Flat switch insertable into a magazine and usable as part of a s

Details Flat switch insertable into a magazine and usable as part of a s Flat switch insertable into a magazine and usable as part of a s

1988-12-19

1990-07-03

Luebke, Renee S.

Electricity: circuit makers and breakers

Solid contact

Interposed nonconductor

200505, 200 6119, H01H 2704

Patent

active

049393260

ABSTRACT:
A technique for supplying power from a battery to a transmitter included as part of an insert in a magazine which is used to monitor magazine readership. A switch in the insert is open when the magazine is closed to break the circuit to the transmitter. However, the switch is closed when the magazine is opened. The circuit is then supplied to the transmitter which emits an identification signal indicative of the magazine being read.

REFERENCES:
patent: 3062326 (1962-11-01), Jones et al.
patent: 3111655 (1963-11-01), Kotarsky et al.
patent: 3141944 (1964-07-01), De Voe
patent: 3577121 (1971-05-01), Wing et al.
patent: 3803374 (1974-04-01), Delgendre et al.

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