Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Wiper apparatus for motor vehicle










Image Number 3 for United States Patent #5245259.

A wiper apparatus for wiping the windshield of a vehicle with a plurality of wiper blades operated by a plurality of wiper motors which comprises an intermittent switch, autostop switches disposed to the respective wiper motors, relays for operating the respective wiper motors in response to ON-states of the respective autostop switches, a relay driving circuit for driving the relays, a first timer circuit responsive to OFF-states of both the autostop switches for generating a first timer signal, a second timer circuit responsive to an intermittent signal from the intermittent switch and the ending edge of the first timer signal for generating a second timer signal, a third timer circuit responsive to an ON-state of either autostop switch for generating a third timer signal and holding the relay driving circuit to drive the relays, and a prohibiting circuit for forbidding and permitting the operation of the relay driving circuit according to the first timer signal and the second timer signal, respectively.








 
 
  Recently Added Patents
Mobile tablet information handling system support
Washing machine
Actuator, actuator structure and method of manufacturing actuator
Guitar strap attachment means
Support member, rotation device comprising such a support and rolling bearing assembly including such a detection device
Compact semiconductor memory device having reduced number of contacts, methods of operating and methods of making
Toy
  Randomly Featured Patents
LED light communication system
Semiconductor device and method of producing the same
Silicone hydrogel polymers
Zero insertion force card guide
Artificial firelog with sodium bicarbonate additive
Chrysanthemum plant named `PPP SON 07`
Droplet ejection apparatus
Method and apparatus for sensing a fluid handling
Valve seat for a ball and pin valve member in a hydraulically actuated fuel injector
Wholly aromatic liquid crystalline polyester resin compound with enhanced fluidity and method of preparing the same