Method and apparatus for delivering secured telephony...

Telephonic communications – Multi-line or key substation system with selective switching... – With special service

Reexamination Certificate

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Details

C348S014010

Reexamination Certificate

active

06862349

ABSTRACT:
A hybrid coaxial cable network employing interdiction to ensure privacy in telephony communications. The video and telephony signals are secured such that telephony and interactive video signals to and from a subscriber do not appear on the network at any other undesired subscriber location.

REFERENCES:
patent: 3959602 (1976-05-01), Jayson
patent: 4008369 (1977-02-01), Theurer et al.
patent: 4035838 (1977-07-01), Bassani et al.
patent: 4367548 (1983-01-01), Cotten, Jr. et al.
patent: 4441180 (1984-04-01), Schussler
patent: 4450477 (1984-05-01), Lovett
patent: 4654866 (1987-03-01), Bottle et al.
patent: 4686667 (1987-08-01), Ohnsorge
patent: 4757496 (1988-07-01), Bartholet et al.
patent: 4984267 (1991-01-01), Martinez
patent: 5027426 (1991-06-01), Chiocca, Jr.
patent: 5185738 (1993-02-01), Kelly
patent: 5189673 (1993-02-01), Burton et al.
patent: 5278889 (1994-01-01), Papanicolaou et al.
patent: 5301057 (1994-04-01), Eames
patent: 5303229 (1994-04-01), Withers et al.
patent: 5325223 (1994-06-01), Bears
patent: 5469495 (1995-11-01), Beveridge
patent: 5530748 (1996-06-01), Ohmori
patent: 5559858 (1996-09-01), Beveridge
patent: 5804890 (1998-09-01), Kakalec et al.
patent: 5818125 (1998-10-01), Manchester
patent: 0421602 (1991-04-01), None
patent: 2237709 (1991-05-01), None
patent: 2252022 (1994-07-01), None
patent: 9210038 (1992-06-01), None
Andrew Beasley, The Advantages of Using Cable TV Distribution Plant for Linking PCS-Microcells, IEEE, Feb., 1992, pp. 292-295.
D.W. Hardwick, Integration of Cordless Telephony with CATV Distribution, IEEE, 1992, pp. 87-90.
Miki et al., European Conference on Optical Communication; Genoa Italy; 1978; two way WDM Transmission.
Hara, Conceptual Design of a Switched Television-Distribution System Using Opitcal-Fiber Waveguides, IEEE Transactions; 1977 pp. 120-130.
Voice Follows Video; CED: Communications Engineering and Design; Jun. 1993 p. 67.
ADC Launches Fiber Coax Platform; Telephony; May 24, 1993; pp. 11-12.
Omaha Selected for Broadband Roll-out; U S WEST Today; Apr. 26, 1993, vol. 6, No. 7; p. 1.
Bell's Brash CEO Bets Big on TV Dream; USA Today; Apr. 22, 1993; p. B 1.2.
U S WEST Picks Omaha to Test New Data Network; The Denver Post; Apr. 24, 1993; p. C 1.2.
Homeworx Fiber in the Loop System; ADC Telecommunications; Jun. 1992.
Homeworx Fiber in the Loop System From ADC Telecommunications; A Partner in the Expanding Network; Mar.,1992.
Phone, Cable Deals Let U.S. Test Future; USA Today, Jun. 28, 1993, p. B 1.2.
Rochester Tel Taps ADC For Video Trial; Telephony; May 31, 1993, pp. 8-9.
First Pacific Networks' Wideband Personal Xchange; Telephone News; Aug. 28, 1989; vol. 10. No. 33.
Cable, Phone Firms Wrangle Over Future; USA Today, Feb. 11, 1993, pp. B 1, B 2.

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