JPH01146353U - - Google Patents
Info
- Publication number
- JPH01146353U JPH01146353U JP4268488U JP4268488U JPH01146353U JP H01146353 U JPH01146353 U JP H01146353U JP 4268488 U JP4268488 U JP 4268488U JP 4268488 U JP4268488 U JP 4268488U JP H01146353 U JPH01146353 U JP H01146353U
- Authority
- JP
- Japan
- Prior art keywords
- optical
- recording area
- card
- optical recording
- reading device
- 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
- 230000003287 optical effect Effects 0.000 claims description 21
- 230000002401 inhibitory effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Signal Processing For Digital Recording And Reproducing (AREA)
- Optical Recording Or Reproduction (AREA)
- Management Or Editing Of Information On Record Carriers (AREA)
- Credit Cards Or The Like (AREA)
Description
第1図は本考案による光カードの書込・読取装
置の一実施例を示す構成図、第2図は同実施例に
適用する光カードの一例を示す正面外観図、第3
図は本考案に適用する光カードの他の例を示す正
面外観図、第4図は本考案による光カードの書込
・読取装置の他の実施例を示す構成図である。
1……光カード、2……光学記録領域、3……
光学マーク、4……搬送系、5……駆動回路、6
……電動機、7……第1の光学ヘツド、71……
光源、72……コリネートレンズ、73……ビー
ムスプリツタ、74……対物レンズ、75……光
センサ、8……第2の光学ヘツド、81……光源
、82……光センサ、9……デコーダー、10…
…エンコーダー、11……コンパレーター、12
……入出力装置、13……制御装置、14……光
学記録領域のトラツク群。
FIG. 1 is a configuration diagram showing an embodiment of an optical card writing/reading device according to the present invention, FIG. 2 is a front external view showing an example of an optical card applied to the embodiment, and FIG.
The figure is a front external view showing another example of the optical card to which the present invention is applied, and FIG. 4 is a configuration diagram showing another example of the optical card writing/reading device according to the present invention. 1... Optical card, 2... Optical recording area, 3...
Optical mark, 4... Conveyance system, 5... Drive circuit, 6
...Electric motor, 7...First optical head, 71...
Light source, 72...Collinating lens, 73...Beam splitter, 74...Objective lens, 75...Photo sensor, 8...Second optical head, 81...Light source, 82...Photo sensor, 9... ...Decoder, 10...
...Encoder, 11...Comparator, 12
. . . input/output device, 13 . . . control device, 14 . . . track group of optical recording area.
Claims (1)
可能な光学記録領域を備えた光カードの書込・読
取装置において、 前記光学記録領域に対する情報の書込み・読取
りを行なう第1の光学ヘツドと、 光源および光センサからなり、前記光学記録領
域とは別個に設けられかつ光学特性を変更するこ
とによつて前記光学記録領域に対する情報の追加
書込みを禁止するための光学マークを検出する第
2の光学ヘツドと、 を備えて成ることを特徴とする光カードの書込・
読取装置。[Claims for Utility Model Registration] An optical card writing/reading device having an optical recording area on the surface of the card that can optically write/read information, which writes/reads information to/from the optical recording area. an optical mark consisting of a first optical head, a light source, and an optical sensor, provided separately from the optical recording area, and for inhibiting additional writing of information to the optical recording area by changing optical characteristics; A second optical head for detecting an optical card.
reading device.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4268488U JPH01146353U (en) | 1988-03-30 | 1988-03-30 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4268488U JPH01146353U (en) | 1988-03-30 | 1988-03-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH01146353U true JPH01146353U (en) | 1989-10-09 |
Family
ID=31269092
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4268488U Pending JPH01146353U (en) | 1988-03-30 | 1988-03-30 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01146353U (en) |
-
1988
- 1988-03-30 JP JP4268488U patent/JPH01146353U/ja active Pending
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