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Transponder configuration, tire including a transponder, and method of producing a tire having a transponder

Strache, Wolfgang ; Behrends, Holger ; et al.
2006
Online Patent
Zugriff:
View record in USPTO Patent Grants (Volltext)

A transponder to be fitted in or on a surface of an article which is substantially formed of a rubber product, in particular a transponder to be fitted in a tire, has a dipole antenna. The antenna length Lair, wherein air is exclusively present as the transmission medium, is calculated with the equation Lair=0.5×c/f, wherein c is the speed of light and f is the transmission frequency. In order to achieve a long transmission range, the transponder in the rubber product has an antenna length Lkp between 0.45×Lair and 0.90×Lair, preferably substantially between 0.61×Lair and 0.71×Lair.

Titel:
Transponder configuration, tire including a transponder, and method of producing a tire having a transponder
Autor/in / Beteiligte Person: Strache, Wolfgang ; Behrends, Holger ; Recker, Carla ; Baumgarten, Rainer ; Wulf, Andreas ; Jenke, Roland ; Fidan, Sadettin ; Campsheide, Olaf
Link:
Veröffentlichung: 2006
Medientyp: Patent
Sonstiges:
  • Nachgewiesen in: USPTO Patent Grants
  • Sprachen: English
  • Patent Number: 7,151,495
  • Publication Date: December 19, 2006
  • Appl. No: 10/447414
  • Application Filed: May 29, 2003
  • Assignees: Continental Aktiengesellschaft (Hannover, DE)
  • Claim: 1. A transponder configuration, comprising: a transponder configured to be fitted in a location selected from the group consisting of a location in an article substantially formed of a rubber product and a location on a surface of an article substantially formed of a rubber product; said transponder having a dipole antenna, said dipole antenna defining a calculated antenna length L air for a case when only air is present as a transmission medium, the calculated antenna length L air resulting from an equation L air =0.5×c/f, where c is a speed of light and f is a transmission frequency; and said dipole antenna having an antenna length L kp between 0.45×L air and 0.90×L air .
  • Claim: 2. The transponder configuration according to claim 1 , wherein said dipole antenna has an antenna length L kp substantially between 0.61×L air and 0.71×L air .
  • Claim: 3. The transponder configuration according to claim 1 , wherein the transmission frequency f is between 868 Mhz and 928 MHz.
  • Claim: 4. The transponder configuration according to claim 1 , wherein said dipole antenna is formed of a material selected from the group consisting of a steel and a steel alloy.
  • Claim: 5. The transponder configuration according to claim 1 , wherein said dipole antenna is formed of a beryllium-copper alloy.
  • Claim: 6. The transponder configuration according to claim 1 , wherein said dipole antenna has a surface coated with brass.
  • Claim: 7. The transponder configuration according to claim 1 , wherein: said dipole antenna is substantially formed of steel; a brass layer covers said dipole antenna; and a silver layer is disposed between said steel and said brass layer.
  • Claim: 8. The transponder configuration according to claim 1 , wherein: said transponder includes a transponder chip; and said dipole antenna is connected to said transponder chip via welded connections.
  • Claim: 9. The transponder configuration according to claim 1 , wherein: said transponder includes a transponder chip having a connection region for connecting said dipole antenna to said transponder chip; and said transponder chip and said connection region is disposed in one of a housing and a protective material.
  • Claim: 10. The transponder configuration according to claim 1 , wherein said dipole antenna includes a plurality of filaments selected from the group consisting of elastically deformable filaments and plastically deformable filaments.
  • Claim: 11. The transponder configuration according to claim 1 , including: an electrically conductive material selected from the group consisting of an electrically conductive rubber blend and an electrically conductive elastomer blend; said dipole antenna including a plurality of filaments; and said filaments being in connection with one another via said electrically conductive material.
  • Claim: 12. The transponder configuration according to claim 1 , including: an electrically nonconductive material; and said transponder being entirely embedded in said electrically nonconductive material.
  • Claim: 13. The transponder configuration according to claim 12 , wherein said electrically nonconductive material is a material selected from the group consisting of a rubber blend and a thermoplastic elastomer.
  • Claim: 14. The transponder configuration according to claim 1 , wherein said dipole antenna has a surface coated with a nonconductive varnish.
  • Claim: 15. A tire configuration, comprising: a tire having a surface; a transponder disposed at a location selected from the group consisting of a location in said tire and a location on said surface of said tire; said transponder having a dipole antenna, said dipole antenna defining a calculated antenna length L air for a case when only air is present as a transmission medium, the calculated antenna length L air resulting from an equation L air =0.5×c/f, where c is a speed of light and f is a transmission frequency; and said dipole antenna having an antenna length L kp between 0.45×L air and 0.90×L air .
  • Claim: 16. The tire configuration according to claim 15 , wherein: said tire has a tire bead region; and said transponder is disposed in said tire bead region.
  • Claim: 17. The tire configuration according to claim 15 , wherein: said tire has an apex region; and said transponder is disposed in said apex region.
  • Claim: 18. The tire configuration according to claim 15 , wherein said dipole antenna has an antenna length L kp substantially between 0.61×L air and 0.71×L air .
  • Claim: 19. The tire configuration according to claim 15 , wherein the transmission frequency f is between 868 Mhz and 928 MHz.
  • Claim: 20. A method of producing a tire configuration, the method which comprises: providing a transponder with a dipole antenna having an antenna length L kp between 0.45×L air and 0.90×L air , with L air being a calculated antenna length for a case when only air is present as a transmission medium, the calculated antenna length L air resulting from an equation L air =0.5×c/f, where c is a speed of light and f is a transmission frequency; and disposing the transponder in an apex region of a tire when building the tire on an apexing machine.
  • Current U.S. Class: 343/713
  • Patent References Cited: 4763133 August 1988 Takemura et al. ; 5818385 October 1998 Bartholomew ; 6121932 September 2000 McCoy et al. ; 6630910 October 2003 Forster et al. ; 2003/0156024 August 2003 Beckley ; 02/13309 February 2002
  • Assistant Examiner: Cabucos, Marie Antoinette
  • Primary Examiner: Wong, Don
  • Attorney, Agent or Firm: Greenberg, Laurence A. ; Stemer, Werner H. ; Locher, Ralph E.

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