Meter for passively logging the presence and identity of TV view

Details Meter for passively logging the presence and identity of TV view Meter for passively logging the presence and identity of TV view

1985-11-12

1986-12-02

George, Keith E.

Facsimile and static presentation processing

Static presentation processing

Attribute control

455 2, H04H 900

Patent

active

046269045

ABSTRACT:
A meter for passively logging the presence of TV viewers including circuitry for disabling the audio of a TV set, a transmitter for wirelessly transmitting the audio to a plurality of headphones, a circuit responsive to the headphones presence upon the head of a viewer for transmitting a headphone ID signal to a monitor, a receiver in the monitor for logging the fact that particular headphones are activated, and a time of day clock for logging the period of time particular headphones are activated.

REFERENCES:
patent: 4225953 (1980-09-01), Simon et al.
patent: 4275385 (1981-06-01), White
patent: 4435845 (1984-03-01), Timm et al.
patent: 4495496 (1985-01-01), Miller, III
patent: 4546382 (1985-10-01), McKenna et al.
patent: 4566030 (1986-01-01), Nickerson et al.
patent: 4573072 (1986-02-01), Freeman
patent: 4578700 (1986-03-01), Roberts et al.
patent: 4591906 (1986-05-01), Morales-Garza et al.
patent: 4596041 (1986-06-01), Mack

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