Resources Contact Us Home
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
Display screen with transitional icon
Reflective non-invasive sensor
Catalyst and process of hydrocarbon feedstock reformation to hydrogen and carbon monoxide
Potato cultivar F10
Jet pump and reactor
Concentration measuring apparatus for hydrogen sulfide in gas flow, and method for determining sulfide ion
Low offset, fast response voltage controlled current source and controlling method thereof
  Randomly Featured Patents
Base station apparatus and radio communication method
Radiation imaging apparatus, processing method therefor, and radiation imaging system
Brake cylinder device including means for automatically compensating for brake pad wear
Transdermal delivery of medications using a combination of penetration enhancers
Continuously variable fiber optic attenuator
Shell forms for making provisional and long-term dental restorations
Fishing lure or fishing lure component
Simulative costume
Microporous support layer with interfacially polymerized copolyamide membrane thereon
Tension-compression member