Electricity: motive power systems – Positional servo systems – Multiple mode systems
Patent
1976-02-17
1978-04-18
Schaefer, Robert K.
Electricity: motive power systems
Positional servo systems
Multiple mode systems
328154, G05B 1118
Patent
active
040853578
ABSTRACT:
This application discloses cable length measuring apparatus for accurately determining the length of cable at spaced locations by utilizing at least two sets of measuring devices driven by the cable. Electronic switching means receive the length data from each of the measuring devices and processes that data into a command to a cable length marking means. The circuitry of the switch means automatically determines the most favorable instant to cause switching of the measurements of one of the measuring devices to create the command to the marking device to the other of the measuring devices in order to avoid any damage to the cable's jacket because of the switching between the two measuring devices.
REFERENCES:
patent: 3539933 (1970-11-01), White
patent: 3552308 (1971-01-01), Minehart
patent: 3788213 (1974-01-01), Brown et al.
Ansberg Chris
Maisel Klaus
Feldhaus John J.
International Standard Electric Corporation
Marshall Thomas M.
O'Halloran John T.
Schaefer Robert K.
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