JPH0359748U - - Google Patents
Info
- Publication number
- JPH0359748U JPH0359748U JP12017289U JP12017289U JPH0359748U JP H0359748 U JPH0359748 U JP H0359748U JP 12017289 U JP12017289 U JP 12017289U JP 12017289 U JP12017289 U JP 12017289U JP H0359748 U JPH0359748 U JP H0359748U
- Authority
- JP
- Japan
- Prior art keywords
- write
- control unit
- read control
- transmitting coil
- output
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Near-Field Transmission Systems (AREA)
Description
第１図は本考案の一実施例による書込／読出制
御ユニツトの送信パルス発生回路を示す回路図、
第２図は書込／読出制御ユニツトの一例を示す斜
視図、第３図は本考案の第２実施例によるパルス
送信回路の一例を示す回路図、第４図はそのリー
ドライトヘツドを示す斜視図、第５図は他の実施
例による送信回路の構成を示す概略図、第６図は
従来のリードライトヘツドを物品搬送ラインに取
付けた状態を示す図である。
１……ＩＤコントローラ、２……パルス送信回
路、３……受信回路、４……リードライトヘツド
、６，７，１０〜１２，１４，１５……ＦＥＴ、
８……切換スイツチ、１６……レベル調整手段、
Ｌ１……送信コイル。
FIG. 1 is a circuit diagram showing a transmission pulse generation circuit of a write/read control unit according to an embodiment of the present invention;
FIG. 2 is a perspective view showing an example of a write/read control unit, FIG. 3 is a circuit diagram showing an example of a pulse transmitting circuit according to a second embodiment of the present invention, and FIG. 4 is a perspective view showing the read/write head thereof. FIG. 5 is a schematic diagram showing the configuration of a transmitting circuit according to another embodiment, and FIG. 6 is a diagram showing a state in which a conventional read/write head is attached to an article conveyance line. 1...ID controller, 2...Pulse transmitting circuit, 3...Receiving circuit, 4...Read/write head, 6, 7, 10 to 12, 14, 15...FET,
8... Selector switch, 16... Level adjustment means,
L1...Transmission coil.
Claims (1)
信用コイルを有する書込／読出制御ユニツトにお
いて、前記送信用コイルに接続されその出力を変
化させる出力レベル調整手段を有することを特徴
とする書込／読出制御ユニツト。 A write/read control unit having a transmitting coil used for data transmission with a data carrier, characterized in that the write/read control unit has an output level adjusting means connected to the transmitting coil and changing its output. unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12017289U JPH0359748U (en) | 1989-10-13 | 1989-10-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12017289U JPH0359748U (en) | 1989-10-13 | 1989-10-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0359748U true JPH0359748U (en) | 1991-06-12 |
Family
ID=31668258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12017289U Pending JPH0359748U (en) | 1989-10-13 | 1989-10-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0359748U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008163941A (en) * | 2007-01-02 | 2008-07-17 | Sheng-An Yang | Assembling type impeller |
-
1989
- 1989-10-13 JP JP12017289U patent/JPH0359748U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008163941A (en) * | 2007-01-02 | 2008-07-17 | Sheng-An Yang | Assembling type impeller |
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