Class Information
Number: 318/487
Name: Electricity: motive power systems > Automatic and/or with time-delay means (e.g., automatic starting and/or stopping) > Time or with time-delay means > Electromagnetic or inductive time-delay means
Description: Subject matter in which the time-controlling or time-delay means comprises an electromagnetic device in the control circuit of the motor, the electromagnetic device having means for affecting the rate of rise and fall of the current through the electromagnet or for affecting the rate of increase or decrease in the magnetic flux associated with the electromagnet, for the purpose of controlling the time of operation of the control means.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7095199 |
Automatic vehicle wiper system |
Aug. 22, 2006 |
| 7053573 |
Motor drive apparatus, integrated circuit, and motor drive method |
May. 30, 2006 |
| 6788017 |
Period adjustment circuit of disconnection and restart IC |
Sep. 7, 2004 |
| 6541929 |
Apparatus and method for controlling vehicle power windows |
Apr. 1, 2003 |
| 4527653 |
Road load insensitive electric power steering system |
Jul. 9, 1985 |
| 4455517 |
Door activating control circuitry |
Jun. 19, 1984 |
| 4350337 |
Energy saving arrangement for bowling apparatus |
Sep. 21, 1982 |
| 4079432 |
Motor restart limiter |
Mar. 14, 1978 |
| 3965401 |
Textile card crush roll operating system and method |
Jun. 22, 1976 |
| 3959699 |
Bi-directional motor drive system |
May. 25, 1976 |
| 3942082 |
Multi-line chemical injection system |
Mar. 2, 1976 |
|
