JPH0447051Y2 - - Google Patents

Description

[Detailed description of the invention] [Industrial application field] This invention relates to a hand labeler that reads an original barcode and prints the read barcode on a label tape.

[Conventional technology]

When handling many items of the same type in transportation operations, etc., for reasons such as simplifying administrative processes, only one invoice should be used for each item, and a label with an identification barcode attached to the invoice should be used. A method is used in which a label is read, printed with the same barcode as the identification barcode or the like, is duplicated for the number of articles, and is affixed to each article for transportation.

In such cases, conventional methods first read the barcode on the label attached to the invoice using a barcode reading pen, etc., and input the result using the operation keys of the label printing machine to print the label. A bar code was printed on the tape using a thermal printer head to create a duplicate label, which was then peeled off with a peeling roller and affixed to each of the above-mentioned articles.

However, in this conventional method, a separate barcode reading device and a label printing machine must be operated separately, and the barcode read by the barcode reading device must be input to key operations on the label printing machine. The operation is complicated because the user has to input the data by hand, and there are also drawbacks such as troubles caused by input errors when operating the keys.

In order to eliminate the above-mentioned drawbacks, the inventors read the barcode etc. on the label, and if the barcode is successfully read, the operator is notified that the reading has been completed, and a duplicate label can be printed and the duplicate label can be pasted. A portable label reading/printing machine that allows you to easily read the barcode on a label, print a duplicate label, and affix the label to an item by transporting it to a desired position, all with one hand. We first proposed a pasting machine (hand labeler).

Figure 3 shows the appearance of the hand labeler proposed earlier. In this figure, 20 is the case body, which has an opening 21 at the rear. When you touch this part to the original barcode and press the copy switch, the internal image sensor reads it, and the decoding circuit encodes it. The barcode is stored in the memory circuit, and the reading completion notification circuit issues a signal sound to notify that the barcode reading has been completed.

Thereafter, a thermal head prints on the unprinted label tape installed in the case body 20 to create a duplicate label, and the label 23 is fed out from the sticking roller 22 at the tip by button operation and pasted. In this case, when the barcode reading is completed, if the barcode conforms to its format and can be read correctly, the above-mentioned reading completion notification circuit notifies the operator of the completion of reading.

FIG. 4 is a block diagram showing the reading completion notification circuit proposed above. In this figure, 10 is a pulse signal generating circuit, 2 is a buzzer which is a reading completion sound generating circuit, 3 is an LED, and R ₁₁ and R ₁₂ are resistors for adjusting current.

Usually, portable hand labelers are powered by a battery, so in order to save power, a reading completion signal is output only once when reading is completed.
It caused LED 3 to emit light and buzzer 2 to sound.

[Problem that the invention attempts to solve]

With the notification method using the reading completion notification circuit as described above, there is a risk that the reading completion notification may be overlooked or overheard depending on the surrounding conditions (noise), so it is desirable to send the reading completion notification multiple times. However, there was a problem that an increase in power consumption was unavoidable.

This invention was made to solve this problem, and the purpose is to obtain a hand labeler that can more reliably notify an operator of a reading completion notification.

[Means for solving problems]

The hand labeler according to this invention includes a pulse signal generation circuit, a series body consisting of a first resistor for current adjustment and a light emitting diode connected to the output of the pulse signal generation circuit, and a current connected in parallel with the series body. A reading completion notification circuit is constructed from a second resistor for adjustment and a reading completion sound generating circuit connected in series.

[Effect]

In this invention, the current flowing through the reading completion sound generation circuit is adjusted by the combined resistance value of the first resistor for current adjustment, the light emitting diode, and the second resistor for current adjustment.

〔Example〕

FIG. 1 is a diagram showing an embodiment of the reading completion notification circuit in the hand labeler of this invention. In this figure, the same reference numerals as in FIG. 4 indicate the same parts, and 1 is a pulse signal generation circuit which outputs a pulse signal of, for example, 4KHz. R ₁ and R ₂ are first and second resistors for current adjustment (hereinafter simply referred to as first and second resistors).

In this reading completion notification circuit, the current supplied to buzzer 2 and LED 3 is a common 4KHz pulse signal, and the current supplied to LED 3 is the first
regulated by resistor R ₁ . Also buzzer 2
The current supplied to the LED is adjusted by the combined resistance value of the first resistor _R1 , the load resistance of the LED3, and the second resistor _R2 . That is, since the LED 3 is configured to also function as a resistor, it is possible to achieve a corresponding reduction in power consumption compared to the circuit shown in FIG. 4.

Next, the power saving achieved by this invention will be explained using an example of numerical values with reference to FIG.

Figures 5a and 5b show specific examples of the conventional example shown in Figure 4 separately. Figure 5a shows the buzzer 2 side,
Figure b is a circuit diagram of the LED 3 side. In Figure 5a, R ₁₁ = 500Ω, internal resistance of buzzer 2 R _B =
350Ω and power supply voltage E = 17V, the current I ₁₁ flowing through R ₁₁ and R _B is I ₁₁ = 17/(500 + 350) = 20 (mA), so the loss W ₁₁ in R ₁₁ is W ₁₁ = R ₁₁ (I ₁₁ ) ² = 500×(20×10 ^-3 )=0.2W Similarly, in Figure 5b, R ₁₂ = 1000Ω,
If the internal resistance of LED3 is R _LED = 700Ω, then R ₁₂ ,
The current I ₁₂ flowing through the R _LED is I ₁₂ = 17/(1000+700) = 10 (mA), so the loss W ₁₂ in R ₁₂ is W ₁₂ = R ₁₂ (I ₁₂ ) ² = 1000 x (10 x 10 ^{- 3} ) ² = 0.1W From this, the total loss is W ₁₁ + W ₁₂ = 0.2 + 0.1 = 0.3W.

On the other hand, in this invention shown in Fig. 5c, the voltages applied to the buzzer 2 and the LED 3 are as shown in Fig. 5a,
If we set R ₁ and R 2 so that the voltage is 7V, which is the same as in case b, and so that the current I ₁₁ of buzzer 2 is 20 mA and the current I ₁₂ of LED _{3 is 10 mA, R 1 =} 300Ω, R ₂
= 1000Ω. And the current I ₂ flowing through R ₂ is
It becomes 10mA. Therefore, the loss W ₁ in R ₁
is: W ₁ = R ₁ (I ₁₂ ) ² = 300 x (10 x 10 ^-3 ) ² = 0.03W The loss W ₂ at R ₂ is: W ₂ = R ₂ (I ₂ ) ² = 1000 x (10 x 10 ^-3 ) ² = 0.1W Therefore, the total loss is W ₁ + W ₂ = 0.03 + 0.1 = 0.13W, which in this example can be less than half the value of 0.3W in the conventional example. .

FIG. 2 is a diagram showing another embodiment of the reading completion notification circuit in the hand labeler of this invention. In this figure, the same reference numerals as in FIG. 1 indicate the same parts, 4 is a driving transistor, and 5 is a protection diode, which protects the driving transistor 4 from reverse surge caused by the inductance of the buzzer 2. _R3 is a resistor for current adjustment.

In the embodiment shown in FIG. 2, the pulse signal generating circuit 1 generates a frequency pulse, switches the driving transistor 4, causes the buzzer 2 to sound, and causes the LED 3 to emit light. Protection diode 5
functions to prevent the driving transistor 4 from being destroyed due to reverse surge caused by the inductance of the buzzer 2. In this embodiment as well, power saving can be achieved in the same way as in the embodiment shown in FIG.

[Effect of idea]

As explained above, this invention consists of a pulse signal generation circuit, a series body consisting of a first resistor for current adjustment connected to the output of this pulse signal generation circuit, and a light emitting diode, and a current connected in parallel with this series body. Since the reading completion notification circuit is configured from the second resistor for adjustment and the reading completion sound generation circuit connected in series, the power consumption of the reading completion notification circuit can be reduced and reading completion notification can be performed multiple times. This has the effect that reading completion notification can be more reliably notified to the operator.

[Brief explanation of the drawing]

Fig. 1 is a diagram showing one embodiment of the reading completion notification circuit in the hand labeler of this invention, Fig. 2 is a diagram showing another embodiment, and Fig. 3 is an external perspective view showing the previously proposed hand labeler. , FIG. 4 is a diagram showing a conventional reading completion notification circuit, FIG. 5a,
b and c are explanatory diagrams for comparing the power consumption of the conventional hand labeler and the hand labeler of this invention. In the figure, 1 is a pulse signal generation circuit, 2 is a buzzer, 3 is an LED, 4 is a driving transistor, and 5
is the protection diode, R ₁ and R ₂ are the first and second
resistor. Note that the same reference numerals in each figure indicate the same or corresponding parts.

Claims (1)

[Scope of utility model registration request] A reader that reads the original barcode, prints the read barcode on a label tape, and notifies the operator that the barcode has been read successfully when reading the original barcode. In a hand labeler equipped with a completion notification circuit, a pulse signal generation circuit, a series body of a first resistor for current adjustment and a light emitting diode connected to the output of this pulse signal generation circuit, and a series body connected in parallel with this series body. A hand labeler characterized in that the reading completion notification circuit is configured from a second resistor for current adjustment connected thereto and a reading completion sound generation circuit connected to the series body.