Sewing or embroidering machine
First Claim
1. A sewing machine comprising:
- input means for entering a plurality of different types of operations of the sewing machine and for entering access authorization data;
a memory means for associating a type of access code to each of said plurality of different types of operations;
a control unit means for controlling operation of the sewing machine in response to said type of operation entered by said input means, said control unit including microprocessor means for reading and writing to said memory means to change said type of access code associated with one of said plurality of different types of operations according to said access authorization data entered by said input means.
1 Assignment
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Accused Products
Abstract
A sewing or embroidering machine with an electronic control device including a microcomputer. Access authorization for the individual modes of operation of the sewing and embroidering machine can be changed by the buyer of the machine. The assignment of access authorization to individual modes of operation of the sewing machine is stored in a first write-read memory in the form of a table, access authorization table. The first write-read memory is connected with the microprocessor and with a first input device such that after a corresponding operating function is called up or requested by a person authorized to do so, the access authorization can be correspondingly changed for the mode of operation in question by the input means.
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Citations
9 Claims
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1. A sewing machine comprising:
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input means for entering a plurality of different types of operations of the sewing machine and for entering access authorization data; a memory means for associating a type of access code to each of said plurality of different types of operations; a control unit means for controlling operation of the sewing machine in response to said type of operation entered by said input means, said control unit including microprocessor means for reading and writing to said memory means to change said type of access code associated with one of said plurality of different types of operations according to said access authorization data entered by said input means. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A process for operating a sewing machine, the process comprising the steps of:
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providing a plurality of input devices; receiving a request for one of a plurality of operations of the sewing machine; receiving a specific access code from said input devices; comparing said received specific access code with an internal access code for said one of said plurality of operations; comparing a type of said input device receiving the specific access code with a type of access code required for said one of said plurality of operations; storing said type of access code in a memory means; changing said type of an access code for an operation by one of said input devices.
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Specification