Patents by Inventor Masaaki Harasawa
Masaaki Harasawa has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20040180559Abstract: A hinge connector comprising an insulative connector housing (10) having a predetermined shape, a through hole extending through the connector housing, a receiving chamber defined in the through hole, and an elastic contact member (30) having electric conductivity and a rotatable contact member (50) that are received in the receiving chamber, wherein the elastic contact member (30) is elastically contacted at one end thereof with the rotatable contact member (50), and projects at the other end out of the through hole to form an external contact. This hinge connector is mounted on the main body housing (90) of an electronic device, a circuit board (70) is connected to a cover body, and the contact member (50) is disposed to make rotation contact with the pattern on the circuit board. Such arrangement provides a hinge connector wherein the contact smoothly rotates even if the contact pressure on the circuit board is increased, and good contact can be maintained.Type: ApplicationFiled: February 2, 2004Publication date: September 16, 2004Inventor: Masaaki Harasawa
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Publication number: 20040087211Abstract: A connector for connecting, to a mounting wiring board, a flash memory card having a signal connecting portion in the vicinity of its one edge is provided. The connector includes a connector main body having a card mounting space formed therein, a cover member, rotatably attached to one end of the connector main body, for restricting one end of the flash memory card in the card mounting space, a locking mechanism for locking the cover member in a closed state, a signal connection contact pressed against the signal connecting portion of the flash memory card and electrically connected to the mounting wiring board, and a restriction member for restricting the other end of the flash memory card in the card mounting space in the vicinity of the other end of the connector main body.Type: ApplicationFiled: December 31, 2003Publication date: May 6, 2004Inventors: Masaaki Harasawa, Hironori Handa
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Patent number: 6652301Abstract: Providing an ejector mechanism for card connector which is of a type wherein a transmission pin retained by a drive member is circulated in a heart-shaped cam groove along a predetermined circulating direction in conjunction with reciprocal movement of a push rod. A resilient cantilever arm has its fixed end secured to the drive member. A free end of the cantilever arm defines a bent projection, which is provided with the transmission pin. The cantilever arm utilizes its own resilience for urging the transmission pin against a bottom of the cam groove.Type: GrantFiled: December 20, 2002Date of Patent: November 25, 2003Assignee: J.S.T. Mfg. Co., Ltd.Inventors: Masaaki Harasawa, Yozo Tomonari
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Publication number: 20030211787Abstract: An electric connector is connected to a conductive part, e.g. an electric wire, of a first article, and is fitted onto the first article and/or a second article. The contact of the electric connector directly contacts a conductive part of the second article with a sufficient contact pressure. The electric connector includes a housing fitted onto at least one of the articles, and a contact provided on the housing and including a connecting part connected to the conductive part of the first article, a contacting point contacting the conductive part of the second article, and an elastic part, which undergoes elastic deformation when the contacting point is pressed. The housing and/or the contact has a holding member, which holds the elastic part in an elastically deformed condition in advance in the direction of pressing the contacting point and prevents the restoring movement thereof.Type: ApplicationFiled: May 23, 2003Publication date: November 13, 2003Applicant: J.S.T. Mfg. Co., Ltd.Inventors: Masaaki Harasawa, Saburou Kase, Satoru Kihara
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Patent number: 6623304Abstract: In a connector main body, a first card installing space used to install an SD card is formed, and also, a second card installing space used to install a SIM card is formed between this first card installing space and a mounting wiring board. A SIM card connector mounted on the mounting wiring board is faced to the second card installing space. Since the SIM card is installed in this second card installing space, and a stopper is slide along rails so as to be moved on the SIM card, the connection condition between the SIM card and the SIM card connector can be maintained. Under this condition, the SD card can be mounted or dismounted with respect to the first card installing space.Type: GrantFiled: March 18, 2002Date of Patent: September 23, 2003Assignee: J.S.T. Mfg. Co. Ltd.Inventors: Masaaki Harasawa, Hironori Handa
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Patent number: 6619965Abstract: A connective structure for coupling a first and second printed circuit boards (11,12) facing one another is composed of a female connector (13) surface-mounted on the first printed board (11) and a male connector (14) also surface-mounted on the second board (12) so as to fit on the female connector (13). The male connector has a housing (41) and positioning pins (35) extending from opposite lateral ends of the housing towards the first printed circuit board, and each positioning pin has a free end protruding beyond the housing top. Positioning openings (26) are formed in the first circuit board so that the pins (35) are inserted in them to couple the female and male connectors (13,14) at their positions correct and accurate relative to each other to establish a reliable electric connection, such that the connective portions are protected from distortedly fitting one in another even if distance between the circuit boards (11,12) is reduced.Type: GrantFiled: April 18, 2002Date of Patent: September 16, 2003Assignee: J.S.T. Mfg. Co., Ltd.Inventors: Satoru Kihira, Masaaki Harasawa, Hiroyuki Taguchi
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Patent number: 6616485Abstract: A contact capable of achieving the reduction of height in the direction of displacement, and of obtaining excellent contact pressure. A contact 10 comprises substantially a belt-like elastic contact member 20 having a terminal 21 at one end and a contact part 27 at the other end and substantially a belt-like elastic protection member 30 having a fixing part 31 at one end and a protecting part 37 at the other end and an accommodation hole 33 provided in the protection member 30 between the fixing part 31 and the protecting part 37, wherein the elastic contact member 20 is spaced from and disposed in parallel with the protection member 30 at a given interval while a tip end 29 of the contact part 27 of the elastic contact member 20 is positioned inside and in parallel with the protecting part 37. The accommodation hole 33 is formed such that a part of the elastic contact member 20 enters accommodation hole 33 as the elastic contact member 20 is elastically deformed.Type: GrantFiled: June 5, 2002Date of Patent: September 9, 2003Assignee: J.S.T. Mfg. Co., Ltd.Inventors: Masaaki Harasawa, Yozo Tomonari
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Patent number: 6589082Abstract: An electric connector is connected to an electric wire of a first article, and is to be fitted onto the first article and/or a second article. The contact of the electric connector shall directly contact a conductive part of the second article. To prevent the electric wire or the wired contact from coming of the housing of the connector, a retainer is provided. The electric connector's housing has a receiving groove that is recessed into the front housing face which faces the second article, and that has an open groove end at one housing side face and a closed groove end at another housing side face. A contact is inserted into the receiving groove and includes a connecting part to be connected to the electric wire of the first article and a contacting part which is located closer than the connecting part to the closed groove end and which is to contact the conductive part of the second article.Type: GrantFiled: December 13, 2001Date of Patent: July 8, 2003Assignee: J. S. T. Mfg. Co., Ltd.Inventors: Masaaki Harasawa, Saburou Kase, Satoru Kihara
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Publication number: 20030124890Abstract: Providing an ejector mechanism for card connector which is of a type wherein a transmission pin retained by a drive member is circulated in a heart-shaped cam groove along a predetermined circulating direction in conjunction with reciprocal movement of a push rod. A resilient cantilever arm has its fixed end secured to the drive member. A free end of the cantilever arm defines a bent projection, which is provided with the transmission pin. The cantilever arm utilizes its own resilience for urging the transmission pin against a bottom of the cam groove.Type: ApplicationFiled: December 20, 2002Publication date: July 3, 2003Inventors: Masaaki Harasawa, Yozo Tomonari
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Publication number: 20020187666Abstract: A contact capable of achieving the reduction of height in the direction of displacement, and of obtaining excellent contact pressure. A contact 10 comprises substantially a belt-like elastic contact member 20 having a terminal 21 at one end and a contact part 27 at the other end and substantially a belt-like elastic protection member 30 having a fixing part 31 at one end and a protecting part 37 at the other end and an accommodation hole 33 provided in the protection member 30 between the fixing part 31 and the protecting part 37, wherein the elastic contact member 20 is spaced from and disposed in parallel with the protection member 30 at a given interval while a tip end 29 of the contact part 27 of the elastic contact member 20 is positioned inside and in parallel with the protecting part 37. The accommodation hole 33 is formed such that a part of the elastic contact member 20 enters accommodation hole 33 as the elastic contact member 20 is elastically deformed.Type: ApplicationFiled: June 5, 2002Publication date: December 12, 2002Applicant: J.S.T.Mfg. Co.,Ltd.Inventors: Masaaki Harasawa, Yozo Tomonari
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Publication number: 20020132528Abstract: In a connector main body, a first card installing space used to install an SD card is formed, and also, a second card installing space used to install a SIM card is formed between this first card installing space and a mounting wiring board. A SIM card connector mounted on the mounting wiring board is faced to the second card installing space. Since the SIM card is installed in this second card installing space, and a stopper is slide along rails so as to be moved on the SIM card, the connection condition between the SIM card and the SIM card connector can be maintained. Under this condition, the SD card can be mounted or dismounted with respect to the first card installing space.Type: ApplicationFiled: March 18, 2002Publication date: September 19, 2002Applicant: J.S.T. Mfg. Co., Ltd.Inventors: Masaaki Harasawa, Hironori Handa
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Patent number: 6447303Abstract: A connector is disclosed which is to be used for mounting, on an assembled circuit board, a communication module having a high frequency circuit mounted thereon. This connector has a connector body to be mounted on the assembled circuit board, contact members, and a high-frequency-signal connector-element mounting portion) for mounting a high-frequency-signal connector element. The connector body has a mounting space on which the communication module is mounted, and there is disposed a cover member for opening and closing at least a portion of the mounting space.Type: GrantFiled: November 6, 2001Date of Patent: September 10, 2002Assignee: J.S.T. Mfg. Co., Ltd.Inventors: Satoru Kihira, Masaaki Harasawa, Shoichi Takada
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Publication number: 20020081910Abstract: A connector is disclosed which is to be used for mounting, on an assembled circuit board, a communication module having a high frequency circuit mounted thereon. This connector has a connector body to be mounted on the assembled circuit board, contact members, and a high-frequency-signal connector-element mounting portion) for mounting a high-frequency-signal connector element. The connector body has a mounting space on which the communication module is mounted, and there is disposed a cover member for opening and closing at least a portion of the mounting space.Type: ApplicationFiled: November 6, 2001Publication date: June 27, 2002Inventors: Satoru Kihira, Masaaki Harasawa, Shoichi Takada
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Publication number: 20020076993Abstract: When an electric connector, which is connected to an electric wire of a first article, is to be fitted onto the first article and/or a second article, and the contact of the electric connector is to be made to directly contact a conductive part of the second article, it is intended to prevent the electric wire or the wired contact from coming off the housing.Type: ApplicationFiled: December 13, 2001Publication date: June 20, 2002Applicant: J. S. T. Mfg. Co., Ltd.Inventors: Masaaki Harasawa, Saburou Kase, Satoru Kihara
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Publication number: 20020076994Abstract: To reduce the number of electric connectors used in a connecting structure and reduce the connecting work so as to reduce the costs of the connecting structure and compactify the connecting structure.Type: ApplicationFiled: December 13, 2001Publication date: June 20, 2002Applicant: J.S.T. Mfg. Co., Ltd.Inventors: Masaaki Harasawa, Saburou Kase, Satoru Kihara
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Publication number: 20020077002Abstract: When an electric connector, which is connected to an electric wire, etc. being a conductive part of a first article, is to be fitted onto the first article and/or a second article, and the contact of the electric connector is to be made to directly contact a conductive part of the second article, it is intended to secure a sufficient contact pressure between the contact of the electric connector and the conductive part of the second article.Type: ApplicationFiled: December 13, 2001Publication date: June 20, 2002Applicant: J.S.T. Mfg. Co., Ltd.Inventors: Masaaki Harasawa, Saburou Kase, Satoru Kihara
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Patent number: 6129558Abstract: A connector for a printed circuit board including a board-shaped housing with windows and connecting terminals arranged for the windows. An intermediate part of each connecting terminal is fixed to a housing part at an edge of the window, and a contacting part of the connecting terminal is arranged so that it can undergo elastic deformation in the window in the direction of thickness of the housing near the top of the housing. The external end of the connecting terminal is formed as a lead, and the connecting terminal is provided with a reinforcing lead that extends from the intermediate part toward the bottom of the housing in the window. If necessary, a reinforcing frame is embedded in the housing. A production method thereof is indicated by example, wherein connecting terminals and a frame being connected together are press-formed, and they are integrally molded with the housing, then the connecting terminals and the frame are disconnected from the rest.Type: GrantFiled: December 28, 1998Date of Patent: October 10, 2000Assignee: Japan Solderless Terminal Mfg. Co., Ltd.Inventors: Satoru Kihira, Masaaki Harasawa, Takayasu Onoda
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Patent number: D447122Type: GrantFiled: November 21, 2000Date of Patent: August 28, 2001Assignee: J.S.T. Mfg. Co., Ltd.Inventors: Masaaki Harasawa, Saburou Kase, Satoru Kihira
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Patent number: D464323Type: GrantFiled: November 21, 2000Date of Patent: October 15, 2002Assignee: J.S.T. Mfg. Co., Ltd.Inventors: Masaaki Harasawa, Saburou Kase, Satoru Kihira