USRE42410E1 - Adapter, memory card, and memory card module - Google Patents

Adapter, memory card, and memory card module Download PDF

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Publication number
USRE42410E1
USRE42410E1 US12/650,840 US65084004A USRE42410E US RE42410 E1 USRE42410 E1 US RE42410E1 US 65084004 A US65084004 A US 65084004A US RE42410 E USRE42410 E US RE42410E
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United States
Prior art keywords
memory card
adapter
adapter body
terminal portion
memory
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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US12/650,840
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English (en)
Inventor
Hiroyuki Yamada
Masayoshi Yano
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Panasonic Corp
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Panasonic Corp
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Publication date
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Priority to US12/650,840 priority Critical patent/USRE42410E1/en
Assigned to PANASONIC CORPORATION reassignment PANASONIC CORPORATION CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). Assignors: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
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Publication of USRE42410E1 publication Critical patent/USRE42410E1/en
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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
    • G06K19/0772—Physical layout of the record carrier
    • G06K19/07732—Physical layout of the record carrier the record carrier having a housing or construction similar to well-known portable memory devices, such as SD cards, USB or memory sticks
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
    • G06K19/07737—Constructional details, e.g. mounting of circuits in the carrier the record carrier consisting of two or more mechanically separable parts
    • G06K19/07739—Constructional details, e.g. mounting of circuits in the carrier the record carrier consisting of two or more mechanically separable parts comprising a first part capable of functioning as a record carrier on its own and a second part being only functional as a form factor changing part, e.g. SIM cards type ID 0001, removably attached to a regular smart card form factor
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
    • G06K19/07743—External electrical contacts
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/0013—Methods or arrangements for sensing record carriers, e.g. for reading patterns by galvanic contacts, e.g. card connectors for ISO-7816 compliant smart cards or memory cards, e.g. SD card readers
    • G06K7/0021—Methods or arrangements for sensing record carriers, e.g. for reading patterns by galvanic contacts, e.g. card connectors for ISO-7816 compliant smart cards or memory cards, e.g. SD card readers for reading/sensing record carriers having surface contacts
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/11—Printed elements for providing electric connections to or between printed circuits
    • H05K1/117—Pads along the edge of rigid circuit boards, e.g. for pluggable connectors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S439/00—Electrical connectors
    • Y10S439/945—Adapter for pcb or cartridge

Definitions

  • the present invention relates to an adapter to be attached to a memory card for changing the external shape such that it can be inserted into a memory card insertion section of specific type equipment, a memory card structured enabling it to be housed in the adapter, and a memory card module including the memory card and the adapter.
  • a memory card has various sizes.
  • an SD memory card which has been recently developed has a size of a stamp (for example, see Japanese Laid-Open Publication No. 2001-134730).
  • FIG. 12 shows a structure of a conventional memory card 400 .
  • the memory card 400 may be, for example, an SD memory card.
  • the memory card 400 includes a memory card body 41 , a contact terminal 42 , and a write enable/disable setting member 50 included in a write protect mechanism.
  • the memory card body 41 incorporates a printed circuit board and a semiconductor memory.
  • the semiconductor memory is provided on the printed circuit board.
  • a notch portion 43 is formed on a side surface of the memory card body 41 . The notch portion 43 is formed, so that the memory card 400 is prevented from being erroneously inserted into a memory card insertion section of specific type equipment.
  • a projecting portion 44 In the memory card body 41 , a projecting portion 44 , step portions 45 , a rib portion 46 , recessed portion 48 , and a notch portion 49 are further formed.
  • the projecting portion 44 has a width slightly smaller than the memory card body 41 and has a thickness greater than the memory card body 41 .
  • the step portions 45 are formed on side surfaces on both sides of the memory card body 41 . Each of the step portions 45 has thickness D.
  • the step portions 45 are formed so as to fit onto step portions formed inside a memory card insertion section of specific type equipment. When the memory card 400 is inserted into a memory card insertion section of specific type equipment, the step portions 45 are guided with step portions formed inside a memory card insertion section of specific type equipment.
  • the rib portion 46 a plurality of projecting portions are formed.
  • the recessed portion 48 is formed on a side surface on one side of the memory card body 41 enabling it to fit onto a projecting portion formed inside a memory card insertion section of specific type equipment. Since the recessed portion 48 fits onto the projecting portion, the memory card 400 is prevented from being easily detached from the memory card insertion section of the specific type equipment.
  • the notch portion 49 is formed on a side surface on one side of the memory card body 41 .
  • the notch portion 49 is formed on the side surface opposite to the side surface having the recessed portion 48 formed thereon.
  • the write enable/disable setting member 50 is fitted into the notch portion 49 so as to be slidable with respect to the memory card body 41 .
  • the write enable/disable setting member 50 is arranged such that it is selected to be in either the first position or the second position. At the first position, a part of the write enable/disable setting member 50 covers a part of the notch portion 49 . At the second position, a part of the write enable/disable setting member 50 covers the other part of the notch portion 49 .
  • the write protect mechanism sets whether to enable or disable writing of data into the semiconductor memory in accordance with the position of the write enable/disable setting member 50 .
  • the write protect mechanism can mechanically set whether to enable or disable writing of data into the memory card in accordance with the position of the write enable/disable setting member 50 .
  • the external shape of the write enable/disable setting member 50 is formed substantially integral to the external shape of the memory card body 41 .
  • the contact terminal 42 is located on the printed circuit board incorporated in the memory card body 41 and electrically connected to the semiconductor memory.
  • the contact terminal 42 is formed so as to be electrically connected to a terminal portion of specific type equipment when the memory card 400 is inserted into a memory card insertion section of the specific type equipment.
  • the contact terminal 42 is exposed to the outside of the memory card 400 from spaces between the plurality of projecting portions formed in the rib portion 46 .
  • Recent enhancement in integration and density of a semiconductor memory enables implementation of a memory card which has a smaller size and a higher capacity compared to the conventional SD memory card and which is adapted for multifunction. For example, a mini SD memory card which is smaller than the conventional SD memory card has been implemented.
  • a write protect mechanism On a side surface of a conventional SD memory card, a write protect mechanism is provided. On a side surface of a SD memory card module including a mini SD memory card and an adapter, a write protect mechanism must also be provided. However, a mini SD memory card should be thin, and should also have a small area. Thus, a write protect mechanism cannot be provided in a mini SD card. If a write protect mechanism is provided in an adapter, there may be a restriction in shape of the memory card to be housed in the adapter body.
  • the objective of the present invention is to provide an adapter to be attached to a memory card for changing the external shape without electrically setting whether to enable or disable writing of data into the memory card, a memory card structured enabling it to be housed in the adapter, and a memory card module including the memory card and the adapter.
  • An adapter of the present invention is an adapter to be attached to a memory card for changing an external shape such that it can be inserted into a memory card insertion section of specific type equipment, comprising: an adapter body for defining a space housing the memory card; a write protect mechanism including a write enable/disable setting member which is slidable with respect to the adapter body; and a terminal portion located in the adapter body, which is formed so as to be electrically connected to a terminal portion of the memory card when the memory card is housed in the adapter body, wherein the write protect mechanism sets whether to enable or disable writing of data into the memory card in accordance with the position of the write enable/disable setting member, thereby achieving the above-described objective.
  • a notch portion may be formed on a side surface of the adapter body; the write enable/disable setting member may be arranged such that either a first position or a second position is selected; a part of the write enable/disable setting member may cover a part of the notch portion at the first position; and the part of the write enable/disable setting member may cover the other part of the notch portion at the second position.
  • the write protect mechanism may be formed so as to protrude from a side surface on one side of the adapter body to an inner space of the adapter body.
  • a terminal portion of the memory card may include N terminals; a terminal portion of the adapter may include M terminals which is less than N; and the terminal portion of the adapter may be formed such that the predetermined M terminals among N terminals included in the terminal portion of the memory card respectively contact with the M terminals included in the terminal portion of the adapter when the memory card is housed in the adapter body.
  • a step portion may be provided in the adapter body, and the step portion may be formed enabling it to fit onto a guide provided on at least a part of side surfaces on both sides of the memory card.
  • the adapter body may be formed such that a part of the memory card is exposed from the adapter body when the memory card is housed in the adapter body.
  • a memory card of the present invention is a memory card structured enabling it to be housed in an adapter, wherein: the adapter has an adapter body for defining a space for housing the memory card and a write protect mechanism for setting whether to enable or disable writing of data into the memory card; the write protect mechanism is formed so as to protrude from a side surface on one side of the adapter body into an inner space of the adapter body; the memory card comprises a memory portion to which data can be written, and a terminal portion electrically connected to the memory portion; and a notch portion is formed on a side surface on one side of the memory card so as to conform to a shape of the write protect mechanism of the adapter, thereby achieving the above-described objective.
  • a guide may be formed in at least a part of side surfaces on both sides of the memory card, and the guide may be formed enabling it to fit onto a step portion formed inside the adapter body.
  • a projecting portion maybe provided in at least part of at least one of inner side surfaces of the adapter body, and at least one of the side surfaces on both sides of the memory card may be formed enabling it to fit onto the projecting portion.
  • the adapter body may be formed such that a part of the memory card is exposed from the adapter body when the memory card is housed in the adapter body, and a groove may be formed in a part of the memory card which is exposed.
  • a memory card module of the present invention is a memory card module comprising: an adapter to be attached to a memory card for changing an external shape such that it can be inserted into a memory card insertion section of specific type equipment; and the memory card, wherein: the adapter comprises an adapter body for defining a space for housing the memory card, a write protect mechanism including a write enable/disable setting member which is slidable with respect to the adapter body, and a terminal portion located in the adapter body, which is formed so as to be electrically connected to a terminal portion of the memory card when the memory card is housed in the adapter body; the write protect mechanism sets whether to enable or disable writing data into the memory card in accordance with the position of the write enable/disable setting member; the memory card housed in the adapter body comprises a memory portion to which data can be written, and a terminal portion electrically connected to the memory portion; and a notch portion is formed on a side surface on one side of the memory card so as to conform to a shape of the write
  • FIG. 1A shows a structure of an adapter 100 according to the embodiment of the present invention
  • FIG. 1B shows the inside of an adapter body 20 ;
  • FIG. 2 shows a cross-section of the adapter 100 and a memory card 200 ;
  • FIG. 3 shows the details of a write protect mechanism including a write enable/disable setting member 28 ;
  • FIG. 4 shows a cross-section of the write protect mechanism including the write enable/disable setting member 28 ;
  • FIG. 5A shows the write enable/disable setting member 28 covering the left-hand side of a notch portion 27 ;
  • FIG. 5B shows the write enable/disable setting member 28 covering the right-hand side of the notch portion 27 ;
  • FIG. 6A shows a front view of a memory card 200 according to the embodiment of the present invention.
  • FIG. 6B shows a side surface on the contact terminal side of the memory card 200 according to the embodiment of the present invention.
  • FIG. 6C shows a side surface on the side opposite to the contact terminal of the memory card 200 according to the embodiment of the present invention
  • FIG. 6D shows a left-hand side surface of the memory card 200 according to the embodiment of the present invention.
  • FIG. 6E shows a right-hand side surface of the memory card 200 according to the embodiment of the present invention.
  • FIG. 7 shows an inner structure of the memory card 200 .
  • FIG. 8 shows a cross-sectional view of the memory card 200 ;
  • FIG. 9 shows a circuit structure of the memory card 200 .
  • FIG. 10A shows a structure of a memory card module 300 including the adapter 100 and the memory card 200 ;
  • FIG. 10B shows an A-A cross section along line A-A shown in FIG. 10A ;
  • FIG. 10C shows a B-B cross section along line B-B shown in FIG. 10A ;
  • FIG. 10D shows a C-C cross section along line C-C shown in FIG. 10A ;
  • FIG. 11 is an enlargement view of a circled portion E shown in FIG. 10B ;
  • FIG. 12 shows a structure of a conventional memory card 400 .
  • FIG. 1A shows a structure of an adapter 100 according to the embodiment of the present invention.
  • the adapter 100 attaches to a memory card 200 of the present invention for changing an external shape such that the memory card 200 can be inserted into a memory card insertion section of equipment adapted to a conventional memory card 400 .
  • the details of the memory card 200 of the present invention will be described below.
  • the adapter 100 includes an adapter body 20 , a contact terminal 22 , and a write enable/disable setting member 28 included in a write protect mechanism.
  • a notch portion 23 is formed on a side surface of the adapter body 20 .
  • the notch portion 23 is formed, so that the adapter 100 can be prevented from being erroneously inserted into a memory card insertion section of the equipment adapted to a memory card 400 .
  • a notch portion 21 In the adapter body 20 , a notch portion 21 , a projecting portion 24 a, step portions 24 b, a plurality of rib portions 25 a, a recessed portion 26 , and a notch portion 27 are further formed.
  • the notch portion 21 is formed so that a part of the memory card 200 is exposed from the adapter body 20 when the memory card 200 is housed in the adapter body 20 .
  • the projecting portion 24 a has a width slightly smaller than the adapter body 20 and has a thickness greater than the adapter body 20 .
  • the step portions 24 b are formed on side surfaces on both side of the adapter body 20 .
  • Each of the step portions 24 b has thickness D.
  • the step portions 24 b are formed so as to fit onto step portions formed inside a memory card insertion section of the equipment adapted to the memory card 400 .
  • the step portions 24 b are guided with step portions formed inside a memory card insertion section of the equipment adapted to the conventional memory card 400 .
  • a plurality of slits 25 b are formed between the plurality of the rib portions 25 a.
  • the recessed portion 26 is formed on a side surface on one side of the adapter body 20 enabling it to fit onto a projecting portion formed inside a memory card insertion section of the equipment adapted to a memory card 400 . Since the recessed portion 26 fits onto the projecting portion, the adapter 100 is prevented from being easily detached from the memory card insertion section of the equipment adapted to a memory card 400 .
  • the notch portion 27 is formed on a side surface on one side of the adapter body 20 .
  • the notch portion 27 is formed on the side surface opposite to the side surface having the recessed portion 26 formed thereon.
  • the write enable/disable setting member 28 is fitted into the notch portion 27 so as to be slidable with respect to the adapter body 20 .
  • An external surface of the write enable/disable setting member 28 is formed substantially coplanar to an external surface of the adapter body 20 . The details of the write protect mechanism including the write enable/disable setting member 28 will be described below.
  • the contact terminal 22 is located on the adapter body 20 .
  • the contact terminal 22 is formed so as to be electrically connected to a terminal portion of the equipment adapted to the memory card 400 when the adapter 100 is inserted into a memory card insertion section of the equipment adapted to the memory card 400 .
  • the contact terminal 22 is exposed to the outside of the adapter 100 from spaces between the plurality of slits 25 b.
  • the contact terminal 22 includes nine terminals (terminals 22 a through 22 d and terminals 22 g through 22 k). The details of the nine terminals (terminals 22 a through 22 d and terminals 22 g through 22 k) will be described below.
  • An external shape of the adapter 100 is substantially the same as the external shape of the memory card 400 except for the notch portion 21 .
  • FIG. 1B shows the inside of the adapter body 20 .
  • a housing section 29 is a space for housing the memory card 200 defined by the adapter body 20 .
  • the housing section 29 is a space which conforms to the external shape of the memory card 200 .
  • a protruding portion 30 Inside the adapter body 20 , a protruding portion 30 , a step portion 31 a, a step portion 31 b, and a contact terminal 32 are provided.
  • the protruding portion 30 shows a write protect mechanism formed so as to protrude from a side surface on one side of the adapter body 20 into an inner space of the adapter body 20 .
  • the step portions 31 a and 31 b are formed so as to enable them to fit onto guides provided on a memory card.
  • the contact terminal 32 includes nine terminals (terminals 32 a through 32 d and terminals 32 g through 32 k). The details of the nine terminals (terminals 32 a through 32 d and terminals 32 g through 32 k) will be described below.
  • FIG. 2 shows a cross-section of the adapter 100 and the memory card 200 .
  • the contact terminal 22 is formed similarly to the contact terminal 42 included in the memory card 400 .
  • the contact terminal 22 is electrically connected to a terminal portion of the equipment adapted to the memory card 400 .
  • the contact terminal 22 includes nine terminals (terminals 22 a through 22 d and terminals 22 g through 22 k).
  • the contact terminal 32 When the memory card 200 is inserted into the adapter body 20 , the contact terminal 32 is electrically connected to a contact terminal 5 included in the memory card 200 .
  • the contact terminal 5 includes eleven terminals ( 5 a through 5 k).
  • the contact terminal 32 includes nine terminals (terminals 32 a through 32 d and terminals 32 g through 32 k). The interval between the nine terminals (terminals 32 a through 32 d and terminals 32 g through 32 k) are set such that the terminals 32 a through 32 d and terminals 32 g through 32 k can be connected to the nine terminals other than terminals 5 e and 5 f (terminals 5 a through 5 d and terminals 5 g through 5 k).
  • terminal 32 a serves as one end of a metal terminal and terminal 22 a serves as the other end of the terminal.
  • the number of terminals included in the terminal portion of the memory card 200 is not limited to eleven, and the number of terminals included in the terminal portion of the adapter 100 is not limited to nine.
  • the terminal portion of the adapter is formed such that a predetermined M terminals among N terminals included in the terminal portion of the memory card respectively contact with M terminals included in the terminal portion of the adapter when the memory card is housed in the adapter body, the terminal portion of the memory card may include N terminals and the terminal portion of the adapter may include M terminals which is less than N.
  • the contact terminal 5 included in the memory card 200 is connected to the terminal portion of the equipment adapted to the memory card 400 via such metal terminals without requiring a special conversion circuit or the like.
  • the adapter 100 may include elastic metal fittings 39 .
  • the metal fittings 39 are fitted into a side surface of the adapter body 20 so as to engage to a recessed portion 10 a of the memory card 200 .
  • the details of the recessed portion 10 a of the memory card 200 will be described below.
  • FIG. 3 shows the details of the write protect mechanism including the write enable/disable setting member 28 .
  • the write enable/disable setting member 28 which is slidable with respect to the adapter body 20 is formed of an operation portion 28 a, a detachment prevention portion 28 b and a slidable contact portion 28 c.
  • the operation portion 28 a is a slidable switch for manually sliding the write enable/disable setting member 28 .
  • the slidable contact portion 28 c connects the operation portion 28 a and the detachment prevention portion 28 b and also contacts and slides with respect to an elastic guide 33 . On the elastic guide 33 , a projecting portion 33 a is formed.
  • FIG. 4 shows a cross-section of the write protect mechanism including the write enable/disable setting member 28 .
  • a groove 35 is formed in a lower portion 20 a of the adapter body 20 .
  • a groove 34 is formed between an upper portion 20 b of the adapter body 20 and the elastic guide 33 .
  • the detachment prevention portion 28 b is fitted into the groove 34 and the groove 35 so as to be slidable.
  • a projecting portion 33 a is formed at substantially the center of the elastic guide 33 .
  • the projecting portion 33 a serves as an engagement portion to stop sliding of the write enable/disable setting member 28 with respect to the elastic guide 33 .
  • the slidable contact portion 28 c slides over the projecting portion 33 a and then is stopped at one side of the notch portion 27 .
  • the projecting portion 33 a enables both creating a tactile feeling when the write enable/disable setting member 28 slides and stopping the write enable/disable setting member 28 .
  • the tactile feeling can be adjusted by varying the degree of a protuberance of the projecting portion 33 a.
  • the write enable/disable setting member 28 is arranged such that it is selected to be in either the first position or the second position. At the first position, a part of the write enable/disable setting member 28 covers a part of the notch portion 27 . At the second position, a part of the write enable/disable setting member 28 covers another part of the notch portion 27 . An operation to change the position of the write enable/disable setting member 28 is performed by pinching the operation portion 28 a with fingers and sliding the operation portion 28 a right and left.
  • the write protect mechanism sets whether to enable or disable writing of data into a semiconductor memory in accordance with the position of the write enable/disable setting member 28 .
  • the write protect mechanism can mechanically set whether to enable or disable writing of data into a memory card in accordance with the position of the write enable/disable setting member 28 .
  • FIG. 5A shows the write enable/disable setting member 28 covering the left-hand side of the notch portion 27 .
  • the slidable contact portion 28 c slides over the projecting portion 33 a of the elastic guide 33 .
  • the write enable/disable setting member 28 covers the left-hand side of the notch portion 27 .
  • FIG. 5B shows the write enable/disable setting member 28 covering the right-hand side of the notch portion 27 .
  • the slidable contact portion 28 c slides over the projecting portion 33 a of the elastic guide 33 .
  • the write enable/disable setting member 28 covers the right-hand side of the notch portion 27 .
  • step portions 28 d are formed on both corners of the operation portion 28 a.
  • small recessed portions can be formed between the upper portion 20 b of the adapter body 20 and the operation portion 28 a.
  • the small recessed portions allow the fingers or nails to readily hook them.
  • the adapter body 20 serves as an “adapter body for defining a space for housing a memory card”.
  • the notch portion 27 and the write enable/disable setting member 28 serves as a “write protect mechanism including a write enable/disable setting member which is slidable with respect to the adapter body”.
  • the contact terminal 22 and the contact terminal 32 serve as a “terminal portion located on the adapter body, which is formed so as to be electrically connected to a terminal portion of a memory card when the memory card is housed in the adapter body”.
  • the adapter 100 is not limited to the example shown in FIGS. 1A and 1B .
  • the adapter 100 may have any structure as long as it has the functions of each portion described above.
  • the write protect mechanism sets whether to enable or disable writing of data into a memory card in accordance with the position of the write enable/disable setting member. Therefore, whether to enable or disable writing of data into a memory card can be mechanically set. As a result, the external shape of a memory card can be changed without electrically setting whether to enable or disable writing of data into a memory card.
  • FIG. 6A shows a front view of the memory card 200 according to the embodiment of the present invention.
  • the memory card 200 includes a case 1 and the contact terminal 5 .
  • the case 1 includes a lower side case 2 and an upper side case 3 (see FIG. 8 ).
  • the contact terminal 5 When the memory card 200 is inserted into predetermined equipment, the contact terminal 5 is electrically connected to a connection portion of the predetermined equipment.
  • the contact terminal 5 includes eleven terminals (terminals 5 a through 5 k).
  • the contact terminal 5 is provided near a front edge 1 a of the memory card 200 and is located on a substrate 4 (see FIG. 8 ) which is slightly lower than a surface of a planar portion of the memory card 200 .
  • the contact terminal 5 is exposed at window portion 2 a formed on a front side of the lower case 2 .
  • terminals 5 a through 5 k nine terminals other than the terminals 5 e and 5 f have similar functions as the contact terminal 42 of the memory card 400 .
  • the terminals 5 e and 5 f are terminals for adding functionality which the memory card 400 does not have.
  • the terminals 5 e and 5 f for adding functionality cooperate with the terminals 5 a through 5 d and the terminals 5 g through 5 k, and extension LSI 8 to perform operation to add functionality of the memory card 200 which will be described below.
  • the notch portion 9 is formed so as to conform to the shape of the write protect mechanism of the adapter 100 .
  • the notch portion 9 is formed so that the front edge 1 a is shorter than a rear edge 1 b and the front edge 1 a is biased to one side.
  • the notch portion 9 the recessed portion 10 a, a recessed portion 10 b, a guide 11 a, a guide 11 b and a groove 12 are formed.
  • the notch portion 9 may serve for detection of an erroneous insertion of the memory card 200 .
  • the notch portion 9 is formed at a front portion of the memory card 200 .
  • corners of the front portion which docs not have the notch portion 9 abut the protruding portion 30 formed inside the adapter body 20 , and thus the memory card 200 cannot be inserted into the adapter 100 securely.
  • the recessed portions 10 a and 10 b are formed so as to be able to be engaged to the elastic metal fittings 39 having projecting portions formed on the inner side surface of the adapter body 20 .
  • the elastic metal fittings 39 are fitted into a side surface of the adapter body 20 .
  • the guides 11 a and 11 b are provided on side surfaces on both sides of the memory card 200 in the front portion.
  • the guide 11 a is formed enabling it to fit onto the step portion 31 a formed inside the adapter body 20 .
  • the guide 11 b is formed enabling it to fit onto the step portion 31 b formed inside the adapter body 20 .
  • the guides 11 a and 11 b function to press the memory card 200 to the contact terminal 32 of the adapter 100 .
  • the guide 11 a fits onto the step portion 31 a and the guide 11 b fits onto the step portion 31 b.
  • the memory card 200 is guided such that the contact terminal 5 securely contacts with the contact terminal 32 .
  • the groove 12 is formed in a part of the memory card exposed from the adapter body 20 when the memory card 200 is housed in the adapter body 20 .
  • the groove 12 is formed near the rear edge 1 b and on a surface of the upper case 3 of the memory card 200 .
  • a portion in which the notch portion 9 is formed is not limited to a front portion of the memory card 200 .
  • the notch portion 9 may be formed anywhere as long as it avoids the portion where the write protect mechanism is provided in the adapter 100 .
  • a portion in which the guides 11 a and 11 b are provided is not limited to the front portion on the side surfaces on both sides of the memory card 200 .
  • the guides 11 a and 11 b may be provided in at least a part of the side surfaces on both sides of the memory card 200 as long as they function to press the memory card 200 to the contact terminal 32 of the adapter 100 .
  • a notch portion is formed on a side surface on one side of the memory card so as to conform to the write protect mechanism of the adapter. Therefore, the memory card of the present invention may be housed in the adapter so as to avoid the portion where the write protect mechanism is formed so as to protrude from the side surface on one side of the adapter body into an inner space of the adapter body. As a result, the memory card of the present invention is housed in the adapter securely.
  • FIG. 6B shows a side surface on the contact terminal side of the memory card 200 according to the embodiment of the present invention.
  • FIG. 6C shows a side surface on the side opposite to the contact terminal of the memory card 200 according to the embodiment of the present invention.
  • FIG. 6D shows a left-hand side surface of the memory card 200 according to the embodiment of the present invention.
  • FIG. 6E shows a right-hand side surface of the memory card 200 according to the embodiment of the present invention.
  • FIG. 7 shows an inner structure of the memory card 200 .
  • the memory card 200 further includes the substrate 4 , a semiconductor memory 6 composed of a flash memory and so on, a controller LSI 7 of the memory card 200 , and an extension LSI 8 including a functionality adding circuit.
  • the contact terminal 5 , the semiconductor memory 6 , the controller LSI 7 , and the extension LSI 8 are mounted on the substrate 4 by soldering or the like.
  • the contact terminal 5 , the semiconductor memory 6 , the controller LSI 7 , and the extension LSI 8 are connected to each other by wiring.
  • the substrate 4 has a multilayer structure. As required by the circuit structure, other chip components are appropriately mounted.
  • FIG. 8 shows a cross-sectional view of the memory card 200 .
  • the lower case 2 and the upper case 3 form the case of the memory card 200 .
  • a side wall portion 2 b having a projecting rib shape which is formed around the periphery of the lower case 2 and a side wall portion 3 a having a projecting rib shape which is formed around the periphery of the upper case 3 are fixed with an adhesive or by welding.
  • the substrate 4 is adhered on an inner surface of the lower case 2 .
  • the contact terminal 5 located on the substrate 4 which is opposite to a surface on which the semiconductor memory 6 is mounted, is exposed at the window portion 2 a formed in the lower case 2 .
  • FIG. 9 shows a circuit structure of the memory card 200 .
  • the memory card 200 further includes a memory 13 , a controller 14 , an authentication circuit 15 , an interface circuit 16 and an electronic card function section 17 .
  • the memory 13 is included in the semiconductor memory 6 .
  • the memory 13 includes a non-volatile data storage portion composed of a flash memory and an on, which can be read, written, and erased and can maintain stored contents when the power is shut off, and a storage portion which is randomly accessible.
  • the controller 14 is included in the controller LSI 7 .
  • the controller 14 performs control of accesses such as read, write, erase or the like to the data storage portion of the memory 13 .
  • the authentication circuit 15 performs mutual authentication with the equipment to which the memory card is mounted via the controller 14 and notifies the controller 14 of the results.
  • the interface circuit 16 is located between the contact terminal 5 and the controller 14 and performs input and output of data and control signal.
  • the electronic card function section 17 performs electronic banking and the like.
  • the controller 14 controls the electronic card function section 17 .
  • the contact terminal 5 connected to the interface circuit 16 can be divided into terminal groups 5 m and 5 n.
  • the terminal group 5 n includes the functionality adding terminals 5 e and 5 f.
  • the terminal group 5 m includes the other nine terminals.
  • the terminal group 5 m serves as a terminal having functions similar to a specific memory card.
  • the controller. 14 permits the equipment to access an authentication area in the memory 13 based on mutual authentication by the authentication circuit 15 .
  • the memory card 200 has functions as a semiconductor memory card preferable for protection of copyright of data.
  • the structure and the functions of the memory card 200 are similar to those of the memory card 400 .
  • the memory card 200 has an electronic card function as a functionality adding function in addition to the functions of the memory card 400 with the electronic card function section 17 and the terminal group 5 n.
  • Providing the functionality adding terminals 5 e and 5 f enables input and output of unique information as an interface for the electronic card function section 17 .
  • One of such functions is a non-contact electronic card function. With such a structure, a function which enables storage, reading, authentication and the like of information without providing a power supply to the memory card 1 is possible.
  • the memory card 200 when the memory card 200 is used for off-site electronic card banking, objects to be connected to the functionality adding terminals 5 e and 5 f of the terminal group 5 n are equipment with the memory card 200 mounted thereto, a coupler provided in a holder, or an antenna.
  • a data signal generated at the host equipment end is received by the coupler or the antenna.
  • the necessary information is received by the electronic card function section 17 from the received signal, and the necessary information is processed.
  • the coupler or antenna transmits/receives data signals between the host equipment end and the memory card 200 without direct contact.
  • the electronic card function section 17 is provided on the memory card 200 , and data signals are transmitted/received via the terminal group 5 m. With such structure, the memory card 200 has contact-type electronic card functions. By controlling the electronic card function section 17 by the controller 14 and inputting/outputting data via the terminal group 5 m so that the memory card 200 has multifunction or combined function, the memory card 200 can address an added functionality by the electronic card function section 17 .
  • the semiconductor memory 6 included in the memory card 200 which may be inserted into predetermined equipment and used serves as a “memory section to which data can be written”.
  • the contact terminal 5 serves as a “terminal portion electrically connected to the memory section”.
  • the notch portion 9 serves as a “notch portion formed so as to conform to the shape of the write protect mechanism of the adapter”.
  • the memory card 200 is not limited to that shown in FIGS. 6A and 7 .
  • the memory card 200 may have any structure as long as it has the functions of each part as described above.
  • FIG. 10A shows a structure of a memory card module 300 including the adapter 100 and the memory card 200 .
  • FIG. 10B shows an A-A cross section along line A-A shown in FIG. 10A .
  • FIG. 10C shows a B-B cross section along line B-B shown in FIG. 10A .
  • FIG. 10D shows a C-C cross section along line C-C shown in FIG. 10A .
  • the memory card 200 When the memory card 200 is inserted into the adapter body 20 , the memory card 200 is inserted from the insertion section of the housing portion 29 to reach the inner edge of the housing portion 29 .
  • the adapter 100 and the memory card 200 are integral.
  • the memory card 200 When the memory card 200 is inserted into the adapter body 20 , it can be inserted into a memory card insertion section of the equipment adapted to the memory card 400 . It is also possible to input/output data.
  • the memory card 200 can perform similar functions and operations as those of the memory card 400 by utilizing terminals other than the functionality adding terminals 5 e and 5 f of the memory card 200 .
  • the functionality adding portion will not be affected in this case, and it is not necessary to provide a conversion circuit or the like in the adapter body 20 . In this way, the memory card 200 and the memory card 400 are compatible.
  • the groove 12 formed near the rear edge of the memory card 200 is exposed from the notch portion 21 formed in an inlet edge portion of the housing portion 29 . Therefore, the memory card 200 can be easily removed from the adapter body 20 .
  • the adapter 100 may include elastic metal fittings 39 .
  • the elastic metal fittings 39 are fitted into a side surface of the adapter body 20 so as to engage the recessed portion 10 a of the memory card 200 .
  • the memory card 200 In the case where the memory card 200 is used by itself, it will be a memory card which is always rewritable. However, in the case where the memory card module 300 is used, it is possible to set to a state which disables writing by sliding the write enable/disable setting member 28 thereby setting whether to enable or disable writing. In the case where the memory card module 300 is inserted into the memory card insertion section of the equipment adapted to the memory card 400 , data written into the memory card 200 can be protected readily and securely.
  • FIG. 11 is an enlargement view of the circled portion E shown in FIG. 10B .
  • length A indicating the thickness of the adapter body 20 is 2.1 mm
  • length A 1 indicating the thickness of the step portion of the adapter body 20 is 1.4 mm
  • length A 2 indicating the thickness of the projecting portion of the adapter body 20 is 0.7 mm
  • length B indicating the thickness of the memory card 200 is 1.4 mm
  • length D 1 indicating the thickness of a lower wall surface 37 of the adapter body 20 is 0.2 mm
  • length D 2 indicating the thickness of an upper wall surface 38 of the adapter body 20 is 0.2 mm
  • length H 1 indicating a gap between the inner surface of the lower wall surface 37 of the adapter body 20 and the memory card 200 is 0.2 to 1.5 mm
  • length H 2 indicating a gap between the inner surface of the upper wall surface 38 of the adapter body 20 and the memory card 200 is 0.1 to 1.5 mm.
  • the memory card 200 is pressed by the terminal 32 with a pressure P 1 and the upper wall surface 38 is pressed against the memory card 200 .
  • the upper wall surface 38 having a thickness of length D 2 may deform. As a result, a problem that a normal contact pressure of the terminal 32 cannot be maintained occurs.
  • the memory card 200 does not press the upper wall surface 38 . This is because the guide 11 a of the memory card 200 is supported by the step portion 31 a of the adapter body 20 and the length H 2 is maintained. Thus, the deformation of the upper wall surface 38 can be prevented. As a result, a normal contact pressure of the terminal 32 can also be maintained.
  • the length H 1 may be the same as the length H 2 . Further, the length D 1 and the length D 2 may vary.
  • the length A, length A 1 , length A 2 and length B are predetermined based on specification of a memory card, and cannot be varied.
  • a write protect mechanism set whether to enable or disable writing of data into a memory card in accordance with a position of a write enable/disable setting member.
  • a notch portion is formed so as to conform to a shape of a write protect mechanism of an adapter on a side surface on one side of the memory card.
  • the memory card of the present invention can be housed in the adapter so as to avoid the portion where the write protect mechanism is formed so as to protrude from a side surface on one side of an adapter body into an inner space of the adapter body.
  • the memory card of the present invention is attempted to be inserted in an opposite direction, the memory card cannot avoid the portion where the write protect mechanism is provided.

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Engineering & Computer Science (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Storage Device Security (AREA)
  • Credit Cards Or The Like (AREA)
US12/650,840 2002-10-15 2003-10-14 Adapter, memory card, and memory card module Expired - Lifetime USRE42410E1 (en)

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JP2002-300098 2002-10-15
JP2002300098 2002-10-15
US49419103A 2003-10-14 2003-10-14
PCT/JP2003/013140 WO2004036491A1 (ja) 2002-10-15 2003-10-14 アダプタ、メモリカードおよびメモリカードモジュール
US12/650,840 USRE42410E1 (en) 2002-10-15 2003-10-14 Adapter, memory card, and memory card module

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WO2004036491A1 (ja) 2004-04-29
US7314388B2 (en) 2008-01-01
TW200419453A (en) 2004-10-01
US20050037671A1 (en) 2005-02-17
CN1685360B (zh) 2010-06-16
EP1553519A1 (en) 2005-07-13
JP4426971B2 (ja) 2010-03-03
JPWO2004036491A1 (ja) 2006-02-16
TWI329838B (en) 2010-09-01
EP1553519B1 (en) 2012-01-25
EP1553519A4 (en) 2008-08-27
CN1685360A (zh) 2005-10-19
KR20050058235A (ko) 2005-06-16

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