Patents by Inventor Donald S. McGregor

Donald S. McGregor 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: 5625669
    Abstract: A mobile telephone programming and accounting system that includes an integrated hardware system interlinking a telephone unit, a telephone interlink receiver, and a central processing unit connected to the interlink receiver. The hardware system also preferably includes a receipt printer and a credit card reader. The telephone unit is preferably equipped with an internal real time clock and calendar circuit and memory store to record the time and date of calls for reporting to the central processing unit to enable tracking and detailed accounting of calls.
    Type: Grant
    Filed: June 23, 1994
    Date of Patent: April 29, 1997
    Assignee: Telemac Cellular Corporation
    Inventors: Donald S. McGregor, Gregory M. McGregor
  • Patent number: 5577100
    Abstract: A mobile phone system with a mobile phone having internal accounting capabilities for real time call debiting to account for the billing parameters of a mobile phone unit that is operated in a multi zone communication network with a complex rate structure, the mobile phone unit having an internal processor with accessible internal memory for storing the accounting program and call data for each call, a clock and circuit means for activating and deactivating the phone, the accounting program including an updatable rate table and a complex billing algorithm for calculating the account status on the fly including multiple rate structure factors such as long distance calls, international calls with country independent local charges, charges for roaming per day and/or roaming per minute, and call surcharges, where the account status of the mobile phone is calculated in real time for decrementing a debit account or calculating an account charge on demand, the mobile debit phone having a signal for alerting the user
    Type: Grant
    Filed: January 30, 1995
    Date of Patent: November 19, 1996
    Assignee: Telemac Cellular Corporation
    Inventors: Donald S. McGregor, Gregory M. McGregor
  • Patent number: 5325418
    Abstract: A cellular telephone accounting system includes an integrated hardware system interlinking a cellular telephone unit, a telephone interlink receiver, and a central processing unit connected to the interlink receiver. The hardware system also preferably includes a receipt printer and a credit card reader. The cellular telephone unit is equipped with an internal real time clock and calendar circuit and memory store to record the time and date of calls for reporting to the central processing unit to enable tracking and detailed accounting of calls.
    Type: Grant
    Filed: September 27, 1991
    Date of Patent: June 28, 1994
    Assignee: Telemac Cellular Corporation
    Inventors: Donald S. McGregor, Gregory M. McGregor