JPS6391886U - - Google Patents
Info
- Publication number
- JPS6391886U JPS6391886U JP18517686U JP18517686U JPS6391886U JP S6391886 U JPS6391886 U JP S6391886U JP 18517686 U JP18517686 U JP 18517686U JP 18517686 U JP18517686 U JP 18517686U JP S6391886 U JPS6391886 U JP S6391886U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic tape
- cassette magnetic
- cassette
- remaining
- reel width
- 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
- 239000000696 magnetic material Substances 0.000 claims 1
- 230000003287 optical effect Effects 0.000 claims 1
- 239000013307 optical fiber Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
Description
第１図はこの考案によるカセツト磁気テープ装
置の図、第２図は従来のカセツト磁気テープ装置
の図である。図において、１は電子計算機、３は
書き込み回路、５は書き込みヘツド、６はカセツ
ト磁気テープ、７は読み出しヘツド、９は読み出
し回路、１１はカセツト磁気テープ装置、１２は
電源スイツチ、１４は光ビーム駆動回路、１５は
発光素子、１７は受光素子、２０はカセツト磁気
テープ残リール幅算出回路、２２はカセツト磁気
テープ残長算出回路、２４はカセツト磁気テープ
残長表示器である。なお、図中同一符号は同一ま
たは相当部分を示す。
FIG. 1 is a diagram of a cassette magnetic tape device according to this invention, and FIG. 2 is a diagram of a conventional cassette magnetic tape device. In the figure, 1 is an electronic computer, 3 is a write circuit, 5 is a write head, 6 is a cassette magnetic tape, 7 is a read head, 9 is a read circuit, 11 is a cassette magnetic tape device, 12 is a power switch, and 14 is a light beam. 15 is a light emitting element, 17 is a light receiving element, 20 is a cassette magnetic tape remaining reel width calculating circuit, 22 is a cassette magnetic tape remaining length calculating circuit, and 24 is a cassette magnetic tape remaining length indicator. Note that the same reference numerals in the figures indicate the same or corresponding parts.
Claims (1)
セツト磁気テープを磁気ヘツドの近くで移動して
、情報の書き込み、及び読み出しを行うカセツト
磁気テープ装置において、使用済みカセツト磁気
テープのリール幅を複数の光ビームを用いて検知
する光センサと、残りのカセツト磁気テープのリ
ール幅を算出するためのカセツト磁気テープ残り
リール幅算出回路と、この情報からカセツト磁気
テープの残りの長さを算出するためのカセツト磁
気テープ残長算出回路と、カセツト磁気テープの
残りの長さを表示するためのカセツト磁気テープ
残長表示器とを備えたことを特徴とするカセツト
磁気テープ装置。 In a cassette magnetic tape device that writes and reads information by moving a long, thin ribbon-like tape coated with a magnetic material near a magnetic head, the reel width of a used cassette magnetic tape is spread over multiple optical fibers. An optical sensor that detects using a beam, a cassette magnetic tape remaining reel width calculation circuit that calculates the reel width of the remaining cassette magnetic tape, and a cassette magnetic tape remaining reel width calculation circuit that calculates the remaining length of the cassette magnetic tape from this information. A cassette magnetic tape device comprising a magnetic tape remaining length calculation circuit and a cassette magnetic tape remaining length indicator for displaying the remaining length of the cassette magnetic tape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18517686U JPS6391886U (en) | 1986-12-01 | 1986-12-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18517686U JPS6391886U (en) | 1986-12-01 | 1986-12-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6391886U true JPS6391886U (en) | 1988-06-14 |
Family
ID=31133555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18517686U Pending JPS6391886U (en) | 1986-12-01 | 1986-12-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6391886U (en) |
-
1986
- 1986-12-01 JP JP18517686U patent/JPS6391886U/ja active Pending
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