JP2000349454A - Waterproof structure of hand-held information reader/ writer - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide structure with high reliability which can securely radiate a loud sound to the outside and effectively prevent a buzzer from becoming wet even if rainwater enters the main body. SOLUTION: Water drain holes 2 and 3 are formed penetrating the information reader writer main body from its top surface 1A to the opposite reverse surface 1B, and a sound hole 5 from which the sound of the buzzer 7 provided at an inner part and indicating the completion of read operation, etc., leaks is formed at an intermediate part of the passage 4 of the water drain holes 2 and 3, thereby preventing the buzzer from getting wet with water even if the main body receives some amount of water.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hand-held information reading / writing device such as a bar code reader and an IC card reader / writer, and more particularly, to preventing a buzzer from malfunctioning even if the main body is slightly exposed to water. The present invention relates to a waterproof structure of a hand-held information read / write device capable of preventing a decrease in volume of a buzzer sound.

[0002]

2. Description of the Related Art For example, various types of handy type bar code readers have been developed and used. Usually, such a type of barcode reader may be used outdoors, for example, but the main body casing is provided with an inner casing so that the barcode reader can be used even in slight rainfall such as drizzle. There is known a configuration in which measures such as waterproofing for living are taken as a configuration such as sealing.

A bar code reader having such a structure is usually provided with a buzzer so as to notify the user that the reading and writing of information is completed, and sound the buzzer when the reading and writing of information is completed. Configuration.

[0004]

By the way, in order to make the buzzer sound, a plurality of holes are provided in a casing near the installation portion of the buzzer so that the sound of the buzzer leaks out. It is necessary.

[0005] However, in the case of outdoor use, for example, water may enter inside through the hole, and there is a risk that internal devices, particularly electronic parts that are sensitive to water, may be damaged due to water, etc. As described above, the buzzer 10 is formed by a paper or other appropriate sheet-like waterproof member 100 which is somewhat upper and is impermeable to water.
1 is closed from above.

However, in the bar code reader having such a configuration, the hole is closed by the waterproof member.
There is no structure in which the buzzer sound is trapped inside the casing and a loud sound leaks sufficiently to the outside of the casing to reach the user's ear.

[0007] Such a situation is the same for an IC reader / writer. For a hand-held information reading / writing device such as a bar code reader and an IC reader / writer, the volume of the sound is lowered at the same time as having a certain level of waterproofness. There is a desire for the development of a new device.

In view of the above circumstances, the present invention can surely make a loud sound beep to the outside and effectively prevent the buzzer from getting wet when rainwater enters the inside of the main body even if it enters. It is an object of the present invention to provide a highly reliable waterproof structure of a hand-held information reading / writing device.

[0009]

That is, the present invention according to claim 1 is a hand-held information reading / writing device such as a bar code reader or an IC card reader / writer, wherein the information reading / writing device is provided on an upper surface of the information reading / writing device main body. A drain hole is provided on the lower surface opposite to that of the drain hole, and a sound hole through which a sound from the buzzer that informs completion of reading operation etc. provided in the back part leaks out in the middle part of the passage of this drain hole, and some The buzzer is configured to prevent the buzzer from getting wet even if it is covered with water.

[0010]

Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. 1 and 2
FIG. 1 shows a waterproof structure of a handy type (hand-held) bar code reader according to the present invention. The waterproof structure includes water drain holes 2, 3 provided above and below a bar code reader main body 1, and water drain holes 2, 3,. A sound hole 5 is provided in an intermediate portion (middle) of a passage 4 connecting the three sound passages 3, and a buzzer 7 is housed in an installation room 6 behind the sound hole 5.

A plurality of water drain holes 2 and 3 are formed in the upper surface 1A and the lower surface 1B of the main body 1 of the bar code reader, respectively, at positions vertically opposed to each other. The area of the lower surface 1B where the water drainage holes 3 are formed in this embodiment is recessed, but is not particularly limited to this shape. Further, in this embodiment, the area of the upper surface 1A where the drain hole 2 is formed is formed in a flat shape. However, for example, a water droplet that swells in a convex shape and flows down from the upper side does not enter the drain hole 2. Such a configuration may be adopted.

The passage 4 is formed so as to connect the upper and lower water drain holes 2 and 3. In this embodiment, the passage 4 is formed so as not to interfere with the optical path provided in the central portion inside the bar code reader main body 1. It is formed at the left and right positions that are avoided.

The sound passage hole 5 is formed in a part of the upright wall 1C connecting the upper and lower surfaces 1A and 1B. In particular, in order to prevent water from entering through this hole, an intermediate portion avoiding the lower part of the upright wall 1C. Has been drilled.

Therefore, according to this embodiment, when the apparatus is used outdoors, for example, during rainfall, even if rainwater inserted from above enters through the water drain hole 2, the passage is formed by the action of gravity. 4 can be dropped out of the lower water drain hole 3 through the lower water drain hole 3, so that trouble such as rainwater entering the installation room 7 from the sound passage hole 5 provided in the middle part of the passageway occurs.
Can be effectively prevented.

Further, according to this embodiment, the buzzer sound generated when the buzzer 7 sounds sounds passes through the passage 4 from the sound hole 5,
Since it is possible to leak out from the upper and lower water drain holes 2 and 3 to the outside, it is possible to prevent a situation in which the buzzer sound stays inside the casing and is difficult to hear.

[0016]

As described above, according to the present invention, a water drain hole is provided from the upper surface of the bar code reader main body to the lower surface opposite to this surface, and a passage intermediate portion of the water drain hole is provided. In addition, since a sound hole through which the sound from the buzzer that informs the completion of the reading operation etc. provided in the back part leaks is provided, and the buzzer is configured to prevent the buzzer from getting wet even if it is slightly wet, Even when used outdoors, it is possible to provide a highly reliable product because it is possible to ensure waterproofness and prevent the buzzer sound from being trapped inside the casing and making it difficult to hear.

[Brief description of the drawings]

FIG. 1 is a schematic perspective view showing a waterproof structure of a barcode reader of the present invention.

FIG. 2 is a schematic cross-sectional view of a main part showing an internal configuration of the same structure.

FIG. 3 is a schematic sectional view showing a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Main body 2, 3 Drain hole 4 Passage 5 Sound hole 7 Buzzer

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 4E360 AB42 GA29 GB99 5B047 AA30 BA03 BC20 5C072 AA05 BA02 PA08

Claims (1)

[Claims] 1. A hand-held information read / write device such as a bar code reader or an IC card reader / writer, wherein a water drain hole is provided from an upper surface of the information read / write device main body to a lower surface opposite to the surface. At the middle of the passage of the through hole, a sound hole through which the sound from the buzzer that informs of the completion of the reading operation etc. provided in the back part leaks out so that the buzzer does not get wet even if it is covered with some water. A waterproof structure of a hand-held information reading / writing device characterized by comprising.