Patents by Inventor Erik Jan Krister Ahlberg

Erik Jan Krister Ahlberg 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).

  • Patent number: 4081663
    Abstract: An electronic taximeter of the type including fare computing circuitry for developing a sequence of pulses at a rate representative of a fare accrual rate computed according to a particular tariff, and a tariff selecting circuit operable for selecting tariff control signals representative of the tariff at which the fare is being computed. A master-remote slave display pair displays both the accrued fare as it continually accrues, and a tariff at which the accruing fare is being computed. Both of the displays include a plurality of counters which continually count the sequence of pulses for developing a cumulative pulse count continually representative of the accrued fare. Both of the displays also include display elements for displaying numerals representative of the fare, and respective decoders for receiving the cumulative pulse count within the respective counting circuits and decoding the same to drive respective display elements.
    Type: Grant
    Filed: January 21, 1977
    Date of Patent: March 28, 1978
    Assignee: Haldex Aktiebolag
    Inventor: Erik Jan Krister Ahlberg