JPH0512820Y2 - - Google Patents
Info
- Publication number
- JPH0512820Y2 JPH0512820Y2 JP1987009793U JP979387U JPH0512820Y2 JP H0512820 Y2 JPH0512820 Y2 JP H0512820Y2 JP 1987009793 U JP1987009793 U JP 1987009793U JP 979387 U JP979387 U JP 979387U JP H0512820 Y2 JPH0512820 Y2 JP H0512820Y2
- Authority
- JP
- Japan
- Prior art keywords
- ultrasonic
- transparent substrate
- receiving element
- transmission time
- drawing pen
- 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.)
- Expired - Lifetime
Links
- 239000000758 substrate Substances 0.000 claims description 30
- 230000005540 biological transmission Effects 0.000 claims description 23
- 238000010586 diagram Methods 0.000 description 3
- 230000005284 excitation Effects 0.000 description 3
- 238000002604 ultrasonography Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000005674 electromagnetic induction Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000001902 propagating effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Landscapes
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987009793U JPH0512820Y2 (de) | 1987-01-26 | 1987-01-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987009793U JPH0512820Y2 (de) | 1987-01-26 | 1987-01-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63118637U JPS63118637U (de) | 1988-08-01 |
| JPH0512820Y2 true JPH0512820Y2 (de) | 1993-04-05 |
Family
ID=30795442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987009793U Expired - Lifetime JPH0512820Y2 (de) | 1987-01-26 | 1987-01-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0512820Y2 (de) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5421120A (en) * | 1977-07-18 | 1979-02-17 | Nec Corp | Coordinate input unit |
-
1987
- 1987-01-26 JP JP1987009793U patent/JPH0512820Y2/ja not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5421120A (en) * | 1977-07-18 | 1979-02-17 | Nec Corp | Coordinate input unit |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63118637U (de) | 1988-08-01 |
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