US4415326A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tactile sensibility testing equipment
Assignee: Canon Inc
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Filing: 1981-10-06
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Granted: 1983-11-15
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Expires: 2001-10-06
Abstract
Abstract A tactile sensibility testing equipment used for those who have a poor eyesight or the blind is disclosed. The testing equipment includes a plate member having a raised pattern formed its surface to be discriminated through the tactile sensation, a mounting member on which the plate member is detachably mounted and a supporting member for rotatably supporting the mounting member. Various patterns can be provided and exchangeably used to test and train the blind or those who have a poor eyesight for tactile sensibility according to their tactual ability.
Inventors
- 👤 Saburo Nagata
- 👤 Ken Nara
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:04
CPC Classifications
G; G09; G09B; G09B21/00; G09B21/001; G09B21/003; Y; Y10; Y10S; Y10S116/00; Y10S116/17
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
53 words
Tactile sensibility testing equipment comprising: tangible means having a pattern formed thereon to be discriminated through tactile sensation; mounting means for mounting said tangible means; and means for rotatably supporting said mounting means, and for making said mounting means stationary at any one of a plurality of predetermined positions in its rotational direction.
Claim 2
Dependent Claim
53 words
Tactile sensibility testing equipment comprising: tangible means having a pattern formed thereon to be discriminated through tactile sensation; mounting means for mounting said tangible means; and means for rotatably supporting said mounting means, and for making said mounting means stationary at any one of a plurality of predetermined positions in its rotational direction.
Claim 3
Dependent Claim
19 words
Tactile sensibility testing equipment as set forth in claim 1, wherein said tangible means comprises a polygonal plate member.
Claim 4
Dependent Claim
19 words
Tactile sensibility testing equipment as set forth in claim 1, wherein said pattern is formed as a raised portion.
Claim 5
Dependent Claim
18 words
Tactile sensibility testing equipment as set forth in claim 3, wherein said raised portion has a rough surface.
Claim 6
Dependent Claim
45 words
Tactile sensibility testing equipment comprising: tangible means having a pattern formed thereon to be discriminated through tactile sensation; holding means for rotatably and detachably holding said tangible means and having a slot, wherein said slot serves to detach said tangible means from said holding means.
Claim 7
Dependent Claim
45 words
Tactile sensibility testing equipment comprising: tangible means having a pattern formed thereon to be discriminated through tactile sensation; holding means for rotatably and detachably holding said tangible means and having a slot, wherein said slot serves to detach said tangible means from said holding means.
Claim 8
Dependent Claim
21 words
Tactile sensibility testing equipment as set forth in claim 5, wherein said slot comprises a hole passing through said holding means.
Claim 9
Dependent Claim
31 words
Tactile sensibility testing equipment as set forth in claim 5, wherein said pattern comprises a raised portion in a form of a ring, a portion of the ring is cut off.
Claim 10
Dependent Claim
18 words
Tactile sensibility testing equipment as set forth in claim 5, wherein said tangible means comprises a polygonal plate.
Claim 11
Dependent Claim
56 words
Tactile sensibility testing equipment comprising: tangible means having a pattern formed thereon to be discriminated through tactile sensation, said tangible means being an equilateral polygon; rotary holding means for rotatably holding said tangible means; and finger engaging means provided on said rotary holding means for allowing said rotary holding means to be rotated by a finger.
Claim 12
Dependent Claim
56 words
Tactile sensibility testing equipment comprising: tangible means having a pattern formed thereon to be discriminated through tactile sensation, said tangible means being an equilateral polygon; rotary holding means for rotatably holding said tangible means; and finger engaging means provided on said rotary holding means for allowing said rotary holding means to be rotated by a finger.
Claim 13
Dependent Claim
28 words
Tactile sensibility testing equipment as set forth in claim 9, wherein said finger engaging means has a plurality of finger holes arranged along a circle at regular intervals.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-11-14 | 1987-05-16 | 1987-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-11-14 | 1991-05-16 | 1991-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-11-14 | 1995-05-16 | 1995-11-15 | $7700.00 | Window Closed / Lapsed |