Electricity: motive power systems – Braking – Automatic and/or with time-delay means
Patent
1985-01-22
1987-09-22
Shoop, Jr., William M.
Electricity: motive power systems
Braking
Automatic and/or with time-delay means
318 85, 318618, 318619, 318341, H02P 550
Patent
active
046957782
ABSTRACT:
A rotation phase control device which synchronizes the rotation phase of the rotor of a motor with a reference signal and which has a steady-state characteristic compensating circuit improves the starting characteristic of the motor by compensating characteristic control apparatus for varying the compensating characteristic of the compensating circuit based on whether or not the rotation phase of the rotor is within a predetermined synchronization range relative to the reference signal.
REFERENCES:
patent: 3599063 (1971-08-01), Sadaaki Nanai
patent: 3636364 (1972-01-01), Stempler et al.
patent: 3671835 (1972-06-01), McMenamy et al.
patent: 3673422 (1972-06-01), Parke
patent: 3777233 (1973-12-01), Natens
patent: 3934182 (1976-01-01), Donohue et al.
patent: 3934269 (1976-01-01), Fujita et al.
patent: 3944896 (1976-03-01), Rodek
patent: 3947737 (1976-03-01), Kimura et al.
patent: 4029946 (1977-06-01), Gerstine et al.
patent: 4099111 (1978-07-01), Inaba et al.
patent: 4099112 (1978-07-01), Klinger
patent: 4271382 (1981-06-01), Maeda et al.
patent: 4319173 (1982-03-01), Rhodes
patent: 4355266 (1982-10-01), Pearson
patent: 4386300 (1983-05-01), Ogawa
patent: 4441061 (1984-04-01), Yosida et al.
patent: 4476417 (1984-10-01), Zimmermann
patent: 4500822 (1985-02-01), Tajima et al.
patent: 4506202 (1985-03-01), Tajima et al.
patent: 4564795 (1986-01-01), Parkes et al.
Chito Yasuo
Ogawa Masahiko
Canon Kabushiki Kaisha
Ip Shik Luen Paul
Shoop Jr. William M.
LandOfFree
Rotation phase control device does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Rotation phase control device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Rotation phase control device will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2060843