US5837982A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antenna for non-contact IC card gate facility
Assignee: Renesas Design Corp
•
Filing: 1997-04-21
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Granted: 1998-11-17
•
Expires: 2017-04-21
Abstract
Abstract An antenna mechanism for a noncontacting IC card system for communication with a noncontacting IC card passing a gate, the antenna mechanism including an antenna; and a conductive shielding body located on an outer side of the gate to eliminate a communication area outside the gate by shielding electromagnetic waves from the antenna.
Inventors
- 👤 Shuzo Fujioka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:04
CPC Classifications
G; G06; G06K; G06K7/00; G06K7/10; G06K7/10009; G06K7/10316; G06K7/10346; G06K19/00; G06K19/06; G06K19/067; G06K19/07; G06K19/077; G06K19/07749; G06K7/10019; G06K7/10079; G07; G07C; G07C9/00; G07C9/10; G07C9/20; G07C9/28
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
69 words
An antenna mechanism for a non-contact IC card system for communication with a non-contact IC card passing a gate, said antenna mechanism comprising: an antenna; and a conductive shielding body located on an outer side of a gate to eliminate a communication area outside the gate by shielding electromagnetic waves from said antenna, wherein said conductive shielding body comprises a box covering back and side surfaces of said antenna.
Claim 2
Dependent Claim
69 words
An antenna mechanism for a non-contact IC card system for communication with a non-contact IC card passing a gate, said antenna mechanism comprising: an antenna; and a conductive shielding body located on an outer side of a gate to eliminate a communication area outside the gate by shielding electromagnetic waves from said antenna, wherein said conductive shielding body comprises a box covering back and side surfaces of said antenna.
Claim 3
Dependent Claim
79 words
An antenna mechanism for a non-contact IC card system for communication with a non-contact IC card passing a gate, said antenna mechanism comprising: an antenna including at least a receiving antenna; a conductive shielding body located on an outer side of a gate to eliminate a communication area outside the gate by shielding electromagnetic waves from said antenna; and ground means for connecting said conductive shielding body to a ground having the same electric potential as said receiving antenna.
Claim 4
Dependent Claim
79 words
An antenna mechanism for a non-contact IC card system for communication with a non-contact IC card passing a gate, said antenna mechanism comprising: an antenna including at least a receiving antenna; a conductive shielding body located on an outer side of a gate to eliminate a communication area outside the gate by shielding electromagnetic waves from said antenna; and ground means for connecting said conductive shielding body to a ground having the same electric potential as said receiving antenna.
Claim 5
Dependent Claim
74 words
An antenna mechanism for a non-contact IC card system for communication with a non-contact IC card passing a gate, said antenna mechanism comprising: an antenna for communicating with a non-contact IC card passing a gate: a conductive shielding body located on an outer side of the gate to eliminate a communication area outside the gate by shielding electromagnetic waves from said antenna; and an insulating antenna mounting support on which said antenna is mounted.
Claim 6
Dependent Claim
74 words
An antenna mechanism for a non-contact IC card system for communication with a non-contact IC card passing a gate, said antenna mechanism comprising: an antenna for communicating with a non-contact IC card passing a gate: a conductive shielding body located on an outer side of the gate to eliminate a communication area outside the gate by shielding electromagnetic waves from said antenna; and an insulating antenna mounting support on which said antenna is mounted.
Claim 7
Dependent Claim
16 words
The antenna mechanism of claim 3, wherein said insulating antenna mounting support comprises a wood material.
Claim 8
Dependent Claim
16 words
The antenna mechanism of claim 3, wherein said insulating antenna mounting support comprises a plastic material.
Claim 9
Dependent Claim
16 words
The antenna mechanism of claim 3, wherein said insulating antenna mounting support comprises a glass material.
Claim 10
Dependent Claim
16 words
The antenna mechanism of claim 3, wherein said insulating antenna mounting support comprises a resin material.
Claim 11
Dependent Claim
42 words
The antenna mechanism of claim 3, wherein said insulating antenna mounting support comprises first and second insulating members, wherein said conductive shielding body is mounted to said first and second insulating members and said antenna is mounted inside said conductive shielding body.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2001-11-16 | 2002-05-18 | 2002-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2005-11-16 | 2006-05-18 | 2006-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2009-11-16 | 2010-05-18 | 2010-11-17 | $7700.00 | Window Closed / Lapsed |