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US20020060098A1 - Mechanism for ejecting stylus - Google Patents

Mechanism for ejecting stylus Download PDF

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Publication number
US20020060098A1
US20020060098A1 US09/809,067 US80906701A US2002060098A1 US 20020060098 A1 US20020060098 A1 US 20020060098A1 US 80906701 A US80906701 A US 80906701A US 2002060098 A1 US2002060098 A1 US 2002060098A1
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US
United States
Prior art keywords
stylus
ejecting
eject
lock
slide groove
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.)
Granted
Application number
US09/809,067
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US6410865B1 (en
Inventor
Ta-Wei Liu
Chien-Min Lin
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.)
HTC Corp
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High Tech Computer 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 High Tech Computer Corp filed Critical High Tech Computer Corp
Assigned to HIGH TECH COMPUTER CORPORATION reassignment HIGH TECH COMPUTER CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: LIN, CHIEN-MIN, LIU, TA-WEI
Publication of US20020060098A1 publication Critical patent/US20020060098A1/en
Application granted granted Critical
Publication of US6410865B1 publication Critical patent/US6410865B1/en
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16Constructional details or arrangements
    • G06F1/1613Constructional details or arrangements for portable computers
    • G06F1/1626Constructional details or arrangements for portable computers with a single-body enclosure integrating a flat display, e.g. Personal Digital Assistants [PDAs]
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2200/00Indexing scheme relating to G06F1/04 - G06F1/32
    • G06F2200/16Indexing scheme relating to G06F1/16 - G06F1/18
    • G06F2200/163Indexing scheme relating to constructional details of the computer
    • G06F2200/1632Pen holder integrated in the computer

Definitions

  • the invention relates in general to a mechanism for ejecting stylus, and more particularly to the mechanism for ejecting stylus used in hand-held computers.
  • the hand-held computer such as Personal Digital Assistant (PDA), which originated from the electronic secretary of the businessman, plays an important role in daily life. It acts as a small functional computer due to its delicate exterior and artificial intelligence (AI), and is capable of recording addresses, telephone numbers, appointments, and weekly schedule of work/homework. Furthermore, the PDA is also able to receive/send email and download/transmit data by taking advantage of the fostering Internet.
  • PDA Personal Digital Assistant
  • the PDA is convenient to us due to its several advantages; for example, it not only record and classify thousands of telephone numbers, but also help us to arrange weekly and/or daily schedules. With its small size, it can be placed into pockets, wallets, or handbags, and is easily accessed whenever needed. In addition, the special interface of the PDA, such as a touch screen and stylus make it more convenient to use.
  • the stylus of the hand-held computer is retained by friction of contact. If the stylus is needed, the friction of contact must be overcome before it is taken out and one end of stylus must be held by finger. This is very inconvenient and time consuming.
  • the traditional ejecting apparatus requires too large a space to meet the requirements of hand-held computers in terms of size and weight and so not applicable to the hand-held computer.
  • the stylus is retained by a latching mechanism, and ejected due to the recovery force of spring.
  • the invention achieves the above-identified objects by providing a mechanism for ejecting the stylus.
  • the mechanism includes a locking apparatus and an ejecting apparatus.
  • the locking apparatus and the ejecting apparatus are separately located at opposite ends of the slide groove, and the distance between these two apparatus is equal to the length of stylus.
  • the locking apparatus is designed according to the theory of latching mechanism to achieve the retention of the stylus.
  • FIG. 1 illustrates a decomposed 3-D diagram of the mechanism for ejecting stylus according to the invention
  • FIG. 2 illustrates an operating diagram of the mechanism for ejecting the stylus according to the invention.
  • FIG. 1 in which a decomposed 3-D diagram of the mechanism for ejecting stylus according to the invention is presented.
  • FIG. 1 is illustrated from a view of the inner side of housing 114 of the hand-held computer.
  • the mechanism for ejecting the stylus includes the locking apparatus 10 and the ejecting apparatus 20 .
  • the stylus 100 is inserted into the slide groove 116 .
  • the slide groove 116 and the compress groove 118 are located at the housing 114 and the distance between the slide groove 116 and compress groove 118 is exactly equal to the length of stylus 100 .
  • the mechanism for ejecting the stylus only requires a small space, and the free space present in the hand-held computer is large enough to contain the entire mechanism.
  • the present invention is very suitable for the hand-held computer.
  • the locking apparatus 10 is connected to the printed circuit board (not shown in FIG. 1), and the stylus 100 is retained by a latching mechanism.
  • the locking apparatus 10 includes the lock element 102 , the lock holder 104 , and the lock spring 106 .
  • the pivot 202 on the lock holder 104 is able to support the lock element 102 while the lock spring 106 is placed between thereof.
  • the ejecting apparatus 20 includes the eject cap 108 , eject spring 110 , and eject holder 112 .
  • the eject holder 112 covers the inner side of the housing 114 and forms a hollow area, the compress groove 118 , which contains the eject cap 108 and eject spring 110 .
  • the eject apparatus 20 utilizes the reacting force that results from the recovery force of the compressed eject spring 110 to eject the stylus 100 ; therefore, the stylus 100 is pushed forward by the eject cap 108 and ejected instantly along the slide groove 116 .
  • FIG. 2 in which an operating diagram of the mechanism for ejecting the stylus according to the invention is illustrated.
  • the locking apparatus 10 of the mechanism for ejecting the stylus further includes the release button 200 and the movable arm 204 , as shown in FIG. 2.
  • the movable arm 204 When the stylus 100 is inserted into the slide groove 116 , the movable arm 204 exactly hooks the rabbet 206 of the stylus 100 resulting in the retention of stylus. Meanwhile, the force balance is attained resulting from the equilibrium of the upward force of the eject spring 110 due to the elastic recovery and the downward force of the stylus 100 due to the latching mechanism.
  • the stylus 100 presses the release button 200 by an external force 210 so that the lock element 102 rotating clockwise while the pivot 202 on the lock holder 104 is used as a revolving spindle.
  • the lock element 102 is able to pull the movable arm 204 away from the rabbet 206 of the stylus 100 .
  • the downward force acting on the eject cap 108 disappears, and the recovery force of the eject spring 110 pushes the eject cap 108 upward along the compress groove 118 . Therefore, the pen point 208 is indirectly removed from the compress groove 118 , and the stylus 100 is ejected upward along the slide groove 116 .
  • the tensile stress due to the recovery force of the lock spring 106 is able to rotate the lock element 102 back to the original orientation after the movable arm 204 is removed from the rabbet 206 .
  • the mechanism for ejecting the stylus used in the hand-held computer provides a convenient method of retention with a latching mechanism as well as ejection with the recovery force of the spring; hence, the stylus is easily stored and removed.
  • the simple structure of the invention occupies so small a space that the present hand-held computers can satisfy the need without extra construction for appearance.

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Casings For Electric Apparatus (AREA)
  • Position Input By Displaying (AREA)

Abstract

A mechanism for ejecting stylus includes the locking apparatus and the ejecting apparatus. When the stylus is put in the slide groove, the movable arm of the locking apparatus exactly hooks the rabbet of the stylus resulting in the retention of stylus. The ejecting apparatus is used for ejecting the stylus along the slide groove. The locking apparatus and the ejecting apparatus are set separately at the end of the slide groove, and the distance between two apparatus is exactly equal to the length of the stylus.

Description

  • This application incorporates by reference Taiwanese application Serial No. 089212578, Filed Jul. 20, 2000. [0001]
  • BACKGROUND OF THE INVENTION
  • 1. Field of the Invention [0002]
  • The invention relates in general to a mechanism for ejecting stylus, and more particularly to the mechanism for ejecting stylus used in hand-held computers. [0003]
  • 2. Description of the Related Art [0004]
  • Recently, the hand-held computer such as Personal Digital Assistant (PDA), which originated from the electronic secretary of the businessman, plays an important role in daily life. It acts as a small functional computer due to its delicate exterior and artificial intelligence (AI), and is capable of recording addresses, telephone numbers, appointments, and weekly schedule of work/homework. Furthermore, the PDA is also able to receive/send email and download/transmit data by taking advantage of the thriving Internet. [0005]
  • The PDA is convenient to us due to its several advantages; for example, it not only record and classify thousands of telephone numbers, but also help us to arrange weekly and/or daily schedules. With its small size, it can be placed into pockets, wallets, or handbags, and is easily accessed whenever needed. In addition, the special interface of the PDA, such as a touch screen and stylus make it more convenient to use. [0006]
  • Conventionally, the stylus of the hand-held computer is retained by friction of contact. If the stylus is needed, the friction of contact must be overcome before it is taken out and one end of stylus must be held by finger. This is very inconvenient and time consuming. The traditional ejecting apparatus, however, requires too large a space to meet the requirements of hand-held computers in terms of size and weight and so not applicable to the hand-held computer. [0007]
  • SUMMARY OF THE INVENTION
  • It is therefore an object of the invention to provide a mechanism for ejecting the stylus used in the hand-held computers. The stylus is retained by a latching mechanism, and ejected due to the recovery force of spring. [0008]
  • The invention achieves the above-identified objects by providing a mechanism for ejecting the stylus. The mechanism includes a locking apparatus and an ejecting apparatus. The locking apparatus and the ejecting apparatus are separately located at opposite ends of the slide groove, and the distance between these two apparatus is equal to the length of stylus. The locking apparatus is designed according to the theory of latching mechanism to achieve the retention of the stylus. When the stylus is inserted into the slide groove of the PDA, the movable arm of the locking apparatus exactly hooks the rabbet of the stylus resulting in the fixation of the stylus. If the stylus is needed, the release bottom is pressed resulting in the movable arm being removed from the rabbet, and the stylus is then ejected along the slide groove due to the recovery force of spring of the ejecting apparatus.[0009]
  • BRIEF DESCRIPTION OF THE DRAWINGS
  • Other objects, features, and advantages of the invention will become apparent from the following detailed description of the preferred but non-limiting embodiments. The description is made with reference to the accompanying drawings in which: [0010]
  • FIG. 1 illustrates a decomposed 3-D diagram of the mechanism for ejecting stylus according to the invention; and [0011]
  • FIG. 2 illustrates an operating diagram of the mechanism for ejecting the stylus according to the invention.[0012]
  • DESCRIPTION OF THE PREFERRED EMBODIMENT
  • Referring to FIG. 1, in which a decomposed 3-D diagram of the mechanism for ejecting stylus according to the invention is presented. FIG. 1 is illustrated from a view of the inner side of [0013] housing 114 of the hand-held computer. The mechanism for ejecting the stylus includes the locking apparatus 10 and the ejecting apparatus 20. The stylus 100 is inserted into the slide groove 116. The slide groove 116 and the compress groove 118 are located at the housing 114 and the distance between the slide groove 116 and compress groove 118 is exactly equal to the length of stylus 100. With this unique design, the mechanism for ejecting the stylus only requires a small space, and the free space present in the hand-held computer is large enough to contain the entire mechanism. Hence, the present invention is very suitable for the hand-held computer.
  • The [0014] locking apparatus 10 is connected to the printed circuit board (not shown in FIG. 1), and the stylus 100 is retained by a latching mechanism. The locking apparatus 10 includes the lock element 102, the lock holder 104, and the lock spring 106. The pivot 202 on the lock holder 104 is able to support the lock element 102 while the lock spring 106 is placed between thereof. The ejecting apparatus 20 includes the eject cap 108, eject spring 110, and eject holder 112. The eject holder 112 covers the inner side of the housing 114 and forms a hollow area, the compress groove 118, which contains the eject cap 108 and eject spring 110. The eject apparatus 20 utilizes the reacting force that results from the recovery force of the compressed eject spring 110 to eject the stylus 100; therefore, the stylus 100 is pushed forward by the eject cap 108 and ejected instantly along the slide groove 116.
  • Referring to FIG. 2, in which an operating diagram of the mechanism for ejecting the stylus according to the invention is illustrated. The [0015] locking apparatus 10 of the mechanism for ejecting the stylus further includes the release button 200 and the movable arm 204, as shown in FIG. 2. When the stylus 100 is inserted into the slide groove 116, the movable arm 204 exactly hooks the rabbet 206 of the stylus 100 resulting in the retention of stylus. Meanwhile, the force balance is attained resulting from the equilibrium of the upward force of the eject spring 110 due to the elastic recovery and the downward force of the stylus 100 due to the latching mechanism.
  • If the [0016] stylus 100 is needed, presses the release button 200 by an external force 210 so that the lock element 102 rotating clockwise while the pivot 202 on the lock holder 104 is used as a revolving spindle. The lock element 102 is able to pull the movable arm 204 away from the rabbet 206 of the stylus 100. At the same time, the downward force acting on the eject cap 108 disappears, and the recovery force of the eject spring 110 pushes the eject cap 108 upward along the compress groove 118. Therefore, the pen point 208 is indirectly removed from the compress groove 118, and the stylus 100 is ejected upward along the slide groove 116. Additionally, the tensile stress due to the recovery force of the lock spring 106 is able to rotate the lock element 102 back to the original orientation after the movable arm 204 is removed from the rabbet 206.
  • According to the invention, the mechanism for ejecting the stylus used in the hand-held computer provides a convenient method of retention with a latching mechanism as well as ejection with the recovery force of the spring; hence, the stylus is easily stored and removed. Besides, the simple structure of the invention occupies so small a space that the present hand-held computers can satisfy the need without extra construction for appearance. [0017]
  • While the invention has been described by way of example and in terms of the preferred embodiment, it is to be understood that the invention is not limited to the disclosed embodiment. To the contrary, it is intended to cover various modifications and similar arrangements and procedures, and the scope of the appended claims therefore should be accorded the broadest interpretation so as to encompass all such modifications and similar arrangements and procedures. [0018]

Claims (7)

What is claimed is:
1. A mechanism for ejecting a stylus installed on a hand-held computer, wherein the hand-held computer includes a printed circuit board and a housing in which a slide groove is located in the inner side for placing the stylus, comprising:
a locking apparatus connected to the printed circuit board which retains the stylus in the slide groove; and
an ejecting apparatus located in the inner side of the housing which ejects the stylus along the slide groove, wherein the locking apparatus and the ejecting apparatus are placed separately at opposite ends of the slide groove, and the distance between the locking apparatus and the ejecting apparatus is equal to the length of the stylus.
2. The mechanism for ejecting the stylus according to claim 1, wherein the locking apparatus further comprises:
a lock element;
a lock holder; and
a lock spring, wherein a pivot on the lock holder connects the lock element and the lock spring is placed between thereof.
3. The mechanism for ejecting the stylus according to claim 2, wherein a tensile stress resulting from a recovery force of the lock spring rotates the lock spring back to an original orientation.
4. The mechanism for ejecting the stylus according to claim 2, wherein the locking apparatus further comprises:
a movable arm that exactly hooks a rabbet of the stylus resulting in the retention of stylus; and
a release bottom, wherein when the stylus is required, the lock element is rotated clockwise by pressing the release button in order to push the movable arm away from the rabbet of the stylus while the pivot on the lock holder is used as a revolving spindle.
5. The mechanism for ejecting the stylus according to claim 1, wherein the ejecting apparatus comprises
an eject holder;
an eject spring; and
an eject cap, wherein the eject holder is connected to a inner side of the housing and form a hollow area, a compress groove, to place the eject cap and the eject spring.
6. The mechanism for ejecting the stylus according to claim 5, wherein a recovery force of the eject spring pushes the eject cap upward along the compress groove and the stylus is ejected upward along a slide groove.
7. The mechanism for ejecting the stylus according to claim 1, wherein the locking apparatus retains the stylus by a latching mechanism.
US09/809,067 2000-07-20 2001-03-16 Mechanism for ejecting stylus Expired - Lifetime US6410865B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
TW089212578 2000-07-20
TW089212578U TW471670U (en) 2000-07-20 2000-07-20 Ejection mechanism of touch pen
TW89212578 2000-07-20

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US20020060098A1 true US20020060098A1 (en) 2002-05-23
US6410865B1 US6410865B1 (en) 2002-06-25

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030067452A1 (en) * 2001-10-05 2003-04-10 Ta-Wei Liu Stylus retaining and releasing mechanism for stylus-receiving housing
US20050174378A1 (en) * 2004-02-11 2005-08-11 Kuo-Ping Lu Fixing and ejecting device
US20110148019A1 (en) * 2009-12-23 2011-06-23 Compal Electronics, Inc. Push-push type stylus eject mechanism
US20120140428A1 (en) * 2010-12-01 2012-06-07 Su-Kai Hsu Portable electronic device with a space for accommodating a stylus and a connector
EP1674970A3 (en) * 2004-12-22 2012-09-26 Hewlett-Packard Development Company, L.P. Pens/Stylus apparatus and method
US20140374296A1 (en) * 2013-06-19 2014-12-25 Wistron Corporation Electronic device equipped with stylus storage mechanism
WO2016175766A1 (en) * 2015-04-28 2016-11-03 Hewlett-Packard Development Company, L.P. Stylus pen housing with movable connector device
US10082896B1 (en) * 2017-03-16 2018-09-25 Fu Tai Hua Industry (Shenzhen) Co., Ltd. Stylus receiving apparatus

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* Cited by examiner, † Cited by third party
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US20030184529A1 (en) * 2002-03-29 2003-10-02 Compal Electronics, Inc. Input device for an electronic appliance
US20040012575A1 (en) * 2002-07-22 2004-01-22 Homer Steven S. Storage and removal system for pointer utilized with an electronic device
TW588816U (en) * 2002-12-18 2004-05-21 Quanta Comp Inc The ejection mechanism of stylus in mobile computer
US7195169B2 (en) * 2003-07-23 2007-03-27 Symbol Technologies, Inc. Mobile terminal with ergonomic housing
CN100414487C (en) * 2004-02-24 2008-08-27 华硕电脑股份有限公司 Fixing and ejecting device of touch control pen
CN100392557C (en) * 2005-08-29 2008-06-04 桦莹工业有限公司 Touch control pen and elastic telescopic structure thereof
EP1977416B1 (en) 2006-01-27 2010-03-31 University of South Florida Accelerated aging process for acoustic instruments
US7977555B2 (en) * 2006-01-27 2011-07-12 University Of South Florida Method of modifying the frequency response of a wooden article
US8662245B1 (en) 2006-01-27 2014-03-04 University Of South Florida Frequency response treatment of wood paneling
USD611476S1 (en) * 2007-11-20 2010-03-09 Mimos Berhad Touch screen pen
CN101841581B (en) * 2009-03-19 2014-02-12 深圳富泰宏精密工业有限公司 Stylus pen ejecting mechanism
US9489060B2 (en) 2012-01-27 2016-11-08 Hewlett-Packard Development Company, L.P. Stylus extender
CN114035650B (en) * 2021-10-20 2024-06-28 合肥联宝信息技术有限公司 Mechanism and electronic device are hidden to electric stylus

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Publication number Priority date Publication date Assignee Title
JPH03201016A (en) * 1989-12-27 1991-09-02 Sony Corp Handwriting input device
JP2981052B2 (en) * 1992-03-31 1999-11-22 シャープ株式会社 Pen storage structure
JP2978655B2 (en) * 1992-10-30 1999-11-15 シャープ株式会社 Input pen storage mechanism

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030067452A1 (en) * 2001-10-05 2003-04-10 Ta-Wei Liu Stylus retaining and releasing mechanism for stylus-receiving housing
US7023430B2 (en) * 2001-10-05 2006-04-04 High Tech Computer, Corp. Stylus retaining and releasing mechanism for stylus-receiving housing
US20050174378A1 (en) * 2004-02-11 2005-08-11 Kuo-Ping Lu Fixing and ejecting device
EP1674970A3 (en) * 2004-12-22 2012-09-26 Hewlett-Packard Development Company, L.P. Pens/Stylus apparatus and method
US20110148019A1 (en) * 2009-12-23 2011-06-23 Compal Electronics, Inc. Push-push type stylus eject mechanism
US8783669B2 (en) * 2009-12-23 2014-07-22 Compal Electronics, Inc. Push-push type stylus eject mechanism
US20120140428A1 (en) * 2010-12-01 2012-06-07 Su-Kai Hsu Portable electronic device with a space for accommodating a stylus and a connector
US8717757B2 (en) * 2010-12-01 2014-05-06 Wistron Corporation Portable electronic device with a space for accommodating a stylus and a connector
US20140374296A1 (en) * 2013-06-19 2014-12-25 Wistron Corporation Electronic device equipped with stylus storage mechanism
US9198491B2 (en) * 2013-06-19 2015-12-01 Wistron Corporation Electronic device equipped with stylus storage mechanism
WO2016175766A1 (en) * 2015-04-28 2016-11-03 Hewlett-Packard Development Company, L.P. Stylus pen housing with movable connector device
US10082896B1 (en) * 2017-03-16 2018-09-25 Fu Tai Hua Industry (Shenzhen) Co., Ltd. Stylus receiving apparatus

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TW471670U (en) 2002-01-01
US6410865B1 (en) 2002-06-25

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