Claims
- 1. A transmission control system for a human-powered vehicle, comprising:
- a gear means;
- a crank means coupled to the gear means;
- cadence determining means for determining a cadence of the crank means;
- adjusting means including at least one linear actuator for varying a gear ratio of the gear means;
- at least one gear position sensor comprising a linear potentiometer; and
- computer control means responsive to the cadence determining means and the at least one gear position sensor for controlling the adjusting means, the computer control means comprising means for comparing the cadence with predetermined limits and means responsive to the comparison means for controlling the adjusting means.
CROSS REFERENCE TO RELATED APPLICATIONS
This application is a division of application Ser. No. 07/946,379 filed Nov. 6, 1992, now U.S. Pat. No. 5,356,348 which is a continuation-in-part of application, Ser. No. 07/520,627, filed as PCT/US91/02948, Apr. 30, 1991, now U.S. Pat. No. 5,059,158, the specifications of which are hereby incorporated by reference.
US Referenced Citations (18)
Foreign Referenced Citations (1)
Number |
Date |
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2285655 |
Sep 1975 |
FRX |
Divisions (1)
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Number |
Date |
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Parent |
946379 |
Nov 1992 |
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Continuation in Parts (1)
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Number |
Date |
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520627 |
May 1990 |
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