Patent EP0322720A2 successfully refreshed from Google Patents.
EP0322720A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Electromagnetic wave shielding transparent body
Assignee: AGC Inc
•
Filing: 1988-12-20
•
Granted: —
•
Expires: 2008-12-20
Abstract
Abstract An electromagnetic wave shielding transparent body comprising one or more transparent sheets, a transparent conductive layer formed as a first electric conductor on at least one of said transparent sheets, and a second electric conductor separated from said transparent conductive layer.
Inventors
- 👤 Kazuyuki Akeyoshi
- 👤 Takeshi Matsumoto
- 👤 Satoru Harada
- 👤 Masatake Nakamura
- 👤 Toshiyuki Ishikawa
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-06 19:31
CPC Classifications
B; B32; B32B; B32B17/00; B32B17/06; B32B17/10; B32B17/10005; B32B17/10009; B32B17/10036; H; H05; H05K; H05K9/00
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
41 words
An electromagnetic wave shielding transparent body comprising one or more transparent sheets, a transparent conductive layer formed as a first electric conductor on at least one of said transparent sheets, and a second electric conductor separated from said transparent conductive layer.
Claim 2
Dependent Claim
41 words
An electromagnetic wave shielding transparent body comprising one or more transparent sheets, a transparent conductive layer formed as a first electric conductor on at least one of said transparent sheets, and a second electric conductor separated from said transparent conductive layer.
Claim 3
Dependent Claim
31 words
The electromagnetic wave shielding transparent body according to Claim 1, wherein the second electric conductor has an electromagnetic shielding property complementary to the electromagnetic shielding property of the first electric conductor.
Claim 4
Dependent Claim
43 words
The electromagnetic wave shielding transparent body according to Claim 2, wherein the first electric conductor is capable of shielding mainly electromagnetic waves of a certain frequency range, while the second electric conductor is capable of shielding mainly electromagnetic waves of other frequency range.
Claim 5
Dependent Claim
28 words
The electromagnetic wave shielding transparent body according to Claim 3, wherein the second electric conductor has a shape and/or resistivity different from that of the first electric conductor.
Claim 6
Dependent Claim
20 words
The electromagnetic wave shielding transparent body according to Claim 4, wherein the second electric conductor has a conductive lattice pattern.
Claim 7
Dependent Claim
55 words
The electromagnetic wave shielding transparent body according to Claim 1 or 2, wherein the second electric conductor has the same shape and resistivity as the first electric conductor and has the same electromagnetic wave shielding property as the first electric conductor so as to enhance the electromagnetic wave shielding property of the first electric conductor.
Claim 8
Dependent Claim
41 words
The electromagnetic wave shielding transparent body according to any one of Claims 1 to 6, wherein the transparent conductive layer is formed on one surface of a transparent sheet and the second electric conductor is formed on the other surface thereof.
Claim 9
Dependent Claim
84 words
The electromagnetic wave shielding transparent body according to any one of Claims 1 to 6, wherein plural (n) transparent sheets are disposed to face one another with a space so as to form a multi-glazed transparent assembly having an inner space between said transparent sheets, wherein the transparent conductive layer is formed on one of 2n surfaces of the transparent sheets of the multi-glazed transparent assembly, while the second electric conductor is formed on at least one of the rest of the 2n surfaces.
Claim 10
Dependent Claim
56 words
The electromagnetic wave shielding transparent body according to any one of Claims 1 to 6, wherein plural (n) transparent sheets are laminated, and the transparent conductive layer is formed on one of 2n surfaces of the transparent sheets, while the second electric conductor is formed on at least one of the rest of the 2n surfaces.
Claim 11
Dependent Claim
81 words
The electromagnetic wave shielding transparent body according to any one of Claims 1 to 4, wherein plural (n) transparent sheets are disposed to face one another with a space so as to form a multi-glazed transparent assembly having an inner space between said transparent sheets, wherein the transparent conductive layer is formed on at least one of said transparent sheets, and a lattice made at least partly of conductive material is provided as the second electric conductor in the inner space.
Claim 12
Dependent Claim
27 words
The electromagnetic wave shielding transparent body according to any one of Claims 7 to 10, wherein said one transparent sheet is a laminate of plural transparent sheets.
Claim 13
Dependent Claim
33 words
The electromagnetic wave shielding transparent body according to any one of Claims 1 to 11, wherein the transparent conductive layer and the second electric conductor are in a non-conductive state to each other.
Claim 14
Dependent Claim
32 words
The electromagnetic wave shielding transparent body according to any one of Claims 1 to 12, wherein the transparent conductive layer comprises a transparent conductive film and conductive filaments provided in contact therewith.
Claim 15
Dependent Claim
28 words
The electromagnetic wave shielding transparent body according to any one of Claims 1 to 13, wherein at least one of the first and second electric condutors is earthed.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.