Electronic shelf label systems and methods
First Claim
Patent Images
1. An electronic shelf label comprising:
- an LCD display;
a housing including a protective at least partially transparent cover layer disposed over said LCD display and in spaced relationship thereto; and
an at least partially transparent intermediate layer formed over said LCD display and substantially filling a space between said LCD display and said protective at least partially transparent cover layer.
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Abstract
This invention discloses an electronic shelf label including an LCD display, a housing including a protective at least partially transparent cover layer disposed over the LCD display and in spaced relationship thereto, and an at least partially transparent intermediate layer formed over the LCD display and substantially filling a space between the LCD display and the protective at least partially transparent cover layer.
70 Citations
72 Claims
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1. An electronic shelf label comprising:
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an LCD display;
a housing including a protective at least partially transparent cover layer disposed over said LCD display and in spaced relationship thereto; and
an at least partially transparent intermediate layer formed over said LCD display and substantially filling a space between said LCD display and said protective at least partially transparent cover layer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. An electronic shelf label system comprising:
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a multiplicity of electronic shelf labels, each including an IR transmitter for transmitting information relating to the electronic shelf label;
at least one receiver receiving IR transmissions from said multiplicity of electronic shelf labels, said at least one receiver including;
an IR sensor;
a non-IR visible light sensor; and
circuitry for employing an output of the non-IR visible light sensor for reducing interference in a signal band sensed by said IR sensor. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. An electronic shelf label comprising:
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a housing;
an electrically driven display mounted in said housing;
at least one electrically powered illuminator;
at least one fuel cell powering said electrically driven display and said at least one electrically powered illuminator; and
a data communicator providing display data to said electrically driven display from an external data source. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28, 29, 30)
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31. An electronic shelf label comprising:
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a housing;
an electrically driven display mounted in said housing;
at least one fuel cell powering said electrically driven display, said at least one fuel cell including a fuel tank, filling generally the volume of said housing not occupied by said display and said communicator; and
a data communicator providing display data to said electrically driven display from an external data source. - View Dependent Claims (32, 33, 34, 35, 36)
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37. An electronic shelf label comprising:
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a housing;
an electrically driven display mounted in said housing;
at least one electrically powered illuminator;
at least one replaceable energy source powering said electrically driven display and said at least one electrically powered illuminator; and
a data communicator providing display data to said electrically driven display from an external data source, said at least one replaceable energy source being replaceable without requiring dismounting of said housing from a mounting location. - View Dependent Claims (38, 39, 40)
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41. A fuel cell comprising:
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at least first and second printed circuit boards, each having electrical contacts printed thereon, said electrical contacts on said first and second printed circuit boards being in at least partial registration with each other, said at least first and second printed circuit boards being formed with a plurality of apertures generally surrounded by said electrical contacts;
a plurality of electrodes, each electrode being located in one of said apertures; and
a membrane disposed between said first and second printed circuit boards, said membrane providing electrical insulation between said electrical contacts on said first and second printed circuit boards and permitting ionic transfer thereacross between said electrodes, and wherein said electrodes located in apertures on said first printed circuit board being exposed to a fuel, and said electrodes located in apertures on said second printed circuit board being exposed to air.
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42. An electronic shelf label comprising:
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a flexible electrically driven display;
at least one flexible power supply powering said electrically driven display; and
a data communicator providing display data to said electrically driven display from an external data source.
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43. An electronic shelf label system comprising:
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a multiplicity of flexible electronic shelf labels, each including an IR transmitter for transmitting information relating to the electronic shelf label; and
at least one receiver receiving IR transmissions from said multiplicity of flexible electronic shelf labels. - View Dependent Claims (44, 45, 46, 47, 48, 49, 50)
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51. An electronic shelf label system comprising:
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a multiplicity of electronic shelf labels, each including an electronic display for displaying product information; and
a product information entry device which is operative to directly write product information to said electronic display when in propinquity thereto.
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52. An electronic shelf label system comprising:
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a multiplicity of electronic shelf labels, each including;
an IR receiver for receiving information relating to the electronic shelf label; and
an electronic display for displaying product information based on said information received by said IR receiver; and
at least one transmitter transmitting IR transmissions containing said information to said multiplicity of electronic shelf labels, said at least one transmitter being characterized in that it transmits information including both price and product description. - View Dependent Claims (53, 54, 55, 56, 57, 58, 59, 60, 61)
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62. A method of repowering an electronic shelf label including:
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a housing;
an electrically driven display mounted in said housing;
at least one replaceable energy source powering said electrically driven display; and
a data communicator providing display data to said electrically driven display from an external data source, the method comprising;
replacing said at least one replaceable energy source without requiring dismounting of said housing from a mounting location.
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63. An electronic shelf label system comprising:
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a multiplicity of electronic shelf labels, each including;
an RF receiver for receiving information relating to the electronic shelf label; and
an electronic display for displaying product information based on said information received by said RF receiver; and
at least one transmitter transmitting RF transmissions containing said information to said multiplicity of electronic shelf labels, said at least one transmitter being characterized in that it transmits information including both price and product description. - View Dependent Claims (64, 65, 66, 67, 68, 69, 70, 71, 72)
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Specification