CN102053941B - Portable device with reciprocating type detection terminal and detection and control method thereof - Google Patents

Portable device with reciprocating type detection terminal and detection and control method thereof Download PDF

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Publication number
CN102053941B
CN102053941B CN2009102093940A CN200910209394A CN102053941B CN 102053941 B CN102053941 B CN 102053941B CN 2009102093940 A CN2009102093940 A CN 2009102093940A CN 200910209394 A CN200910209394 A CN 200910209394A CN 102053941 B CN102053941 B CN 102053941B
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China
Prior art keywords
portable apparatus
detection terminal
reciprocating type
type detection
connector
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Expired - Fee Related
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CN2009102093940A
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Chinese (zh)
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CN102053941A (en
Inventor
方文政
陈苍义
束崇万
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Transcend Information Inc
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Transcend Information Inc
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Priority to CN2009102093940A priority Critical patent/CN102053941B/en
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Abstract

The invention discloses a portable device with a reciprocating type detection terminal and a detection and control method thereof. A detection terminal is arranged at the position of a connector; when the portable device is inserted into a host system, the detection terminal is pushed to generate signal changes, so that a controller in the portable device executes a device instruction according to the signal, or when the portable device is removed from the host system, the detection terminal is pushed to change the signal until the portable device is separated from the host system completely, and the controller executes a device instruction which is set additionally by utilizing the time of several milliseconds, so that the portable device has diversified computer control and provides a power-off protection mechanism of data transmission.

Description

Have the portable apparatus of reciprocating type detection terminal and detect control method
Technical field
The present invention is relevant a kind of portable apparatus and a kind of system control method; Especially refer to a kind of have insert/extract detection terminal; When this detection terminal activated, carry out the portable apparatus of a custom instruction and insert/extract performed control method to portable apparatus.
Background technology
Portable apparatus on the market can carry out data transmission and storage between portable apparatus and the host computer system through with after host computer systems such as personal computer are connected.With universal serial bus (universalserial bus, USB) storage device is an example, the characteristic that it can hot plug on host computer system makes the USB storage device that uses as external portable memory device have quite widely and uses.Usually for this type of external storage device, host computer system can be used specific device to remove program to stop all following storeies and write operation, remove from the main frame system under the condition of safety and stability to guarantee external storage device.Yet in many use situations; The USB storage device tends under the situation of no early warning, pull out from the main frame system; If still have data between host computer system and USB storage device, to transmit this moment; This operation that removes suddenly tends to cause wherein data to lose or damage, more serious situation even possibly cause host computer system or the file of USB storage device is damaged and can't be used.
Summary of the invention
Embodiments of the invention disclose a kind of portable apparatus with reciprocating type detection terminal.This portable apparatus can electrically connect to carry out data transmission with this host computer system along one first connector of a first direction and a host computer system, and this first connector has consistent moved end.This portable apparatus comprises one second connector, a reciprocating type detection terminal and a controller.This second connector cooperates with this first connector makes this portable apparatus be electrically connected at this host computer system.This reciprocating type detection terminal is arranged at this second connector place, is used for receiving this actuation ends to activate to produce a control signal.This reciprocating type detection terminal and this controller electrically connect, and this controller is carried out a device instruction when receiving this control signal of this reciprocating type detection terminal generation.Wherein this portable apparatus is that (universal serial bus, USB) device, this first connector are the female seat of a USB to a universal serial bus.
Embodiments of the invention also disclose and a kind ofly detect the plug of portable apparatus and host computer system and carry out the method for control command; Wherein a portable apparatus can electrically connect to carry out data transmission with this host computer system along one first connector of a first direction and a host computer system, and this first connector has consistent moved end.This method comprises the following step: when one second connector of this portable apparatus during along this first connector plug of this first direction and this host computer system, a reciprocating type detection terminal of this portable apparatus is activated to produce a control signal by this actuation ends; And a controller of this portable apparatus is carried out a device instruction when receiving this control signal of this reciprocating type detection terminal generation.This portable apparatus is that (universal serial bus, USB) device, this first connector are the female seat of a USB to a universal serial bus.
Description of drawings
Fig. 1 has the block schematic diagram that portable apparatus first embodiment of reciprocating type detection terminal is connected with a host computer system for the present invention.
Fig. 2 is the reciprocating type detection terminal of portable apparatus and the synoptic diagram of connector.
Fig. 3 is connected in the synoptic diagram of the connector of host computer system for portable apparatus.
Fig. 4 is the block schematic diagram that portable apparatus second embodiment is connected with a host computer system.
Fig. 5 is connected in the partial schematic diagram of the connector of host computer system for portable apparatus the 3rd embodiment.
The method flow diagram that instructs with actuating unit when Fig. 6 inserts host computer system for portable apparatus.
The method flow diagram that instructs with actuating unit when Fig. 7 pulls away host computer system for portable apparatus.
[main element label declaration]
10,30,50 portable apparatus, 11,31,51 second connectors
12,32,52 reciprocating type detection terminal 13,33 controllers
20,40 host computer systems, 21,41 first connectors
34 power modules, 35,45 audio-frequency modules
36,46 display modules, 37 storage elements
111 power supply terminals, 112 ground terminals
113D+ terminal 114D-terminal
211,212 actuation ends, 100,200 control methods
102,104,202~207 steps
Embodiment
The present invention is utilized in connector one side or the inboard reciprocating type detection terminal that adds that but a sensing inserts or extracts of portable apparatus, and with the controller of prompting portable apparatus, device plugs, and makes corresponding control reaction according to this.
Please refer to Fig. 1, Fig. 1 is the synoptic diagram that portable apparatus 10 one the first embodiment and a host computer system 20 electrically connect.Portable apparatus 10 can be (the universal serial bus that has universal serial bus; USB) interface, IEEE 1394 interfaces etc. have storage device, external device, portable disc, MP3 walkman of hot-swap capabilities etc.; It includes one second connector, 11, one a reciprocating type detection terminal 12 and a controller 13 at least, and wherein second connector 11 all electrically connects with controller 13 with reciprocating type detection terminal 12.Host computer system 20 can be personal computer, workstation, notebook computer, perhaps has the portable apparatus that expands link slot, and it comprises at least one first connector 21.Portable apparatus 10 electrically connects through first connector 21 of second connector 11 with host computer system 20, and first connector 21 and second connector 11 can be the hermaphrodite connector that USB interface A type (or B Type), IEEE 1394 interfaces or other AUI that is applied to external device are fitted to each other.When first connector 21 of portable apparatus 10 through second connector 11 and host computer system 20 is electrically connected at host computer system 20 when carrying out data transmission; Host computer system 20 first connectors 21 activate the reciprocating type detection terminal 12 of portable apparatus 10 with mechanically actuated mode; With other generation one control signal, this control signal then can have different effects according to the design requirement of portable apparatus.
As shown in Figure 2, it is second connector 11 of portable apparatus 10 and the synoptic diagram of reciprocating type detection terminal 12.As shown in the figure; Second connector 11 is explanation with a USB A Type public connector; It has a power supply terminal 111, a ground terminal 112, data terminal (comprising a D+ terminal 113 and a D-terminal 114), and its configuration then follows the USB standard to be provided with effect.12 of reciprocating type detection terminals are disposed at a side of second connector 11.Please in the lump with reference to figure 3, Fig. 3 is connected in the synoptic diagram of first connector 21 of host computer system 20 for portable apparatus 10 first embodiment.In present embodiment; Reciprocating type detection terminal 12 is that a reciprocating type elastic button is (in other embodiment; Reciprocating type detection terminal 12 also can be the circular shell of portable apparatus 10); Be installed on along the I direction when portable apparatus 10 on first connector 21 of host computer system 10; The power supply terminal 111 of portable apparatus 10, ground terminal 112, D+ terminal 113 and D-terminal 114 electrically connect with first connector, 21 corresponding splicing ears (figure is last to be shown) respectively, to set up the external line of portable apparatus 10 and host computer system 20.And the actuation ends 211 on first connector 21 (can be the part of the shell of a jag or host computer system 20 on first connector 21) contacts and activate reciprocating type detection terminal 12, and produce a control signal.
Please refer to Fig. 4, Fig. 4 is the block schematic diagram that portable apparatus 30 one the second embodiment are connected with a host computer system 40.Wherein portable apparatus 30 is except comprising one second connector, 31, one a reciprocating type detection terminal 32 and a controller 33; Optionally comprise in addition a power module 34, an audio-frequency module 35, a display module 36 and a storage element 37, the internal electric source (rechargeable battery or solar cell) or that power module 34 can be portable apparatus 30 provides the power module of power supply with external mode.Host computer system 40 optionally comprises an audio-frequency module 45 and a display module 46 in addition except comprising one first connector 41.Wherein first embodiment of the annexation of second connector 31, reciprocating type detection terminal 32 and first connector 41 and Fig. 1 is similar.
Please in the lump with reference to the portable apparatus 10 of figure 2 and the portable apparatus 30 of Fig. 4.In order to utilize portable apparatus 10,40 machine-processed with the data protection of setting up portable apparatus 10,40 with respect to the plug behavior of host computer system 20,40; Or utilizing portable apparatus 10,40 to carry out more diversified computer control and safety practice, reciprocating type detection terminal 12,32 extends second connector, 11,31 1 sides to be not less than a connector standard length along the I direction.For example after the hermaphrodite connector of USB connector connects; It is 2.67 millimeters that its USB master-slave seat combines the spacing minimum of back standard; Therefore reciprocating type detection terminal 12,32 extends a side of second connector 11,31 along the I direction; And its length L is not less than 2.67 millimeters (or preferably, being a bit larger tham 2.67 millimeters), and reciprocating type detection terminal 12,32 is the shuttle button that can be pushed; Therefore when second connector 11,31 when the I direction is installed on first connector 21,41, the actuation ends 211 of first connector 21,41 can contact and is promoted reciprocating type detection terminal 12,32 and makes reciprocating type detection terminal 12,32 generations one control signal.In the stage that portable apparatus 10,30 is inserted host computer system 20,40; Controller 13,33 can (for example be gone into signal (general purpose I/O with a general output when receiving this control signal; GPIO) mode is sent to controller 13,33) carry out a pre-set device instruction; For example can the power supply source of portable apparatus 10,30 be switched to host computer system 20,40 (power supply being provided via power supply terminal 111, a ground terminal 112) power supply by the power module 34 in the device, to save the electric power of portable apparatus 10,30 power modules 34.
Aforementioned is the wherein application of an embodiment of the present invention, and in other embodiment, reciprocating type detection terminal 12,32 also can be set at when stopping to activated end 211 promotions, produces this control signal.For example; When second connector 11,31 is desired when first connector 21,41 of main frame system 20,40 is extracted along the reverse direction of I direction; The actuation ends 211 of first connector 21,41 can stop to promote reciprocating type detection terminal 12,32 earlier, and (reciprocating type detection terminal 12,32 is shuttle button; Therefore can reply the state that is not pushed like Fig. 2); Because power supply terminal 111, ground terminal 112 and D+ terminal 113 and D-terminal 114 have long length (preferably at second connector 11,31 along the reciprocating type relatively detection terminal 12,32 of I direction; The range difference D of the end of reciprocating type detection terminal 12,32 ends and power supply terminal 111 and ground terminal 112 meets the minor increment of USB standard; That is the rarest 4.2 millimeters of D; And the range difference R of the end of reciprocating type detection terminal 12,32 ends and D+ terminal 113 and D-terminal 114 meets the minor increment of USB standard; That is the rarest 3.2 millimeters of R), reciprocating type detection terminal 12,32 produces these control signals up to portable apparatus 10,30 outages (promptly second connector 11,31 breaks away from first connector 21,41 fully) or stop data transmission (i.e. the online interruption of data terminal of first connector 21,41 and second connector 11,31) several milliseconds time is arranged before, and controller 13,33 can be when receiving this control signal at this moment; Carrying out a pre-set device instructs; For example the background executive routine of portable apparatus 10,30 is finished in (1), with the interrupt mode of standard stop portable apparatus 10,30 and host computer system 20, transmission, the processing of data between 40, so can avoid portable apparatus 10,30 to pull out the data damage that is caused suddenly; (2) the 34 pairs of portable apparatus of power module 10,30 that start portable apparatus 10,30 are supplied power, with portable apparatus 10, the 30 original ongoing work that continue; (3) main control system system 20,40 shuts down or carries out other specific notice or control; The technology that for example the present invention disclosed can be set to portable apparatus 10,30 the running checking tool of a host computer system 20,40; When portable apparatus 10,30 is connected in host computer system 20,40; Host computer system 20,40 just can normal operation; When portable apparatus 10,30 pulls away host computer system 20,40, then host computer system 20,40 shutdown automatically (for example host computer system 20,40 is given in portable apparatus 10,30 order that can transmit a forced shutdown); (4) also the audio- frequency module 35,45 of may command portable apparatus 10,30 or host computer system 20,40 send the sound or control portable apparatus 10,30 or host computer system 20,40 display module 36,46 shows signal to notify user's portable apparatus 10,30 to remove from main frame system 20,40.
In addition; As shown in Figure 5; The reciprocating type detection terminal 52 of portable apparatus 50 also can directly be arranged at the inside of second connector 51; When second connector 51 was incorporated into first connector 21, first connector, 21 ports promote reciprocating type detection terminal 52 as actuation ends 212 to be changed to produce signal, can reach aforesaid effect equally.And utilizing the mode of GPIO cabling directly to transmit signal, reciprocating type detection terminal 12,32 changes to controller 13,33, can be under the condition that does not need too much change device internal circuit, the present invention one is provided easy application result.
Please refer to Fig. 6, the process flow diagram of the method 100 of instructing with actuating unit when it is portable apparatus 30 insertion host computer systems 40 wherein mainly is made up of the following step:
Step 102: when portable apparatus 30 inserted host computer system 40, reciprocating type detection terminal 32 was promoted to produce this control signal by actuation ends 211,212; Step 104: portable apparatus 30 is switched to by host computer system 40 power supplies by power module 34 power supplies.
In other words, when portable apparatus 30 inserted host computer system 40, portable apparatus 30 with the electric power that the power module 34 of saving portable apparatus 30 consumes, can prolong the power source life of portable apparatus 30 when independent the use promptly by host computer system 40 power supplies.
Please refer to Fig. 7, it is portable apparatus 30 process flow diagram with the method 200 of actuating unit instruction when main frame system 40 extracts, and wherein mainly is made up of the following step:
Step 202: when portable apparatus 30 pulled away host computer system 40, reciprocating type detection terminal 32 stopped to receive actuation ends 211,212 to promote to produce this control signal.After the controller 33 of portable apparatus 30 receives the control signal of detection terminal 32 generations, then can carry out corresponding device order according to the different demands design.Step 203 for example: the background executive routine, the step 204 that finish portable apparatus 30: start 30 power supplies of 34 pairs of portable apparatus of power module, step 205: 40 shutdown of main control system system, step 206: the audio- frequency module 35,45 of control portable apparatus 30 or host computer system 40 sends the sound and step 207: display module 36,46 shows signal of control portable apparatus 10 or host computer system 40 etc.
The portable apparatus that the present invention disclosed; Be used in connector position one reciprocating type detection terminal (preferably being an elastic button) is set; When portable apparatus is inserted in a host computer system; Elastic button is pushed and produces the signal variation, makes the controller in the portable apparatus carry out a device instruction according to this.When portable apparatus when this host computer system is pulled out; Elastic button stops to be pushed the generation signal and is changed to before the complete Offhost of the portable apparatus system; The device that controller utilizes this time of several milliseconds to carry out and sets is in advance ordered, the power-off protection mechanism that makes portable apparatus have more diversified computer control and data transmission is provided.
The above is merely preferred embodiment of the present invention, and all equalizations of being done according to claim scope of the present invention change and modify, and all should belong to covering scope of the present invention.

Claims (25)

1. the portable apparatus with reciprocating type detection terminal is used for electrically connecting to carry out data transmission with this host computer system along first connector of first direction and host computer system, and this first connector has actuation ends, and this portable apparatus comprises:
Second connector cooperates with this first connector to make this portable apparatus be electrically connected at this host computer system;
Reciprocating type detection terminal is arranged at this second connector place, is used for receiving this actuation ends to activate to produce control signal; And
Controller, this reciprocating type detection terminal and this controller electrically connect, and this controller is when receiving this control signal of this reciprocating type detection terminal generation, and actuating unit instructs;
Wherein this portable apparatus is a universal serial bus USB device, and this first connector is the female seat of USB.
2. portable apparatus according to claim 1, wherein this actuation ends is a jag or the housing of this host computer system on this first connector.
3. portable apparatus according to claim 1, wherein this second connector includes power supply terminal and ground terminal, and this reciprocating type detection terminal and this power supply terminal and this ground terminal are not less than the distance of USB standard along the range difference of this first direction.
4. portable apparatus according to claim 3, wherein this reciprocating type detection terminal and this power supply terminal and this ground terminal are not less than 4.2 millimeters along the range difference of this first direction.
5. portable apparatus according to claim 1, wherein this second connector includes data terminal, and this reciprocating type detection terminal and this data terminal are not less than the distance of USB standard along the range difference of this first direction.
6. portable apparatus according to claim 5, wherein this reciprocating type detection terminal and this data terminal are not less than 3.2 millimeters along the range difference of this first direction.
7. portable apparatus according to claim 1, wherein this reciprocating type detection terminal is through promoted to produce this control signal by this actuation ends.
8. portable apparatus according to claim 7 also comprises power module, and this device instruction is for switching to this portable apparatus by this host computer system power supply by this power module power supply.
9. portable apparatus according to claim 1, wherein this reciprocating type detection terminal stops to promote this reciprocating type detection terminal to produce this control signal through this actuation ends.
10. portable apparatus according to claim 9, wherein the instruction of this device is one of following instruction: finish this portable apparatus the background executive routine, start this portable apparatus power supply of this portable apparatus one electric power source pair of module, control this host computer system shutdown, the audio-frequency module of controlling this portable apparatus or this host computer system sends the sound, control the display module shows signal of this portable apparatus or this host computer system.
11. portable apparatus according to claim 1, wherein this control signal is that signal is gone in general output.
12. portable apparatus according to claim 1, wherein this reciprocating type detection terminal circular shell that is button or this portable apparatus.
13. portable apparatus according to claim 1, wherein this reciprocating type detection terminal extends this second connector, one side and is no less than the distance of USB standard along the length of this first direction.
14. portable apparatus according to claim 13, wherein this reciprocating type detection terminal extends this second connector, one side and is no less than 2.67 millimeters along the length of this first direction.
15. portable apparatus according to claim 1, wherein this actuation ends is the housing of the female seat of this USB.
16. one kind is detected the plug of portable apparatus and host computer system and carries out the method for control command; Wherein portable apparatus can electrically connect along first connector of first direction and host computer system to carry out data transmission with this host computer system; This first connector has consistent moved end, and this method comprises the following step:
When second connector of this portable apparatus during along this first connector plug of this first direction and this host computer system, the reciprocating type detection terminal of this portable apparatus is activated to produce control signal by this actuation ends; And
The controller of this portable apparatus is when receiving this control signal of this reciprocating type detection terminal generation, and actuating unit instructs;
Wherein this portable apparatus is a universal serial bus USB device, and this first connector is the female seat of USB.
17. method according to claim 16, wherein this reciprocating type detection terminal receives this actuation ends actuating to produce control signal to be: this reciprocating type detection terminal promotes to produce this control signal through receiving this actuation ends.
18. method according to claim 17; Wherein the controller of this portable apparatus is when receiving this control signal of this reciprocating type detection terminal generation, and the actuating unit instruction comprises step: this portable apparatus is switched to by this host computer system power supply by the power module power supply.
19. method according to claim 16, wherein this reciprocating type detection terminal receives this actuation ends actuating to produce control signal to be: this reciprocating type detection terminal stops to promote this reciprocating type detection terminal to produce this control signal through this actuation ends.
20. method according to claim 19, wherein the controller of this portable apparatus is when receiving this control signal of this reciprocating type detection terminal generation, and the actuating unit instruction comprises step: the background executive routine that finishes this portable apparatus.
21. method according to claim 19; Wherein the controller of this portable apparatus is when receiving this control signal of this reciprocating type detection terminal generation, and the actuating unit instruction comprises step: start this portable apparatus power supply of this portable apparatus one electric power source pair of module.
22. method according to claim 19, wherein the controller of this portable apparatus is when receiving this control signal of this reciprocating type detection terminal generation, and the actuating unit instruction comprises step: control this host computer system shutdown.
23. method according to claim 19; Wherein the controller of this portable apparatus is when receiving this control signal of this reciprocating type detection terminal generation, and the actuating unit instruction comprises step: the audio-frequency module of controlling this portable apparatus or this host computer system sends the sound.
24. method according to claim 19; Wherein the controller of this portable apparatus is when receiving this control signal of this reciprocating type detection terminal generation, and the actuating unit instruction comprises step: the display module shows signal of controlling this portable apparatus or this host computer system.
25. method according to claim 16, wherein this reciprocating type detection terminal is activated to produce this control signal by the housing of the female seat of this USB.
CN2009102093940A 2009-11-06 2009-11-06 Portable device with reciprocating type detection terminal and detection and control method thereof Expired - Fee Related CN102053941B (en)

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Families Citing this family (3)

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Publication number Priority date Publication date Assignee Title
CN104077193B (en) * 2013-03-25 2018-08-31 联想(北京)有限公司 A kind of control method and a kind of electronic equipment
CN104103970B (en) * 2013-04-03 2018-01-23 施耐德电气It公司 A kind of break-make road control method of electric connector and circuit
CN107861839A (en) * 2017-10-18 2018-03-30 深圳市汉普电子技术开发有限公司 USB hot plug data anti-loss method, equipment and storage medium

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5691898A (en) * 1995-09-27 1997-11-25 Immersion Human Interface Corp. Safe and low cost computer peripherals with force feedback for consumer applications
CN101241479A (en) * 2007-02-09 2008-08-13 安国国际科技股份有限公司 Universal sequence bus unit capable of matching with express card adapter

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5691898A (en) * 1995-09-27 1997-11-25 Immersion Human Interface Corp. Safe and low cost computer peripherals with force feedback for consumer applications
CN101241479A (en) * 2007-02-09 2008-08-13 安国国际科技股份有限公司 Universal sequence bus unit capable of matching with express card adapter

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