Capacitive label reader
Patent
·
OSTI ID:865668
- Albuquerque, NM
A capacitive label reader includes an outer ring transmitting portion, an inner ring transmitting portion, and a plurality of insulated receiving portions. A label is the mirror-image of the reader except that identifying portions corresponding to the receiving portions are insulated from only one of two coupling elements. Positive and negative pulses applied, respectively, to the two transmitting rings biased a CMOS shift register positively to either a 1 or 0 condition. The output of the CMOS may be read as an indication of the label.
- Research Organization:
- AT&T
- DOE Contract Number:
- AC04-76DP00789
- Assignee:
- United States of America as represented by United States (Washington, DC)
- Patent Number(s):
- US 4553026
- OSTI ID:
- 865668
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
capacitive
label
reader
outer
transmitting
portion
inner
plurality
insulated
receiving
portions
mirror-image
identifying
corresponding
coupling
elements
positive
negative
pulses
applied
respectively
rings
biased
cmos
shift
register
positively
condition
output
indication
pulses applied
shift register
transmitting portion
capacitive label
label reader
coupling element
coupling elements
/235/376/976/
label
reader
outer
transmitting
portion
inner
plurality
insulated
receiving
portions
mirror-image
identifying
corresponding
coupling
elements
positive
negative
pulses
applied
respectively
rings
biased
cmos
shift
register
positively
condition
output
indication
pulses applied
shift register
transmitting portion
capacitive label
label reader
coupling element
coupling elements
/235/376/976/