JP2001155120A - Portable terminal with rfid reader/writer - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a portable terminal with an RFID reader/writer provided with an external antenna terminal. SOLUTION: RFID tag data are read and rewritten by using both a means which transmits and receives the RFID tag data through an internal antenna included in the portable terminal with a RFID reader/writer and a means which transmits and receives the RFID tag data through an external antenna connected externally to the antennal terminal provided in the portable terminal. The externally connected external antenna can freely be detached, and an antenna corresponding to an RFID tag to be an object can be selected and can be connected to the antennal terminal as an external antenna.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention
o Frequency Identification) Information systems using tags.

[0002]

2. Description of the Related Art The configuration of a portable terminal with an RFID reader / writer according to the prior art is shown in the block diagram of FIG. The portable terminal 100 with an RFID reader / writer according to the related art transmits / receives RFID data to / from an RFID tag 20 such as a non-contact type IC card only via an internal antenna 3 built in the portable terminal 100. Reads and rewrites data. That is, after receiving the RFID tag data of the RFID tag 20 via the internal antenna 3 controlled by the antenna control unit 2 and reading and rewriting the data in the RFID reader / writer unit 1,
The data is transmitted to the RFID tag 20 via the internal antenna 3 again. The read RFID tag data is displayed on the display unit 8 via the control unit 5 or transmitted to an externally connected host computer or the like 30 via the communication unit 7. The rewriting of the RFID tag data is performed based on the rewriting data set in the setting unit 6.
Rewrites the RFID tag data.

[0003]

SUMMARY OF THE INVENTION RFI according to the prior art
The portable terminal with D 100 is connected to the RFID via the internal antenna 3 built in the main body of the portable terminal.
Since the tag data is transmitted and received, the RFID tag 2
I had to get 0 closer. Therefore, for example, the portable terminal body 100 or the RFID tag 2
If any one of 0 is in a narrow place or an isolated place and the portable terminal body 100 and the RFID tag 20 cannot be brought close to each other, it has been difficult to transmit and receive the RFID tag data. Since the transmission and reception of the RFID tag data is performed via an antenna corresponding to the target RFID tag 20, an R antenna having an antenna corresponding to the application is built in.
I had to prepare a portable terminal with FID reader / writer. That is, in a portable terminal with an RFID reader / writer which incorporates only an antenna corresponding to a non-contact type IC card, it can be used only for a non-contact type IC card.

[0004]

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned drawbacks of the prior art portable terminal with RFID reader / writer.
RF that incorporates a D reader / writer unit and reads and rewrites RFID tag data transmitted and received via an antenna
In a portable terminal with an ID reader / writer, means for transmitting and receiving RFID tag data by an internal antenna built in the portable terminal, and RFID tag data by an external antenna externally connected to an antenna terminal of the portable terminal via an antenna cable. The transmitting and receiving means are used together, and the antenna control unit controls the RFs of the internal antenna and the external antenna.
Controls transmission and reception of ID data. The external antenna with a cable antenna externally connected via the antenna terminal can be freely removed, and an antenna corresponding to the target RFID tag can be selected and connected to the antenna terminal as the external antenna.

[0005]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. R according to the invention
FIG. 1 shows a plan view and a side view of a portable terminal 10 with an FID reader / writer. The portable terminal 10 with an RFID reader / writer according to the present invention has an RFI inside.
It incorporates a D reader / writer unit 1 (not shown) and reads and transmits data of an RFID tag 20 transmitted and received via an internal antenna 3 built in the portable terminal 10 or an external antenna 4 externally connected to an antenna terminal 11. Rewrite. That is, the transmission and reception of the RFID data include the transmission and reception of the RFID tag data via the internal antenna 3 provided in the portable terminal body 10 and the antenna terminal 11 provided in the portable terminal body 10.
The transmission and reception of RFID tag data via the external antenna 4 externally connected by the antenna cable 12 are also used. The internal antenna 3 and the external antenna 4 are controlled by an antenna control unit 2 (not shown) built in the portable terminal body.

An external antenna 4 externally connected to an antenna terminal 11 of the portable terminal body 10 via an antenna cable 12 is detachable from the antenna terminal 11 and has an antenna corresponding to a target RFID tag. Can be selected and connected to an antenna terminal as an external antenna. That is, it is possible to select an antenna corresponding to the target RFID tag 20 for various types of RFID tags having different shapes and sizes, and to replace the external antenna 4 with the antenna terminal 11 via the antenna cable 12. .

FIG. 2 is a block diagram showing the configuration of the portable terminal 10 with an RFID reader / writer according to the present invention. The internal antenna 3 and the external antenna 4 are controlled by the antenna control unit 2, and transmit and receive data of the RFID tag 20. That is, the data of the RFID tag 20 received via the internal antenna 3 is controlled by the antenna control unit 2, and under the control, the data is read and rewritten in the RFID reader / writer unit 1, and the internal antenna 3 to the RFID tag 20. Similarly, the RFID tag 2 received via the external antenna 4 externally connected to the antenna terminal 11
The data “0” is controlled by the antenna control unit 2. Under the control, data is read and rewritten in the RFID reader / writer unit 1, and transmitted to the RFID tag 20 via the external antenna 4 again. The read R
The FID tag data is displayed on the display unit 8 via the control unit 5 or transmitted to an externally connected host computer or the like 30 via the communication unit 7. The rewriting of the RFID tag data is performed by the RFID reader / writer unit 1 based on the rewriting data set by the setting unit 6.

[0008]

As described above, according to the present invention, R
In a portable terminal with an FID reader / writer, an internal antenna 3 built in the portable terminal body,
The RFID tag 2 is used in combination with an external antenna 4 externally connected to an antenna terminal 11 via an antenna cable 12.
0 data is transmitted and received. Therefore, the RFID tag 20
If the portable terminal main body 10 cannot be brought close to the RFID tag 20 when the portable terminal main body 10 cannot be brought close to the RFID tag 20, the small external antenna 4 externally connected to the antenna terminal 11 via the antenna cable 12 is brought close to the RFID tag 20, Send and receive. External antenna terminal 11
External antenna 4 with antenna cable 12 connected to
Can be mounted (removed) freely, so various types of RFI
When reading the D tag, the external antenna 4 corresponding to the target RFID tag can be easily connected by appropriately connecting the external antenna 4.
The FID tag can be read.

[Brief description of the drawings]

FIG. 1 is a plan view and a side view of a portable terminal with an RFID reader / writer according to the present invention.

FIG. 2 is a block diagram showing the configuration of a portable terminal with an RFID reader / writer according to the present invention.

FIG. 3 is a block diagram showing a configuration of a portable terminal with an RFID reader / writer according to the related art.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 RFID reader / writer part 2 Antenna control part 3 Internal antenna 4 External antenna 5 Control part 6 Setting part 7 Communication part 8 Display part 9 Battery part 10 RFID portable terminal 11 Antenna terminal 12 Antenna cable 20 RFID tag 30 Host computer etc.

 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Hirokazu Suga 1-11-15 Higashi Gotanda, Shinagawa-ku, Tokyo F-term in Densei Lambda Co., Ltd. 5B058 CA15 YA20 5B072 BB00 CC06 CC08 DD10 5J047 AA12 EF05

Claims (3)

[Claims] 1. A portable terminal with a built-in RFID reader / writer for reading and rewriting RFID tag data transmitted / received via an antenna, wherein the RFID tag data is transmitted by an internal antenna built in the portable terminal. And an external antenna externally connected to an antenna terminal provided on the portable terminal via an antenna cable.
A portable terminal with an RFID reader / writer, characterized in that a means for transmitting and receiving FID tag data is used in combination, and the antenna control unit controls transmission and reception of RFID data by the internal antenna and the external antenna. 2. The portable terminal with an RFID reader / writer according to claim 1, wherein an external antenna with an antenna cable externally connected to the antenna terminal can be freely removed from the antenna terminal. 3. The RFID reader according to claim 1, wherein an external antenna corresponding to a target RFID tag is selected, and the external antenna is externally connected to an antenna terminal via an antenna cable. Portable terminal with lighter.