CN1230839A - Mounting structure for electronic apparatus - Google Patents
Mounting structure for electronic apparatus Download PDFInfo
- Publication number
- CN1230839A CN1230839A CN 99100768 CN99100768A CN1230839A CN 1230839 A CN1230839 A CN 1230839A CN 99100768 CN99100768 CN 99100768 CN 99100768 A CN99100768 A CN 99100768A CN 1230839 A CN1230839 A CN 1230839A
- Authority
- CN
- China
- Prior art keywords
- key
- bracket portion
- display
- transmitter
- receiver
- 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
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
- H04M1/0277—Details of the structure or mounting of specific components for a printed circuit board assembly
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/702—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2209/00—Layers
- H01H2209/068—Properties of the membrane
- H01H2209/082—Properties of the membrane transparent
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2219/00—Legends
- H01H2219/054—Optical elements
- H01H2219/062—Light conductor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2231/00—Applications
- H01H2231/022—Telephone handset
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2239/00—Miscellaneous
- H01H2239/02—Other elements in moving part
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Telephone Set Structure (AREA)
- Push-Button Switches (AREA)
Abstract
A mounting structure for an electronic apparatus includes a single holder including a key sheet portion to be mounted on a circuit board and a plurality of holder portions, each for holding a particular electronic part. The mounting structure reduces the number of parts to be mounted to the circuit board and thereby enhances efficient assembly.
Description
The present invention relates to the mounting structure of mobile phone or like.
For example, mobile phone comprises a receiver that is installed on the circuit board, a display, a transmitter and other various electronic units.In most cases, such parts are placed on separately the carriage and are installed on the circuit board with carriage then.Fixed contact is arranged on circuit board top.Generally will comprise with fixed contact one to one a key film of armature contact be installed in circuit board top.Each armature contact can contact or a fixed contact close with disengaging, and working as key switch is used for setting up selectively or interrupting being electrically connected.
The problem of above-mentioned conventional structure is each parts of various electronic units to be placed on separately the carriage, and these carriages are installed on the circuit board one by one then.This assembling expends time in and manpower, because mobile phone comprises a large amount of parts, its armature contact must accurately be aimed at fixed contact when also being installed to circuit board because of the key film.
Technology related to the present invention is disclosed by Japanese patent gazette 4-235443 number.
Thereby the purpose of this invention is to provide a kind of can reducing carriage quantity and improving the mounting structure of packaging efficiency of electronic unit that be used for.
According to the present invention, a plurality of electronic units of forming an electronic installation by carriage separately are installed in a structure on the circuit board, comprise a plurality of fixed contacts that are arranged on the circuit board.Key film is installed on the circuit board and comprises armature contact, the corresponding fixed contact that each armature contact can contact respectively or break away from.A carriage comprises key membrane portions that constitutes the key film and a plurality of bracket portions that constitute certain carriers.
From the detailed description of following accompanying drawing, can make above-mentioned purpose, feature and advantage of the present invention clearer with other.
Fig. 1 is an exploded view, represents to realize mounting structure of the present invention and is used for mobile phone with example.
Fig. 2 is a cross section along X-X line among Fig. 1.
Fig. 3 is the perspective view of the circuit board among Fig. 1 and 2.
Fig. 4 is a perspective view, the mobile phone of expression assembling.
Fig. 5 is a cross section along Y-Y line among Fig. 4.
With reference to the Fig. 1 in the accompanying drawing, shown the mounting structure of realizing electronic installation of the present invention and be used for mobile phone with example.As shown in the figure, mobile phone 100 generally comprises a circuit board 2.Receiver or loud speaker 3, display 4 and transmitter or pick-up 5 are electrically connected by a carriage 1 and circuit board 2.This receiver 3, display 4 and transmitter 5 are included in the electronic unit in the mobile phone 100.
This carriage 1 usefulness elasticity and light transmissive material is made and be made up of a key membrane portions 1A, the first bracket portion 1B, second a bracket portion 1C and one the 3rd bracket portion 1D.Keycap 11a divides three parallel arrays to be arranged in the key membrane portions 1A along the length direction of circuit board 2.
As shown in Figure 2, each keycap 11a in the bottom or the back side have a protruding 11b and an armature contact 11c be housed on protruding 11b.Keycap 11a opens downwards, forms a skirt section 11d.A light guide plate 22 that will specify later on is installed in the top of circuit board 2.Key membrane portions 1A is positioned at light guide plate 22 tops.Fixed contact 21 is positioned on the circuit board 2.Be formed with a hole 22a on light guide plate 22, armature contact 11c can contact with fixed contact 21 by hole 22a when pressing keycap 11a with convenient operator.When the operator discharges keycap 11a, because the elastic return of skirt section 11d is to the home position.On this meaning, the armature contact 11c on the keycap 11a cooperates key switch of formation with fixed contact 21.
Still with reference to Fig. 1, the first bracket portion 1B comprises one first dimple 13a and two first opening 13b that form in first dimple 13a bottom.Dimple 13a holds the lower part of the receiver 3 of oblate cylindricality.Article two, the first lead 3a is stretched out downwards by the bottom of receiver 3 and is connected with circuit board 2 by two opening 13b respectively.
The second bracket portion 1C comprises one second dimple 14a, is used for holding the flat-panel monitor 4 with elongated shape of seeing as vertical view.One second opening 14b is arranged on the bottom of the second dimple 14a.One second lead 4a is stretched out downwards by one of two of display 4 relative long limits and passes through opening 14b and is connected with circuit board 2.Display 4 is realized with a LCD (LCD) usually.
The 3rd carriage 1D comprises being used for holding and is slightly less than the 3rd dimple 15a that receiver 3 has columniform flat transmitter 5 lower parts.Be provided with two the 3rd opening 15b in the bottom of dimple 15a.Article two, privates 5a is stretched out downwards by the bottom of transmitter 5 and is connected with circuit board 2 by two opening 15b respectively.
The first bracket portion 1B, the second bracket portion 1C, key membrane portions 1A and the 3rd bracket portion 1D with said structure are by the length direction linear array of this order along circuit board 1.
As shown in Figure 3, circuit board 2 has arrangement first fixed contact 23, second fixed contact 24 and the 3rd fixed contact 25 at an upper portion thereof.First fixed contact 23 is electrically connected with the first lead 3a of receiver 3.Second fixed contact 24 is electrically connected with the second lead 4a of display 4.The 3rd fixed contact 25 is electrically connected with the privates 5a of transmitter 5.
Fixed contact 21 (also seeing Fig. 2) is arranged in circuit board 2 tops correspondingly with the armature contact 11c (also seeing Fig. 2) of key membrane portions 1A.As previously mentioned, when pressing downwards, each armature contact 11c is electrically connected with circuit board 2 by fixed contact 21 separately.
Above-mentioned plane light guide plate 22 is elongated shown in vertical view, and is installed in the top of circuit board 2.The back side of light guide plate 22 extend through displays 4 and key membrane portions 1A.Light guide plate 22 is provided with opening 22a, and one of them is shown in Fig. 2, as previously mentioned, can make armature contact 11c and relevant fixed contact 21 contacts.
Strip first a light source 24a is positioned at the top of light guide plate 22, is used for illuminating the display part 4b (see figure 1) that is included in the display 4.The first light source 24a extends along another long limit of the display 4 relative with the second lead 4a.It is neighbouring to illuminate relevant keycap 11a that each light source among the secondary light source 21a is positioned in one of keycap 11a.The light that is sent by the first light source 24a is drawn towards display part 4b by light guide plate 22 with the second bracket portion 1C that holds display 4.Be drawn towards relevant keycap 11a by light guide plate 22 with key membrane portions 1A by the light that any one light source sent among the secondary light source 21a.
According to the following step assembling mobile phone 100.At first, as shown in Figure 1, carriage 1 is placed on the circuit board shown in Figure 32.This moment, carriage 1 location is so that be positioned on the fixed contact 21 the armature contact 11c on the keycap 11a respectively, and make the first opening 13b, the second opening 14b and the 3rd opening 15b aim at first fixed contact 23, second fixed contact 2 and the 3rd fixed contact 25 respectively.
Subsequently, the privates 5a of second lead 4a of the first lead 3a of receiver 3, display 4 and transmitter 5 inserts the first opening 13b, the second opening 14b and the 3rd opening 15b respectively.Then, lead 3a, 4a and 5a are electrically connected with relevant fixed contact 23,24 and 25 respectively.
After above-mentioned being electrically connected, receiver 3, display 4 and transmitter 5 are set at respectively in the first bracket portion 1B, the second bracket portion 1C and the 3rd bracket portion 1D.Fig. 4 represents the mobile phone 100 of final assembling.
Also referring to Fig. 2, when the user of mobile phone 100 presses any one keycap 11a downwards, the armature contact 11c that is positioned on the keycap 11a projection 11b is contacted with fixed contact under being positioned at armature contact 11c.When the user of mobile phone 100 discharges above-mentioned keycap 11a,, discharged armature contact 11c from fixed contact 21 because the elasticity of skirt section 11d makes keycap 11a get back to original position.
How following narration illuminates display 4 and keycap 11a.As shown in Figure 5, when the first light source 24a on being installed in circuit board 2 was luminous, light passed the display part 4b that light guide plate 22 and the second carriage 1C propagate into display 4.Because light passes display part 4b transmission, display part 4b presents bright.During any one light source luminescent among the secondary light source 21a on also being installed in circuit board 2, light propagates into relevant keycap 11a by light guide plate 22 with key membrane portions 1A, illuminates keycap 11a.
As previously mentioned, in the embodiment of explanation, key membrane portions 1A will be installed on the substrate and first to the 3rd bracket portion 1B-1D that holds receiver 3, display 4 and transmitter 5 can be used as single bracket 1 and realizes.This can significantly reduce the number of components and thereby the raising packaging efficiency of mobile phone 100.
In the above-described embodiments, carriage 1 is made by homogenous material, i.e. a kind of elastomeric material of printing opacity.Under the another way,, 1A to 1D realizes that every part of 1A to 1D can be made by a kind of certain material as long as partly can be used as single mold pressing.For example, key membrane portions 1A can make keycap 11a press and to restore and can pass through light guide plate 22 from the light of secondary light source 21a to arrive corresponding keycap 11a with enough flexible made is arranged.The first and the 3rd bracket portion 1B and 1D also can use the acoustic characteristic matched materials manufacturing respectively with receiver 3 and transmitter 5, thereby strengthen voice quality.Further, the second bracket portion 1C can use the light transmissive material manufacturing, can be with the display part 4b from the light guided display 4 of the first light source 24a.
From the viewpoint of high efficiency assembling, wish that the carriage 2 of above-mentioned part 1A to 1D formation is made for integral die and made by different materials.In addition, each part of 1A to 1D can be made of a kind of specific optimal material that being complementary with required function.Certainly, the each several part of 1A to 1D can independently be made of the material that differing from one another, then integral die and make carriage 2.
Though illustrated embodiment focuses on a mobile phone, the present invention is applicable to various forms of electronic installations too, comprises circuit board with a plurality of fixed contacts, is installed on the circuit board and has the key film of the armature contact that contacts with fixed contact and break away from and be installed in a plurality of electronic units on the circuit board by carriage.
In a word, according to the present invention, a mounting structure that is used for electronic installation comprises single bracket, has one and is installed in the key membrane portions on the circuit board and the bracket portion of a plurality of support electronic components.The number of components that this structure thereby can reduce is installed on the circuit board and improve the packaging efficiency of device.
After having accepted instruction disclosed in this invention, various to those skilled in the art modifications all are possible and do not depart from the scope of the present invention.
Claims (15)
1, a kind of structure that a plurality of electronic units of constituting electronic installation carriage by separately can be installed on the circuit board comprises:
Be arranged in a plurality of fixed contacts on the circuit board; Be installed on the circuit board and comprise a key film of a plurality of armature contacts, each armature contact can contact with a described fixed contact separately and break away from; Comprise a carriage of the key membrane portions that constitutes described key film and a plurality of bracket portions of a certain carriers of each formation.
2, according to the structure of claim 1, wherein said key membrane portions and described a plurality of bracket portion are arranged to form with the plane.
3, according to the structure of claim 1, each part of wherein said a plurality of bracket portions comprises that is held the dimple of electronic unit separately.
4, according to the structure of claim 1, one of them electronic unit comprises a receiver or a transmitter, and one of a plurality of described bracket portions that wherein are used for holding described transmitter or described receiver are made with a kind of material that strengthens the acoustic characteristic of described transmitter or described receiver.
5, according to the structure of claim 4, wherein electronic unit comprises a mobile phone, wherein electronic unit comprises at least one receiver, a display and a transmitter, wherein said key membrane portions comprises numerical key, a calling start key, an off-hook key and an on-hook key, and another the described bracket portion that wherein is used for a described bracket portion of described receiver, another the described bracket portion that is used for described display, a described key membrane portions and is used for described transmitter is by this order linear array.
6, according to the structure of claim 1, one of them electronic unit comprises a display, and a described bracket portion that wherein is used for holding described display is made with light transmissive material.
7, according to the structure of claim 6, wherein this electronic unit comprises a mobile phone, wherein this electronic unit comprises at least one receiver, a display and a transmitter, wherein said key membrane portions comprises numerical key, a calling start key, an off-hook key and an on-hook key, and another the described bracket portion that wherein is used for a described bracket portion of described receiver, another the described bracket portion that is used for described display, a described key membrane portions and is used for described transmitter is by this order linear array.
8, according to the structure of claim 1, wherein said key membrane portions is made with elastomeric material.
9, structure according to Claim 8, wherein said elastomeric material is a printing opacity.
10, according to the structure of claim 9, wherein this electronic unit comprises a mobile phone, wherein this electronic unit comprises at least one receiver, a display and a transmitter, wherein said key membrane portions comprises numerical key, a calling start key, an off-hook key, an on-hook key, and another the described bracket portion that wherein is used for a described bracket portion of described receiver, another the described bracket portion that is used for described display, a described key membrane portions and is used for described transmitter is by this order linear array.
11, according to the structure of claim 9, wherein said bracket portion is made with printing opacity and flexible homogenous material, and described structure further comprises by the described bracket portion that is used for display and illuminates one first light source of display and illuminate the secondary light source of described key membrane portions.
12, according to the structure of claim 11, wherein said first light source and secondary light source are positioned between circuit board and the described carriage.
13, structure according to Claim 8, wherein this electronic unit comprises a mobile phone, wherein this electronic unit comprises at least one receiver, a display and a transmitter, wherein said key membrane portions comprises numerical key, a calling start key, an off-hook key, an on-hook key, and another the described bracket portion that wherein is used for a described bracket portion of described receiver, another the described bracket portion that is used for described display, a described key membrane portions and is used for described transmitter is by this order linear array.
14, according to the structure of claim 1, wherein said carriage is made with homogenous material.
15, according to the structure of claim 1, wherein said carriage is made with multiple material.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP41428/98 | 1998-02-06 | ||
| JP10041428A JP3134989B2 (en) | 1998-02-06 | 1998-02-06 | Electronic device mounting structure |
| JP41428/1998 | 1998-02-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1230839A true CN1230839A (en) | 1999-10-06 |
| CN1179532C CN1179532C (en) | 2004-12-08 |
Family
ID=12608105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB991007689A Expired - Fee Related CN1179532C (en) | 1998-02-06 | 1999-02-06 | Mounting structure for electronic apparatus |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP3134989B2 (en) |
| CN (1) | CN1179532C (en) |
| AU (1) | AU745794B2 (en) |
| GB (1) | GB2337857B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000074353A1 (en) * | 1999-06-02 | 2000-12-07 | Telefonaktiebolaget Lm Ericsson (Publ) | Keypad-integrated lcd carrier for mobile telephones |
| JP2001308560A (en) * | 2000-04-27 | 2001-11-02 | Mitsubishi Electric Corp | Holder and cellular phone therewith |
| JP2005069960A (en) * | 2003-08-27 | 2005-03-17 | Matsushita Electric Ind Co Ltd | Electronic type dosemeter |
| JP4305212B2 (en) * | 2004-02-18 | 2009-07-29 | 日本電気株式会社 | Mobile phone and manufacturing method thereof |
| JP5287504B2 (en) * | 2009-05-27 | 2013-09-11 | パナソニック株式会社 | Remote control transmitter |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3798639A (en) * | 1973-01-03 | 1974-03-19 | Epoch Co Ltd | Encoding switch for educational device |
| GB8402974D0 (en) * | 1984-02-03 | 1984-03-07 | Npm Int | Switches and keyboards |
| US5386084A (en) * | 1993-07-22 | 1995-01-31 | Ii Morrow Inc. | Electronic device enclosure |
-
1998
- 1998-02-06 JP JP10041428A patent/JP3134989B2/en not_active Expired - Fee Related
-
1999
- 1999-02-04 GB GB9902526A patent/GB2337857B/en not_active Expired - Fee Related
- 1999-02-05 AU AU15483/99A patent/AU745794B2/en not_active Ceased
- 1999-02-06 CN CNB991007689A patent/CN1179532C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| GB2337857A (en) | 1999-12-01 |
| JP3134989B2 (en) | 2001-02-13 |
| AU1548399A (en) | 1999-08-26 |
| GB9902526D0 (en) | 1999-03-24 |
| AU745794B2 (en) | 2002-03-28 |
| GB2337857B (en) | 2002-02-20 |
| CN1179532C (en) | 2004-12-08 |
| JPH11225192A (en) | 1999-08-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20041208 Termination date: 20110206 |