US20040237613A1 - Portable device with electronic key system and mechanical key system having downsized structure - Google Patents

Portable device with electronic key system and mechanical key system having downsized structure Download PDF

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Publication number
US20040237613A1
US20040237613A1 US10/837,646 US83764604A US2004237613A1 US 20040237613 A1 US20040237613 A1 US 20040237613A1 US 83764604 A US83764604 A US 83764604A US 2004237613 A1 US2004237613 A1 US 2004237613A1
Authority
US
United States
Prior art keywords
key
button
device body
portable device
emergency key
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.)
Abandoned
Application number
US10/837,646
Other languages
English (en)
Inventor
Tokio Shimura
Mitsuru Nakagawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Denso Corp
Original Assignee
Denso Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Denso Corp filed Critical Denso Corp
Assigned to DENSO CORPORATION reassignment DENSO CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: NAKAGAWA, MITSURU, SHIMURA, TOKIO
Publication of US20040237613A1 publication Critical patent/US20040237613A1/en
Abandoned legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B49/00—Electric permutation locks; Circuits therefor ; Mechanical aspects of electronic locks; Mechanical keys therefor
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00944—Details of construction or manufacture
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B19/00—Keys; Accessories therefor
    • E05B19/0082—Keys or shanks being removably stored in a larger object, e.g. a remote control or a key fob
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B19/00—Keys; Accessories therefor
    • E05B19/04—Construction of the bow or head of the key; Attaching the bow to the shank
    • E05B19/046—Construction of the bow or head of the key; Attaching the bow to the shank the shank being slidingly mounted on the bow, e.g. for storage
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B85/00—Details of vehicle locks not provided for in groups E05B77/00 - E05B83/00
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00944—Details of construction or manufacture
    • G07C2009/00952—Electronic keys comprising a mechanical key within their housing, e.g. extractable or retractable emergency key
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C2009/00968—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys shape of the data carrier
    • G07C2009/00992—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys shape of the data carrier mechanical key
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/80—Parts, attachments, accessories and adjuncts
    • Y10T70/8432—For key-operated mechanism
    • Y10T70/8676—Key holders

Definitions

  • the present invention is related to a mobile portable device having an electronic key system and a mechanical key system used for an entrance system or the like.
  • ID codes are identified between a mobile portable device carried by a user and an electronic device provided in a vehicle or the like by wireless communication in order to lock and unlock a door, for example.
  • an electronic key system is in practical use for permitting an engine starting operation in accordance with an identification result of ID codes between a portable device and an electronic device of a key mechanism of a vehicle, so as to enhance antitheft performance of a vehicle.
  • a vehicle has an entrance system having an electronic key system and a mechanical key system.
  • the electronic key system locks and unlocks the mechanical key system in accordance with the identification result of ID codes between the portable device and the electronic device of the vehicle.
  • the mechanical key system of the entrance system is locked and unlocked by a mechanical key plate of a portable device carried by a user.
  • an emergency key (mechanical key plate) is received in a receiving part formed in a device body of the portable device, in consideraton of a situation where battery power of the portable device is run out.
  • a lock mechanism is provided in the device body so that the emergency key is not easily pulled out of the receiving part of the device body.
  • FIG. 9A is a front view showing an example of a portable device and FIG. 9B is a side view showing the portable device according to a related art.
  • a device body 103 of the portable device 101 has a communication unit 400 for performing wireless communication with the electronic device of the vehicle.
  • the device body 103 of the portable device 101 also has a lock mechanism.
  • the lock mechanism includes a spring 107 and a sliding member 105 that is manually operated by a user.
  • the spring 107 urges (biases) the sliding member 105 in a predetermined direction.
  • a protrusion 105 a is formed in the sliding member 105 on the opposite side to the spring 107 .
  • the protrusion 105 a engages with an engaging slot 111 a of an emergency key 111 received in a receiving part 109 of the device body 103 , so as to restrict the emergency key 111 from being dropped out of the receiving part 109 .
  • the sliding member 105 is slid against urging force of the spring 107 , i.e., when the sliding member 105 is slid in a left direction in FIG. 9A, engagement between the protrusion 105 a of the sliding member 105 and the engaging slot 111 a of the emergency key 111 is released. In this situation, the emergency key 111 can be pulled out of the receiving part 109 of the device body 103 .
  • the lock mechanism is provided in the device body for detachably holding the emergency key in the receiving part of the device body. Accordingly, downsizing of the portable device is difficult, because the device body includes the lock mechanism. Additionally, the interior space of the plate-shaped emergency key having a predetermined thickness and a predetermined length is not used, and the emergency key becomes a dead space in the above structure.
  • a portable device is used for an entrance system that is locked and unlocked by an electronic system or by a mechanical system.
  • the portable device has a key, a device body and a lock mechanism.
  • the key mechanically engages with the entrance system in order to lock and unlock the entrance system.
  • the device body electrically instructs locking and unlocking the entrance system.
  • the device body has a receiving part for receiving the key.
  • the lock mechanism detachably holds the key in the receiving part.
  • the key has at least a part of the lock mechanism.
  • FIG. 1A is a perspective view showing a portable device in a normal condition where the portable device is carried by a user
  • FIGS. 1B-1D are perspective views showing the portable device in a using condition where an emergency key received in the portable device is used, according to the first embodiment in the present invention
  • FIG. 2A is a front view showing the emergency key
  • FIG. 2B is a right side view showing the emergency key
  • FIG. 2C is a rear view showing the emergency key
  • FIG. 2D is a partial cross-sectional view showing the emergency key taken along the line IID-IID in FIG. 2A;
  • FIG. 3A is a front view showing an emergency key
  • FIG. 3B is a right side view showing the emergency key
  • FIG. 3C is a rear view showing the emergency key
  • FIG. 3D is a partial cross-sectional view showing the emergency key taken along the line IIID-IIID in FIG. 3A, according to the second embodiment in the present invention
  • FIG. 4A is a front view showing an emergency key
  • FIG. 4B is a right side view showing the emergency key
  • FIG. 4C is a rear view showing the emergency key
  • FIG. 4D is a partial cross-sectional view showing the emergency key taken along the line IVD-IVD in FIG. 4A, according to the third embodiment in the present invention
  • FIG. 5A is a perspective view showing a portable device in a normal condition where the portable device is carried by a user
  • FIGS. 5B and 5C showing the portable device in a condition where an emergency key received in the portable device is used
  • FIG. 5D is a perspective view showing the emergency key, according to the fourth embodiment in the present invention
  • FIG. 6A is a perspective view showing a portable device in a normal condition where the portable device is carried by a user
  • FIGS. 6B and 6C showing the portable device in a condition where an emergency key received in the portable device is used
  • FIG. 6D is a perspective view showing the emergency key, according to the fifth embodiment in the present invention
  • FIG. 7 is a partially cross-sectional view showing a portable device and the emergency key, according to the sixth embodiment in the present invention.
  • FIG. 8A is a front view showing an emergency key
  • FIG. 8B is a right side view showing the emergency key
  • FIG. 8C is a rear view showing the emergency key
  • FIG. 8D is a partial cross-sectional view showing the emergency key taken along the line VIIID-VIIID in FIG. 8A, according to the seventh embodiment in the present invention
  • FIG. 9A is a front view showing a portable device using an electronic key system
  • FIG. 9B is a side view showing the portable device according to a related art
  • FIG. 10 is a schematic diagram showing a structure of an entrance system of a vehicle, which has a mechanical key system and an electronic key system, and a relationship between the entrance system and a mechanical key and a device body according to the related art.
  • a portable device is used as a small sized mobile electronic key unit used for an immobilizer system.
  • the portable system is used in an entrance system (FIG. 10) of the vehicle which has a mechanical key system and an electronic key system.
  • the mechanical key system of the entrance system is locked and unlocked when a mechanical emergency key engages with the mechanical key system for opening a door of the vehicle, for example.
  • the electronic key system electrically instructs locking and unlocking the mechanical key system of the entrance system in accordance with an identification result of ID codes between a device body of the portable device and an electronic device, such as the wireless communication circuit of a vehicle using the wireless communication method.
  • the portable device identifies between an ID code of the small sized electronic key unit (portable device) carried by a user and an ID code of the vehicle electronic device using the wireless communication, in order to lock and unlock a vehicle door, to permit an engine start or the like in accordance with the identification result of the ID codes.
  • a portable device 1 has a device body 3 formed in a substantially parallelepiped shape with a resinous material.
  • the device body 3 receives a communication unit 300 constructed with an antenna, an ID communication processing section, a battery, a transponder, and the like.
  • the antenna is used for performing wireless communication in order to identify ID codes between the portable device 1 and a communicating circuit provided in a vehicle electronic device.
  • the ID communication processing part is constructed with a transmitting/receiving circuit, a microcomputer and the like.
  • the battery energizes the ID communication processing section.
  • the transponder identifies the ID codes between the transponder and a transponder-transmitting/receiving circuit provided in the vehicle electronic device using an electromagnetic wireless communication, when the battery power is run out.
  • the device body 3 has a receiving part 7 for receiving an emergency key 5 which mechanically engages with the entrance system in order to lock and unlock the entrance system, and is mainly used when the battery power is run out.
  • the emergency key 5 is inserted into the receiving part 7 to be received in the receiving part 7 .
  • the receiving part 7 is formed inside a side face 3 a of the device body 3 , and is located along with the side face 3 a .
  • the emergency key 5 is inserted into a key cylinder provided in a vehicle door in order to lock and unlock the vehicle door, mainly when the battery of the portable device 1 is run out.
  • the emergency key 5 is inserted into another key cylinder provided in a passenger compartment of the vehicle for example, in order to switch an operating mode of the vehicle electronic device to an electromagnetic communication mode.
  • the ID codes are identified between the transponder of the portable device 1 and the transponder-transmitting/receiving circuit of the vehicle electronic device.
  • the emergency key 5 has a button 9 in the vicinity of the back end (upper end in FIG. 2A) of the emergency key 5 in which a recession 200 such as an elongated key groove, cuts and the like is not formed. That is, the button 5 is located in the substantially longitudinally opposite side with respect to a direction in which the emergency key is inserted into the key cylinder of the vehicle or the like. The button 9 is pushed in a direction from the outside of the emergency key 5 toward the inside of the emergency key 5 in the thickness direction of the emergency key 5 . In this situation, the button 5 is displaced from a reference position in which the button 5 is protruded from a front face (side face in the left side in FIG.
  • the emergency key 5 has a ring 11 on its back end.
  • the ring 11 can be used when the emergency key 5 is hooked on a key holder or the like, while the emergency key 5 is reserved or carried when the emergency key 5 is pulled out of the receiving part 7 of the portable device 1 .
  • the side face 3 a of the device body 3 forms a sidewall of the receiving part 7 .
  • the side face 3 a has a hole (first holding hole) 13 , with which the button 9 of the emergency key 5 engages, when the emergency key 5 is received in the receiving part 7 .
  • the emergency key 5 is constructed with a key body 15 , the ring 11 and a bracket 17 .
  • the key body 15 is a main body part of the emergency key 5 , and is formed in an elongated plate shape, for example.
  • the bracket 17 supports the button 9 located in the vicinity of the back end of the key body 15 , and holds the ring 11 located in the back end of the key body 15 .
  • the key body 15 has a key part K (FIG. 2A) in which the recession 200 is formed to mechanically engage with a key mechanism of the entrance system which is provided in the key cylinder behind the key hole of the vehicle, for example.
  • the key part K is a part of the key body 15 from the fore-end (lower end in FIG. 2) of the key body 15 to a part between the fore-end and the back end of the key body 15 .
  • the key body 15 has a slot 15 a (FIG. 2D) in the front face of the key body 15 , in which the button 9 is provided, in the vicinity of the back end of the key body 15 .
  • the key body 15 has a fitting hole 15 b on the opposite side (rear face) with respect to the front face of the key body 15 for holding the bracket 17 .
  • the key body 15 is preferably made of resin (e.g., PA 66 ).
  • the bracket 17 is made of a blade spring, and is formed in a substantially U-shape in its cross-section so as to pinch the front face and the rear face of the key body 15 in the vicinity of the back end of the key body 15 .
  • the bracket 17 is attached to the back end of the key body 15 so as to pinch the front face and the rear face of the key body 15 while hooking the ring 11 on its U-shaped top section, so that the bracket 17 is connected with the back end of the key body 15 .
  • the bracket 17 has a protrusion 17 b formed in a part at which the bracket 17 contacts the rear face of the key body 15 .
  • the protrusion 17 b engages with the fitting hole 15 b of the key body 15 .
  • the blade spring part 17 a fits to the slot 15 a of the key body 15 .
  • An L-shaped part 17 c which is a bottom part of the blade spring part 17 a , hooks on a wall 15 c of the slot 15 a , so that the bracket 17 is fixed to the key body 15 .
  • the button 9 is provided on the outer peripheral surface of the blade spring part 17 a engaging with the slot 15 a of the key body 15 .
  • the button 9 can be integrally formed with the bracket 17 .
  • the button 9 can be formed separately from the bracket 17 , and can be put on the bracket 17 .
  • the button 9 When the pushing force is not applied to the button 9 , the button 9 is urged (biased) by the bracket 17 (specifically, the blade spring 17 a ), so as to be located at the reference position (FIGS. 2B and 2D). In the reference position, at least the outer face (surface on the left side in FIGS. 2B and 2D) of the button 9 is outwardly protruded from the front face of the key body 15 .
  • the blade spring part 17 a of the bracket 17 is resiliently bent.
  • the outer face of the button 9 is displaced to the same level as the level of the front face of the key body 15 , or is more deeply displaced into the key body 15 exceeding the level of the front face of the key body 15 .
  • the blade spring part 17 a of the bracket 17 is used as a holding member which resiliently holds the button 9 in a direction in which the button 9 returns to the reference position.
  • the button 9 of the emergency key 5 engages with a first holding hole 13 of the device body 3 . Therefore, the emergency key 5 can be restricted from dropping out of the receiving part 7 of the device body 3 .
  • the emergency key 5 When battery power is run out for example, the emergency key 5 is pulled out of the receiving part 7 of the device body 3 , and is used for the mechanical key system. Alternatively, the emergency key 5 can be removed from the device body 3 when a user orders another person to move the vehicle in a hotel, for example. In this case, the emergency key 5 can be pulled out of the device body 3 , so as not to be illegally duplicated.
  • the emergency key 5 When the emergency key 5 is used for the mechanical key system, the emergency key 5 is pulled out of the receiving part 7 of the device body 3 in the same manner as described above. Subsequently, the emergency key 5 is inserted into a first opening 7 a of the receiving part 7 of the device body 3 from the back end (ring 11 ) side of the emergency key 5 in a direction shown by Y 3 in FIG. 1C by a predetermined length.
  • the portable device 1 becomes in a using condition in which the button 9 engages with the first holding hole 13 , and the key part K of the key body 15 protrudes from the device body 3 . In this situation, the device body 3 becomes a grip for twisting the emergency key 5 .
  • the emergency key 5 and the device body 3 are operated in an opposite order to the above operation process. That is, in the using condition in FIG. 1D, the fore-end of the emergency key 5 is drawn from the first opening 7 a while the button 9 of the emergency key 5 is pushed from the outside of the device body 3 , so that the emergency key 5 can be pulled out of the device body 3 .
  • the emergency key 5 which is pulled out of the receiving part 7 of the device body 3 , is inserted into the first opening 7 a of the receiving part 7 from the fore-end side of the emergency key 5 .
  • the emergency key 5 is received in the receiving part 7 of the device body 3 , and the button 9 engages with the first holding hole 13 of the device body 3 .
  • the bracket 17 (holding member) and the button 9 (button part) are provided on the emergency key 5 for constructing a lock mechanism.
  • the lock mechanism is provided in the emergency key 5 , so that the emergency key 5 is detachably received in the receiving part 7 of the device body 3 . Therefore, only the first holding hole 13 needs to be formed in the device body 3 for constructing the detachable structure between the emergency key 5 and the device body 3 . Besides, a manually slidable member (FIG. 9A) or the like needs not to be provided in the device body 3 . Therefore, the device body 3 (i.e., the portable device 1 ) can be downsized. Here, an engaging condition and a non-engaging condition between the button 9 of the emergency key 5 and the first holding hole 13 of the device body 3 can be manually switched using the lock mechanism in the above structure of the portable device 1 .
  • the width of the emergency key needs to be enlarged, or a large grip part (FIG. 9A) is additionally needed at the back end of the emergency key to improve operability for twisting the emergency key when the mechanical key system is locked and unlocked.
  • the emergency key 5 is oppositely inserted from the back end side of the emergency key 5 into the receiving part 7 of the device body 3 when the emergency key 5 is used, so that the device body 3 can be used as a grip for twisting the emergency key 5 . Therefore, even when the width of the emergency key 5 (key body 15 ) is small, the back end of the emergency key 5 is not enlarged, or a large grip is not additionally provided, operability for twisting the emergency key 5 can be preferably maintained. As a result, the portable device 1 can be further downsized.
  • the button 9 of the emergency key 5 engages with the first holding hole 13 of the device body 3 so as to be in the locking condition. Therefore, the emergency key 5 is steadily fixed to the device body 3 which is used as a grip body, so that operability for twisting the emergency key 5 is further improved.
  • the key body 15 of the emergency key 5 can be made of a metallic material. However, when the key body 15 is made of a resinous material, the weight of the key body 15 can be reduced, and the key body 15 does not affect a communicating operation of a wireless communication circuit provided in the device body 3 .
  • the button 9 button part
  • a spring part 19 holding member supporting the button 9
  • the ring 11 are integrally formed with the resinous key body 15 of the emergency key 5 .
  • the button 9 and a spring part 19 construct the lock mechanism, so as to detachably hold the emergency key 5 received in the receiving part 7 of the device body 5 .
  • a space 21 is formed in a part located in the vicinity of the back end of the key body 15 .
  • the space 21 penetrates the key body 15 from its front face to its rear face.
  • the space 21 is equivalent to the slot 15 a in the first embodiment.
  • the spring part 19 is integrally formed with the key body 15 and the button 9 , so as to support the button 9 in the space 21 of the key body 15 .
  • the ring 11 is integrally formed with the back end of the key body 15 .
  • the button 9 when the pushing force is not applied to the button 9 , the button 9 is urged by the spring part 19 , so as to be located at the reference position (FIGS. 3B and 3D). At the reference position, at least the outer face (surface on the left side in FIGS. 3B and 3D) of the button 9 is outwardly protruded from the front face of the key body 15 .
  • the spring part 19 is resiliently bent.
  • the outer face of the button 9 is displaced to the same level as the level of the front face of the key body 15 , or is more deeply displaced into the key body 15 exceeding the level of the front face of the key body 15 .
  • the spring part 19 is used as a holding member which resiliently holds the button 9 in a direction in which the button 9 returns to the reference position.
  • the structure of the second embodiment can produce the same function as that of the first embodiment, even though the construction of the lock mechanism differs from that of the first embodiment.
  • the button 9 button part
  • the button 9 and the spring part 23 construct the lock mechanism, which is made of resin, so as to detachably hold the emergency key 5 in the receiving part 7 of the device body 3 .
  • a space 25 is formed in a part in the vicinity of the back end of the key body 15 .
  • the space 25 is equivalent to the slot 15 a in the first embodiment.
  • the space 25 penetrates the key body 15 from its front face to its rear face, so as to form a front opening 25 a in the front face and a rear opening 25 b in the rear face of the key body 15 .
  • the rear opening 25 b is larger than the front opening 25 a in the key body 15 .
  • the front opening 25 a is formed in a substantially circular shape or the like, so that the button 9 located in the front opening 25 a can partially protrude from the front opening 25 a.
  • the key body 15 has a fixing hole 27 on the fore-end side (lower side in FIG. 4) of the key body 15 with respect to the front opening 25 a .
  • the fixing hole 27 penetrates the key body 15 from the front face to the rear opening 25 b of the key body 15 .
  • the spring part 23 has the button 9 in its one longitudinal end portion, and has a fitting protrusion 23 a in the other longitudinal end portion longitudinally opposite to the button 9 .
  • the fitting protrusion 23 a is snap-fitted to the fixing hole 27 of the key body 15 , so as to be engaged with the fixing hole 27 .
  • the spring part 23 is put into the space 25 of the key body 15 from the side of the rear opening 25 b , so as to be fixed to the key body 15 .
  • the button 9 is supported by the spring part 23 so as to be protruded from the front opening 25 a.
  • the button 9 when the pushing force is not applied to the button 9 , the button 9 is urged by the spring part 23 , so as to be located at the reference position (FIGS. 4B and 4D). At the reference position, at least the outer face (left side in FIGS. 4B and 4D) of the button 9 is outwardly protruded from the front face of the key body 15 .
  • the spring part 23 is resiliently bent.
  • the outer face of the button 9 is displaced to the same level as the level of the front face of the key body 15 , or is more deeply displaced into the key body 15 exceeding the level of the front face of the key body 15 .
  • the spring part 23 is used as a holding member which resiliently supports the button 9 in a direction in which the button 9 returns to the reference position.
  • the structure of the third embodiment can produce the same function as that of the first embodiment, even though the construction of the lock mechanism differs from that of the first embodiment.
  • the key body 15 of the emergency key 5 can be made of a metallic material.
  • the spring part 23 is preferably made of a highly resilient (highly elastic) resinous material compared with a resinous material constructing the key body 15 .
  • the key body 15 needs strength so as to be durable in repeated use for dozens of times, however the spring part 23 needs high resilience (high elasticity) so as to be.durable for repeated bending.
  • a portable device 31 in the fourth embodiment has two following structures different from those of the portable device 1 in the first embodiment.
  • the emergency key 5 is received in the receiving part 7 of the device body 3 .
  • the device body 3 has a side face 7 c in the opposite side to the side face 3 b having the first opening 7 a of the receiving part 7 .
  • the side face 7 c has a second opening 7 b connected with the first opening 7 a through the receiving part 7 . That is, the second opening 7 b is opposite as the first opening 7 a with respect to the receiving part 7 , and the emergency key 5 can pass through the receiving part 7 of the device body 3 in the longitudinal direction of the device body 3 .
  • the side face 3 a of the device body 3 has a second holding hole 33 in addition to the first holding hole 13 . That is, the first holding hole 13 and the second holding hole 33 are located in the same plane.
  • the second holding hole 33 and the first holding hole 13 are substantially symmetrically located with respect to the substantially longitudinal center of the side face 3 a .
  • the second holding hole 33 has a substantially same shape and a substantially same dimension as those of the first holding hole 13 .
  • the emergency key 5 can be used in the following operating process in addition to the same operating process as that of the portable device 1 in the first embodiment.
  • the emergency key 5 is received in the receiving part 7 of the device body 3 , and the button 9 of the emergency key 5 engages with the first holding hole 13 of the device body 3 .
  • the lock mechanism between the emergency key 5 and the device body 3 is locked.
  • the button 9 of the emergency key 5 is pushed from the outside of the device body 3 , the lock mechanism between the emergency key 5 and the device body 3 is unlocked.
  • the back end of the emergency key 5 i.e., ring 11
  • the emergency key 5 is pushed toward the device body 3 in the direction where the fore-end of the emergency key 5 protrudes from the second opening 7 b of the receiving part 7 , while the button 9 of the emergency key 5 is pushed.
  • the emergency key 5 is slid to the second opening 7 b in the receiving part 7 , so that the fore-end of the emergency key 5 protrudes from the second opening 7 b of the receiving part 7 .
  • the fore-end of the emergency key 5 protruding from the second opening 7 b of the receiving part 7 is drawn in the direction shown by Y 5 in FIG. 5B.
  • the button 9 of the emergency key 5 engages with the second holding hole 33 of the device body 3 , while the key part K of the emergency key 5 is protruded from the second opening 7 b of the receiving part 7 .
  • the key part K of the emergency key 5 is protruded from the opposite side compared with the portable device 1 in the first embodiment shown in FIG. 1D.
  • the emergency key 5 can be used depending on a user preference. Therefore, a commercial value and luxuriousness of the portable device 31 can be enhanced.
  • the emergency key 5 is returned from the using condition shown in FIG. 5C to the normal condition shown in FIG. 5A in the following manner.
  • the fore-end of the emergency key 5 in FIG. 5C is pushed toward the device body 3 in an opposite direction with respect to Y 5 in FIG. 5B, while the button 9 engaged with the second holding hole 33 is pushed from the outside of the device body 3 so as to unlock the lock mechanism.
  • the emergency key 5 is slid toward the first opening 7 a in the receiving part 7 until the button 9 engages with the first holding hole 13 of the device body 3 .
  • the fore-end of the emergency key 5 is pulled out of the device body 3 in the direction Y 5 in FIG.
  • the button 9 of the emergency key 5 is pushed from the outside of the device body 3 .
  • the emergency key 5 pulled out of the device body 3 is inserted into the first opening 7 a of the receiving part 7 from the side of the fore-end of the emergency key 5 , so that the button 9 engages with the first holding hole 13 of the device body 3 as shown in FIG. 5A.
  • the emergency key 5 pulled out of the device body 3 can be inserted into the second opening 7 b of the receiving part 7 from the side of the fore-end of the emergency key 5 , so that the emergency key 5 is received in the receiving part 7 and the button 9 engages with the second holding hole 33 .
  • the emergency key 5 described in the second embodiment and the third embodiment shown in FIGS. 3 and 4 can be used in the structure of the portable device 31 in the fourth embodiment.
  • a portable device 31 of the fifth embodiment has two following structures different from those of the portable device 31 in the fourth embodiment.
  • the side face 3 a of the device body 3 has a linear slit 37 connecting between the first holding hole 13 and the second holding hole 33 .
  • an emergency key 5 ′ received in the device body 35 has a protrusion 9 a on the outer face of the button 9 in addition to the emergency key 5 in the first embodiment.
  • the width of the protrusion 9 a is slightly smaller than the gap of the slit 37 .
  • the height of the protrusion 9 a is slightly larger than the depth of the slit 37 , i.e., the height of the protrusion 9 a is slightly larger than the thickness of a sidewall on the side of the side face 3 a of the device body 3 .
  • the user can easily operate the emergency key 5 ′ to slide in the receiving part 7 so as to protrude the key part K of the emergency key 5 ′ from the second opening 7 b of the device body 3 .
  • the emergency key 5 ′ is received in the receiving part 7 of the device body 3 as shown in FIG. 6A
  • the protrusion 9 a of the button 9 engaging with the first holding hole 13 is pushed from the outside of the device body 3 so as to unlock the lock mechanism.
  • the user hooks a finger on the protrusion 9 a so as to slide the protrusion 9 a toward the second holding hole 33 in the direction shown by Y 6 in FIG.
  • the key part k of the emergency key 5 ′ can be protruded from the device body 3 .
  • the protrusion 9 a can be provided on the button 9 of the emergency key 5 described in the second embodiment and the third embodiment shown in FIGS. 3 and 4 so as to be used as the emergency key 5 ′ in the structure of the portable device 35 in the fifth embodiment.
  • a portable device 41 of the sixth embodiment has two following structures different from those of the portable device 31 in the first embodiment.
  • the device body 3 has an biasing member (urging member) 43 constructed with a spring member or a rubber member in the end of the receiving part 7 located on the opposite side with respect to the first opening 7 a in the device body 3 .
  • the biasing member 43 contacts the fore-end of the emergency key 5 , so as to urge the emergency key 5 in the direction where the emergency key 5 is displaced from the receiving part 7 .
  • the lock mechanism is unlocked.
  • the back end of the emergency key 5 automatically pops out of the first opening 7 a of the receiving part 7 by urging pressure of the biasing member 43 . Therefore, when the emergency key 5 is used to lock and unlock the mechanical key system, for example, the emergency key 5 can be easily pulled out of the receiving part 7 of the device body 3 .
  • the emergency key 5 described in the second embodiment and the third embodiment shown in FIGS. 3 and 4 can be used in the structure of the portable device 41 in the sixth embodiment.
  • an emergency key 51 has pits 200 ′ recessed from the surface of the in the key part k of the emergency key 5 ′′.
  • the pits (recession) 200 ′ are formed to mechanically engage with the mechanical key system of the entrance system which is provided in the key cylinder behind the key hole of the vehicle or the like.
  • the structure of the holding member 9 , 19 , 23 of the emergency key 5 described in the second embodiment and the third embodiment shown in FIGS. 3 and 4 can be used in the emergency key 5 ′′ of the seventh embodiment.
  • the structure of the portable device in the present invention can be applied to various structures of portable devices or the like.
  • the button 9 of the emergency key 5 , 5 ′, 5 ′′ can be supported by another member or in another structure different from those of the above embodiments as long as force returning the button 9 to the initial position (reference position) works when the button 9 is pushed.
  • the emergency key includes a substantially cylindrical holding space for movably supporting the button 9 , so that the button 9 can protrude from the side face of the emergency key 5 , 5 ′, 5 ′′ and can be received in the emergency key 5 , 5 ′, 5 ′′.
  • a spring is further provided in the holding space to urge the button 9 in the direction where the button protrudes from the side face of the emergency key 5 , 5 ′, 5 ′′.
  • the holding space and the spring are used as the holding member.
  • the shape of the portable device is not limited to the substantially parallelepiped, and can be in various other shapes.
  • the emergency key 5 , 5 ′, 5 ′′ can be laterally received in the device body 3 .
  • the physical relationship between the emergency key 5 , 5 ′, 5 ′′ and the device body 3 is not limited to those of the above embodiments, and any structures of the emergency key 5 , 5 ′, 5 ′′ and the device body 3 can be used as long as the emergency key 5 , 5 ′, 5 ′′ has at least a part of the lock mechanism.
  • the shape of the emergency key is not limited to a plate shape, and can be various other shapes, such as a cylindrical shape.
  • Various key systems, such as a magnetic lock key can be applied to the emergency key 5 , 5 ′, 5 ′′.
  • the recession 200 , 200 ′ is not necessary formed in the emergency key 5 , 5 ′, 5 ′′ when the emergency key is used in the magnetic lock key or the like.
  • the location of the communication unit 300 is not limited to the location shown in the above embodiments.
  • the communication unit 300 can be located at any part of the device body 3 .
  • the entrance system is not limited for locking and unlocking the vehicle door.
  • the entrance system can be also used for permitting engine start or the like.
  • the present invention is not limited to the vehicle electronic key system, and can be similarly used in any kinds of electronic key systems of a house or the like.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Lock And Its Accessories (AREA)
US10/837,646 2003-05-30 2004-05-04 Portable device with electronic key system and mechanical key system having downsized structure Abandoned US20040237613A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2003-155104 2003-05-30
JP2003155104A JP2004353404A (ja) 2003-05-30 2003-05-30 電子キーシステムの携帯機

Publications (1)

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US20040237613A1 true US20040237613A1 (en) 2004-12-02

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US10/837,646 Abandoned US20040237613A1 (en) 2003-05-30 2004-05-04 Portable device with electronic key system and mechanical key system having downsized structure

Country Status (6)

Country Link
US (1) US20040237613A1 (fr)
JP (1) JP2004353404A (fr)
KR (1) KR20040103457A (fr)
CN (1) CN1572997A (fr)
DE (1) DE102004026164A1 (fr)
FR (1) FR2855544A1 (fr)

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US20060245170A1 (en) * 2005-04-27 2006-11-02 Denso Corporation Wireless transceiver and method for producing the same
US20070000295A1 (en) * 2002-06-26 2007-01-04 Leopold Kostal Gmbh & Co. Electronic key
US20070074552A1 (en) * 2005-10-05 2007-04-05 Toshiharu Katagiri Cylinder lock and key
US20070137271A1 (en) * 2005-11-29 2007-06-21 Toshiharu Katagiri Portable device including mechanical key
US7290419B2 (en) * 2003-05-21 2007-11-06 Volkswagen Ag Key system for a motor vehicle
US20090090150A1 (en) * 2007-10-04 2009-04-09 Kabushiki Kaisha Tokai Rika Denki Seisakusho Tumbler-type key verification system
US20090095038A1 (en) * 2007-10-10 2009-04-16 Kabushiki Kaisha Tokai Rika Denki Seisakusho Tumbler type key
US20090145187A1 (en) * 2006-09-29 2009-06-11 Conti Temic Microelectronic Gmbh Electric operator control unit
US20090178447A1 (en) * 2008-01-15 2009-07-16 Kabushiki Kaisha Tokai Rika Denki Seisakusho Mechanical key code verification system
WO2009127227A1 (fr) * 2008-04-16 2009-10-22 Huf Hülsbeck & Fürst Gmbh & Co. Kg Dispositif pour actionner des serrures, notamment sur des véhicules
FR2936679A1 (fr) * 2008-10-01 2010-04-02 Valeo Securite Habitacle Clef electronique pour vehicule automobile munie d'un bouton lateral a rappel par tige.
WO2010106413A2 (fr) * 2009-03-16 2010-09-23 Toyota Jidosha Kabushiki Kaisha Clé électronique
DE102010014207A1 (de) * 2010-04-08 2011-12-15 Continental Automotive Gmbh Schlüsselvorrichtung
US20120031155A1 (en) * 2010-08-02 2012-02-09 Denso Corporation Portable wireless key
US20130119146A1 (en) * 2010-07-13 2013-05-16 Denso Corporation Card key having function of performing radio communication with on-vehicle device
US8479547B2 (en) * 2011-12-07 2013-07-09 Omron Automotive Electronics Co., Ltd. Vehicle portable device
US20150254916A1 (en) * 2012-12-11 2015-09-10 Smk Corporation Vehicle input device
US20150280769A1 (en) * 2012-10-16 2015-10-01 SATcase Ltd. Case for a mobile communications device
USD773406S1 (en) * 2015-02-03 2016-12-06 Lg Electronics Inc. Smart key for automobiles
US9963908B2 (en) 2004-09-10 2018-05-08 Hy-Ko Products Company Data key and method of using same
US10490038B2 (en) * 2009-01-13 2019-11-26 Invue Security Products Inc. Combination non-programmable and programmable key for security device
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JP5445977B2 (ja) * 2011-08-10 2014-03-19 株式会社デンソー カードキー
KR101812251B1 (ko) * 2012-01-06 2017-12-27 현대모비스 주식회사 차량용 카드 키
CN104063917A (zh) * 2013-03-21 2014-09-24 上海海拉电子有限公司 一种汽车电子钥匙及其安装方法
FR3010282B1 (fr) 2013-09-09 2016-06-10 Valeo Securite Habitacle Boitier de cle
JP2016188511A (ja) * 2015-03-30 2016-11-04 株式会社デンソー 車両用電子キー
DE102015117632A1 (de) * 2015-10-16 2017-04-20 Huf Hülsbeck & Fürst Gmbh & Co. Kg Kraftfahrzeugschlüssel
JP6536487B2 (ja) * 2016-05-31 2019-07-03 株式会社デンソー 電子キー
NL2019150B1 (en) * 2016-06-30 2018-02-14 R J Van Geer Beheer B V Key wallet butterfly type
CN112878811A (zh) * 2021-01-15 2021-06-01 于春伟 一种防盗机械锁
KR102694383B1 (ko) * 2022-11-15 2024-08-14 주식회사 프라코 차량용 비상키

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US20070000295A1 (en) * 2002-06-26 2007-01-04 Leopold Kostal Gmbh & Co. Electronic key
US7290419B2 (en) * 2003-05-21 2007-11-06 Volkswagen Ag Key system for a motor vehicle
US7310980B2 (en) * 2004-04-02 2007-12-25 Kabushiki Kaisha Tokai Rika Denki Seisakusho Case for remote control key
US20080105015A1 (en) * 2004-04-02 2008-05-08 Kabushiki Kaisha Tokai Rika Denki Seisakusho Case for remote control key
US20050223766A1 (en) * 2004-04-02 2005-10-13 Masashi Hashimoto Case for remote control key
US7513134B2 (en) 2004-04-02 2009-04-07 Kabushiki Kaisha Tokai Rika Denki Seisakusho Case for remote control key
US9963908B2 (en) 2004-09-10 2018-05-08 Hy-Ko Products Company Data key and method of using same
US20060059964A1 (en) * 2004-09-10 2006-03-23 Bass Michael A Radio Frequency Identification (RFID) system for manufacturing distribution and retailing of keys
US10480214B2 (en) 2004-09-10 2019-11-19 Hy-Ko Products Company Data key and method of using same
US7849721B2 (en) * 2004-09-10 2010-12-14 Hy-Ko Products Company Radio frequency identification (RFID) system for manufacturing distribution and retailing of keys
US7664470B2 (en) 2005-04-27 2010-02-16 Denso Corporation Wireless transceiver and method for producing the same
US20060245170A1 (en) * 2005-04-27 2006-11-02 Denso Corporation Wireless transceiver and method for producing the same
US20060246851A1 (en) * 2005-04-27 2006-11-02 Denso Corporation Wireless transceiver and method for producing the same
US7664471B2 (en) * 2005-04-27 2010-02-16 Denso Corporation Wireless transceiver and method for producing the same
US7484392B2 (en) * 2005-10-05 2009-02-03 Kabushiki Kaisha Tokai Rika Denki Seisakusho Cylinder lock and key
US20070074552A1 (en) * 2005-10-05 2007-04-05 Toshiharu Katagiri Cylinder lock and key
US20070137271A1 (en) * 2005-11-29 2007-06-21 Toshiharu Katagiri Portable device including mechanical key
US8528374B2 (en) 2005-11-29 2013-09-10 Kabushiki Kaisha Tokai Rika Denki Seisakusho Portable device including mechanical key
US20090145187A1 (en) * 2006-09-29 2009-06-11 Conti Temic Microelectronic Gmbh Electric operator control unit
US8042367B2 (en) 2007-10-04 2011-10-25 Kabushiki Kaisha Tokai Rika Denki Seisakusho Tumbler-type key verification system
US20090090150A1 (en) * 2007-10-04 2009-04-09 Kabushiki Kaisha Tokai Rika Denki Seisakusho Tumbler-type key verification system
US20090095038A1 (en) * 2007-10-10 2009-04-16 Kabushiki Kaisha Tokai Rika Denki Seisakusho Tumbler type key
US20090178447A1 (en) * 2008-01-15 2009-07-16 Kabushiki Kaisha Tokai Rika Denki Seisakusho Mechanical key code verification system
US8413473B2 (en) 2008-01-15 2013-04-09 Kabushiki Kaisha Tokai Rika Denki Seisakusho Mechanical key code verification system
WO2009127227A1 (fr) * 2008-04-16 2009-10-22 Huf Hülsbeck & Fürst Gmbh & Co. Kg Dispositif pour actionner des serrures, notamment sur des véhicules
FR2936679A1 (fr) * 2008-10-01 2010-04-02 Valeo Securite Habitacle Clef electronique pour vehicule automobile munie d'un bouton lateral a rappel par tige.
US10490038B2 (en) * 2009-01-13 2019-11-26 Invue Security Products Inc. Combination non-programmable and programmable key for security device
WO2010106413A2 (fr) * 2009-03-16 2010-09-23 Toyota Jidosha Kabushiki Kaisha Clé électronique
WO2010106413A3 (fr) * 2009-03-16 2010-12-23 Toyota Jidosha Kabushiki Kaisha Clé électronique
DE102010014207B4 (de) * 2010-04-08 2015-11-05 Continental Automotive Gmbh Schlüsselvorrichtung
DE102010014207A1 (de) * 2010-04-08 2011-12-15 Continental Automotive Gmbh Schlüsselvorrichtung
US20130119146A1 (en) * 2010-07-13 2013-05-16 Denso Corporation Card key having function of performing radio communication with on-vehicle device
US8534104B2 (en) * 2010-08-02 2013-09-17 Denso Corporation Portable wireless key
US20120031155A1 (en) * 2010-08-02 2012-02-09 Denso Corporation Portable wireless key
US8479547B2 (en) * 2011-12-07 2013-07-09 Omron Automotive Electronics Co., Ltd. Vehicle portable device
US20150280769A1 (en) * 2012-10-16 2015-10-01 SATcase Ltd. Case for a mobile communications device
US20150254916A1 (en) * 2012-12-11 2015-09-10 Smk Corporation Vehicle input device
US9595147B2 (en) * 2012-12-11 2017-03-14 Smk Corporation Vehicle input device
USD773406S1 (en) * 2015-02-03 2016-12-06 Lg Electronics Inc. Smart key for automobiles
US11408199B2 (en) * 2019-09-25 2022-08-09 Hyundai Motor Company Vehicle key assembly

Also Published As

Publication number Publication date
JP2004353404A (ja) 2004-12-16
FR2855544A1 (fr) 2004-12-03
CN1572997A (zh) 2005-02-02
DE102004026164A1 (de) 2004-12-16
KR20040103457A (ko) 2004-12-08

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