Program material screening device

Details Program material screening device Program material screening device

1987-08-31

1989-12-19

Brown, Thomas W.

Telephonic communications

Telephone line or system combined with diverse electrical...

Audio program distribution

34082531, 379 87, 379 95, 379199, 455 261, H04M 100, H04M 1108

Patent

active

048887960

ABSTRACT:
A program material screening device is provided whereby the owner of a program signal receiving device such as a telephone, television, radio, VCR, or the like may automatically and selectively prevent the reception and replay by the receiving device of unwanted transmissions. The screening device is capable of recognizing non-interfering material content signals co-transmitted with the program signals received by the receiving device, and is capable of automatically disabling the receiving device in response to recognition of the material content signal.

REFERENCES:
patent: 4114139 (1978-09-01), Boyd et al.
patent: 4266098 (1981-05-01), Novals
patent: 4536791 (1985-08-01), Campbell et al.
patent: 4588857 (1986-05-01), Aersen
patent: 4591664 (1986-05-01), Freeman
patent: 4598288 (1986-07-01), Yarbrough et al.
patent: 4600921 (1986-07-01), Thomas
patent: 4602297 (1986-07-01), Reese
patent: 4695904 (1987-09-01), Shinyagaito et al.
patent: 4718107 (1988-01-01), Hayes

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