JPS6462123A - Apparatus for measuring palatal motion - Google Patents
Apparatus for measuring palatal motionInfo
- Publication number
- JPS6462123A JPS6462123A JP62217410A JP21741087A JPS6462123A JP S6462123 A JPS6462123 A JP S6462123A JP 62217410 A JP62217410 A JP 62217410A JP 21741087 A JP21741087 A JP 21741087A JP S6462123 A JPS6462123 A JP S6462123A
- Authority
- JP
- Japan
- Prior art keywords
- lever
- palatal
- motion
- shaking
- nasal cavity
- 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
Abstract
PURPOSE:To easily measure the up-and-down motion of the palatal within a short time, by transmitting the shaking of the internal lever brought into contact with the nasal cavity surface of the palatal to an external lever and measuring the movement of said external lever. CONSTITUTION:A support tubular body 1 is inserted in the nasal cavity and fixed to the head of an examinee 2 so that a revolving fulcrum 4 is positioned at the rear end of the hard palatal 25 in such a state that an internal lever 6 is lightly brought into contact with the nasal cavity surface of the soft plate 5. When the examinee 26 emits sound in this state, the soft palatal 5 performs up-and-down motion. Whereupon, the internal lever 6 shakes and this shaking is transmitted to a push rod 8 as advance and retraction motion and further transmitted to an external lever 11 which in turn performs shaking motion. The positional relation of the reference light emitting element 18 at the revolving fulcrum 10 of the lever 11 and the light emitting element 19 at the leading end of the lever 11 is detected by an optical sensor 21 and operated by a microcomputer 21 and a motion state is displayed on an oscilloscope 22 in a real time and recorded on a data recorder 23.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62217410A JPS6462123A (en) | 1987-08-31 | 1987-08-31 | Apparatus for measuring palatal motion |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62217410A JPS6462123A (en) | 1987-08-31 | 1987-08-31 | Apparatus for measuring palatal motion |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6462123A true JPS6462123A (en) | 1989-03-08 |
Family
ID=16703765
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62217410A Pending JPS6462123A (en) | 1987-08-31 | 1987-08-31 | Apparatus for measuring palatal motion |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6462123A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6272466B1 (en) | 1997-03-04 | 2001-08-07 | Fuji Xerox Co., Ltd | Speech detection apparatus using specularly reflected light |
-
1987
- 1987-08-31 JP JP62217410A patent/JPS6462123A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6272466B1 (en) | 1997-03-04 | 2001-08-07 | Fuji Xerox Co., Ltd | Speech detection apparatus using specularly reflected light |
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