Cutlery – Razors – With blade-moving means
Reexamination Certificate
1998-08-19
2001-02-20
Rachuba, M. (Department: 3724)
Cutlery
Razors
With blade-moving means
C030S032000
Reexamination Certificate
active
06189215
ABSTRACT:
This invention relates to a method for data transmission between a shaving apparatus and a cleaning device.
From U.S. Pat. No. 5,111,580 there is already known a method by which the need to clean a shaving apparatus is indicated by purely time-controlled means.
From JP 61-220 688 A1 there is also known a solution by which the soiling of the shaving head by shaving dust is determined by means of visual methods.
It is possible to keep the shaving apparatus in a mounting device which either doubles as a cleaning device for the shaving apparatus or is coupled to such a cleaning device. So as not to activate the cleaning device each time the shaving apparatus is inserted, thereby causing a certain consumption of cleaning fluid, it is an advantage to limit the frequency with which the cleaning device is activated. Basically it is conceivable for the cleaning device to be activated by the user by pressing a button, for example. It makes sense for the user to do this when the signal indicating the need to clean the shaving apparatus is emitted. From DE 44 02 236 a cleaning device for a shaving apparatus is known, which comprises a coil controllable by a control device, by means of which the shaving apparatus can be (de-)energized, which for this purpose is provided with a reed switch. Furthermore, the cleaning device contains a sensor for detecting whether the shaving apparatus is connected to the electrical supply. The power supply of the shaving device being inserted in the cleaning device is made by means of a lever arm the end of which establishes a current condition between contact pins of the shaving apparatus and the cleaning device.
It is the object of the present invention to make data transmission between a shaving apparatus and a cleaning device as simple as possible.
According to the invention it is possible for a controller inside the shaving apparatus to be connected via the mounting device to the cleaning device in such a way as to enable the transmission of a signal as well. This can be accomplished, for example, by arranging for this signal to be transmitted via the shaving apparatus contact for the power plug. When this signal is then relayed to the cleaning device, a cleaning operation can be started by first moving the shaving apparatus as necessary into a predetermined cleaning position inside the mounting device, followed by activation of the cleaning device.
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Beerwerth Frank
Brey Wolfgang
Geister Norbert
Braun GmbH
Fish & Richardson P.C.
Flores-Saánchez Omar
Rachuba M.
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