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US5148404A Expired / Lapsed US ⏱️ 0.0 years remaining

Transponder and method for the production thereof

Assignee: Texas Instruments Inc
•
Filing: 1991-10-09
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Granted: 1992-09-15
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Expires: 2011-10-09
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Abstract

Abstract The invention relates to a transponder comprising a closed glass casing in which electrical components are placed, wherein the glass incorporates iron oxide, a method for the production of such a transponder, the use of iron oxide in the glass of a closed glass casing of a transponder and a method for the identification of animals with the use of such a transponder.

Inventors

  • 👤 Henk Hilferink
  • 👤 Anne A. Tip
  • 👤 Henk Velten

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 10:28
CPC Classifications
G; G06; G06K; G06K19/00; G06K19/04; G06K19/041; G06K19/047; A; A01; A01K; A01K11/00; A01K11/006; G06K19/06; G06K19/067; G06K19/07; G06K19/077; G06K19/07749

Claims Analysis

Total Claims: 15
Claim 1
Independent Claim 20 words
Transponder comprising a closed glass casing in which electrical components are placed, characterised in that the glass incorporates iron oxide.
Claim 2
Dependent Claim 20 words
Transponder comprising a closed glass casing in which electrical components are placed, characterised in that the glass incorporates iron oxide.
Claim 3
Dependent Claim 17 words
Transponder according to claim 1 characterised in that the iron oxide comprises Fe 2 O 3 .
Claim 4
Dependent Claim 22 words
Transponder according to one of the preceding claims, characterised in that the glass comprises between 1 and 5% by weight iron oxide.
Claim 5
Dependent Claim 60 words
Transponder according to claim 3, characterised in that the glass furthermore comprises about 70% by weight SiO 2 , 1-2% by weight B 2 O 3 , 0-5% by weight Al 2 O 3 , 0-15% by weight Na 2 O 3 , 0-5% by weight K 2 O 3 , 0-5% by weight CaO and 0-3% by weight BaO.
Claim 6
Dependent Claim 14 words
A transponder according to claim 1 characterized in that the glass comprises crystalline glass.
Claim 7
Independent Claim 32 words
A method for the production of a transponder comprising the steps of providing a tubular glass casing, introducing therein said electrical component, heat sealing of at least one end of said glass.
Claim 8
Independent Claim 32 words
A method for the production of a transponder comprising the steps of providing a tubular glass casing, introducing therein said electrical component, heat sealing of at least one end of said glass.
Claim 9
Dependent Claim 15 words
The method according to claim 6, characterized in that the heat sealing comprises infrared welding.
Claim 10
Dependent Claim 16 words
The method according to claim 6, characterized in that the heat sealing comprises high frequency welding.
Claim 11
Dependent Claim 15 words
Use of iron oxide in the glass of a closed glass casing of a transponder.
Claim 12
Dependent Claim 15 words
Use of iron oxide in the glass of a closed glass casing of a transponder.
Claim 13
Dependent Claim 13 words
The transponder of claim 1, wherein said transponder is used to identify animals.
Claim 14
Dependent Claim 15 words
The transponder of claim 1, wherein said closed glass casing of said transponder is green.
Claim 15
Dependent Claim 17 words
The method of claim 6 and further comprising the step of using said transponder to identify animals.

References Cited (Backward Citations)

US5025550A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1995-09-15 1996-03-16 1996-09-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1999-09-15 2000-03-16 2000-09-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2003-09-15 2004-03-16 2004-09-15 $7700.00 Window Closed / Lapsed

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