US4748555A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control unit for a moving body
Assignee: Canon Inc
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Filing: 1984-04-19
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Granted: 1988-05-31
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Expires: 2004-04-19
Abstract
Abstract A control unit for a moving body such as an optical system of a copying machine includes detection means for detecting a moving status of the moving body and control means for controlling the movement of the moving body in accordance with a detection output of the detection means. The control means contains data corresponding to the detection output to control the moving body in accordance with the detection output.
Inventors
- 👤 Hiroyuki Miyake
- 👤 Masanori Miyata
- 👤 Akihiro Kasiwabara
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:13
CPC Classifications
H; H02; H02P; H02P29/00; H02P29/0016; H02P29/0027
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
170 words
A control unit for a moving body, comprising: a moving body; a motor for driving said moving body in response to drive data; means for detecting a velocity of said moving body and generating velocity data; means for detecting a position of said moving body and generating position data; and means for controlling said moving body in accordance with the velocity data from said velocity detection means and the position data from said position detection means, said control means including: first storage means for storing preset target velocity data for controlling said moving body in accordance with the position data from said position detection means; second storage means for storing preset drive data for driving said motor in accordance with the position data from said position detection means independently of said target velocity data; means for comparing the velocity data from said velocity detection means and the target velocity data; and means for outputting correction data for correcting the drive data in accordance with an output from said comparing means.
Claim 2
Dependent Claim
170 words
A control unit for a moving body, comprising: a moving body; a motor for driving said moving body in response to drive data; means for detecting a velocity of said moving body and generating velocity data; means for detecting a position of said moving body and generating position data; and means for controlling said moving body in accordance with the velocity data from said velocity detection means and the position data from said position detection means, said control means including: first storage means for storing preset target velocity data for controlling said moving body in accordance with the position data from said position detection means; second storage means for storing preset drive data for driving said motor in accordance with the position data from said position detection means independently of said target velocity data; means for comparing the velocity data from said velocity detection means and the target velocity data; and means for outputting correction data for correcting the drive data in accordance with an output from said comparing means.
Claim 3
Dependent Claim
38 words
A control unit for a moving body according to claim 1, wherein said control means includes means for updating the drive data in said second storage means in accordance with correction data from said correction data outputting means.
Claim 4
Dependent Claim
22 words
A control unit for a moving body according to claim 1, wherein the drive data includes torque data for driving said motor.
Claim 5
Dependent Claim
53 words
A control unit for a moving body according to claim 1, further comprising means for inputting data into said unit associated with a driving state of said moving body, wherein said first storage means outputs the target velocity data on the basis of the position data and the data from said input means.
Claim 6
Dependent Claim
34 words
A control unit for a moving body according to claim 4, wherein said second storage means outputs the drive data on the basis of the position data and the data from said input means.
Claim 7
Dependent Claim
101 words
A control unit for a moving body, comprising: a moving body; drive means for driving said moving body in response to drive data; means for storing preset drive data for said drive means; detection means for detecting a moving velocity of said moving body; comparing means for comparing the moving velocity with predetermined velocity data; means for converting an output from said comparing means into data relating to the drive data independently of said storage means; and means for updating the stored drive data in said drive data storage means on the basis of the data relating to the drive data.
Claim 8
Dependent Claim
101 words
A control unit for a moving body, comprising: a moving body; drive means for driving said moving body in response to drive data; means for storing preset drive data for said drive means; detection means for detecting a moving velocity of said moving body; comparing means for comparing the moving velocity with predetermined velocity data; means for converting an output from said comparing means into data relating to the drive data independently of said storage means; and means for updating the stored drive data in said drive data storage means on the basis of the data relating to the drive data.
Claim 9
Dependent Claim
24 words
A control unit for a moving body according to claim 6, further comprising memory means for storing the data relating to the drive data.
Claim 10
Dependent Claim
39 words
A control unit for a moving body according to claim 7, wherein said updating means updates the drive data on the basis of an average value of the data relating to the drive data stored in said memory means.
Claim 11
Dependent Claim
41 words
A control unit for a moving body according to claim 6, further comprising means for detecting a position of said moving body, wherein the predetermined velocity data is adapted to change in accordance with an output from said position detection means.
Claim 12
Dependent Claim
73 words
A control unit for a moving body, comprising: a moving body; means for driving said moving body; means for detecting a position of said moving body; means for outputting target velocity data of said moving body in response to an output from said position detecting means; and means for outputting drive data for driving said moving body in response to an output from said position detecting means, independently of said target velocity data.
Claim 13
Dependent Claim
73 words
A control unit for a moving body, comprising: a moving body; means for driving said moving body; means for detecting a position of said moving body; means for outputting target velocity data of said moving body in response to an output from said position detecting means; and means for outputting drive data for driving said moving body in response to an output from said position detecting means, independently of said target velocity data.
Claim 14
Dependent Claim
37 words
A control unit for a moving body according to claim 10, wherein said target velocity data output means has a table for storing the target velocity data in advance of said driving means driving said moving body.
Claim 15
Dependent Claim
35 words
A control unit for a moving body according to claim 10, wherein said drive data output means has a table for storing the drive data in advance of said driving means driving said moving body.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-05-31 | 1991-11-30 | 1992-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-05-31 | 1995-11-30 | 1996-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-05-31 | 1999-11-30 | 2000-05-31 | $7700.00 | Window Closed / Lapsed |