Electronic writing implement and method of electronic writing

Details Electronic writing implement and method of electronic writing Electronic writing implement and method of electronic writing

1999-12-07

2003-10-28

Johnson, Timothy M. (Department: 2625)

Image analysis

Pattern recognition

On-line recognition of handwritten characters

C340S005610, C340S005640, C345S157000, C345S179000, C345S180000, C345S182000, C345S183000, C382S119000, C382S189000, C382S314000, C382S315000

Reexamination Certificate

active

06640007

ABSTRACT:

BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to writing implements for entering or transferring characters, symbols, illustrations or marks into a medium such as paper, and in particular among them, relates to a seal stamp that can impress or transfer a seal image of the stamp surface, and a pen that can write characters or symbols according to movements of a user's hand. The term “pen” includes, for example, a ballpoint pen, a fountain pen, a pencil, and the like, and any implement that can write characters or symbols according to movements of a user's hand is included.
2. Related Art Statement
(1) Usually, a conventional seal stamp using an inkpad and without an electronic function and ordinary paper without an electronic function are used, and the signature function of the seal stamp is realized when the stamp surface of the seal stamp is impressed and transferred onto the paper.
(2) Japanese Unexamined Patent Application Laid-open No. 5-89220, “Electronic seal system (ELECTRONIC IMPRINTER)”
This document discloses a system that catches an identification signal emitted from an electronic seal stamp, transforms the identification signal into identification data, reads seal image data corresponding to the identification data from an image data storing file, and sends the seal image data to an electronic information editorial-control apparatus. An object of this system is to seal electronic information.
(3) Japanese Unexamined Patent Application Laid-open No. 6-247022, “Electronic seal stamp and electronic seal stamp system (ELECTRONIC SEAL AND ELECTRONIC SEALING SYSTEM)”
Similarly to the above document (2), an object of this is to seal electronic information.
(4) Japanese Unexamined Patent Application Laid-open No. 6-328827, “Electronic seal stamp and terminal apparatus (ELECTRONIC SEAL AND TERMINAL EQUIPMENT)”
Compared with the above documents (2) and (3), this is different in that an electronic seal stamp itself has seal image data.
SUMMARY OF THE INVENTION
The above-described conventional technique (1) only transfers the seal image of the stamp surface into a surface of a sheet or the like that can be impressed with the seal image. Such impression only leaves the seal image on the surface of the sheet or the like. Thus, quantity of information that can be transferred is small and the authenticity must be judged only from the impressed seal image.
The above-described conventional techniques (2)-(4) aim to seal electronically, and accordingly quantity of information that can be transferred is large. However, it is impossible to directly seal a sheet or the like bearing information recorded in print or by handwriting.
Further, it is possible to set a sheet or the like, on which information is recorded by printing or handwriting, in a printer or the like and to print a seal image on that sheet. This case, however, is similar to the above-described technique (1) in that, as information, only the seal image is recorded on the paper. Thus, the information that can be transferred into the sheet or the like is small, and its authenticity must be judged from the seal image only. The same seal stamp often produces seal images that are different in shape. This is because force is differently applied to the seal stamp, inkpads provide different colors, and ink adheres differently to the stamp surface, frequently. Thus, it is often difficult to judge authenticity of a seal image.
More importantly, the conventional techniques require not only an electronic seal stamp but also an expensive computer for processing the identification data received from the electronic seal stamp and for processing seal image data.
Thus, in the electronic seal stamp systems of the conventional techniques (2)-(4), the electronic seal stamps are used in different manners from the ordinary seal stamp in which only a stamp surface is critical. As a result, those electronic seal stamp systems are difficult to use together with a seal stamp system that uses the conventional seal stamp and paper. Further, installation costs of the equipment is high to a user, and it is necessary to learn difficult operation of apparatuses such as a computer. Thus, it is hardly acceptable to everybody. Further, the conventional techniques (2)-(4) can not transfer a seal image to a medium—mostly paper—in which information to be approved or authenticated is written. In other words, they are used in different manners from the traditional impressing, and users feel inconvenience.
Further, at first sight, it may be felt that, in the conventional techniques (2)-(4), by printing out an electronically-sealed electronic document, the seal image can be transferred to paper. However, the printed-out document has only the printed image data that is not a transfer of the seal image of the stamp surface. Further, the printed-out sealed document has the same problem as the conventional technique (1). Namely, a shape etc. of the seal image sometimes changes depending on printer's performance etc.
Further, in the case of only electronic data as in the conventional techniques (2)-(4), it may be copied easily.
An object of the present invention is to provide, at low costs, an electronic seal stamp system which can confirm a seal image by impression similarly to the conventional seal stamp, can perform electronic sealing, gives high security, and is easy in handling.
According to the present invention, electronic sealing is performed at the same time with impression by a stamp surface. The modes of the present invention includes an electronic seal stamp, an electronic seal stamp system employing an electronic seal stamp, and the like. The electronic seal stamp of the present invention may be provided with a writer for non-contact IC sheet. To attain the above object, there is constructed an electronic seal stamp system that employs an electronic seal stamp having a stamp surface and having a storing function and an output function for electronic information. Namely, there is constructed an electronic seal stamp system using an electronic seal stamp and an electronic sheet, wherein;
the electronic seal stamp has a stamp surface and has a storing function and an output function for electronic information;
the electronic sheet is of a sheet shape, has a surface capable of being impressed, and has a storing function and an input function for electronic information; and
when said electronic seal stamp is impressed on said electronic sheet, a seal image of the stamp surface of the electronic seal stamp is transferred to the surface of the electronic sheet, and, at the same time, electronic information stored in the storing function of the electronic seal stamp is transferred to the storing function of the electronic sheet through the output function of the electronic seal stamp and the input function of the electronic sheet. Here, the electronic sheet may be a non-contact IC sheet.
With this construction, it is possible to provide the electronic seal stamp system, wherein: the stamp surface can be impressed similarly to an ordinary seal stamp having only a stamp surface; and also electronic sealing can be performed.
In the above construction, there is used the electronic seal stamp that has the stamp surface and has the storing function and the output function for the electronic information. Instead, there may be used an electronic seal stamp that has a stamp surface and has a storing function, an output function and an input function for electronic information.
In a case where there are used the latter electronic seal stamp and an electronic sheet that is of a sheet shape, has a surface capable of being impressed, and has a storing function, an output function and an input function for electronic information, there is constructed an electronic seal stamp system, wherein:
when the electronic seal stamp is impressed on the electronic sheet,
a seal image of a stamp surface of the electronic seal stamp is transferred to the surface of the electronic sheet;
at the same time, electronic information stored in t

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