Photography – With data recording – Magnetically on film or film cassette
Reexamination Certificate
1996-08-16
2001-05-15
Gray, David M. (Department: 2851)
Photography
With data recording
Magnetically on film or film cassette
Reexamination Certificate
active
06233407
ABSTRACT:
FIELD OF THE INVENTION
The invention relates generally to the field of photography, and in particular to cameras in which predetermined information is to be recorded in or adjacent each exposed frame of a filmstrip. More specifically, the invention relates to a camera with a magnetic roller recorder for repetitively recording owner-personalization information along a magnetic track on the filmstrip. The magnetic roller recorder can be provided apart from the camera as an owner-personalization accessory for the camera.
BACKGROUND OF THE INVENTION
Prior art U.S. Pat. No. 5,276,470, issued Jan. 4, 1994 discloses a symbol film-imprinting mechanism for cameras. The mechanism fits onto the rear door of a camera and comprises an endless belt-like tape supported on a pair of spaced rollers for rotation to move selected information, such as the date, the time, or the exposure number, into position to expose the information on the filmstrip when a picture is taken. A bulb and an associated mirror are provided for supplying the light to expose the information on the filmstrip. The endless belt, the tape and the mirror significantly increase the size and the manufacturing cost of the camera.
THE CROSS-REFERENCED APPLICATIONS
Cross-referenced application Ser. No. 08/346,722 [our Docket No. 68494WFN] discloses a very high field magnetic roller recorder for recording information on a slave medium when the roller recorder is rolled along the slave medium. The magnetic roller recorder comprises a series of high energy bar magnets mounted around the circumference of a non-magnetic cylinder.
Each magnet's direction of magnetization is perpendicular to the plane of the slave medium when the magnet is in full contact with the slave medium. Moreover, the direction of magnetization alternates 180 degrees from magnet to magnet. As a result, a periodic repetitive pattern of information can be recorded on the slave medium as the roller recorder is rolled along the slave medium.
Cross-referenced application Ser. No. 08/370,720 [our Docket No. 70345WFN] discloses a very high field magnetic micro-roller recorder for recording information on a slave medium when the micro-roller recorder is rolled along the slave medium. Rather than mounting discrete magnets around the circumference of a non-magnetic cylinder as in cross-referenced application Ser. No. 08/346,722 [our Docket No. 68494WFN], the cylinder is constructed of a high energy magnetic material magnetized to saturation in a predetermined pattern of circumferentially located poles.
SUMMARY OF THE INVENTION
According to one aspect of the invention, a camera comprising an information-bearing medium movable to record predetermined information on a filmstrip, is characterized in that:
the information-bearing medium is a magnetic roller recorder having a roller periphery on which is magnetically stored the information, such as the name and/or address of the owner of the camera, and which is rotationally supported in place for stationary rolling contact of the roller periphery with a magnetic track on a filmstrip as the filmstrip is advanced, whereby the information can be repetitively recorded along the magnetic track on the filmstrip.
According to another aspect of the invention, a personalization accessory for a camera, comprises:
a magnetic roller recorder having a roller periphery on which is magnetically stored owner-personalization information; and
a plate configured to be fitted at a rear opening in the camera that is opposite a magnetic track on a filmstrip in the camera, to light-tightly seal the rear opening, and rotationally supporting the magnetic roller recorder through the rear opening for the roller periphery to be in stationary rolling contact with the magnetic track as the filmstrip is advanced, whereby the information can be repetitively recorded along the magnetic track.
Preferably, in either instance, the information stored on the roller periphery constitutes a series of continuously-repeating complete identical messages. The identical messages occupy successive peripheral spaces along the roller periphery which are sufficiently short to ensure that at least one of the identical messages will be recorded on the magnetic track for each exposed frame of the filmstrip. Thus, respective prints corresponding to the exposed frames can all include at least one visible representation of the identical messages.
Also, the plate can include an imprint of the name and/or address of the owner of the camera.
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Jeffers Frederick John
Lee James Kelly
Eastman Kodak Company
Fields Roger A.
Gray David M.
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