Data-projection device for disposable cameras

Details Data-projection device for disposable cameras Data-projection device for disposable cameras

1997-04-24

1999-08-10

Perkey, W. B.

Photography

Disposable or recyclable camera

396318, G03B 1702, G03B 1724

Patent

active

059372079

ABSTRACT:
A data-projection device particularly suited for disposable cameras that offers high reliability without the need for a dedicated monitoring device affixed thereto. A dedicated battery is embedded in this data-projection device and an associated battery terminal extends over the entire surface of the data-projection device. One of the circuit board surfaces securing the electrical components of the data-projection device is covered with an anti-electrostatic copper foil pattern which is connected to the battery, thus providing a shield effect with the battery terminal and the copper foil pattern strobe. Further, preferably, the strobe unit and the data-projection device are separated from each other by at least 2 mm. To reduce noise effects from introducing data display errors in the liquid crystal display spring area provided in the battery terminal and is fastened as the receiving area for the guide frame of the main body of the disposable camera to absorb impacts and a dedicated backup capacitor is installed to provide backup in the event the battery contacts are separated from the battery when the data-projection device or the camera it is attached to is jarred or dropped.

REFERENCES:
patent: 5630177 (1997-05-01), Yamada et al.
patent: 5721990 (1998-02-01), Akaiwa et al.
patent: 5721993 (1998-02-01), Ito et al.

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