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Electronic recodeable lock

  • US 4,519,228 A
  • Filed: 03/24/1982
  • Issued: 05/28/1985
  • Est. Priority Date: 04/01/1981
  • Status: Expired due to Fees
First Claim
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1. Method for recoding a lock of the type comprising a housing that includes a reading unit and a memory for recording codes for the lock, the lock being actuated by a preferably plate-formed key member containing a key code, the key member having thereon a recoding section on to which informations may be recorded and having a correct command for changing the code of the lock recorded on the recoding section, the method which comprises the steps of recoding said lock by inserting the key member into a slot in the lock, reading the key command for changing the code of the lock in said reading unit and storing the code of the inserted key member in said memory and removing the recording command from the key member upon removing the key member from the lock.

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