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
Variety corn line NPAA2720
Waterproof wound protector
Crystalline form of (R)-7-chloro-N-(quinuclidin-3-yl)benzo[b]thiophene-2-carboxamide hydrochloride monohydrate
Output queued switch with a parallel shared memory, and method of operating same
Low power voltage controlled oscillator (VCO)
Constant low-flow air source control system and method
Data processing apparatus including reconfigurable logic circuit
  Randomly Featured Patents
Electric supply device for an ozonizer
Acetamide and carboxamide derivatives of azaadamantane and methods of use thereof
Flash camera
Universal game engine for a game network and method therefor
Method for automatic call-transfer using a softphone
Method and apparatus for dissolving powder in a liquid
Device for holding and heating a gel container
Exercise treadmill
Distributed optical structures with improved diffraction efficiency and/or improved optical coupling
Magnetic coupler