Magnetic card operated, microprocessor-based access, cycle and time-management control system

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Description

FIG. 1 is a top view of the magnetic card operated microprocessor-based access cycle and time-management control system, showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a side view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a front perspective view thereof;

FIG. 6 is a rear perspective view thereof.

Referenced Cited
U.S. Patent Documents
D221384 August 1971 Molyneaux
4277689 July 7, 1981 Thomas et al.
Other references
  • Office Products Dealer, 3-1980, p. 82, Danyl Corp. Keyboard Entry Unit for Controlling Copier Usage.
Patent History
Patent number: D277382
Type: Grant
Filed: Mar 17, 1982
Date of Patent: Jan 29, 1985
Inventors: Loren A. Schultz (Dresher, PA), William N. Brownfield, Jr. (Berwyn, PA)
Primary Examiner: Susan J. Lucas
Application Number: 6/358,866
Classifications
Current U.S. Class: D14/105; D14/107