JPS5786649A - Electric transmission - Google Patents
Electric transmissionInfo
- Publication number
- JPS5786649A JPS5786649A JP16379580A JP16379580A JPS5786649A JP S5786649 A JPS5786649 A JP S5786649A JP 16379580 A JP16379580 A JP 16379580A JP 16379580 A JP16379580 A JP 16379580A JP S5786649 A JPS5786649 A JP S5786649A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- movable electrode
- electrode plate
- switch
- fixed electrode
- 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
Landscapes
- Gear-Shifting Mechanisms (AREA)
Abstract
PURPOSE: To eliminate the contacts of the speed stage reference switch of an electric transmission for a bicycle or the like and enable safe sprocket shifting operation, by making the switch of a movable electrode plate and plural fixed electrode plates capacitively coupled to the movable electrode plate.
CONSTITUTION: A pulse signal of optionally set code, which is sent out from a signal generator 5, is supplied to a first signal detector 8a through the movable electrode plate 6 of a switch and its first fixed electrode plate 7a capacitively coupled to the plate 6. When a signal supplied to the detector 8a is identified as the pulse signal of set code, a coincidence signal is applied as a speed stage reference signal to a control circuit 9. When the content of the preset signal from a sprocket shifting lever 10 and that of the reference signal have coincided with each other, a stoppage signal is sent from the control circuit 9 to an electric motor control section 11. If the contents do not coincide with each other, a sprocket shifting electric motor 12 is rotated to move the movable electrode 6 to the other fixed electrode plates 7bW7e until the contents coincide with each other.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16379580A JPS5786649A (en) | 1980-11-20 | 1980-11-20 | Electric transmission |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16379580A JPS5786649A (en) | 1980-11-20 | 1980-11-20 | Electric transmission |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5786649A true JPS5786649A (en) | 1982-05-29 |
Family
ID=15780840
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16379580A Pending JPS5786649A (en) | 1980-11-20 | 1980-11-20 | Electric transmission |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5786649A (en) |
-
1980
- 1980-11-20 JP JP16379580A patent/JPS5786649A/en active Pending
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