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

1990-01-17

1991-05-28

Luebke, Renee S.

Electricity: circuit makers and breakers

Solid contact

Both contacts are moved

200512, H01H 112

Patent

active

050196790

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. Current 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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