1981-10-26
1983-08-30
Gonzales, John
G03B 1505
Patent
active
044013752
ABSTRACT:
A flash adapter converts a folding camera that is adapted to operate a flash bar to use a conventional electronic flash. The flash adapter can comprise a resilient U-shaped bracket with a pair of legs adapted to fit the shutter housing of the folding camera and to engage its sides with a pair of thin protrusions on each leg of the bracket. The bracket can carry and interconnect electrically a conventional flash hot shoe and the flash socket assembly of the folding camera, and can support an electronic flash from the hot shoe. The electronic flash is operated by a signal from the camera through an electronic circuit carried by the bracket. Preferably, the electronic circuit is carried on a printed circuit board that comprises the plug electrically interconnecting the hot shoe on the bracket with the flash socket assembly. The electronic circuit provides a flash-ready signal to the camera and triggering of the electronic flash upon operation of the camera shutter. Features of the flash adapter permit it to remain connected to the camera when the camera is folded and not in use.
REFERENCES:
patent: 3821771 (1974-06-01), Johnson et al.
patent: 3858227 (1974-12-01), Ellin et al.
patent: 3961349 (1976-06-01), Forsyth et al.
patent: 4095245 (1978-06-01), Kuraishi
patent: 4145134 (1979-03-01), Kogure et al.
patent: 4285589 (1981-08-01), Van Allen et al.
"An Invitation to Sunpack Electronic Flash Photography", Sunpack Div., Berkey Marketing Co., Sunpack Corp., Tokyo, Japan.
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