JPH0467722U - - Google Patents
Info
- Publication number
- JPH0467722U JPH0467722U JP11198990U JP11198990U JPH0467722U JP H0467722 U JPH0467722 U JP H0467722U JP 11198990 U JP11198990 U JP 11198990U JP 11198990 U JP11198990 U JP 11198990U JP H0467722 U JPH0467722 U JP H0467722U
- Authority
- JP
- Japan
- Prior art keywords
- position detection
- diagram showing
- detection means
- abacus
- utility
- 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
- 238000001514 detection method Methods 0.000 claims description 4
- 239000011324 bead Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 6
Landscapes
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Description
第１図は本考案を適用したそろばんを示す図、
第２図は位置検出手段の拡大図、第３図は位置の
検出を示す図、第４図は他の実施例を示す図、第
５図も他の実施例を示す図、第６図は従来のそろ
ばんを示す図。 １はワク、２は珠、３はぼう、４は位置検出手
段、５は超音波発生手段、６は超音波受信手段、
７は電極、８は珠内の電極。
第２図は位置検出手段の拡大図、第３図は位置の
検出を示す図、第４図は他の実施例を示す図、第
５図も他の実施例を示す図、第６図は従来のそろ
ばんを示す図。 １はワク、２は珠、３はぼう、４は位置検出手
段、５は超音波発生手段、６は超音波受信手段、
７は電極、８は珠内の電極。
Claims (1)
- 珠の位置検出手段を有することを特徴とするそ
ろばん。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11198990U JPH0467722U (ja) | 1990-10-24 | 1990-10-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11198990U JPH0467722U (ja) | 1990-10-24 | 1990-10-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0467722U true JPH0467722U (ja) | 1992-06-16 |
Family
ID=31859483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11198990U Pending JPH0467722U (ja) | 1990-10-24 | 1990-10-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0467722U (ja) |
-
1990
- 1990-10-24 JP JP11198990U patent/JPH0467722U/ja active Pending