×

Communications unit for voice and data

  • US 4,306,116 A
  • Filed: 12/03/1979
  • Issued: 12/15/1981
  • Est. Priority Date: 12/03/1979
  • Status: Expired due to Term
First Claim
Patent Images

1. A communications unit that interconnects to telephone, telephone line, and digital data processing equipment, said communications unit comprising:

  • A. telephone signal path means for establishing a signal path with the telephone for voice signals;

    B. trunk signal path means for establishing a signal path with the telephone line for telephone line signals;

    C. digital data signal path means for establishing a signal path with the digital data processing equipment for digital data signals;

    D. monostable switching means for interconnecting said telephone signal path means and said trunk signal path means in its stable state and for interconnecting said digital data signal path means and said trunk signal path means in its a stable state; and

    E. control means connected to said digital data signal path means and said monostable switching means for establishing the astable state of said switching means in response to use of said digital data signal path means.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×