Patents by Inventor Eduard Theodorus Verveen

Eduard Theodorus Verveen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Interactive respiratory regulator
    Patent number: 5899203
    Abstract: An interactive respiratory regulator comprising a recording device recording the respiratory pattern of a user and issuing a corresponding respiratory signal, an instruction signal generator for the generation of an instruction signal that can be perceived by the user in order to influence his respiratory behavior, a control device controlling the instruction signal generator, a processing device which determines by means of a parameter of the respiratory signal received, whether the recorded respiratory pattern during a predetermined time span meets a pre-adjustable standard for this parameter, and which at a certain error percentage sends a starting signal to the control device. The interactive respiratory regulator is characterized in that the processing device processes as parameter the ratio between the in- and exhalation time in a respiratory cycle.
    Type: Grant
    Filed: March 10, 1997
    Date of Patent: May 4, 1999
    Inventors: Peter Bernard Defares, Cornelis Adriaan De Willigen, Eduard Theodorus Verveen
  • Interactive respiratory regulator
    Patent number: 5730145
    Abstract: An interactive respiratory regulator having a recording device recording the respiratory pattern of a user and issuing a corresponding respiratory signal, an instruction signal generator for the generation of an instruction signal that can be perceived by the user in order to influence his respiratory behaviour, a control device controlling the instruction signal generator, a processing device which determined by a parameter of the respiratory signal received, whether the recorded respiratory pattern during a predetermined time span meets a preadjustable standard for this parameter, and which at a certain error percentage send a starting signal to the control device. The interactive respiratory regulator is characterized in that the processing device processes as parameter the ratio between the in- and exhalation time in a respiratory cycle.
    Type: Grant
    Filed: August 30, 1995
    Date of Patent: March 24, 1998
    Inventors: Peter Bernard Defares, Cornelis Adriaan De Willigen, Eduard Theodorus Verveen
  • Apparatus for regulating the breathing pattern
    Patent number: 4064869
    Abstract: A portable apparatus for regulating the breathing pattern of a patient intended to be used as a remedy against the hyperventilation syndrome. A sensor attached to the body of the patient responds to movements of the chest. The output signals of the sensor are converted into control impulses having a repetition frequency equal to the breathing frequency and providing a criterion for the regulation. The regulation is performed with the aid of a tone generator alternately producing two audible tones having a different character. This tone generator is only in operation if the breathing frequency of the patient is below a prescribed limit frequency.
    Type: Grant
    Filed: October 16, 1975
    Date of Patent: December 27, 1977
    Inventors: Peter Bernard Defares, Wouter Wies VAN DER Schaar, Eduard Theodorus Verveen