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EP0385502A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Electric power transmitting device with inductive coupling

Assignee: Denso Corp
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Filing: 1990-03-02
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Granted: —
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Expires: 2010-03-02
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Abstract

Abstract An electric power transmitting device transmits electric energy from one coil to another coil through an inductive coupling therebetween. One of the coils has an end bent in the axial direction of the coil. When the other coil is to be inserted into said one coil, it can be inserted in not only the axial direction of said one coil, but also a direction transverse to the axial direction through the bent end of the coil. Said one of the coils is typically housed in a holder, and the other coil in the grip of a gun-shaped, hand-held bar-code scanner. When the grip is inserted into a groove defined in the holder, the coils are magnetically coupled to each other, thus providing an inductive coupling. The bar-code scanner can easily be placed on and removed from the holder.

Inventors

  • 👤 Naoki Ishii
  • 👤 Toshikazu Ina
  • 👤 Koji Mori
  • 👤 Katsunori Ito
  • 👤 Shigenori Asai

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-26 13:46
CPC Classifications
G; G06; G06K; G06K7/00; G06K7/10; G06K7/10544; G06K7/10821; G06K7/10881; H; H02; H02J; H02J50/00; H02J50/10; H02J50/005; H02J7/00; H02J7/70; H02J7/731; Y; Y10; Y10S; Y10S336/00; Y10S336/02; Y10S439/00; Y10S439/95

Claims Analysis

Total Claims: 13
Claim 1
Independent Claim 152 words
An electric power transmitting device comprising: a first coil; a second coil which can be combined with said first coil to provide an inductive coupling therebetween; means for supplying a current which is variable in magnitude with time to said first coil to induce an electric current across said second coil through said inductive coupling; one of said first and second coils having a bent portion extending along the axial direction of said one of the coils; the other of said first and second coils being insertable into said one of the coils through sand bent portion; and the arrangement being such that said first and sec­ond coils can be disposed in substantially one plane, and said other of the coils can be moved into and out of said one of the coils in the axial direction of said one of the coils and in a direction transverse to said axial direction.
Claim 2
Dependent Claim 152 words
An electric power transmitting device comprising: a first coil; a second coil which can be combined with said first coil to provide an inductive coupling therebetween; means for supplying a current which is variable in magnitude with time to said first coil to induce an electric current across said second coil through said inductive coupling; one of said first and second coils having a bent portion extending along the axial direction of said one of the coils; the other of said first and second coils being insertable into said one of the coils through sand bent portion; and the arrangement being such that said first and sec­ond coils can be disposed in substantially one plane, and said other of the coils can be moved into and out of said one of the coils in the axial direction of said one of the coils and in a direction transverse to said axial direction.
Claim 3
Dependent Claim 32 words
An electric power transmitting device according to claim 1, wherein said one of the coils is of a rectangu­lar shape, said bent portion being on one longitudinal end of said one coil.
Claim 4
Dependent Claim 44 words
An electric power transmitting device according to claim 2, wherein said one of the coils has another bent portion extending along the axial direction of said one of the coils, said other bent portion being on the other longi­tudinal end of said one coil.
Claim 5
Dependent Claim 17 words
An electric power transmitting device according to claim 1, wherein bent portion comprises an arcuately curved portion.
Claim 6
Dependent Claim 126 words
A manually operable device and holder combina­tion comprising: a manually operable device; a first coil disposed in said manually operable device; a secondary battery disposed in said manually oper­able device and electrically chargeable by an electric cur­rent induced across said first coil; a holder for holding said manually operable device; means defining a groove in said holder, said manu­ally operable device being insertable into said groove in two substantially perpendicular directions; a second coil disposed in said holder along said groove, said second coil having a bent portion extending transverse around said groove, said bent portion being bent in one of said two substantially perpendicular directions; and an electric power transmitter for supplying said second coil with an electric current which varies in magni­tude with time.
Claim 7
Dependent Claim 126 words
A manually operable device and holder combina­tion comprising: a manually operable device; a first coil disposed in said manually operable device; a secondary battery disposed in said manually oper­able device and electrically chargeable by an electric cur­rent induced across said first coil; a holder for holding said manually operable device; means defining a groove in said holder, said manu­ally operable device being insertable into said groove in two substantially perpendicular directions; a second coil disposed in said holder along said groove, said second coil having a bent portion extending transverse around said groove, said bent portion being bent in one of said two substantially perpendicular directions; and an electric power transmitter for supplying said second coil with an electric current which varies in magni­tude with time.
Claim 8
Dependent Claim 58 words
A manually operable device and holder combina­tion according to claim 5, wherein said manually operable device includes a grip, said first coil being housed in said grip and disposed along a side surface thereof, said groove extending obliquely vertically for receiving said side sur­face of the grip, said bent portion being disposed near one end of said groove.
Claim 9
Dependent Claim 57 words
A manually operable device and holder combina­tion according to claim 5, wherein said manually operable device includes a grip, said first coil being housed in said grip and disposed along a bottom surface thereof, said groove extending horizontally for receiving said bottom sur­face of the grip, said bent portion being disposed near one end of said groove.
Claim 10
Dependent Claim 136 words
A hand-held bar-code scanner and holder combina­tion comprising: a gun-shaped hand-held bar-code scanner having a grip; a first coil disposed in said grip of the bar-code scanner; a secondary battery disposed in said bar-code scan­ner and electrically chargeable by an electric current induced across said first coil; a holder for holding said grip of the bar-code scanner; means defining a groove in said holder, said grip of the bar-code scanner being insertable into said groove in at least two substantially perpendicular directions; a second coil disposed in said holder along said groove; an electric power transmitter for supplying said second coil with an electric current which varies in magni­tude with time; and the arrangement being such that said first and sec­ond coils are positioned in substantially one plane when said grip is received in said groove.
Claim 11
Dependent Claim 136 words
A hand-held bar-code scanner and holder combina­tion comprising: a gun-shaped hand-held bar-code scanner having a grip; a first coil disposed in said grip of the bar-code scanner; a secondary battery disposed in said bar-code scan­ner and electrically chargeable by an electric current induced across said first coil; a holder for holding said grip of the bar-code scanner; means defining a groove in said holder, said grip of the bar-code scanner being insertable into said groove in at least two substantially perpendicular directions; a second coil disposed in said holder along said groove; an electric power transmitter for supplying said second coil with an electric current which varies in magni­tude with time; and the arrangement being such that said first and sec­ond coils are positioned in substantially one plane when said grip is received in said groove.
Claim 12
Dependent Claim 48 words
A hand-held bar-code scanner and holder combina­tion according to claim 8, wherein said first coil is dis­posed along a side surface of said grip, said groove extending obliquely vertically for receiving said side sur­face of the grip, said bent portion being disposed near one end of said groove.
Claim 13
Dependent Claim 48 words
A hand-held bar-code scanner and holder combi­nation according to claim 8, wherein said first coil is dis­ posed along a bottom surface of said grip, said groove extending horizontally for receiving said bottom surface of the grip, said bent portion being disposed near one end of said groove.

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