Claims
- 1. A printer, comprising:
- carrying means mounted for movement along a recording medium;
- rotatable type member mounted on said carrying means and including a plurality of types for recording data by impacting on the recording medium;
- driving means mounted on said carrying means for rotating said type member;
- detecting means mounted on said carrying means for detecting the angular position of said type member using light directed to said detecting means from a predetermined direction;
- light generating means mounted off said carrying means, wherein light from said light generating means is directed along the direction of movement of said carrying means; and
- reflection means mounted on said carrying means for reflecting light from said light generating means to said detecting means along the predetermined direction.
- 2. A printer according to claim 1, wherein said detecting means includes a slit member and a light receiving member for detecting light passing through said slit member.
- 3. A printer according to claim 2, wherein said reflection means includes a reflection member for reflecting the light generated by said light generating means toward the predetermined direction.
- 4. A printer according to claim 3, wherein said type member includes a type wheel and said driving means includes a motor for rotating said type wheel, wherein said slit member integrally rotates with said type wheel.
- 5. A printer according to claim 4, wherein said detecting means further includes a second slit member.
- 6. A printer according to claim 5, wherein said second slit member includes an index slit.
- 7. A printer according to claim 5, wherein said second slit member is disposed between said first-mentioned slit member and said light receiving member.
- 8. A printer according to claim 1, wherein said light generating means includes a laser.
Priority Claims (9)
Number |
Date |
Country |
Kind |
53-80533 |
Jul 1978 |
JPX |
|
53-80534 |
Jul 1978 |
JPX |
|
53-80535 |
Jul 1978 |
JPX |
|
53-80536 |
Jul 1978 |
JPX |
|
53-80537 |
Jul 1978 |
JPX |
|
53-80538 |
Jul 1978 |
JPX |
|
53-80539 |
Jul 1978 |
JPX |
|
53-80540 |
Jul 1978 |
JPX |
|
53-80541 |
Jul 1978 |
JPX |
|
Parent Case Info
This application is a continuation of application Ser. No. 786,729, filed Oct. 15, 1985, now abandoned, which in turn is a continuation of Ser. No. 579,002, filed Feb. 14, 1984, now abandoned, which in turn is a continuation of Ser. No. 308,510, filed Oct. 2, 1981, now abandoned, which in turn is a continuation of Ser. No. 053,778, filed July 2, 1979, now abandoned.
US Referenced Citations (11)
Foreign Referenced Citations (1)
Number |
Date |
Country |
1191086 |
May 1970 |
GBX |
Continuations (4)
|
Number |
Date |
Country |
Parent |
786729 |
Oct 1985 |
|
Parent |
579002 |
Feb 1984 |
|
Parent |
308510 |
Oct 1981 |
|
Parent |
53778 |
Jul 1979 |
|