) means). The initial volume
change switch 43 is a switch for setting and changing the initial volume S0 of the volume of the
speaker 12. The upper limit volume change switch 44 is a switch for setting and changing the
upper limit volume β of the volume of the speaker 12. Information of ON / OFF of volume
control switch 41 and upper limit setting switch 42 and values of initial volume S0 and upper
limit volume β set by operating initial volume change switch 43 and upper limit volume change
switch 44 are respectively hard disks. It is stored in the drive 21 (upper limit storage means).
[0015]
Next, the operation of the above configuration will be described. The POS terminal outputs voice
guidance from the speaker 12 when the customer performs product registration processing. At
this time, the volume control program stored in the hard disk drive 21 is loaded into the RAM 22,
and the volume control process based on the program is executed at a predetermined timing
(volume control means).
[0016]
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FIG. 4 is a flowchart of processing executed by the CPU 20 in the volume control processing.
First, in step ST1, the CPU 20 determines whether the volume control switch 41 is turned on.
When it is determined that the volume control switch 41 is turned on (Yes in ST1), the ambient
noise level N is detected by the microphone 11 as ST2. Thereafter, as ST3, the addition volume α
predetermined in advance is added to the volume corresponding to the noise level N to calculate
the corrected volume S to be set to the volume of the speaker 12 (S = N + α).
[0017]
Next, the CPU 20 determines whether or not the upper limit setting switch 42 is turned on in
ST4. If it is determined that it is turned on (Yes in ST4), it is determined in ST5 whether or not
the correction volume S is less than the upper limit volume β (S <β). When it is determined that
the correction volume S is less than the upper limit volume β (S <β) (Yes in ST5), the correction
volume S is set to the volume of the speaker 12 as ST6. On the other hand, when it is determined
that the correction volume S is not less than the upper limit volume β (S ≧ β) (No in ST5), the
upper limit volume β is set to the volume of the speaker 12 as ST7.
[0018]
When it is determined in the process of ST4 that the upper limit setting switch 42 is not turned
on (No in ST4), the corrected volume S in the process of ST6 regardless of whether the corrected
volume S is less than the upper limit volume β or not. Is set to the volume of the speaker 12.
[0019]
When it is determined in the process of ST1 that the volume control switch 41 is not turned on
(No in ST1), the initial volume S0 is set to the volume of the speaker 12 as ST8 regardless of the
noise level N and the upper limit volume β.
As described above, after setting the volume of the speaker 12 in the process of ST6, ST7 or ST8,
the CPU 20 ends the volume control process.
[0020]
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Next, the change in volume of the speaker 12 controlled through the volume control process will
be described with reference to FIGS. 5, 6, and 7. FIG. Each of FIGS. 5, 6 and 7 is a graph in which
the vertical axis is volume [dB] and the horizontal axis is time [t], and the noise level N detected
by the microphone 11 is indicated by a broken line.
[0021]
FIG. 5 is a graph for explaining the volume of the speaker 12 when the volume control switch 41
is turned off. When the volume control switch 41 is turned off, the initial volume S0 is set to the
volume of the speaker 12 (ST8), so the volume of the speaker 12 is always constant at the initial
volume S0 regardless of the noise level N.
[0022]
FIG. 6 is a graph for explaining the volume of the speaker 12 when the volume control switch 41
is turned on and the upper limit setting switch is turned off. When the volume control switch 41
is turned on, the correction volume S calculated by adding the addition volume α to the noise
level N is set to the volume of the speaker 12 (ST6). The volume of the speaker 12 changes.
[0023]
FIG. 7 is a graph for explaining the volume of the speaker 12 when the volume control switch 41
is turned on and the upper limit setting switch is turned on. In this case, since the correction
volume S is set to the volume of the speaker 12 (ST6), the volume of the speaker 12 changes
according to the noise level N (ST6), but when the correction volume S is the upper limit volume
β or more The upper limit volume β is set to the volume of the speaker 12 (ST7).
[0024]
As described above, the POS terminal according to the present invention can control the volume
of the speaker 12 according to the noise input from the microphone 11. Therefore, the volume of
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the speaker 12 can be optimally maintained regardless of the ambient noise. In particular, when
voice guidance relating to the self checkout operation of the POS terminal is output from the
speaker 12, it is effective because the operation method etc. can be properly notified to the
customer.
[0025]
Also, the upper limit volume of the speaker 12 can be determined. As a result, while controlling
the volume of the speaker 12 according to the noise, it is possible to prevent the customer from
feeling uncomfortable because the volume is too large.
[0026]
Further, the volume of the speaker 12 is controlled by appropriately setting a corrected volume
calculated by adding a predetermined additional volume to the ambient noise. The added volume
and the upper and lower volumes can be changed by setting. Furthermore, it can be switched and
used whether to control the volume of the speaker 12 according to the noise or whether to set
the upper limit of the volume. Thus, since the setting regarding control of the speaker 12 can be
changed, optimal volume control can be implement | achieved according to the use condition etc.
in a store.
[0027]
The present invention is not limited directly to the above-described embodiment. In practice, the
structural elements can be appropriately modified and embodied without departing from the
spirit of the invention.
[0028]
For example, although the above-mentioned embodiment explained an example which applied
the present invention to a self checkout type POS terminal, it may apply to a manned checkout
type POS terminal whose cashier operates a POS terminal.
[0029]
Further, the addition volume α to be added to the noise level N when calculating the correction
volume S may also be changed by the touch operation of the volume setting screen 40 as in the
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upper limit volume β and the initial volume S0.
[0030]
Besides, various inventions can be formed by appropriately combining the components disclosed
in the embodiments.
For example, some components may be deleted from the entire components.
[0031]
BRIEF DESCRIPTION OF THE DRAWINGS The external appearance perspective view of the POS
terminal in one Embodiment of this invention.
FIG. 6 is a view showing a control circuit of the POS terminal in the embodiment.
FIG. 7 is a schematic view showing an example of a sound volume setting screen in the
embodiment. The flowchart of the process which CPU performs by the sound volume control
process in the embodiment. The figure for demonstrating the sound volume in case the sound
volume control switch and the upper limit setting switch are both off in the embodiment. The
figure for demonstrating a sound volume in case the sound volume control switch is ON, and the
upper limit switch is OFF in the embodiment. The figure for demonstrating the sound volume in
case the sound volume control switch and the upper limit setting switch are both on in the
embodiment.
Explanation of sign
[0032]
11 microphone 12 speaker 13 mode switch 20 CPU 40 volume setting screen 41 volume control
switch 42 upper limit setting switch 43 initial volume change switch 44 upper limit volume
change switch N ... noise level, β ... upper limit volume, S0 ... initial volume, α ... addition volume,
S ... correction volume
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